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AOS Q COMBI & AOS Q COMBI &
CONVECTION OVEN (C)CONVECTION OVEN (C)
Service TrainingService Training
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AOS OVEN RANGE
3 functional levels: A – B – C – A: humidity control, integrated
shower and automatic cleaning system, possibility of storing recipes
– B: humidity bypass control probe
– C: ISG, automatic cleaning system
Sizes: 5– 6, 10 1/1, 10 2/1, 20 1/1, 20 2/1
Electric ovens Gas ovens
400V/3N/50-60 Hz Natural gas
230V/3/50-60 Hz LPG
200V/3/50-60 Hz Power supply:
440V/3/50-60 Hz – Marine version 230V/1N/50-60 Hz
400V/3/50-60 Hz – Marine version 100V/1N/50-60 Hz
240V/3/50-60 Hz – US version 120V/1N/50/60 Hz – US version
208V/3/50-60 Hz – US version
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TECNICAL DATA
GAS MODELS ELECTRIC MODELS
DESCRIPTIONS:A = PNCB = SERIAL NUMBER (ywk000nn)C = Electrilcal VoltageD = Electrical PhasesE = FrequencyF = Electrical power rateG = Cavity motor Power (only USA)H = Factory modelI = AmperageF = Year of prod.M = Nominal powerNOPQ = Gas comsumptionR = Gas exhaust typeT = Commercial mode
LEFT SIDE PANEL
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TECNICAL DATA
PNC description (section A):
12 digits:
– 9PDX oven factory
– PNC e.g.: 260 660 (important to understand the model)
– status level e.g.: 07 (important to understand the oven upgrade status)
– e.g.: 9PDX260660 07
Serial number description (section B)
8 digits
– first number year manufacture e.g.: 5 means 2005
– second and third number week manufacture
– rest of digits progressive number for that week
– e.g.: 52500012 means year 2005, week 25, number 12 in that week
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AOS OVEN RANGE SAFETY DEVICE:Electric and gas models
Safety devices: cooking chamber (CAVITY)
SAFETY THERMOSTATSAFETY THERMOSTAT TEMPERATURE SENSOR TEMPERATURE SENSOR
TO AVOID OVERTEMPERATURE CONDITIONS:TO AVOID OVERTEMPERATURE CONDITIONS:
MAX temperature inside CAVITY 300°C 572MAX temperature inside CAVITY 300°C 572°°FF
temperature sensor control point 320°C 608temperature sensor control point 320°C 608°°FF
Safety thermostat control point 340°C 644Safety thermostat control point 340°C 644°°FF
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AOS OVEN RANGE SAFETY DEVICE:ELECTRIC models
Safety devices: steam generator (BOILER)
TEMPERATURE SENSOR TEMPERATURE SENSOR WATER LEVEL SENSOR WATER LEVEL SENSOR
TO AVOID OVERTEMPERATURE CONDITIONS:TO AVOID OVERTEMPERATURE CONDITIONS:
MAX temperature inside BOILER 100°CMAX temperature inside BOILER 100°C
temperature sensor control point 125°Ctemperature sensor control point 125°C
TO AVOID EMPTY WORK CONDITIONS:TO AVOID EMPTY WORK CONDITIONS:
Sensor control water level.Sensor control water level.
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AOS OVEN RANGE SAFETY DEVICE:GAS models
Safety devices: steam generator (BOILER)
TO AVOID EMPTY WORK TO AVOID EMPTY WORK CONDITIONS:CONDITIONS:
Sensor control water level.Sensor control water level.
WATER LEVEL SENSOR WATER LEVEL SENSOR
TO AVOID OVERTEMPERATURE TO AVOID OVERTEMPERATURE CONDITIONS:CONDITIONS:
MAX temperature inside BOILER 100°CMAX temperature inside BOILER 100°C
temperature sensor control point 125°Ctemperature sensor control point 125°C
Safety thermostat control point 135°CSafety thermostat control point 135°C
TEMPERATURE SENSOR TEMPERATURE SENSOR
SAFETY THERMOSTATSAFETY THERMOSTAT
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WORK PROBE
SAFETY PROBE
BOILER
FROM FAST FILLING VALVE
FROM SLOW FILLING VALVE
AOS OVEN RANGE:BOILER FILLING SYSTEM
WITH POWER ON BOTH WATER VALVE ONWITH POWER ON BOTH WATER VALVE ON
WATER LEVEL REACH SAFETY PROBEWATER LEVEL REACH SAFETY PROBE• FAST FILLING VALVE OFFFAST FILLING VALVE OFF• SLOW FILLING VALVE ONSLOW FILLING VALVE ON• BOILER CAN BE USED ( “FILL” MESSAGE OFF)BOILER CAN BE USED ( “FILL” MESSAGE OFF)
WATER LEVEL REACH WORK PROBEWATER LEVEL REACH WORK PROBE• SLOW FILLING VALVE OFFSLOW FILLING VALVE OFF
WATER LEVEL DURING NORMAL WORK CONDITIONSWATER LEVEL DURING NORMAL WORK CONDITIONSIS CONTROLLED BY SLOW FILLING VALVE THROUGH IS CONTROLLED BY SLOW FILLING VALVE THROUGH THE WORK PROBETHE WORK PROBE
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AOS OVEN RANGE SAFETY DEVICE:BOILER WATER LEVEL CONTROL
WATER LEVEL SENSORWATER LEVEL SENSORS = SAFETYS = SAFETYL = WORKL = WORK
WATER VALVESWATER VALVESRED = FASTRED = FASTBLU = SLOWBLU = SLOW
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AOS OVEN RANGE: CONTROL PANEL
LEVEL ALEVEL A
• LAMBDA SENSOR (HUMIDITY CONTROL)LAMBDA SENSOR (HUMIDITY CONTROL)
• UTILITESUTILITES
• CLEANING SYSTEMCLEANING SYSTEM
• POSSIBILITY TO MEMORIZE RECIPESPOSSIBILITY TO MEMORIZE RECIPES
• FACTORY RECIPES INSIDEFACTORY RECIPES INSIDE
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AOS OVEN RANGE: CONTROL PANEL
LEVEL CLEVEL C• POSSIBILITY TO USE TWO COOKING PHASESPOSSIBILITY TO USE TWO COOKING PHASES
• TWO COOKING CYCLES: HOT AIR OR COMBI TWO COOKING CYCLES: HOT AIR OR COMBI
CYCLE WITH 10 LEVEL OF HUMIDITY CREATED CYCLE WITH 10 LEVEL OF HUMIDITY CREATED
WITH INSTANT STEAM GENERATION (ISG)WITH INSTANT STEAM GENERATION (ISG)
• UTILITIESUTILITIES
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Checking Probe Working Temperatures
While the oven is working, it is possible to see the temperatures of the probes by pressing the service buttons as shown below:
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Cooking cycles:
HOT air mode
STEAM mode (212 °F)
Low temperature STEAM (< 212 °F)
STEAM mode (> 212 °F up to 266 °F)
COMBI mode
AOS OVEN RANGE: MAIN FUNCTIONS DESCRIPTION
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AOS OVEN RANGE: MAIN FUNCTIONS DESCRIPTION
OVEN SENSORS
– Cavity probe
– Bypass probe
– Boiler probe
– Lambda probe (only on lev. A )
– Meat probe (act as a timer when cooking with it)
THERMOCOUPLETHERMOCOUPLE
HUMIDITY SENSORHUMIDITY SENSOR
THERMOCOUPLETHERMOCOUPLE
6 POINT LEVEL A6 POINT LEVEL A
SINGLE POINT LEVEL BSINGLE POINT LEVEL B
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AOS OVEN RANGE: MAIN FUNCTIONS DESCRIPTION
HOT air mode:
– Cavity probe: controlling display and CAVITY heaters
– Bypass probe: controlling steam condenser device
– With the humidity set (lev. A ovens), lambda probe is controlling humidity display and cavity flap
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AOS OVEN RANGE: MAIN FUNCTIONS DESCRIPTION
LEVEL ALEVEL A STEAM mode (212 °F)
– Cavity probe: controls display
– Boiler probe: act as a safety probe
– Lambda probe: controls BOILER heaters
– Bypass probe: controls steam condenser device
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AOS OVEN RANGE: MAIN FUNCTIONS DESCRIPTION
LEVEL ALEVEL A
STEAM mode (< 212 °F)
– Cavity probe: controls display and BOILER heaters
– Boiler probe: act as a safety probe
– Bypass probe: controls steam condenser device
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AOS OVEN RANGE: MAIN FUNCTIONS DESCRIPTION
LEVEL ALEVEL A COMBI mode
– Cavity probe: controls display and CAVITY heaters
– Boiler probe: act as a safety probe
– Lambda probe: controls BOILER heaters
– Bypass probe: controls steam condenser device
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AOS OVEN RANGE: MAIN FUNCTIONS DESCRIPTION
LEVEL CLEVEL CCOMBI mode
– Cavity probe: controls display and CAVITY heaters
– Water valve creates 10 different levels of humidity with ISG sistem
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AOS OVEN RANGE: MAIN FUNCTIONS DESCRIPTION
LEVEL CLEVEL C
INSTANT STEAM GENERATION
HUMIDITY LEVEV HUMIDITY LEVEV DISPLAY FROM 1 to DISPLAY FROM 1 to
10%10%WATER INLETWATER INLET
WATER FLOWWATER FLOW
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AOS OVEN RANGE: MAIN FUNCTIONS DESCRIPTION
STEAM mode (> 212 °F – up to 266 °F)
– It is a combi mode with the above temperature set point and humidity set point of 100%
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Programming the Default Parameters
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Access Advanced Program
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Parameters
2.7
2.8
2.9
3.02
3.10
3.20
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HECTO PASCAL METER & GASVALVE ADJUSTMENTS
AOS pages 15-18
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Offsets
AOS Pages 33-38
AOSQ
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Error Codes
AOSQ Page 8
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Main Board
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AOS OVEN RANGE:WIRING DIAGRAM
POWER BOARDPOWER BOARD
RELAYSRELAYS
INPUTSINPUTS
OUTPUTSOUTPUTS
AUXILIARYAUXILIARY
HEATING ELEMENTS HEATING ELEMENTS GAS OR ELECTRICGAS OR ELECTRIC
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AOS OVEN RANGE:WIRING DIAGRAM
THE WIRING DIAGRAM COULD BE DIVIDED IN THE FOLLOW GROUPS:
- CAVITY MOTOR
- BOILER HYDRAULIC SYSTEM
- HEATING ELEMENT ELECTRIC OR GAS
- CLEANING SYSTEM (LEV. A/C)
- CAVITY FLAP FOR HUMIDITY CONTROL
- COOLING FAN
- CAVITY LAMP
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AOS OVEN RANGE:CAVITY MOTOR
CAVITY CAVITY MOTORMOTOR
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AOS OVEN RANGE:CAVITY MOTOR
MOTORMOTOR6 GN 1/16 GN 1/110 GN 1/110 GN 1/120 GN 1/120 GN 1/1
MOTORMOTOR10 GN 2/110 GN 2/120 GN 2/120 GN 2/1
DATA PLATEDATA PLATE DATA PLATEDATA PLATE
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AOS OVEN RANGE:BOILER HYDRAULIC SYSTEM
BOILER WATER VALVEBOILER WATER VALVE
FAST FILLINGFAST FILLING
SLOW FILLINGSLOW FILLING
BOILER DRAIN VALVEBOILER DRAIN VALVE
WATER LEVEL PROBESWATER LEVEL PROBES
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AOS OVEN RANGE:BOILER HYDRAULIC SYSTEM
BOILER WATER VALVEBOILER WATER VALVEFAST FILLINGFAST FILLINGSLOW FILLINGSLOW FILLING
BOILER DRAIN BOILER DRAIN VALVEVALVE
TRIPOLAR CABLETRIPOLAR CABLE
S=SAFETYS=SAFETY
L=WORKL=WORK
T=GROUNDT=GROUND
POWER BOARDPOWER BOARD
WATER LEVEL PROBEWATER LEVEL PROBEBOILERBOILER
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AOS OVEN RANGE:BOILER DRAIN VALVE
CLOSEDCLOSED
OPENOPEN
COMCOM
MANUAL DRAIN MANUAL DRAIN
1.1. Is possible to activate the manual drain Is possible to activate the manual drain for the boilier by pushing the button on for the boilier by pushing the button on control panel for 1,5 secondscontrol panel for 1,5 seconds
During the opening phase the led under During the opening phase the led under the button is on, during the closing the button is on, during the closing phase the led blink. Each phase takes phase the led blink. Each phase takes 60 seconds to complete.60 seconds to complete.
AUTOMATIC DRAINAUTOMATIC DRAIN
1.1. It’s controlled by two parameter: boiler It’s controlled by two parameter: boiler working time (15 minutes), boiler water working time (15 minutes), boiler water temperature (122 °F). When the boiler temperature (122 °F). When the boiler works more than 15 minutes and the works more than 15 minutes and the water inside is below 122°F the water inside is below 122°F the automatic drain will be activated. The automatic drain will be activated. The complete phase is 2 minutes long.complete phase is 2 minutes long.
During drain phase “OPEN” message.During drain phase “OPEN” message.
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AOS OVEN RANGE ELECTRIC:FUNCTIONAL DIAGRAM COMBI MODE
TEMPERATURETEMPERATURE LAMBDALAMBDA WATER LEVELWATER LEVEL
HEATING HEATING ELEMENTELEMENT
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AOS OVEN RANGE ELECTRIC:Components
BOILER HEATING ELEMENTBOILER HEATING ELEMENT
CAVITY HEATING ELEMENTCAVITY HEATING ELEMENT
CONTACTORSCONTACTORS
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AOS OVEN RANGE GAS:FUNCTIONAL DIAGRAM COMBI MODESTEP 1: PCB to Flame control device (FCD)
CAVITY FLAME CONTROL DEVICECAVITY FLAME CONTROL DEVICE
TEMPERATURETEMPERATURE LAMBDALAMBDA WATER LEVELWATER LEVEL
BOILER FLAME CONTROL DEVICEBOILER FLAME CONTROL DEVICE
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AOS OVEN RANGE GAS:FUNCTIONAL DIAGRAM COMBI MODESTEP 2: FCD to PCB and BLOWER 230V
CAVITY BLOWERCAVITY BLOWER
CAVITY FLAME CONTROL DEVICECAVITY FLAME CONTROL DEVICE
TEMPERATURETEMPERATURE LAMBDALAMBDA WATER LEVELWATER LEVEL
BOILER BLOWERBOILER BLOWER
BOILER FLAME CONTROL DEVICEBOILER FLAME CONTROL DEVICE
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AOS OVEN RANGE GAS:FUNCTIONAL DIAGRAM COMBI MODESTEP 3: PCB to BLOWER PWM at start point
CAVITY BLOWERCAVITY BLOWER
CAVITY FLAME CONTROL DEVICECAVITY FLAME CONTROL DEVICE
TEMPERATURETEMPERATURE LAMBDALAMBDA WATER LEVELWATER LEVEL
BOILER BLOWERBOILER BLOWER
BOILER FLAME CONTROL DEVICEBOILER FLAME CONTROL DEVICE
PWM SIGNALPWM SIGNAL
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AOS OVEN RANGE GAS:FUNCTIONAL DIAGRAM COMBI MODESTEP 4: FCD to GAS VALVE AND IGNITION SPARK
CAVITY BLOWERCAVITY BLOWER
CAVITY FLAME CONTROL DEVICECAVITY FLAME CONTROL DEVICE
TEMPERATURETEMPERATURE LAMBDALAMBDA WATER LEVELWATER LEVEL
BOILER BLOWERBOILER BLOWER
BOILER FLAME CONTROL DEVICEBOILER FLAME CONTROL DEVICE
PWM SIGNALPWM SIGNAL
GAS VALVE AND GAS VALVE AND IGNITION SPARKIGNITION SPARK
GAS VALVE AND GAS VALVE AND IGNITION SPARKIGNITION SPARK
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AOS OVEN RANGE GAS:FUNCTIONAL DIAGRAM COMBI MODESTEP 5: FCD DETECTION FLAME
CAVITY BLOWERCAVITY BLOWER
CAVITY FLAME CONTROL DEVICECAVITY FLAME CONTROL DEVICE
TEMPERATURETEMPERATURE LAMBDALAMBDA WATER LEVELWATER LEVEL
BOILER BLOWERBOILER BLOWER
BOILER FLAME CONTROL DEVICEBOILER FLAME CONTROL DEVICE
PWM SIGNALPWM SIGNAL
DETECTION FLAMEDETECTION FLAME
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AOS OVEN RANGE GAS:FUNCTIONAL DIAGRAM COMBI MODE
CAVITY BLOWERCAVITY BLOWER
CAVITY FLAME CONTROL DEVICECAVITY FLAME CONTROL DEVICE
TEMPERATURETEMPERATURE LAMBDALAMBDA WATER LEVELWATER LEVEL
BOILER BLOWERBOILER BLOWER
BOILER FLAME CONTROL DEVICEBOILER FLAME CONTROL DEVICE
PWM SIGNALPWM SIGNAL
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AOS OVEN RANGE GAS:Components
PWM PWM CONTROLCONTROL
GAS GAS BLOWERBLOWER
GAS VALVEGAS VALVE
FLAME CONTROL DEVICEFLAME CONTROL DEVICE
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AOS OVEN RANGE: CLEANING SYSTEM (LEV. A)
CAVITY TEMPERATURE PROBECAVITY TEMPERATURE PROBE
DETERGENT AND RINSE DETERGENT AND RINSE PUMPPUMP
CLEANING WATER CLEANING WATER VALVEVALVE
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AOS OVEN RANGE: CLEANING SYSTEM (LEV. A)
DETERGENT AND DETERGENT AND RINSE PUMPRINSE PUMP
CLEANING WATER CLEANING WATER VALVEVALVE
WATER PRESSURE WATER PRESSURE SWITCH: below 22 PSISWITCH: below 22 PSI
EH20 WARNING messageEH20 WARNING message
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AOS OVEN RANGE: CAVITY FLAP FOR HUMIDITY CONTROL
MOTOREDUCERMOTOREDUCER
MICROSWITCHMICROSWITCH
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THE SYSTEM CONTROLS THE CAVITY HUMIDITY THROUGH OPENING OR CLOSING THE FLAP IF THERE IS TOO MUCH OR NOT ENOUGH HUMIDITY INSIDE THE CAVITY. MICROSWITCH CONTROL THE FLAP POSITION.
AOS OVEN RANGE: CAVITY FLAP FOR HUMIDITY CONTROL
MOTOREDUCERMOTOREDUCER
CAVITY FLAPCAVITY FLAP
MOTOREDUCERMOTOREDUCER
MICROSWITCHMICROSWITCH
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AOS OVEN RANGE: COOLING FAN
COOLING FANCOOLING FAN
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AOS OVEN RANGE: COOLING FAN
THE COOLING FAN IS CONTOLLED BY A PARAMETER (SBC) AND THE TEMPERATURE SENSOR POSITIONATED IN THE MAIN PCB.
SBC parameter set for electric ovens 32°FSBC parameter set for gas ovens 32°F
COLD AIRCOLD AIR
POWER AND POWER AND USERUSER
COMPONENTSCOMPONENTS
WARM AIRWARM AIR
GAS OVEN POSITIONGAS OVEN POSITION
ELECTRIC ELECTRIC OVEN POSITIONOVEN POSITION
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AOS OVEN RANGE: CAVITY LAMP
TRANSFORMER TRANSFORMER
12 VOLTS A.C.12 VOLTS A.C.LIGHT BULBSLIGHT BULBS
12 VOLTS A.C.12 VOLTS A.C.
10 WATT10 WATT
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AOS OVEN RANGE: CAVITY LAMP
LIGHT BULBSLIGHT BULBS
LAMP LAMP HOLDERHOLDER
TRANSFORMERTRANSFORMER
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AOS OVEN RANGE: INSTALLATION
Preliminary checks:– Electrical devices
– Aeration of the kitchen
– Extraction hood or similar device
– Water
– Gas
– Drain
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AOS OVEN RANGE: INSTALLATION
Select the terminal block according to the power installed for the oven.
Electrical connection:– Electric ovens Gas ovens
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AOS OVEN RANGE: INSTALLATION Extraction hood or similar device
– ELECTRIC OVEN: under extraction hood to avoid steam evacuation
– GAS OVEN: under extraction hood to avoid steam evacuation
two type of gas combustion exhaust
TYPE A3TYPE A3 TYPE B13TYPE B13
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AOS OVEN RANGE: INSTALLATION
Gas connection
– The inlet gas pipe is always painted in yellow
Gas connection size– AOS 061 – 062 – 101 – 102 : 1/2 inch
– AOS 201 – 202 : 1 inch
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AOS OVEN RANGE: INSTALLATION Water connection pressure: 22 to 36 psi (150-250 kPa); higher pressure values result in increased water consumption
11 22
1 BOILER1 BOILER 2 CLEANING2 CLEANING
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AOS OVEN RANGE: INSTALLATION
How to choose water treatment:– 4 tests:
– pH– Chloride (ppm) related to corrosion– Conductivity (μS/cm)– Hardness (ppm)
– Water conductivity: the correct range is 50 ÷ 2000 μS/cm
< 50 μS/cm: boiler overfilling
> 2000 μS/cm: boiler can work in dry condition, false detection of water.
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CONDUCTIVITY
Electrical Conductivity is the ability of a solution to transfer (conduct) electric current. It is the reciprocal of electrical resistivity (ohms). Therefore conductivity is used to measure the concentration of dissolved solids which have been ionized in a polar solution such as water. The unit of measurement commonly used is one millionth of a Siemen per centimeter (micro-Siemens per centimeter or µS/cm).
This is also commonly referred to as “MEGA-OHMS”.
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AOS OVEN RANGE: INSTALLATION DRAIN SYSTEM : AIR BREAK
ONLY LEVEL A OVEN
The oven drain circiut has a device call AIR BREAK in order to avoid the possibility of a back flow into the cavity from drainage. ONLY the MAIN DRAIN MUST be connected The SAFETY DRAIN MUST BE SEPARATED FROM THE MAIN DRAIN.AIR BREAK device has a inspection hole that can be used to maintain it clean.
CAVITY STEAM EXHAUSTCAVITY STEAM EXHAUST
CAVITY DRAINCAVITY DRAIN
BY PASSBY PASS
STEAM CONDENSER DEVICESTEAM CONDENSER DEVICE
BOILER DRAINBOILER DRAIN
MAIN MAIN DRAINDRAIN
SAFETY DRAINSAFETY DRAIN
OVER FLOWOVER FLOWOVER FLOWOVER FLOW
INSPECTIONINSPECTION
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AOS OVEN RANGE: INSTALLATION DRAIN SYSTEM INSTALLATION
ONLY LEVEL A OVEN
MAIN DRAIN connected
SAFETY DRAIN separated and free
The picture show the right drain system installation
MAIN DRAINMAIN DRAIN
SAFETY DRAINSAFETY DRAIN
FREEFREE
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AOS OVEN RANGE: INSTALLATION DRAIN SYSTEM
CAVITY DRAINCAVITY DRAIN
MAIN MAIN DRAINDRAIN
NOT NOT USEDUSED
STEAM CONDENSER DEVICESTEAM CONDENSER DEVICE
NOT NOT USEDUSED
CAVITY STEAM EXHAUSTCAVITY STEAM EXHAUST
ONLY LEVEL C OVEN