manual panouri solare uvr61_v2_5_engl
TRANSCRIPT
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single and triple-loop universal controller
The UVR61-3 unit has various functions for use in solar power systems and heating systems:thermostat, differential temperature, and speed control. The desired control function is the result ofthe program number that is input.
Overview of functions:
6 sensor inputs
1 output, speed controlled 2 other outputs optional (with additional relay module)
1 analogue output 0-10 volts
Each with 3 functions for differential, minimum and maximum
Tank and corrosion protection (potentiostat) integrated
Heat counter integrated
Freely programmable timer
Easy-to-read display with various icons
Time, date
Data line (to analyse the temperature with a PC via D-LOGGUSB or BL-USB)
System function control
Solar start function, collector temperature delimiter, frost protection
Overvoltage protection on all inputs
Technische Alternativeelektronische Steuerungsgertegesellschaft mbH.A-3872 Amaliendorf, Langestr. 124, Fax 02862 53635/7
UVR61-3Vers. 2.5
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This instruction manual is also available in English at www.ta.co.at
Diese Anleitung ist im Internet auch in anderen Sprachen unter www.ta.co.atverfgbar.
Ce manuel dinstructions est disponible en langue franaise sur le site Internetwww.ta.co.at
Questo manuale distruzioni disponibile in italiano sul sito Internetwww.ta.co.at
Estas instrucciones de funcionamiento estn disponibles en espaol, en
Internet www.ta.co.at.
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Table of contents
Generally applicable rules, Stagnation 6Hydraulic diagrams 7
0 Simple solar power system 816 Tank load by boiler 9
32 Burner requirement via two tank sensors 1048 Solar power system with 2 consumers 1164 Solar power system with 2 collector panels 1280 Single solar power system and tank load via boiler 1396 Buffer and tank load via boiler fired with solid fuel 15112 2 independent differential circuits 16128 Burner requirement and solar power system (or feed pump) 17144 Solar power system with layered storage 18160 Inserting two boilers into the heating system 19176 Solar power system with 2 consumers and feed pump function 20192 Solar power system with 2 consumers and feed pump (heating boiler) 21208 Solar power system with 2 consumers and burner requirement 23224 Solar power system with 3 consumers 24240 Solar power system with 2 collector panels and 2 consumers 26256 Solar power system with 2 collector panels (1 pump, 2 stop valves) 28272 Solar power system with 2 collector panels and feed pump function 29288 Solar power system with 2 collector panels and burner requirement 30304 Solar power system with 2 coll. panels and feed pump (heating boiler) 31320 Layered storage tank and 1 independent feed pump 32336 Layered storage tank and feed pump (heating boiler) 33352 Layered storage tank and burner requirement 34
368 Layered storage tank and feed pump function 36384 Layered storage tank with bypass function 37400 Solar power system with 1 consumer and 2 feed pump functions 38416 1 consumer, 2 feed pump functions, and burner requirement 39432 Solar power system, burner requirement, and 1 feed pump function 41448 Burner requirement and 2 feed pump functions 43464 Solar power system with 2 consumers and bypass function 45480 2 consumers and 3 feed pump functions 47496 1 consumers and 3 feed pump functions 48512 3 consumers and 3 feed pumps (3 independent differential loops) 49528 2 independent differential loops and independent burner requirement 50
544 Cascade: S1 S2 S3 S4 51560 Cascade: S1 S2, S3 S4 S5 52576 Cascade: S4 S1 S2 + burner requirement 53592 2 generators on 2 consumers + independent differential loop 54608 2 generators on 2 consumers + burner requirement 55624 Solar power system with one consumer and a swimming pool 57640 Preparation of hot water including circulation and solar power system 58656 Preparation of hot water including circulation and burner requirement 59
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Installation instructions 61Installing the sensor(s) 61Installing the unit - Electrical connection 63Special connections (inputs and outputs) 64
Operation 65The main level 66
Changing a value (parameter) 68
The parameter menu Par 69Brief description 70Code CODE, Version VER, Program PR, Linking of outputs LO 71Priority assignment PA 72Thresholds and differential values max, min, diff 72Example with program 0 73Time 74Date DATE 74Time window TIME W 75Automatic / manual mode of outputs O AUTO 76
The menu Men 77Brief description 78Language ENGL 79Code CODE 79Sensor menu SENSOR 79
Sensor settings 80Sensor type, Creating a mean (average)AV, 81Assigning iconsAIC 82
System protection function SYS PF 83Collector excess temperature CET 84Frost protection function FROST 85
Start function STARTF 86Priority PRIOR 88After-running timeART 90Pump speed control PSC 91
Absolute value control 93Differential control 94Event control 95Waveform 96Stability problems 97Pump standstill, Control commands 98
Analogue output 0-10V 99
Function check F CHECK 100Heat quantity counterHQC 102Potentiostat P STAT 105
Status display Stat 106Troubleshooting 108Table of settings 109Maintenance, Safety requirements, Certificate of warranty 112Free for notices ex 113
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Generally applicable rulesfor the proper use of this unit:
The manufacturers warranty does not cover any indirect damage to the unit if themechanic installing the unit does not equip it with any additional electromagnetic devices(thermostat, possibly in combination with a one-way valve) to protect the unit from damagefrom malfunction under the following conditions:
u Swimming pool system: If used with a high-performance collector and heat-sensitivecomponents (such as plastic lines), the supply line must have a excess temperaturethermostat with all of the necessary self-closing valves (closed when current less). Thecontrollers pump output can provide this as well. Hence, all heat-sensitive parts would beprotected from overheating if the system were not running, even if steam were created inthe unit due to stagnation. This technique is mandatory, especially in systems with heatexchangers, as a failure of the secondary pump might cause great damage to the plastictubes.
u Conventional solar power systems with an external heat exchanger: in such systems, thesecondary heat transfer medium is usually pure water. If the pump runs at temperaturesbelow freezing because the controller fails, the heat exchanger and other components maybe damaged due to freezing. In this case, a thermostat must be installed on the supply lineof the secondary side after the heat exchanger to stop the primary pump automaticallywhen the temperature falls below 5C, regardless of the output of the controller.
uWhen used for floor and wall heaters: here, a safety thermostat must be used just aswith conventional heater controllers. It has to switch off the heating loop pump if there isoverheating regardless of the output from the controller to prevent indirect damage fromexcess temperatures.
Solar power systems - tips on system standstill (stagnation):
Generally, stagnation is not a problem and cannot be ruled out if there is a power outage,for instance. In the summer, the controllers storage limit may switch off the systemrepeatedly. Every system must thus be intrinsically safe. If the expansion container isproperly designed, this is ensured. Tests have shown that the heat transfer medium(antifreeze) is under less stress during stagnation than when it is just below the steamphase.
All of the data sheets of the collector manufacturers list standstill temperatures above200C. However, these temperatures generally only occur during operation with dry steam,
i.e. when the heat exchange medium has completely turned to steam in the collector or thecollector has been completely emptied due to steam. The damp steam then dries quicklyand is no longer able to conduct heat. Hence, it can be assumed that these hightemperature cannot occur at the measuring point of the collector sensor (when installed inthe collector tube as usual) as the remaining thermal line would cool down the temperaturevia the metal connections between the absorber and the sensor.
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Hydraulic diagrams
Additional functions:
w The following functions can also be used for every program diagram:
Pump after-running time
Pump speed control
0 10V output
System function control
Heat counter
Potentiostat
w The following functions only make sense when program diagrams are used with solarpower systems:
Collector excess temperature delimiter
Frost protection function
Start function
Solar priority
w For diagrams that do not need the outputs A2 and/orA3 for technical purposes:
They can be set to always on with complimentary programs. Time windows can be set sothat A2 and/orA3 are used as separate timer outputs. The following information indicatesthis possibility:
The output A3 is available as a timer output (without time window always ON).
w In diagrams with a holding circuit (= burner requirement with a sensor, shut-down functionwith another one), the shut-down transducer is dominant. In other words, if improper
parameters or sensor installation leads to the fulfilment of both the shut-on and shut-offconditions, the shut-off condition has priority.
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Single solar power system - program 0 = factory settings
Program 0: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1
All programs +1:
In addition, ifS3 exceeds the threshold max2,pump A1 is switched off.
All programs +2: (only with relay module)
The output A2 is available as a timer output (without time window always ON).
All programs +4: (only with relay module)
The output A3 is available as a timer output (without time window always ON).
S1
S2A1
S3
S1min1
S2max1
diff1A1
Required settings :
diff1 coll. S1 TK S2 A1min1 switch-on temp.burner . S1 A1max1 limit TK S2 A1max2 see all programs +1
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Loading the tank from the boiler - program 16
Program 16: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1
All programs +1:
In addition, ifS3 exceeds the threshold max2,pump A1 is switched off.
All programs +2: (only with relay module)
The output A2 is available as a timer output (without time window always ON).
All programs +4: (only with relay module)
The output A3 is available as a timer output (without time window always ON).
A1 S2S1
S3
S1min1
S2max1
diff1A1
requred settings :
diff1 burnerS1 TK S2 A1min1 switch-on temp.burnerS1 A1max1 limit TK S2 A1
max2 see all programs +1
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Burner requirement via two tank sensors - program 32
Program 32: Output A1 switches on when S2 falls below threshold min1.
Output A1 switches off (dominant) when S1 exceeds max1.
A1 (on) = S2 < min1 A1 (off) = S1 > max1
All programs +1:The burner requirement (A1) only occurs via sensorS2.
Output A1 switches on when S2 falls below threshold min1.
Output A1 switches off (dominant) when S2 exceeds max1. A1 (on) = S2 < min1 A1 (off) = S2 > max1
All programs +2: (only with relay module)
The output A2 is available as a timer output (without time window always ON).
All programs +4: (only with relay module)
The output A3 is available as a timer output (without time window always ON).
required settings:
min1 burner req. on TK S2 A1max1 burner req. off TK S1 A1
burnerA1
S2 min1S1 max1
S2
A1 S1
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Solar power system with 2 consumers - program 48
Program 48: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
Pump A2 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S3 by the difference diff2w and S3 has not exceeded the threshold max2.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1A2 = S1 > (S3 + diff2) & S1 > min1 & S3 < max2
All programs +1:Instead of the two pumps, one pump and a three-way valve are used (pump-valve system).The speed control (if activated) only affects loop 1.
A1 ... common pump A2 ... valve (A2/S has power when loading tank TK2)
All programs +2:
In addition, ifS4 exceeds the threshold max3,pump A1 is switched off.
All programs +4:
The output A3 is available as a timer output (without time window always ON).
All programs +8: Both solar loops have separate switch-on thresholds at S1:
output A1 retains min1, and A2 switches at min2.
The priorities forTK1 and TK2 can be set in the parameter menu underPA. In addition, a
solar priority function can be set for this diagram in the menu PRIOR (see solar priorities onpage 88 for more details).
TK2 TK1
A1A2S2S3
S1
S4
S1min1
S2 S3max1 max2
diff2
A2diff1
A1
required settings:
diff1 coll. S1 TK1 S2 A1diff2 coll. S1 TK2 S3 A2min1 switch-on temp. coll. S1 A1, A2
min2 see all programs +8max1 limit TK1 S2 A1max2 limit TK2 S3 A2max3 see all programs +2
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Solar power system with 2 collector panels - program 64
Program 64: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S3 by the difference diff1
w and S3 has not exceeded the threshold max1.
Pump A2 runs when:
wS2 is greater than the threshold min2w and S2 is greater than S3 by the difference diff1
w and S3 has not exceeded the threshold max1.
A1 = S1> (S3 + diff1) & S1 > min1 & S3 < max1A2 = S2> (S3 + diff1) & S2 > min2 & S3 < max1
All programs +1:
If the difference between collector sensors S1 and S2 exceeds the difference diff3, thecolder collector is switched off. This prevents heat from being lost in the colder collector
when temperatures are mixed.
All programs +2:
In addition, ifS4 exceeds the threshold max2,pumps A1 and A2 are switched off.
All programs +4:
The output A3 is available as a timer output (without time window always ON).
S1 S2min1 min2
S3
max1
diff1A2
diff1A1
required settings:
diff1 coll.1 S1 TK S3 A1 coll.2 S2 TK S3 A2
diff3 see all programs +1min1 switch-on temp. coll.1 S1 A1min2 switch-on temp. coll.2 S2 A2max1 limit TK S3 A1, A2max2 see all programs +2
A1 A2
S1 S2
S3
S4
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Single solar power system and tank load from boiler - program 80
Program 80: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
The feed pump A2 runs when:
wS3 is greater than the threshold min2w and S3 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max2.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1A2 = S3 > (S4 + diff2) & S3 > min2 & S4 < max2
S1 S3min1 min2
S2 S4
max1 max2
diff2A2diff1A1
required settings:
diff1 coll. S1 TK S2 A1diff2 boilerS3 TK S4 A2
min1 switch-on temp. coll. S1 A1min2 switch-on temp. boilerS3 A2max1 limit TK S2 A1max2 limit TK S4 A2max3 see all programs +4
S1
S2S3 S4
A1A2
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Program 81 (all programs +1):
Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
The feed pump A2 runs when:wS3 is greater than the threshold min2w and S3 is greater than S2 by the difference diff2
w and S2 has not exceeded the threshold max2.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1A2 = S3 > (S2 + diff2) & S3 > min2 & S2 < max2
All programs +2:
If sensor S2 has reached max1 (or if S4 has reached threshold max3 along with allprograms +4), pump A2 is switched on, and pump A1 keeps running. This provides acooling function for the boiler / heater without causing standstill temperatures in the
collector.
All programs +4:
In addition, ifS4 exceeds the threshold max3,pump A1 is switched off.
All programs +8:
The output A3 is available as a timer output (without time window always ON).
S1 S3min1 min2
S2max1max2
diff2
A2diff1
A1
required settings:
diff1 coll. S1 TK S2 A1diff2 boilerS3 TK S2 A2min1 switch-on temp. coll. S1 A1
min2 switch-on temp. boilerS3 A2max1 limit TK S2 A1max2 limit TK S2 A2max3 see all programs +4
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Buffer and space-heating tank load via boiler fired with solid fuel - program 96
Program 96: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
Feed pump A2 runs when:
wS3 is greater than the threshold min2w and S3 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max2.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1A2 = S3 > (S4 + diff2) & S3 > min2 & S4 < max2
All programs +1:
In additional, space-heating tank load pump A2 also switches on via the heater boiler
temperature S1.
Pump A2 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S4 by the difference diff3
w and S4 has not exceeded the threshold max2
w orS3 is greater than threshold min2w and S3 is greater than S4 by the difference diff
w and S4 has not exceeded max2.
A2 = (S1 > (S4 + diff3) & S1 > min1 & S4 < max2)or S3 > (S4 + diff2) & S3 > min2 & S4 < max2
All programs +2:The output A3 is available as a timer output (without time window always ON).
S1 S3min1 min2
S2 S4
max1 max2
diff2
A2
diff1
A1
required settings:
diff1 boilerS1 TK1 S2 A1
diff2 TK1 S3 TK2 S4 A2diff3 see all programs +1min1 switch-on temp. boilerS1 A1min2 switch-on temp TK1. S3 A2max1 limit TK1 S2 A1max2 limit TK2 S4 A2
A1 A2
S1S2
S3
S4
TK2TK1
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Two independent differential loops - program 112
Program 112: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
Feed pump A2 runs when:
wS3 is greater than the threshold min2w and S3 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max2.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1A2 = S3 > (S4 + diff2) & S3 > min2 & S4 < max2
All programs +1:
Output A3 is available as a timer output (without time window always ON).
S3
S4A2
S1
S2A1
TK1 TK2
S1 S3min1 min2
S2 S4max1 max2
diff2A2
diff1A1
required settings:
diff1 coll. S1 TK1 S2 A1diff2 coll. S3 TK2 S4 A2min1 switch-on temp. coll.1 S1 A1min2 switch-on temp. coll.2 S3 A2max1 limit TK1 S2 A1max2 limit TK2 S4 A2max3 see all programs +4
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Burner requirement and solar power system (or feed pump) - program 128
Program 128: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
Output A3 switches on when S4 falls below threshold min2.
Output A3 switches off (dominant) when S3 exceeds max2.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1 A3 (on) = S4 < min2 A3 (off) = S3 > max2
All programs +1:The burner requirement (A3) only occurs via sensorS4.
Output A3 switches on when S4 falls below threshold min2.
Output A3 switches off (dominant) when S4 exceeds max2.
A3 (on) = S4 < min2 A3 (off) = S4 > max2
All programs +2:
In addition, pump A1 switches between sensors S4 and S2 (such as oil boiler - buffer - tanksystem) when difference diff2is reached.
Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1,
w orS4 is greater than threshold min3 w and S4 is greater than S2 by the difference diff2
w and S2 has not exceeded max2.
A1 = (S1 > (S2 + diff1) & S1 > min1 & S2 < max1)or (S4 > (S2 + diff2) & S4 > min3 & S2 < max1)
All programs +4:
Output A2 is available as a timer output (without time window always ON).
required settings:
diff1 collectorS1 TK S2 A1diff2 see all programs +2min1 switch-on temp. coll. S1 A1min2 burner req. on TK S4 A3max1 limit TK S2 A1max2 burner req. off TK S3 A3
S1min1
S2max1
diff1A1
burnerA3
S4 min2S3 max2
A1A3
S1
S2
S4
S3
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Solar power system with layered storage tank loading - program 144
A layered system only makes sense if the speed control is activated!
Program 144: Solar pumps A1 run when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
The three-way valve A2 switches up when:
wS3 is greater than the threshold min2w orS3 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max2.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1A2 = (S3 > min2 or S3 > (S4 + diff2)) & S4 < max2
Program 145:
IfS4 has reached max2, the quick warm-up phase has been completed, and the speed
control is thus blocked optimal efficiency.
Program 146:
The speed control is generally blocked if the three-way valve is switched down ( A2 = off).In this case, the priority control is active to allow the upper layer of the storage tank to beaccessed when irradiation is great enough.
All programs +4:
The output A3 is available as a timer output (without time window always ON).
S1 S3min1 min2
S2 S4max1 max2
diff2A2
diff1A1
required settings:
diff1 collectorS1 TK S2 A1diff2 supply line S3 TK S4 A2min1 switch-on temp. coll. S1 A1min2 switch-on temp. supply l. S3 A2max1 limit TK S2 A1max2 limit TK S4 A2
S2S4
A1
S3 A2
A1
S1
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Inserting two boilers into the heating system - program 160
Program 160: Feed pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
Feed pump A2 runs when:
wS5 is greater than the threshold min2w and S5 is greater than S3 by the difference diff2
w and S3 has not exceeded the threshold max2.
Output A3 switches on when S4 falls below threshold min3.
Output A3 switches off (dominant) when S3 exceeds max3.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1A2 = S5 > (S3 + diff2) & S5 > min2 & S3 < max2
A3 (on) = S4 < min3 A3 (off) = S3 > max3
All programs +1:The burner requirement (A3) only occurs via sensorS4.
Output A3 switches on when S4 falls below threshold min3.
Output A3 switches off (dominant) when S4 exceeds max3.
A3 (on) = S4 < min3 A3 (off) = S4 > max3
All programs +2:
The burner requirement (A3) is only admissible if pump A1 is switched off.
required settings:
diff1 boilerS1 TK S2 A1diff2 boilerS5 TK S3 A2
min1 switch-on temp. boilerS1 A1min2 switch-on temp. boilerS5 A2min3 burner req. on TK S4 A3max1 limit TK S2 A1max2 limit TK S3 A2max3 burner req. off TK S3 A3
S1 S5min1 min2
S2 S3max1 max2
burnerA3
S4 min3
S3 max3diff2A2
diff1A1
A1 A2S1
S2S3S5
A3
S4
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All programs +4 (only makes sense together with all programs +2):
Feed pump A2 runs when:
wS5 is greater than the threshold min2w and S5 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max2.
All programs +8 (Additional used SensorS6!):
If S6 exceeds the threshold max1 (and not used with A1!), burner requirement A3 isswitched off. A flue gas thermostat can replace sensorS6, or the sensor can be installed onthe pipe using a metal strip so that the maximum temperature does not exceed 120C (dueto heat conduction as well as cooling through the metal strip).
Solar power system with 2 consumers and feed pump function - program 176
Program 176: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
Pump A2 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S3 by the difference diff2
w and S3 has not exceeded the threshold max2.
S1 S5min1 min2
S2 S3 S4
max1 max2 max3
diff2A2
diff1A1
diff3A3
required settings:
diff1 coll. S1 TK1 S2 A1diff2 coll. S1 TK2 S3 A2diff3 TK2 S5 TK1 S4 A3min1 switch-on temp. coll. S1 A1, A2min2 switch-on temp. TK2 S5 A3min3 see all programs +4max1 limit TK1 S2 A1max2 limit TK2 S3 A2max3 limit TK1 S4 A3
A1A2 S2S3
S4S5A3
S1
TK2 TK1
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The feed pump A3 runs when:
wS5 is greater than the threshold min2w and S5 is greater than S4 by the difference diff3
w and S4 has not exceeded the threshold max3.
A1 = S1 > (S2 + diff1) & S2 < max1 & S1 > min1A2 = S1 > (S3 + diff2) & S3 < max2 & S1 > min1A3 = S5 > (S4 + diff3) & S4 < max3 & S5 > min2
All programs +1:
Instead of the two pumps, one pump and a three-way valve are used (pump-valve system).The speed control (if activated) only affects loop 1.
A1 ... common pump A2 ... valve (A2/S has power when loading tank TK2)
All programs +2:
If both tanks have reached their maximum temperature due to the solar power system,pumps A1 and A3 are switched on (reverse cooling function).
All programs +4:
Both solar loops have separate switch-on thresholds at S1:
Output A1 retains min1, and A2 switches at min3.
The priorities forTK1 and TK2 can be set in the parameter menu underPA. In addition, asolar priority function can be set for this diagram in the menu PRIOR (see solar priorities onpage 88 for more details).
Solar power system with 2 consumers and feed pump (heating boiler) - program 192
S1 S4min1 min2
S2 S3max1 max2max3
diff2
A2diff1
A1
diff3A3
required settings:
diff1 ... coll. S1 TK1 S2 A1diff2 ... coll. S1 TK2 S3 A2diff3 ... boilerS4 TK2 S3 A3min1 ... switch-on temp. Coll. S1 A1, A2min2 ... switch-on temp. boilerS4 A3min3 ... see all programs +4
max1 ... limit TK1 S2 A1max2 ... limit TK2 S3 A2max3 ... limit TK2 S3 A3
S1
S2S3S4 A3
TK1TK2
A1A2
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Program 192: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
Pump A2 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S3 by the difference diff2
w and S3 has not exceeded the threshold max2.
The feed pump A3 runs when:
wS4 is greater than the threshold min2w and S4 is greater than S3 by the difference diff3
w and S3 has not exceeded the threshold max3.
A1 = S1 > (S2 + diff1) & S2 < max1 & S1 > min1A2 = S1 > (S3 + diff2) & S3 < max2 & S1 > min1A3 = S4 > (S3 + diff3) & S3 < max3 & S4 > min2
All programs +1:
Instead of the two pumps, one pump and a three-way valve are used (pump-valve system).The speed control (if activated) only affects loop 1.
A1 ... common pump A2 ... valve (A2/S has power when loading tank TK2)
All programs +2:
If both tanks have reached their maximum temperature due to the solar power system,pumps A2 and A3 are switched on (reverse cooling function).
All programs +4:
Both solar loops have separate switch-on thresholds at S1:output A1 retains min1, and A2 switches at min3.
The priorities forTK1 and TK2 can be set in the parameter menu underPA. In addition, asolar priority function can be set for this diagram in the menu PRIOR (see solar priorities onpage 88 for more details).
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Solar power system with 2 consumers and burner requirement - program 208
Program 208: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
Pump A2 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S3 by the difference diff2
w and S3 has not exceeded the threshold max2.
Output A3 switches on when S5 falls below threshold min2.
Output A3 switches off (dominant) when S4 exceeds max3.
A1 = S1 > (S2 + diff1) & S2 < max1 & S1 > min1A2 = S1 > (S3 + diff2) & S3 < max2 & S1 > min1
A3 (on) = S5 < min2 A3 (off) = S4 > max3
All programs +1:
Instead of the two pumps, one pump and a three-way valve are used (pump-valve system).The speed control (if activated) only affects loop 1.
A1 ... common pump A2 ... valve (A2/S has power when loading tank TK2)
All programs +2:The burner requirement (A3) only occurs via sensorS5.
Output A3 switches on when: w S5 falls short of threshold min2.
Output A3 switches off (dominant) when: w S5 falls short of threshold max3.
A3 (on) = S5 < min2 A3 (off) = S5 > max3
required settings:
diff1 coll. S1 TK1 S2 A1diff2 coll. S1 TK2 S3 A2min1 switch-on temp. coll. S1 A1, A2min2 burner req. on TK2 S5 A3min3 see all programs +4max1 limit TK1 S2 A1max2 limit TK2 S3 A2max3 burner req. off TK2 S4 A3
S1min1
S2 S3max1 max2
diff2A2
diff1A1
burnerA3
S5 min2
S4 max3
S4
A3
S5TK2 TK1
S1
S2S3 A1A2
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All programs +4:
Both solar loops have separate switch-on thresholds at S1:
Output A1 retains min1, and A2 switches at min3.
The priorities forTK1 and TK2 can be set in the parameter menu underPA. In addition, a
solar priority function can be set for this diagram in the menu PRIOR (see solar priorities onpage 88 for more details).
Solar power system with 3 consumers - program 224
Program 224: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
Pump A2 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S3 by the difference diff2
w and S3 has not exceeded the threshold max2.
S1min1
S2 S3 S4max1 max2 max3
diff2
A2
diff1A1
diff3A3
required settings:
diff1 coll. S1 TK1 S2 A1diff2 coll. S1 TK2 S3 A2diff3 coll. S1 TK3 S4 A3min1 switch-on temp. coll. S1A1, A2, A3min2 see all programs +8min3 see all programs +8max1 limit TK1 S2 A1max2 limit TK2 S3 A2max3 limit TK3 S4 A3
A3
S1
S4
A3TK3A1
A2
S2 S3
TK2
TK1
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Pump A3 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S4 by the difference diff3
w and S4 has not exceeded the threshold max3.
A1 = S1 > (S2 + diff1) & S2 < max1 & S1 > min1A2 = S1 > (S3 + diff2) & S3 < max2 & S1 > min1A3 = S1 > (S4 + diff3) & S4 < max3 & S1 > min1
Program 225:
Instead of the two pumps A1 and A2, one pump and a three-way valve are used (pump-valve system). The speed control (if activated) only affects loop 1.
A1 ... common pump A2 ... valve (A2/S has power when loading tank TK2)
Program 226:
Instead of the two pumps A1 and A2, one pump and a three-way valve are used (pump-valve system between TK1 and TK3). The speed control (if activated) only affects loop 1.
A1 ... common pump A3 ... valve (A3/S has power when loading tank TK3)
Program 227:
All three tanks are fed via one pump (A1) and two serially connected three-way valves (A2and A3). When both valves have no power, TK1 is fed. The speed control (if activated) onlyaffects loop 1.
A1 ... common pump
A2 ... valve (A2/S has power when loading TK2)
A3 ... valve (A3/S has power when loading TK3)
All programs +4:
If all of the tanks have reached their maximum temperature, loading to TK2 continuesregardless ofmax2.
All programs +8:
All solar loops have separate switch-on thresholds at S1:
Output A1 retains min1, but A2 switches at min2 and A3 at min3.
The priorities forTK1 and TK2 can be set in the parameter menu underPA. In addition, asolar priority function can be set for this diagram in the menu PRIOR (see solar priorities onpage 88 for more details).
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Solar power system with 2 collector panels and 2 consumers - program 240
A1, A2... pumps A3. switch-over valve (A3/S has power when loading TK2)
Program 240: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S3 by the difference diff1
wand S3 has not exceeded max1wand valve A3 is switched off
or
wS1 is greater than the threshold min1w and S1 is greater than S4 by the difference diff2
wand S4 has not exceeded max2wand valve A3 is switched on.
Pump A2 runs when:
wS2 is greater than the threshold min2w and S2 is greater than S3 by the difference diff1
wand S3 has not exceeded max1wand valve A3 is switched offor
wS2 is greater than the threshold min2w and S2 is greater than S4 by the difference diff2
wand S4 has not exceeded max2wand valve A3 is switched on.
Valve A3 switches relative to the set priority (solar priority)
A1 = S1 > (S3 + diff1) & S3 < max1 & S1 > min1 & (A3 = off)or S1 > (S4 + diff1) & S4 < max2 & S1 > min1 & (A3 = on)
A2 = S2 > (S3 + diff2) & S3 < max1 & S2 > min2 & (A3 = off)
or S2 > (S4 + diff2) & S4 < max2 & S2 > min2 & (A3 = on)
A3 = relative to the set priority
A1 A2
S1 S2
S3 S4A3
TK2TK1
S1 S2min1 min2
S3 S4max1 max2
diff2A2, A3diff1
A1
diff1A2
diff2A1, A3
required settings:
diff1 coll.1 S1 TK1 S3 A1 coll.2 S2 TK1 S3 A2
diff2 coll.1 S1 TK2 S4 A1, A3 coll.2 S2 TK2 S4 A2, A3
diff3 see all programs +1min1 switch-on temp. coll.1 S1 A1min2 switch-on temp. coll.2 S2 A2max1 limit TK1 S3 A1, A2max2 limit TK2 S4 A1, A2, A3
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All programs +1:
If the difference between collector sensors S1 and S2 exceeds the difference diff3, thecolder collector is switched off. This prevents heat from being lost in the colder collectorwhen temperatures are mixed.
WARNING:
In this diagram, priority does not refer to the pumps, but rather to the tanks. The prioritiesforTK1, TK2 and TK3 can be set in the parameter menu under PA. In addition, a solarpriority function can be set for this diagram in the menu PRIOR (see solar priorities on page88 for more details).
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Solar power system with 2 collector panels (1 pump, 2 stop valves) - program 256
Program 256: Pump A1 runs when:
wValve A2 is switched on wor valve A3 is switched on.
Valve A2 switches on when:
wS1 is greater than the threshold min1w and S1 is greater than S3 by the difference diff1
w and S3 has not exceeded the threshold max1.
Valve A3 switches on when:
wS2 is greater than the threshold min2w and S2 is greater than S3 by the difference diff1
w and S3 has not exceeded the threshold max1.
A1 = (A2 = on) or (A3 = on)A2 = S1> (S3 + diff1) & S1 > min1 & S3 < max1
A3 = S2> (S3 + diff1) & S2 > min2 & S3 < max1
All programs +1:
If the difference between collector sensors S1 and S2 exceeds the difference diff3, thecolder collector is switched off. This prevents heat from being lost in the colder collectorwhen temperatures are mixed.
S1 S2min1 min2
S3
max1
diff1A1, A3
diff1A1, A2
required settings:
diff1 coll.1 S1 TK S3 A1, A2 coll.2 S2 TK S3 A1, A3
diff3 see all programs +1min1 switch-on temp. coll.1 S1 A1, A2min2 switch-on temp. coll.2 S2 A1, A3max1 limit TK S3 A1, A2, A3
S1 S2
S3A1
A2 A3
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Solar power system with 2 collector panels and feed pump function - program 272
Program 272: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S3 by the difference diff1
w and S3 has not exceeded the threshold max1.
Pump A2 runs when:
wS2 is greater than the threshold min2w and S2 is greater than S3 by the difference diff1
w and S3 has not exceeded the threshold max1.
The feed pump A3 runs when:
wS5 is greater than the threshold min3w and S5 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max2.
A1 = S1 > (S3 + diff1) & S3 < max1 & S1 > min1A2 = S2 > (S3 + diff1) & S3 < max1 & S2 > min2A3 = S5 > (S4 + diff2) & S4 < max3 & S5 > min3
All programs +1:
If the difference between collector sensors S1 and S2 exceeds the difference diff3, thecolder collector is switched off. This prevents heat from being lost in the colder collectorwhen temperatures are mixed.
required settings:
diff1 coll.1 S1 TK1 S3 A1 coll.2 S2 TK1 S3 A2
diff2 TK1 S5 TK2 S4 A3diff3 see all programs +1min1 switch-on temp. coll.1 S1A1min2 switch-on temp. coll.2 S2A2min3 switch-on temp. TK1 S5 A3max1 limit TK1 S3 A1, A2max2 limit TK2 S4 A3
S1 S2 S5min1 min2 min3
S3 S4max1 max2
diff1
A2
diff1
A1
diff2
A3
A1 A2
S1 S2
S3
A3
TK2TK1
S5
S4
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Solar power system with 2 collector panels and burner requirement - program 288
Program 288: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S3 by the difference diff1
w and S3 has not exceeded the threshold max1.
Pump A2 runs when:
wS2 is greater than the threshold min2w and S2 is greater than S3 by the difference diff1
w and S3 has not exceeded the threshold max1.
Output A3 switches on when: S5 falls short of threshold min3.
Output A3 switches off (dominant) when S4 exceeds max2.
A1 = S1 > (S3 + diff1) & S3 < max1 & S1 > min1A2 = S2 > (S3 + diff1) & S3 < max1 & S2 > min2
A3 (on) = S5 < min3 A3 (off) = S4 > max2
All programs +1:
If the difference between collector sensors S1 and S2 exceeds the difference diff3, thecolder collector is switched off. This prevents heat from being lost in the colder collectorwhen temperatures are mixed.
All programs +2:
The burner requirement (A3) only occurs via sensorS5.
Output A3 switches on when S5 falls below threshold min3.
Output A3 switches off (dominant) when S5 exceeds max2.
A3 (on) = S5 < min3 A3 (off) = S5 > max2
S1 S2min1 min2
S3
max1
diff1A2
burnerA3
S5 min3
S4 max2
required settings:
diff1 coll.1 S1 TK S3 A1 coll.2 S2 TK S3 A2
diff3 see all programs +1min1 switch-on temp. coll.1 S1 A1min2 switch-on temp. coll.2 S2 A2min3 burner req. on TK S5 A3max1 limit TK S3 A1, A2max2 burner re . off TK S4 A3
diff1A1
S1 S2
S3A1 A2
S5
A3
S4
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Solar power system with 2 collector panels and feed pump (heating boiler) pr. 304
Program 304: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S3 by the difference diff1w and S3 has not exceeded the threshold max1.
Pump A2 runs when:
wS2 is greater than the threshold min2w and S2 is greater than S3 by the difference diff1
w and S3 has not exceeded the threshold max1.
The feed pump A3 runs when:
wS4 is greater than the threshold min3w and S4 is greater than S3 by the difference diff2
w and S3 has not exceeded the threshold max2.
A1 = S1 > (S3 + diff1) & S3 < max1 & S1 > min1A2 = S2 > (S3 + diff1) & S3 < max1 & S2 > min2A3 = S4 > (S3 + diff2) & S3 < max2 & S4 > min3
All programs +1:
If the difference between collector sensors S1 and S2 exceeds the difference diff3, thecolder collector is switched off. This prevents heat from being lost in the colder collectorwhen temperatures are mixed.
required settings:
diff1 coll.1 S1 TK S3 A1
coll.2 S2 TK S3 A2diff2 boilerS4 TK S3 A3diff3 see all programs +1min1 switch-on temp. coll.1 S1 A1min2 switch-on temp. coll.2 S2 A2min3 switch-on temp. boilerS4 A3max1 limit TK S3 A1, A2max2 limit TK S3 A3
S1 S2 S4min1 min2 min3
S3max1
max2
diff1A2diff1
A1
diff2
A3
S1 S2
S3A1 A2
A3 S4
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Layered storage tank and one independent feed pump - program 320
A layered system only makes sense if the speed control is activated!
Program 320: Solar pumps A1 run when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1w and S2 has not exceeded the threshold max1.
The three-way valve A2 switches up when:
wS5 is greater than the threshold min2w and S5 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max2.
The feed pump A3 runs when:
wS6 is greater than the threshold min3w and S6 is greater than S3 by the difference diff3
w and S3 has not exceeded the threshold max3.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1A2 = (S5 > min2 or S5 > (S4 + diff2)) & S4 < max2A3 = S6 > (S3 + diff3) & S6 > min3 & S3 < max3
Program 321:
IfS4 has reached max2, the quick warm-up phase has been completed, and the speed
control is thus blocked optimal efficiency.
Program 322:
The speed control is generally blocked if the three-way valve is switched down ( A2 = off).
In this case, the priority control is active to allow the upper layer of the storage tank to beaccessed when irradiation is great enough.
S1 S5 S6min1 min2 min3
S2 S4 S3
max1 max2 max3
diff3A3
diff1A1
diff2A2
required settings:
diff1 coll. S1 TK S2 A1diff2 supply l. S5 TK S4 A2diff3 boilerS6 TK S3 A3min1 switch-on temp. coll. S1 A1min2 switch-on temp.ssl. S5 A2min3 switch-on temp. boilerS6 A3max1 limit TK S2 A1max2 limit TK S4 A2max3 limit TK S3 A3
S2
A3S6
S4
A1
S5 A2
A1
S1
S3
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Layered storage tank and feed pump (heating boiler) - program 336
A layered system only makes sense if the speed control is activated!
Program 336: Solar pumps A1 run when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
The three-way valve A2 switches up when:
wS5 is greater than the threshold min2w and S5 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max2.
The feed pump A3 runs when:
wS3 is greater than the threshold min3w and S3 is greater than S2 by the difference diff3
w and S2 has not exceeded the threshold max3.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1A2 = (S5 > min2 or S5 > (S4 + diff2)) & S4 < max2A3 = S3 > (S2 + diff3) & S3 > min3 & S2 < max3
Program 337:
IfS4 has reached max2, the quick warm-up phase has been completed, and the speed
control is thus blocked optimal efficiency.
Program 338:
The speed control is generally blocked if the three-way valve is switched down ( A2 = off).
In this case, the priority control is active to allow the upper layer of the storage tank to beaccessed when irradiation is great enough.
S1 S3 S5min1 min3 min2
S2 S4max1 max2max3
diff3
A3
diff1
A1
diff2A2
required settings:
diff1 coll. S1 TK S2 A1diff2 supply l. S5 TK S4 A2diff3 boilerS3 TK S2 A3min1 switch-on temp. coll. S1 A1min2 switch-on temp.ssl. S5 A2min3 switch-on temp. boilerS3 A3max1 limit TK S2 A1max2 limit TK S4 A2max3 limit TK S2 A3
S3A3S4
S2A1
S5 A2
A1
S1
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Layered tank and burner requirement - program 352
A layered system only makes sense if the speed control is activated!
Program 352: Solar pumps A1 run when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
The three-way valve A2 switches up when:
wS5 is greater than the threshold min2w and S5 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max2.
Output A3 switches on when S4 falls below min3.
Output A3 switches off (dominant) when S3 exceeds max3.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1A2 = (S5 > min2 or S5 > (S4 + diff2)) & S4 < max2
A3 (on) = S4 < min3 A3 (off) = S3 > max3
Program 353:
IfS4 has reached max2, the quick warm-up phase has been completed, and the speed
control is thus blocked optimal efficiency.
Program 354:
The speed control is generally blocked if the three-way valve is switched down ( A2 = off).In this case, the priority control is active to allow the upper layer of the storage tank to beaccessed when irradiation is great enough.
required settings:
diff1 coll. S1 TK S2 A1diff2 supply l. S5 TK S4 A2min1 switch-on temp. coll. S1 A1min2 switch-on temp.ssl. S5 A2min3 burner req. on TK S4 A3max1 limit TK S2 A1max2 limit TK S4 A2max3 burner re . off TK S3 A3
S1 S5min1 min2
S2 S4
max1 max2
diff2A2
diff1A1
burnerA3
S4 min3
S3 max3
S2
S4S3
A3A1
S5 A2A1
S1
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All programs +4:
The burner requirement (A3) only occurs via sensorS4.
Output A3 switches on when: w S4 falls short of threshold min3.
Output A3 switches off (dominant) when: w S4 falls short of threshold max3.
A3 (on) = S4 < min3 A3 (off) = S4 > max2
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Layered tank and feed pump function - program 368
A layered system only makes sense if the speed control is activated!
Program 368: Solar pumps A1 run when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
The three-way valve A2 switches up when:
wS5 is greater than the threshold min2w and S5 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max2.
The feed pump A3 runs when:
wS4 is greater than the threshold min3w and S4 is greater than S3 by the difference diff3
w and S3 has not exceeded the threshold max3.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1A2 = (S5 > min2 or S5 > (S4 + diff2)) & S4 < max2A3 = S4 > (S3 + diff3) & S4 > min3 & S3 < max3
Program 369:
IfS4 has reached max2, the quick warm-up phase has been completed, and the speed
control is thus blocked optimal efficiency.
Program 370:
The speed control is generally blocked if the three-way valve is switched down ( A2 = off).In this case, the priority control is active to allow the upper layer of the storage tank to beaccessed when irradiation is great enough.
S1 S5min1 min2
S2 S4max1 max2
min3
S3max3
required settings:
diff1 coll. S1 TK1 S2 A1diff2 supply l. S5 TK1 S4 A2diff3 TK1 S4 TK2 S3 A3min1 switch-on temp. coll. S1 A1min2 switch-on temp.ssl. S5 A2min3 switch-on temp. TK1 S4 A3max1 limit TK1 S2 A1max2 limit TK1 S4 A2max3 limit TK2 S3 A3diff3
A3
diff1A1
diff2A2
TK1
S2
S4S3A3
TK2
A1
S5 A2
A1
S1
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Layered storage with bypass function - program 384
A layered system only makes sense if the speed control is activated!
Program 384: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
The three-way valve A2 switches up when:
wS5 is greater than the threshold min2w and S5 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max2.
The feed pump A3 runs when:
w S3 is greater than S2 by diff3wand pump A1 is running.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1
A2 = (S5 > min2 or S5 > (S4 + diff2)) & S4 < max2A3 = S3 > (S2 + diff3) & (A1 = on)
Program 385:
IfS4 has reached max2, the quick warm-up phase has been completed, and the speed
control is thus blocked optimal efficiency.
Program 386:
The speed control is generally blocked if the three-way valve is switched down ( A2 = off).In this case, the priority control is active to allow the upper layer of the storage tank to beaccessed when irradiation is great enough.
S1 S3 S5min1 min3 min2
S2 S4max1 max2max3
diff3A3
diff1A1
diff2A2
required settings:
diff1 coll. S1 TK S2 A1diff2 supply l.1 S5 TK S4 A2
diff3 supply l.2 S3 TK S2 A3min1 switch-on temp. coll. S1 A1min2 switch-on temp.ssl. 1 S5 A2min3 switch-on temp.ssl. 2 S3 A3max1 limit TK S2 A1max2 limit TK S4 A2max3 limit TK S2 A3
S2
S4S3
A3A1
S5 A2
S1
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Solar power system with 1 consumer and 2 feed pump functions - program 400
Program 400: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
The feed pump A2 runs when:
wS3 is greater than the threshold min2w and S3 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max2.
The feed pump A3 runs when:
wS3 is greater than the threshold min2w and S3 is greater than S5 by the difference diff3w and S5 has not exceeded the threshold max3.
A1 = S1 > (S2 + diff1) & S2 < max1 & S1 > min1A2 = S3 > (S4 + diff2) & S4 < max2 & S3 > min2A3 = S3 > (S5 + diff3) & S5 < max3 & S4 > min2
All programs +1:Instead of the two pumps A2 and A3, one pump and a three-way valve are used (pump-valve system).
A2 ... common pump A3 ... valve (A2/S has power when loading tank TK3)
S1 S3min1 min2
S2 S4 S5max1 max2 max3
diff2A2
diff1A1
diff3A3
required settings:
diff1 coll. S1 TK1 S2 A1diff2 TK1 S3 TK2 S4 A2diff3 TK1 S3 TK3 S5 A3min1 switch-on temp. coll. S1 A1min2 switch-on temp. TK1 S3 A2, A3min3 see all programs +2max1 limit TK1 S2 A1max2 limit TK2 S4 A2max3 limit TK3 S5 A3
S1
S2A1
S3
A2A3
S5S4
TK1TK2
TK3
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All programs +2:
Both feed pump loops have separate switch-on thresholds at S3:
output A2 retains min2, and A3 switches at min3.
The priorities forTK1 and TK2 can be set in the parameter menu underPA. In addition, asolar priority function can be set for this diagram in the menu PRIOR (see solar priorities on
page 88 for more details).
1 consumer, 2 feed pump functions, and burner requirement - program 416
Program 416: Feed pump A1 runs when:
wS4 is greater than the threshold min1w and S4 is greater than S1 by the difference diff1
w and S1 has not exceeded the threshold max1.
The feed pump A2 runs when:
wS4 is greater than the threshold min1w and S4 is greater than S2 by the difference diff2
w and S2 has not exceeded the threshold max2.
Output A3 switches on when S4 falls below threshold min2.
Output A3 switches off (dominant) when S3 exceeds max3.
A1 = S4 > (S1 + diff1) & S1 < max1 & S4 > min1A2 = S4 > (S2 + diff1) & S2 < max2 & S4 > min1
A3 (on) = S4 < min2 A3 (off) = S3 > max3
required settings:
diff1 TK3 S4 TK1 S1 A1
diff2 TK3 S4 TK2 S2 A2diff3 see all programs +2min1 switch-on temp. TK3. S4 A1, A2min2 burner req. on TK3 S4 A3min3 see all programs +8max1 limit TK1 S1 A1max2 limit TK2 S2 A2max3 burner req. off TK3 S3 A3
S4min1
S1 S2max1 max2
diff2A2
diff1A1
burnerA3
S4 min2S3 max3
S3
A2A3
S5
S4
S1S2
A1S3
TK1TK3 TK2
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All programs +1:Instead of the two pumps A1 and A2, one pump and a three-way valve are used (pump-valve system).
A2 ... common pump A3 ... valve (A2/S has power when loading tank TK2)
All programs +2:
In addition, the feed pump A1 switches on when the temperature of the tank S1 (TK1)varies by diff3 from the temperature of the burner.
In addition, the feed pump A2 switches on when the temperature of the tank S2 (TK2)varies by diff3 from the temperature of the burner.
Pump A1 runs when:
wS4 is greater than the threshold min1w and S4 is greater than S1 by the difference diff1
w and S1 has not exceeded the threshold max1.
or
wS5 is greater than the threshold min3w and S5 is greater than S1 by the difference diff3
w and S1 has not exceeded the threshold max1.
Feed pump A2 runs when:
wS4 is greater than the threshold min1w and S4 is greater than S2 by the difference diff2
w and S2 has not exceeded the threshold max2.
or
wS5 is greater than the threshold min3w and S5 is greater than S2 by the difference diff3
w and S2 has not exceeded the threshold max2.
A1 = (S4 > (S1 + diff1) & S4 > min1 & S1 < max1)
or (S5 > (S1 + diff3) & S5 > min3 & S1 < max1)
A2 = (S4 > (S2 + diff2) & S4 > min1 & S2 < max2)
or (S5 > (S2 + diff3) & S5 > min3 & S2 < max2)
All programs +4:
The burner requirement (A3) only occurs via sensorS4.
Output A3 switches on when: ? S4 falls short of threshold min2.
Output A3 switches off (dominant) when: ? S4 falls short of threshold max3.
A3 (on) = S4 < min2 A3 (off) = S4 > max3
All programs +8: (Cannot be used with +2!)
Both feed pump loops have separate switch-on thresholds at S4:
output A1 retains min1, and A2 switches at min3.
WARNING:
The priorities between TK1 and TK2 can be set in the parameter menu underPA.
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Solar power system, burner requirement, and one feed pump - program 432
Program 432: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
The feed pump A2 runs when:wS3 is greater than the threshold min2w and S3 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max2.
Output A3 switches on when S5 falls below threshold min3.
Output A3 switches off (dominant) when S4 exceeds max3.
A1 = S1 > (S2 + diff1) & S2 < max1 & S1 > min1A2 = S3 > (S4 + diff2) & S4 < max2 & S3 > min2
A3 (on) = S5 < min3 A3 (off) = S4 > max3
required settings:
diff1 coll. S1 TK S2 A1diff2 boilerS3 TK S4 A2min1 switch-on temp. coll. S1 A1
min2 switch-on temp. boilerS3 A2min3 burner req. on TK S5 A3max1 limit TK S2 A1max2 limit TK S4 A2max3 burner re . off TK S4 A3
S1 S3min1 min2
S2 S4max1 max2
diff2
A2
diff1
A1
burnerA3
S5 min3
S4 max3
A1A2
S1
S2S3 S4
S5
A3
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Program 433:
Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
The feed pump A2 runs when:
wS3 is greater than the threshold min2w and S3 is greater than S2 by the difference diff2
w and S2 has not exceeded the threshold max2.
Output A3 switches on when S5 falls below threshold min3.
Output A3 switches off (dominant) when S4 exceeds max3.
A1 = S1 > (S2 + diff1) & S2 < max1 & S1 > min1A2 = S3 > (S2 + diff2) & S2 < max2 & S3 > min2
A3 (on) = S5 < min3 A3 (off) = S4 > max3
All programs +2:
The burner requirement (A3) only occurs via sensorS5.
Output A3 switches on when S5 falls below threshold min3.
Output A3 switches off (dominant) when S5 exceeds max3.
A3 (on) = S5 < min3 A3 (off) = S5 > max3
S1 S3min1 min2
S2max1max2
diff2
A2diff1
A1
burnerA3
S5 min3S4 max3
required settings:
diff1 coll. S1 TK S2 A1diff2 boilerS3 TK S2 A2min1 switch-on temp. coll.1 S1 A1min2 switch-on temp. boiler 2 S3 A2min3 burner req. on TK S5 A3max1 limit TK S2 A1max2 limit TK S2 A2max3 burner req. off TK S4 A3
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Burner requirement and 2 feed pump functions - program 448
Program 448: Feed pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
The feed pump A2 runs when:
wS5 is greater than the threshold min2w and S5 is greater than S3 by the difference diff2
w and S3 has not exceeded the threshold max2.
Output A3 switches on when S5 falls below threshold min3.
Output A3 switches off (dominant) when S4 exceeds max3.
A1 = S1 > (S2 + diff1) & S2 < max1 & S1 > min1A2 = S5 > (S3 + diff2) & S3 < max2 & S5 > min2
A3 (on) = S5 < min3 A3 (off) = S4 > max3
required settings:
diff1 boilerS1 TK1 S2 A1diff2 TK1 S5 TK2 S3 A2diff3 see all programs +2
min1 switch-on temp. boilerS1 A1min2 switch-on temp. TK1 S5 A2min3 burner req. on TK1 S5 A3max1 limit TK1 S2 A1max2 limit TK2 S3 A2max3 burner req. off TK1 S4 A3
S1 S5min1 min2
S2 S3
max1 max2
diff2
A2
diff1
A1
burnerA3
S5 min3S4 max3
A2S1
A3S3
S2S4S5
TK2TK1
A1
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Program 449:
Feed pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S4 by the difference diff1
w and S4 has not exceeded the threshold max1.
Feed pump A2 runs when:
wS5 is greater than the threshold min2w and S5 is greater than S3 by the difference diff2
w and S3 has not exceeded the threshold max2.
Output A3 switches on when S5 falls below threshold min3.
Output A3 switches off (dominant) when S4 exceeds max3.
A1 = S1 > (S4 + diff1) & S2 < max1 & S4 > min1A2 = S5 > (S3 + diff2) & S3 < max2 & S5 > min2 A3 (on) = S5 < min3 A3 (off) = S4 > max3
All programs +2:
In addition, the feed pump A2 switches on when the temperature of the tank S3 (TK2)varies by diff3 from the temperature of the burner.
Feed pump A2 runs when:
wS5 is greater than the threshold min2w and S5 is greater than S3 by the difference diff2
w and S3 has not exceeded the threshold max2.
or
wS1 is greater than the threshold min1w and S1 is greater than S3 by the difference diff3
w and S3 has not exceeded the threshold max2.
A2 = (S5 > (S3 + diff2) & S5 > min2 & S3 < max2)or (S1 > (S3 + diff3) & S1 > min1 & S3 < max2)
All programs +4:
The burner requirement (A3) only occurs via sensorS5.
Output A3 switches on when S5 falls below threshold min3.
Output A3 switches off (dominant) when S5 exceeds max3.
A3 (on) = S5 < min3 A3 (off) = S5 > max3
required settings:
diff1 boilerS1 TK1 S4 A1diff2 TK1 S5 TK2 S3 A2diff3 see all programs +2
min1 switch-on temp. boilerS1 A1min2 switch-on temp. TK1 S5 A2min3 burner req. on TK1 S5 A3max1 limit TK1 S4 A1max2 limit TK2 S3 A2max3 burner req. off TK1 S4 A3
S1 S5min1 min2
S4 S3max1 max2
diff2
A2
diff1
A1
burnerA3
S5 min3
S4 max3
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Solar power system with 2 consumers and bypass function - program 464
Program 464: Pump A1 runs when:wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
worS1 is greater than S3 by diff1
wboth temperature delimiters (S2 > max1 and S3 > max2) have not been exceeded.
Feed pump A2 runs when:
wS4 is greater than the threshold min2w and S4 is greater than S2 by the difference diff2
w and S2 has not exceeded the threshold max1.
The feed pump A3 runs when:
wS4 is greater than the threshold min2w and S4 is greater than S3 by the difference diff3w and S3 has not exceeded the threshold max2.
A1 = (S1 > (S2 + diff1) or S1 > (S3 + diff1)) & S1 > min1
& (S2 < max1 or S3 < max2)
A2 = S4 > (S2 + diff2) & S4 > min1 & S2 < max1
A3 = S4 > (S3 + diff3) & S4 > min1 & S3 < max2
required settings:
diff1 coll. S1 TK1 S2 A1 coll. S1 TK2 S3 A1diff2 supply l. S4 TK1 S2 A2diff3 supply l. S4 TK2 S3 A3min1 switch-on temp. coll. S1 A1min2 switch-on temp. ssl. S4 A2, A3min3 see all programs +8max1 limit TK1 S2 A1, A2max2 limit TK2 S3 A1, A3
S1 S4
min1 min2
S2 S3
max1 max2
diff1
A1diff2A2
diff1A1
diff3
A3
A2A1
S1
S3A3
S2S4
TK1 TK2
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All programs +1:
Instead of the two feed pumps A2 and A3, one pump and a three-way valve are used(pump-valve system).
A2 ... common pump A3 ... valve (A2/S has power when loading tank TK2)
All programs +2:
Both secondary solar loops have separate switch-on thresholds at S4:
output A2 retains min2, and A3 switches at min3.
All programs +4:
The two secondary pumps A2 and A3 are only released when primary pump A1 is runningin automatic mode.
The priorities forTK1 and TK2 can be set in the parameter menu underPA. In addition, asolar priority function can be set for this diagram in the menu PRIOR (see solar priorities onpage 88 for more details).
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2 consumers and 3 feed pump functions - program 480
Program 480: Feed pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
The feed pump A2 runs when:
wS3 is greater than the threshold min2w and S3 is greater than S2 by the difference diff2
w and S2 has not exceeded the threshold max2.
The feed pump A3 runs when:
wS5 is greater than the threshold min3w and S5 is greater than S4 by the difference diff3w and S4 has not exceeded the threshold max3.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1
A2 = S3 > (S2 + diff2) & S3 > min2 & S2 < max2
A3 = S5 > (S4 + diff3) & S5 > min3 & S4 < max3
S1 S3 S5min1 min2 min3
S2 S4max1 max3max2
diff2
A2
diff1
A1
diff3
A3
required settings:
diff1 heat source S1 TK1 S2 A1diff2 boilerS3 TK1 S2 A2diff3 TK1 S5 TK2 S4 A3min1 switch-on t. heat source S1 A1min2 switch-on temp. boilerS3 A2min3 switch-on temp. TK1 S5 A3max1 limit TK1 S2 A1max2 limit TK1 S2 A2max3 limit TK2 S4 A3
S1 A1
A2A3
S3S5
S2S4
TK1 TK2
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1 consumer and 3 feed pump functions - program 496
Program 496: Solar pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
The feed pump A2 runs when:
wS3 is greater than the threshold min2w and S3 is greater than S2 by the difference diff2
w and S2 has not exceeded the threshold max2.
The feed pump A3 runs when:
wS4 is greater than the threshold min3w and S4 is greater than S2 by the difference diff3w and S2 has not exceeded the threshold max3.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1
A2 = S3 > (S2 + diff2) & S3 > min2 & S2 < max2
A3 = S4 > (S2 + diff3) & S4 > min3 & S2 < max3
required settings:
diff1 coll. S1 TK S2 A1diff2 heat source S3 TK S2 A2diff3 boilerS4 TK S2 A3min1 switch-on temp. coll. S1 A1min2 switch-on t. heat source S3 A2min3 switch-on temp. boilerS4 A3max1 limit TK S2 A1max2 limit TK S2 A2max3 limit TK S2 A3
S1 S3 S4
min1 min2 min3
S2max1max2max3
diff2
A2diff1A1
diff3
A3
S3A2
A3S4
S1
A1S2
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3 consumers and 3 feed pumps (3 independent differential loops) - program 512
Program 512: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1w and S2 has not exceeded the threshold max1.
Feed pump A2 runs when:
wS3 is greater than the threshold min2w and S3 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max2.
The feed pump A3 runs when:
wS5 is greater than the threshold min3w and S5 is greater than S6 by the difference diff3
w and S6 has not exceeded the threshold max3.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1A2 = S3 > (S4 + diff2) & S3 > min2 & S4 < max2A3 = S5 > (S6 + diff3) & S5 > min3 & S6 < max3
required settings:
diff1 coll.1 S1 TK1 S2 A1
diff2 coll.2 S3 TK2 S4 A2diff3 coll.3 S5 TK3 S6 A3min1 switch-on temp. coll.1 S1 A1min2 switch-on temp. coll.2 S3 A2min3 switch-on temp. coll.3 S5 A3max1 limit TK1 S2 A1max2 limit TK2 S4 A2max3 limit TK3 S6 A3
S1 S3 S5min1 min2 min3
S2 S4 S6
max1 max2 max3
diff2
A2diff1
A1
diff3
A3
S3
S4A2
S5
A3S6
S1
S2A1
TK1 TK2 TK3
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2 independent differential loops and independent burner requirement - program 528
Program 528: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
Feed pump A2 runs when:
wS3 is greater than the threshold min2w and S3 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max2.
Output A3 switches on when S6 falls below threshold min3.
Output A3 switches off (dominant) when S5 exceeds max3.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1A2 = S3 > (S4 + diff2) & S3 > min2 & S4 < max2
A3 (on) = S6 < min3 A3 (off) = S5 > max3All programs +1:
The burner requirement (A3) only occurs via sensorS6.
Output A3 switches on when S6 falls below threshold min3.
Output A3 switches off (dominant) when S6 exceeds max3.
A3 (on) = S6 < min3 A3 (off) = S6 > max3
required settings:
diff1 coll.1 S1 TK1 S2 A1diff2 coll.2 S3 TK2 S4 A2
min1 switch-on temp. coll.1 S1 A1min2 switch-on temp. coll.2 S3 A2min3 burner req. on TK3 S6 A3max1 limit TK1 S2 A1max2 limit TK2 S4 A2max3 burner req. off TK3 S5 A3
S1 S3min1 min2
S2 S4max1 max2
diff2
A2diff1
A1
burnerA3
S6 min3
S5 max3
S1
A3 S5
S6
S2A1
TK1 TK3
S3
S4A2
TK2
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Cascade: S1 S2 S3 S4 - program 544
Program 544: Solar pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
The feed pump A2 runs when:
wS2 is greater than the threshold min2w and S2 is greater than S3 by the difference diff2
w and S3 has not exceeded the threshold max2.
The feed pump A3 runs when:
wS3 is greater than the threshold min3w and S3 is greater than S4 by the difference diff3
w and S4 has not exceeded the threshold max3.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1A2 = S2 > (S3 + diff2) & S2 > min2 & S3 < max2
A3 = S3 > (S4 + diff3) & S3 > min3 & S4 < max3
required settings:
diff1 coll. S1 TK1 S2 A1diff2 TK1 S2 TK2 S3 A2diff3 TK2 S3 TK3 S4 A3min1 switch-on temp. coll S1 A1min2 switch-on temp. TK1 S2 A2min3 switch-on temp. TK2 S3 A3max1 limit TK1 S2 A1max2 limit TK2 S3 A2max3 limit TK3 S4 A3
S1min1
max1S2
min2
max2S3
min3
S4max3
diff2A2
diff1A1
diff3A3
S1
S2A1
A3S3S4
TK1 TK2 TK3
A2
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Cascade: S1 S2 / S3 S4 S5 - program 560
Program 560: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
The feed pump A2 runs when:
wS3 is greater than the threshold min2w and S3 is greater than S4 by the difference diff2w and S4 has not exceeded the threshold max2.
The feed pump A3 runs when:
wS4 is greater than the threshold min3w and S4 is greater than S5 by the difference diff3
w and S5 has not exceeded the threshold max3.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1A2 = S3 > (S4 + diff2) & S3 > min2 & S4 < max2A3 = S4 > (S5 + diff3) & S4 > min3 & S5 < max3
S1 S3min1 min2
S2 S4max1 max2
min3
S5max3
diff3A3
diff1A1
diff2A2
required settings:
diff1 coll. S1 TK1 S2 A1
diff2 TK1 S3 TK2 S4
A2diff3 TK2 S4 TK3 S5 A3min1 switch-on temp. coll. S1 A1min2 switch-on temp. TK1 S3 A2min3 switch-on temp. TK2 S4 A3max1 limit TK1 S2 A1max2 limit TK2 S4 A2max3 limit TK3 S5 A3
S1
S2A1A3
S3S5
TK1 TK3
S4
TK2
A2
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Cascade: S4 S1 S2 + burner requirement - program 576
Program 576: Feed pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
The feed pump A2 runs when:
wS4 is greater than the threshold min2w and S4 is greater than S1 by the difference diff2
w and S1 has not exceeded the threshold max2.
Output A3 switches on when S4 falls below threshold min3.
Output A3 switches off (dominant) when S3 exceeds max3.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1A2 = S4 > (S1 + diff2) & S4 > min2 & S1 < max2
A3 (on) = S4 < min3 A3 (off) = S3 > max3
All programs +1:
The burner requirement (A3) only occurs via sensorS4.
Output A3 switches on when S4 falls below threshold min3.
Output A3 switches off (dominant) when S4 exceeds max3.
A3 (on) = S4 < min3 A3 (off) = S4 > max3
Required settings:
diff1 TK2 S1 TK3 S2 A1diff2 TK1 S4 TK2 S1 A2
min1 switch-on temp. TK2 S1
A1min2 switch-on temp. TK1 S4 A2min3 burner req. on TK1 S4 A3max1 limit TK3 S2 A1max2 limit TK2 S1 A2max3 burner req. off TK1 S3 A3
S4min2
S1max2min1
S2max1
diff1
A1
diff2
A2
burnerA3
S4 min3
S3 max3
A1A3 S3
S4S2
TK3TK2TK1
S1A2
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2 generators on 2 consumers + burner requirement - program 608
No diagram available!
Program 608: Pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S3 by the difference diff1
w and S3 has not exceeded the threshold max1.
or
wS2 is greater than the threshold min2w and S2 is greater than S3 by the difference diff1
w and S3 has not exceeded the threshold max1.
Pump A2 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max1.or
wS2 is greater than the threshold min2w and S2 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max2.
Output A3 switches on when S6 falls below threshold min3.
Output A3 switches off (dominant) when S5 exceeds max3.
A1 = S1> (S3 + diff1) & S1 > min1 & S3 < max1or S2 > (S3 + diff1) & S2 > min2 & S3 < max1
A2 = S1 > (S4 + diff2) & S1 > min1 & S4 < max1or S2 > (S4 + diff2) & S2 > min2 & S4 < max1
A3 (on) = S6 < min3 A3 (off) = S5 > max3
Program 609:The burner requirement (A3) only occurs via sensorS6.
Output A3 switches on when S6 falls below threshold min3.
Output A3 switches off (dominant) when S6 exceeds max3.
A3 (on) = S6 < min3 A3 (off) = S6 > max3
S1 S2min1 min2
S3 S4
max1 max2
burnerA3
S6 min3S5 max3
required settings:
diff1 boiler1 S1 TK1 S3 A1 boiler2 S2 TK1 S3 A1
diff2 boiler1 S1 TK2 S4 A2 boiler2 S2 TK2 S4 A2
min1 switch-on t. boiler1 S1 A1min2 switch-on t. boiler2 S2 A2min3 burner req. on S6 A3max1 limit TK1 S3 A1max2 limit TK2 S4 A2max3 burner req. offS5 A3
diff1
A1
diff1A1
diff2A2
diff2
A2
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Program 610:As with program 608, but the burner requirement (A3) comes from S2 and S5.
Output A3 switches on when S2 falls below threshold min3.
Output A3 switches off (dominant) when S5 exceeds max3.
A3 (on) = S2 < min3 A3 (off) = S5 > max3
Program 611:As with program 608, but the burner requirement (A3) comes from sensorS2.
Output A3 switches on when S2 falls below threshold min3.
Output A3 switches off (dominant) when S2 exceeds max3.
A3 (on) = S2 < min3 A3 (off) = S2 > max3
Program 612:As with program 608, but the burner requirement (A3) comes from S4 and S5.
Output A3 switches on when S4 falls below threshold min3.
Output A3 switches off (dominant) when S5 exceeds max3.
A3 (on) = S4 < min3 A3 (off) = S5 > max3
Program 613:As with program 608, but the burner requirement (A3) comes from sensorS4.
Output A3 switches on when S4 falls below threshold min3.
Output A3 switches off (dominant) when S4 exceeds max3.
A3 (on) = S4 < min3 A3 (off) = S4 > max3
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Solar power system with one consumer and swimming pool - program 624
Program 624: Solar pump A1 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
Solar pump A2 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S3 by the difference diff2
w and S3 has not exceeded the threshold max2.
Filter pump A3 runs when:wA3 is released by a time window (caution: without time window A3 is always ON)orw pump A2 is running w and A2 is on automatic mode.
A1 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1A2 = S1 > (S3 + diff2) & S1 > min1 & S3 < max2A3 = (A3 = on) or (A2 = automatic mode)
All programs +1:
Instead of the two pumps, one pump and a three-way valve are used (pump-valve system).The speed control (if activated) only affects loop 1.
A1 ... common pump A2 ... valve (A2/S has power when loading tank TK2)
All programs +2:
In addition, ifS4 exceeds the threshold max3,pump A1 is switched off.
All programs +4: Both solar loops have separate switch-on thresholds at S1:
output A1 retains min1, and A2 switches at min2.
The priorities forTK1 and TK2 can be set in the parameter menu underPA. In addition, asolar priority function can be set for this diagram in the menu PRIOR (see solar priorities onpage 88 for more details).
S1min1
S2 S3max1 max2
diff2A2, A3
diff1A1
required settings:
diff1 coll. S1 TK1 S2 A1diff2 coll. S1 TK2 S3 A2min1 switch-on temp. coll. S1 A1, A2min2 see all programs +4
max1 limit TK1 S2 A1max2 limit TK2 S3 A2max3 see all programs +2
S2S3
S1
A3A2A1
TK2TK1
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Preparation of hot water including circulation and solar power system program 640
Only makes sense if the speed control is activated!
Program 640: Pump A1 runs when:
w the flow switch (FS)S6 detects flow.
The circulation pump A2 runs when:
wS3 is greater than the threshold min2w and S3 is greater than S4 by the difference diff2
w and S4 has not exceeded the threshold max2.
Solar pump A3 runs when:
wS1 is greater than the threshold min1w and S1 is greater than S2 by the difference diff1
w and S2 has not exceeded the threshold max1.
A1 = flow switch FS (S6) = ONA2 = S3 > (S4 + diff2) & S3 > min2 & S4 < max2A3 = S1 > (S2 + diff1) & S1 > min1 & S2 < max1
All programs +1:
Circulation pump A2 is only switched on when in addition to the basic function the volumeflow switch (FS) S6 is on (A1 = ON).
diff2
A2diff1
A3
S1 S3
min1 min2
S2 S4max1 max2
A1 = FS (S6) = ON
required settings:
diff1 coll. S1 TK S2 A3diff2 TK S3 circ. return S4 A2min1 switch-on temp. coll. S1 A3min2 switch-on temp TK S3 A2max1 limit TK S2 A3max2 limit circ. return S4 A2
S1
A2A1
WW
S2
S3
S4
S5
A3KW
S6
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Preparation of hot water including circulation and burner requirement program 656
Only makes sense if the speed control is activated!
Program 656: Pump A1 runs when:
w the flow switch (FS)S5 detects flow.
The circulation pump A2 runs when:
wS3 is greater than the threshold min1w and S3 is greater than S4 by the difference diff1
w and S4 has not exceeded the threshold max1.
Output A3 switches on when S3 falls below threshold min2.
Output A3 switches off (dominant) when S2 exceeds max2.
A1 = Flow switch FS (S5) = ONA2 = S3 > (S4 + diff1) & S3 > min1 & S4 < max1 A3 (on) = S3 < min2 A3 (off) = S2 > max2
All programs +1:
Circulation pump A2 is only switched on when in addition to the basic function the volumeflow switch (FS)S5 is on (A1 = ON).
All programs +2:The burner requirement (A3) only occurs via sensorS3.
Output A3 switches on when S3 falls below threshold min2.
Output A3 switches off (dominant) when S3 exceeds max2.
A3 (on) = S3 < min2 A3 (off) = S3 > max2
required settings:
diff1 TK S3 circulation return S4 A2min1 switch-on temp. TK S3 A3min2 burner req. on TK3 S3 A3max1 limit circulation return S2 A2max2 burner req. off TK S2 A3
S3
min1
S4max1 A1 = FS (S5) = ON
diff1
A2
burner
A3S3 min2S2 max2
S3
A3S2
A2A1 S5
WW
S4
S1
KW
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Installation instructions
Installing the sensor(s):
The sensors must be arranged and installed properly for the system to function correctly.
To this end, make sure that they are completely inserted in the immersion sleeves. Thethreaded cable connections provided can be used to provide strain relief. The clip-onsensors must be insulated to protect them from being influenced by the ambienttemperature. Water must be kept out of the immersion sleeves when used outdoors(damage from freezing).
In general, the sensors may not be exposed to moisture (such as condensation water),which might enter the cast resin and damage the sensor. If this happens, heating thesensor to 90C for an hour might help. When using immersion sleeves in NIRO tanks(inoxydable) or pools, pay attention to theirnon-corrosion properties.
l Collector sensor (red or green cable with connection box): Insert either in the tube
directly soldered or riveted to the absorber and sticking out of the collectors frame or in a t-shaped connector on the outer collectors supply line collector tube. Screw an immersionsleeve with an MS (brass) threaded cable connection (= to protect from moisture) into thisT-shaped connector and insert the sensor. To protect from lightening, the connection boxhas parallel overvoltage protection between the sensor and the extension cable.
l Boiler sensor (boiler supply line): This sensor is either screwed into the boiler with animmersion sleeve or attached to the boilers supply line at a slight distance.
l Tank sensor: The sensor that the solar power system needs should be used with animmersion sleeve for fin coil heat exchangers just above the exchanger or, if integratedbare-tube heat exchangers are used, on the lower third of the exchanger or the exchangers
return line so that the immersion sleeve is inside the exchangers tube. The sensor thatmonitors the heating of the tank from the boiler is installed at the level of the desiredamount of hot water during the heating season. The plastic threaded cable connectionsprovided can be used to provide strain relief. They must not be installed below the register /exchanger.
l Buffer sensor: The sensor that the solar power system needs is installed on the bottomof the tank just below the solar heat exchanger using the immersion sleeve provided. Theplastic threaded cable connections provided can be used to provide strain relief. It isrecommended that the sensor be used between the middle and the upper third of the buffertank using the immersion sleeve as a reference sensor for the heaters hydraulics or - flushwith the tanks wall - under the insulation.
l Pool sensor (swimming pool): Put a T-shaped connector on the suction lineimmediately on the line leading from the pool and screw the sensor in with an immersionsleeve. In the process, make sure that the material used is non-corroding. Another option isto put the sensor on the same spot using hose clamps or adhesive tape and to providethermal insulation for ambient influences.
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l Clip-on sensor: Use pipe clamps, hose clamps, and the like must be attached to therespective line. Make sure that suitable material is used (corrosion and temperatureresistance, etc.). Then, the sensor has to be well insulated so that the tube temperature canbe taken exactly and influences from the ambient temperature can be ruled out.
l Hot water sensor: When the control system is used in hot water systems with anexternal heat exchanger and variable-speed pump, changes in the amount of water have tobe reacted to quickly. Hence, the hot water sensor has to be put directly on the heatexchanger