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DX-coil and humidifier VKM–GM seriesVKM–G seriesDX-coil
NEW
Combined Air Conditioning and Ventilationfor Energy Efficiency and Comfort
H e a t R e cla im V e ntila tio n
V K M -G (M ) s e r ie s
Combined Air Conditioning and Ventilationfor Energy Efficiency and Comfort
PCH0439
The specifications, designs, and information in this brochure are subject to change without notice.
All rights reservedPrinted in Japan 12/04/000c
DealerHead Office:Umeda Center Bldg., 4-12, Nakazaki-Nishi2-chome, Kita-ku, Osaka, 530-8323 Japan
Tokyo Office:JR Shinagawa East Bldg., 18-1, Konan2-chome, Minato-ku, Tokyo, 108-0075 Japan
http://www.daikin.com/global/
1. Air conditioners should not be installed in areas where corrosive gases, such as acid gas or alkaline gas, are produced.2. If the outdoor unit is to be installed close to the sea shore, direct exposure to the sea breeze should be avoided and choose an outdoor unit with anti-corrosion treatment.
Cautions on product corrosion
Warning Ask a qualified installer or contractor to install this product. Do not try to install the product yourself. Improper installation can result in water or refrigerant leakage, electrical shock, fire or explosion.Use only those parts and accessories supplied or specified by Daikin. Ask a qualified installer or contractor to install those parts and accessories. Use of unauthorized parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage, electrical shock, fire or explosion.Read the User's Manual carefully before using this product. The User's Manual provides important safety instructions and warnings. Be sure to follow these instructions and warnings.
For any inquiries, contact your local distributor.
All Daikin Industries locations and subsidiaries in Japan have received environmental management system standard ISO 14001 certification.
Daikin Industries, Ltd.Domestic GroupCertificate Number. EC99J2044
ISO 14001 is the standard defined by the International Organization for Standardization (ISO) relating to environmental management systems. Our group has been acknowledged by an internationally accredited compliance organisation as having an appropriate programme of environmental protection procedures and activities to meet the requirements of ISO 14001.
About ISO 14001The air conditioners manufactured by Daikin Industries have received ISO 9001 certification for quality assurance.
Certificate Number. JMI-0107JQA-0495JQA-1452
Lineup
Efficient outdoor air introduction and temperature adjustment to suit conditions indoors. This is realized by heat exchanger and energy saving technology unique to Daikin. The lineup now includes models with a humidifier, responding to diversifying customer requirements. The features you expect from Daikin are there. The DX-coil contributes to the prevention of cold airflow hitting people directly during heating operation. High static pressure enhances design flexibility. All these cutting-edge technologies are packed in an integrated compact body. Daikin, the top provider of high quality indoor air, offers even more comfortable environment.
HRV (VKM) introduces fresh outdoor air with minimum heat losses, while a wide variety of features respond to customer requirements.
Efficient outdoor air introduction is possibleDuring simultaneous heating and humidifying operation.
Type
DX-Coil & Humidifier
DX-Coil
500
VKM50GMV1
VKM50GV1
1000
VKM100GMV1
VKM100GV1
800
VKM80GMV1
VKM80GV1
Airflow
Components of Indoor Air Quality
HRV(VKM)
The new HRV lineup features the DX-coil in response torecently diversifying outdoor air introduction requirements.
HumidifierHumidifier
DX-coil DX-coil
High static pressureHigh static pressure
New features
The lineup now includes models with a humidifier, in respone to diversifying customer requirements.
The HRV features DX-coil that contributes to the prevention of cold airflow hitting people directly during heating operation, due to the after-cool, after-heat operations done beforehand.
Higher external static pressure means enhanced design flexibility.
Ventilation Humidification
1 2
ø200Pipe
length
Air flow rate (m3/h)
Operating air flow rate range
400 500
20m
0
70
Ultra High
700
Low50
80
350
600
40m
60
VKM50GMV1
60m
80m
300
100
400
Exte
rnal
sta
tic p
ress
ure
(Pa)
Exchange efficiency
100 300
200
150
90 (%)
200
250
High
Enthalpy exchange efficiency (heating)
Temperature exchange efficiencyEnthalpy exchange efficiency (cooling)
Efficient fan performance produces a high static pressureDesign flexibility
Unique control system
Design flexibility
A compact unit packed with Daikin’s cutting-edge technologies
Independent operation possible
Operable outdoor temperature down to –15°C
Quiet operation
Independent operation of HRV (VKM) type indoor unit is possible (on/off control only) by connecting an optional remote controller.
If the outdoor air suction temperature falls below –10°C, the unit changes to intermittent operation to prevent freezing of the heat exchanger element and dew condensation within the unit.
Intermittent operation A thermistor (standard equipment) within the unit detects the outdoor air temperature. Unit operation varies according to the detected temperature.
Reduced pressure loss and quieter operation internally lowers the noise output of the VKM50GMV1 system to 35/36 dB (220–240 V, 50 Hz).
The heat exchange element uses a High Efficiency Paper (HEP) that has superior moisture-absorption and humidifying properties and doubles the current efficiency of moisture absorption. The heat exchange unit speedily recovers heat contained as latent heat (vapor). The element is made of a material with superior flame-resistant properties and is treated with an anti-molding agent.
Utilizing the principle of capillary action, water is permeated throughout the humidifier element. The heated air from the DX-coil goes through the humidifier and absorbs the moisture.
Humidifier element
NEW
NEWNEW
NEW
NEW
Proprietary Developed HEP Element
Float switchSolenoidvalve
water
Drain
AIRFLOW SA
Drain pan
Improvements to the fan, including the use of multi-arc blades, a thinner scroll and optimized fan scroll angle, help to boost efficiency.
Dramatically higher static pressure is achieved due to improved fan performance. This reduces limitations on unit placement and allows more flexibility in duct design.
NEW
Stru
ctur
e
3
Feat
ures
4
OA(Fresh air fromoutdoors)
SA(Supply air to room)
EA(Exhaust air to outdoors)
RA(Return airfrom room)
Air Supply FanElectronics Box
(Control box)
Exhaust FanHeat Exchanger Elements
DamperDamper Motor
DX-coil(Direct expansion coil)
NEW
The use of multiple, overlapping arc-shaped fan blades makes it possible to optimize the chord length and blade-outlet angle. This results in higher static pressure and quieter operation over the entire usage range.
Multi-arc blades
α
θ
Higher static pressureand reduced noise
The use of a thinner scroll makes it possible to rectify the rotating currents within the scroll.
Resin scroll
Rotating currentsfor reduced loss
In addition to increasing the scroll wrap angle θ and boosting the static pressure, the outflow angle α has been optimized to reduce pressure loss in the outflow area.
Fan scroll angle
Higher static pressureand reduced pressure loss
The fan diameter has been increased and the blade width optimized to suit, resulting in higher static pressure.
Double suction
Higher staticpressure
The VRV IIoutdoor unit
Indoor unit remote control
Indoor unit remote control
Indoor unit remote control
HRV (VKM) HRV (VKM) HRV (VKM)
30.6°C62% RH 27.4°C
63% RH
26°C50% RH
Integrally-formed liner
Indoor
SA
RA
Outdoor
32°C70% RH
Integrally-formed liner
Temperatureand humidity
RA
SA
Operation of the heat exchanger element
Integrated system includes ventilation and humidifying operations
Easy installation + Space saving
Easy operationVentilation, cooling/heating and humidifying are possible with one remote controller.
Indoor unit connectable to up to 130% of the capacity of the outdoor units
Design flexibility
Energy saving
Energy saving
Night Purge Operation
Automatic changeover to efficient operation patterns
Energy savingEfficient outdoor air introduction with heat exchangerand cooling/heating operation
Night purge is an energy-conserving function that works at night when air conditioners are off. By ventilating rooms containing office equipment that raises the room temperature, night purge reduces the cooling load when air conditioners are turned on in the morning.• Night purge only works to cool and if connected to
Building Multi or VRV systems. • Night purge is set to “off” in the factory settings, so if
you wish to use it, request your dealer to turn it on.
Operation automatically changes to the optimum pattern to suit conditions.
NEW
NEW
NEW
NEW
Rather than using separate ventilation and humidifying components, the system incorporating HRV (VKM) integrates all functions, reducing the total number of indoor units and facilitating a far simpler system. The installation space becomes smaller and the labor required for installation and maintenance is reduced significantly.
Various air conditioner functions can be managed using a single remote control. This makes it easy to obtain high-quality and energy-efficient outdoor air treatment.
Feat
ures
5
Feat
ures
6
Design flexibilitySlim design
The slim design of only 387 mm in height enables installation inside ceilings with less than 407 mm of clearance.
Heatsources
Purge
n Indoor unit with outdoor air treatmentHeating and cooling
+
+heat recovery
humidifying
–5 0 5 10 15 20Dry bulb temperature (°CDB)
25 30 35 40
Rel
ativ
e hu
mid
ity (%
)
20
40
6080100
Effect of full heat exchangeEffect of full heat exchange
Effect of full heat exchangeEffect of cooling
Outdoor air temperature in summer
Indoor temperature during heatingIndoor temperature during cooling
Outdoor air temperature in winter Effect of heatingEffect of heating
Effect of humidification
The VRV IIoutdoor unit
Indoor unitremote control
Link connection
Control of the HRV (VKM) type indoor unit is managed using the remote controller of the standard indoor units connected.
During group control operation, the unit has a capacity equivalent to two standard indoor units. Up to 16 standard indoor units can be connected at once.
l Conventional system
l New systemThe VRV IIoutdoor unit
Standard indoor unitHRV (VKM)
HRV (VKM)
Standard indoor unit
HRV Humidifier(Field supply)Outdoor
unit
Ventilation, air conditioning,and humidifying in a single system
One fewerunit!
Using outdoor air, the temperature can be brought near room temperature with minimal cooling capacity through the use of outdoor air.
Exhaust fan
Air supply fan DX-coil (cooling)
DamperHeat exchanger element
(heat recovery)
EA
OA
RA
SA
HumidifyingDX-coil (heating)
Heat exchanger element (heat recovery)
EA
OA
RA
SA
EA
OA
RA
SA
Cooling In between (bypass ventilation) Heating
Automaticchangeover
Automaticchangeover
387 mm
Model Line Up
Clean
7
Mod
el L
ine
Up
8
ø250Pipe
length
Air flow rate (m3/h)
500
Ultra High 50
200
40mLow
300
400
100 60m
6000
200
80
1000
100m
60
70
20m
VKM80GMV1
800
400
High 80m
90 (%)
Exte
rnal
sta
tic p
ress
ure
(Pa)
Operating air flow rate range
Enthalpy exchange efficiency (heating)
Enthalpy exchange efficiency (cooling)
Temperature exchange efficiency
Air flow rate (m3/h)
ø250Pipe
length100m
1200400
20m
60m
200
70
60
600 1000
80m
0
40m
Ultra High
Low100
200
500
300
High
800
VKM100GMV190 (%)
400
80
Exte
rnal
sta
tic p
ress
ure
(Pa)
Operating air flow rate range
Exchange efficiencyExchange efficiencyExchange efficiency
Exchange efficiencyExchange efficiencyExchange efficiency
Enthalpy exchange efficiency (cooling)
Enthalpy exchange efficiency (heating)
Temperature exchange efficiencyø200Pipe
length
Air flow rate (m3/h)
Operating air flow rate range
400 500
20m
0
70
Ultra High
700
Low50
80
350
600
40m
60
VKM50GMV1
60m
80m
300
100
400
Exte
rnal
sta
tic p
ress
ure
(Pa)
100 300
200
150
90 (%)
200
250
High
Enthalpy exchange efficiency (heating)
Temperature exchange efficiencyEnthalpy exchange efficiency (cooling)
Air flow rate (m3/h)
ø250Pipe
length
40m
80m
60m
100m
VKM100GV1
20m
1200400200
70
60
600 10000
Ultra High
Low100
200
500
300
High
800
90 (%)
400
80
Exte
rnal
sta
tic p
ress
ure
(Pa)
Operating air flow rate range
Enthalpy exchange efficiency (cooling)
Enthalpy exchange efficiency (heating)
Temperature exchange efficiencyø200Pipe
length
Air flow rate (m3/h)
20m
40m
60m
80m
Operating air flow rate range
400 5000
70
Ultra High
700
Low
50
80
350
600
60300
100
400
Exte
rnal
sta
tic p
ress
ure
(Pa)
100 300
200
150
90 (%)
200
250
High
VKM50GV1Enthalpy exchange efficiency (heating)
Temperature exchange efficiencyEnthalpy exchang efficiencye (cooling)
ø250Pipe
length
Air flow rate (m3/h)
80m
20m
100m
60m40m
VKM80GV1
500
Ultra High 50
200
Low
300
400
100
6000
200
80
1000
60
70
800
400
High
90 (%)
Exte
rnal
sta
tic p
ress
ure
(Pa)
Operating air flow rate range
Enthalpy exchange efficiency (heating)
Enthalpy exchange efficiency (cooling)
Temperature exchange efficiency
Air supply
Normalventilation fanAir exhaust
HRV (VKM)Portion of fresh-up operation
ex. Office
Fresh-up OperationThe user can select between two fresh-up modes using the remote controller.
Preventing Dust from Falling with Directly Mounted Ducts
A sign is displayed on the remote controller when the air filter needs cleaning.
OFF Dust
W i t h C o m p e t i t o r s ' P r o d u c t sWhen conventional total heat exchange units, which are independently operated using a dedicated remote controller, are directly connected by a duct, there is a possibility of dust falling from the air filter of the indoor unit when the air conditioner is OFF.
W ith the H R V (V K M )When the HRV (VKM) is operating independently, the fan in an interlocked indoor unit continues turning, so dust does not fall from the air filter.
Blowing mode No dust is blown out.
S upply F re s h-up: Raising the air supply maintains proper room pressure to prevent back-flow of toilet/kitchen odors or moisture inflow.
E x ha us t F re s h-up: Raising exhaust air decreases room pressure to prevent the leaking of odors or floating bacteria into other rooms.
Portion of exhaust operation
Air supply
Air exhaust
Sick room Floor area
ex. Hospital
HRV (VKM)VKM50GMV1 VKM80GMV1 VKM100GMV1
DX-Coil & Humidifier (VKM50GMV1, VKM80GMV1, VKM100GMV1)
VKM50GV1 VKM80GV1 VKM100GV1
DX-Coil (VKM50GV1, VKM80GV1, VKM100GV1)
SpecificationsD
imen
sion
s
9
Spec
ifica
tions
10
4-14 x 40 oval holeHanger bracket
4-14 x 40 oval holeHanger bracket
Supply air to roomSA
Return air from roomRA
Supply air to roomSA
Return air from roomRA
(For humidifier) *1Maintenance cover(Natural evaporative type) *1Humidifier
Solenoid valve *1
(For humidifier)Maintenance cover *2
(Natural evaporative type) *2Humidifier
Solenoid valve *2
EA
(Outdoor air)Fresh air from outdoors
Exhaust air to outdoors
OA
EA
(Outdoor air)Fresh air from outdoors
Exhaust air to outdoors
OA
Control box
Maintenance Cover
Mor
e th
an 6
00
hatchInspection
hatchInspection
Control box
Maintenance Cover
Mor
e th
an 6
00
hatchInspection
hatchInspection
the air filters, fans (and humidifier)Maintenance space for the heat exchanger elements
140 (In case of n600 inspection hatch)360 (In case of n450 inspection hatch)
the air filters, fans (and humidifier)Maintenance space for the heat exchanger elements
140 (In case of n600 inspection hatch)360 (In case of n450 inspection hatch)
High efficiency filter (option)
High efficiency filter (option)
Liquid pipe connectionAir filters
(PT3/4 male screw)
(ø12.7)
(ø6.4)
connectionGas pipeHeat exchanger elements
Drain outlet
Liquid pipe connectionAir filters
(PT3/4 male screw)
(ø12.7)
(ø6.4)
connectionGas pipeHeat exchanger elements
Drain outlet
(ø6.4C1220T)Feed water connection port *1
(ø6.4C1220T)Feed water connection port *2
of the heat exchanger elements.Note *1. VKM50GMV1 only.
The high effciency filter (option) can be attached to the SA surface*(n450 or n600) at the service side of filters and elements.Be sure to provide two inspection hatch.*The specification subject to change without notice.*
of the heat exchanger elements.Note *2. VKM80/100GMV1 only.
The high effciency filter (option) can be attached to the SA surface*(n450 or n600) at the service side of filters and elements.Be sure to provide two inspection hatch.*The specification subject to change without notice.*
Note: 1. Cooling and heating capacities are based on the following conditions. Fan is based on High and Ultra-high.The figures in the parenthesis indicate the heat reclaimed from the heat recovery ventilator.When calculating the capacity as indoor units, use the following figures:VKM50GMV1/GV1: 3.5 kW, VKM80GMV1/GV1: 5.6 kW, VKM100GMV1/GV1: 7.0 kW
2. Indoor temperature: 27°C DB, 19°C WB, Outdoor temperature: 35°C DB3. Indoor temperature: 20°C DB, Outdoor temperature: 7°C DB, 6°C WB4. Humidifying capacity is based on the following conditions:
Indoor temperature: 20°C DB, 15°C WB, Outdoor temperature: 7°C DB, 6°C WB5. The operating sound measured at the point 1.5 m below the center of the unit is
converted to that measured in an anechoic chambar built in accordance with the JIS C 1502 conditions. The actual operating sound varies depending on the surrounding conditions (near running unit’s sound, reflected sound and so on) and is normally higher than this value.For operation in a quiet room, it is required to take measures to lower the sound. For details, refer to the Engineering data.
6. The noise level at the air discharge port is about 8–11 dB or higher than the unit’s operating sound.For operation in a quiet room, it is required to take measures to lower the sound.
7. Air flow rate can be changed over to Low mode or High mode.8. In case of holding full water in humidifier.9. OA: fresh air from outdoor. RA: return air from room.
10. Specifications, design and information here are subject to change without notice.11. Power consumption and efficiency depend on the above value of air flow rate. 12. Temperature exchange efficiency is the mean value for Cooling and Heating.
Efficiency is measured under the following condition: Ratio of rated external static pressure outdoor to indoor is kept constant at 7 to 1.
Feed clean water (city water, tap water or equivalent). Dirty water may clog the valve or cause dirt deposits in the water container, resulting in poor humidifier performance. (Never use any cooling tower water and heating-purpose water.)Also, if the supply water is hard water, use a water softener because of short life.* Life of humidifying element is about 3 years (4,000 hours) under the supply water
conditions of hardness: 150 mg/l. (Life of humidifying element is about 1 year (1,500 hours) under the supply water conditions of hardness: 400 mg/l.)Annual operating hours: 10 hours/day x 26 days/month x 5 months = 1,300 hours
VKM50G(M)V1
VKM80/100G(M)V1
Dimensions
Type VKM50GMV1 VKM80GMV1 VKM100GMV1 VKM50GV1 VKM80GV1 VKM100GV1Refrigerant R410APower Supply 1 phase, 220–240 V, 50 Hz
Air Flow Rate & Static Pressure (Note 7)
Ultra-highAir flow rate (m3/h) 500 750 950Static pressure (Pa) 160 140 110
HighAir flow rate (m3/h) 500 750 950Static pressure (Pa) 120 90 70
Low
Heat exchange mode
Bypass mode
Heat exchange mode
Bypass mode
Air flow rate (m3/h) 440 640 820Static pressure (Pa) 110 70 60
560490420560490420
620560470620560470
670570480670570480
Fan Motor Type Sirroco FanMotor Output kW 0.280 × 2 0.280 × 2 0.280 × 2
Sound Level (Note 5)(220–240 V)
Ultra-high (dB) 37/37.5/3835/35.5/3632/33/34
37/37.5/3835/35.5/3632/33/34
38.5/39/4036/37/37.533/34/35.538.5/39/4036/37/37.533/34/35.5
39/39.5/4037/37.5/38
34/34.5/35.539/39.5/4037/37.5/38
34/34.5/35.5
High (dB)Low (dB)Ultra-high (dB)High (dB)Low (dB)
Humidification Capacity (Note 4) (kg/h) 2.7 4.0 5.4
Temp. Exchange Efficiency
Ultra-high (%) 76 78 74High (%) 76 78 74Low (%) 77.5 79 76.5
Enthalpy Exchange Efficiency (Cooling)
Ultra-high (%) 64 66 62High (%) 64 66 62Low (%) 67 68 66
Enthalpy Exchange Efficiency (Heating)
Ultra-high (%) 67 71 65High (%) 67 71 65Low (%) 69 73 69
Casing Galvanized Steel PlateInsulating Material Self-Extinguishable Urethane FoamHeat Exchanging System Air to Air Cross Flow Tot al Heat (Sensible + Latent Heat) ExchangeHeat Exchanger Element Specially Processed Nonflammable PaperAir Filter Multidirectional Fibrous Fleece
0°C–40°C DB, 80%RH or less-15°C–40°C DB, 80%RH or less0°C–40°C DB, 80%RH or less
s
DX-coilCapacity
Cooling (Note 2) (kW)Heating (Note 3) (kW)
DimensionsHeight (mm) 387 387 387Width (mm) 1764 1764 1764Depth (mm) 832 1214 1214
500180500150440110560490420560490420
0.280 × 238/38.5/3936/36.5/37
33.5/34.5/35.538/38.5/3936/36.5/37
33.5/34.5/35.5—7676
77.5646467676769
75017075012064080
620560470620560470
0.280 × 240/41/41.537.5/38/3934.5/36/3740/41/41.537.5/38/3934.5/36/37
—787879666668717173
95015095010082070
670570480670570480
0.280 × 240/40.5/4138/38.5/3935/36/36.540/40.5/4138/38.5/3935/36/36.5
—7474
76.5626266656569
2.83.2387
1764832
96
2.83.2
4.55.0
5.66.3
4.55.0387
17641214
109—
5.66.3387
17641214
114Machine Weight Net (kg)Gross (Note 8) (kg)
102107
120129
125134
Around UnitOA (Note 9)RA (Note 9)
Unit Ambient Condition
RXYQ5–48MY1B, RXYQ5–48MAY1, REYQ8–48MY1BConnectable outdoor units
(mm)Connection Duct Diameter ø200 ø250 ø200 ø250
Ultra-high (W)High (W)Low (W)
Power Consumption
Ultra-high (W)High (W)Low (W)
210
248
42
Supply air fan
160
250
150–
153
431
Damper plate
210
878
ø250
1688387235
60
10137
20
153 24
8
Feed water tank *1
164
130
420
160
144
832
28
102
Direct expansion coil
34
137
ø196
322
20
1764515
Exhaust air fan
94
Damper plate
ø263
1262
622
144
439
28
1214
10
235
Feed water tank *2
Exhaust air fan
89
130
210
210
1688
2020
1764
ø246
42
592
153
94
439
89
34
160
Direct expansion coil
183
Supply air fan
60
153
160387
515
250
150–
102322
Centralized Control of Air Conditioning and Ventilation
Cen
traliz
ed C
ontro
l of A
ir C
ondi
tioni
ng a
nd V
entil
atio
n
11
Cen
traliz
ed C
ontro
l of A
ir C
ondi
tioni
ng a
nd V
entil
atio
n
12
• Simultaneous ON/OFF of the HRV (VKM) and air conditioner• Independent operation of the HRV (VKM)• Airflow rate switching (initial setting)• Ventilation mode switching (initial setting)• Self-diagnosis functions• Filter sign display and reset• Timer settings (simultaneous control with air conditioner)• Fresh-up mode switching (Selectable: supply rich mode, exhaust
rich mode; Initial setting)
Operation of the air conditioner using the remote controller is interlocked with operation of the HRV, greatly simplifying overall system control. The same remote controller completely centralizes air conditioning and ventilation operations, so no HRV remote controller installation work is necessary. Using a centralized remote controller also frees the user to choose from a wide range of control systems that integrate air conditioning and ventilation. By incorporating a variety of centralized control equipment, the user can build a large, high-grade centralized control system.
Group ControlOne air conditioner remote controller simultaneously controls up to 16 air conditioner and HRV (VKM) units.*1: Count HRV (VKM) unit as two air conditioners. For details, see Table 1 on page 13.
Air conditioner
Up to 16 units
*1
Up to 500 m
HRV(VKM)
Air conditioner remote controller
2-Remote-Controller ControlAllows control of air conditioner and HRV units from two places by connecting two air conditioner remote controllers. (Group control possible)
Air conditioner
Up to 500 m
HRV(VKM)
Air conditioner remote controller (No. 2)
Air conditioner remote controller (No. 1)
Long-distance Remote ControlOperation control from afar, i.e., a distant control room, is possible thanks to wiring of up to 500 m. (2-remote-controller control possible)
Air conditioner
HRV(VKM)
Air conditioner remote controller
2-remote-controller control possible
Up to 500 m
A Var iety of Control Systems That Can Be Controlled Using Only the Air Conditioner Remote Controller
Operations and Control with the Air Conditioning Remote Controller
Centralized Control System
Centralized Controller (DCS302C61)• 64 groups (zones) of indoor units can be controlled individually same as LCD Remote controller.• Max.64 groups (128 indoor units controllable)• Max. 128 groups (128 indoor units) are controllable by using 2 central remote
controllers, which can control from 2 different places. • Zone control• Malfunction code display• Max. wiring length 1,000 m (Total : 2,000 m)• Combination with Unified ON/OFF controller, schedule timer and BMS system• Airflow volume and direction can be controlled individually for indoor units in
each group operation.• Ventilation volume and mode can be controlled for Heat Reclaim Ventilation
(VKM).• Up to 4 Operation/Stop pairs can be set per day by connecting a schedule timer.
By combining the (optional) centralized control equipment below, the user can achieve a wide range of comprehensive centralized control systems for air conditioning and ventilation.
Unified ON/OFF Controller (DCS301B61)• One unit can turn ON/OFF up to 16 groups (128 units) of HRV (VKM) and air
conditioner units individually or in a batch.• Lamps display operation and failure status of the connected HRV (VKM) and air
conditioner units.• Up to 8 units can be linked to allow centralized control of up to 128 units.
Schedule Timer (DST301B61)• One unit can control the operation of up to 128 HRV (VKM) and air conditioner
units on a weekly schedule.• Can set two ON/OFF operations per day for a period of one week.
Centralized controller 2 units
Number of units that can be connected per system
Unified ON/OFF controller 8 unitsSchedule timer 1 unit
IndoorUnit
Outdoor Unit
Remote Controller
HRV (VKM)
HRV (VKM) Control SystemsVarious Control Systems According to Applications and Conditions
Maj
or H
RV C
ontro
l Sys
tem
s
13
Maj
or H
RV C
ontro
l Sys
tem
s
14
Image of group control system
Standard system
Combined system
Independent system
System Construction
Stan
dard
Sys
tem
Air C
ondi
tioni
ng In
terlo
cked
Con
trol (
VRV,
Sky
Air)
Sys
tem
System Characteristics NecessaryAccessories
• Operation is possible using 2 remote controllers.
• Multiple HRV (VKM) units can be simultaneously controlled in batch.[Up to 8 HRV (VKM) units can be connected.]
• Independent operation of HRV (VKM) is possible.
• VRV remote controller can be used.
VRV remote controller
VRV remote controller
• Multiple VRV indoor units or HRV (VKM) units can be connected and controlled in batch, with interlocked operation of HRV (VKM)s and air conditioners by using the air conditioner remote controller.
• The HRV (VKM) unit can also be operated independently using the remote controller for the indoor unit, even if the indoor unit is not in operation.
VRV remote controller
System Construction
Air
Con
ditio
ning
Inte
rlock
ed C
entr
aliz
ed C
ontr
ol S
yste
m
Bat
ch/In
divi
dual
Con
trol
Sys
tem
Zone
Con
trol
Sys
tem
System Characteristics NecessaryAccessories
[Centralized Controller]• The centralized controller
provides setting and monitoring functions, and can control up to 128 VRV and HRV (VKM) units collectively or individually.
• Multiple groups can be controlled within the same zone.
[Unified ON/OFF Controller]• One controller can control
the “ON/OFF” operation of 16 groups of units collectively or individually.
• Up to 8 controllers can be installed in one centralized transmission line (in one system), which enables control of up to 128 groups. (16 groups x 8 = 128 groups)
[Schedule Timer]• One schedule timer can
control the weekly schedule of up to 128 units.
Unified ON/OFF controller or schedule timer, VRV remote controllerWhen necessary, centralized controller
Centralized controller, VRV remote controllerWhen necessary, unified ON/OFF controller or schedule timer
Inde
pend
ent O
pera
tion
Syst
em
Inde
pend
ent
Ope
ratio
nSi
mul
tane
ous
Ope
ratio
nof
Mul
tiple
Uni
ts
0 1 2 3 VRV Up to 16 Up to 14 Up to 12 Up to 10
4 5 6 7 8 Up to 8 Up to 6 Up to 4 Up to 2 0
Note: The HRV (VKM) uses two remote control addresses per unit, and the number of units that can be group controlled are shown above.
HRV (VKM)
Indoor unit
Indoor unit
HRV (VKM)
HRV (VKM)
ON/OFF controller or schedule timer
Air conditioner remote controller
Air conditioner remote controllerAir conditioner remote controller
Air conditioner remote controller
Indoor unitZone
1Zo
ne 2
Indoor unit
HRV (VKM)
HRV (VKM)
Centralized controller
Air conditioner remote controller
Air conditioner remote controllerAir conditioner remote controllerAir conditioner remote controller
Air conditioner remote controllerAir conditioner remote controllerAir conditioner remote controller
HRV (VKM)
Air conditioner remote controller
HRV (VKM) HRV (VKM)
Air conditioner remote controller (No. 2)
Air conditioner remote controller (No. 1)
Indoor unit HRV (VKM)
Air conditioner remote controller
Table 1 Connectable indoor units
Option
15 16
Installation of Optional Products (For VKM50G (M) V1, VKM80G (M) V1, VKM100G (M) V1)
For wiring
Silencer
Air suction/Discharge grilleHigh efficiency filter
Flexible duct (1 m)Flexible duct (2 m)Duct adaptor
VKM50G(M)V1 VKM80G(M)V1 VKM100G(M)V1K-DDM24B100
250 mmK-DGL200B
—K-DGL250B
200 250YAFF241G80M YAFF241G100M
Air filter for replacement YAFF242G80M YAFF241G100MK-FDS201C K-FDS251CK-FDS202B K-FDS252C
——
—
YDFA25A1 250
Air suction/discharge grille (Option)
Branch duct(Field supply)
SA
SA
RA
EAOA
Duct(Field supply)
Flexible duct(Option)
Silencer (Option)
Round hood(Field supply)
Thermal insulation material (Field supply)
High efficient filter(Option)
Remote Controller Centralized controller Schedule timerUnified ON/OFF controller
Flexible duct(Noise suppression type) Duct adaptorSilencer Air suction/discharge grille
(Noise suppression type)
Nominal pipe diameter (mm)White
Nominal pipe diameter (mm)
Nominal pipe diameter (mm)
Member Applicable model
Addit
ional
functi
on
Central remote controllerRemote controller
Wiring adaptor for electrical appendices
Type (indoor unit of VRV)
Installation box for adaptor PCB
Unified ON/OFF controllerSchedule timer
For humidifier running ON signal outputInstallation box for adaptor PCBFor heater control kit
BRC1A62 *1
DCS302C61DCS301B61DST301B61KRP2A61KRP50-2
KRP50-2A90 (Mounted electric component assy of HRV)BRP4A50
FXCQ-M FXKQ-MFXFQ-M FXSQ-M FXHQ-M FXAQ-M FXLQ-M FXNQ-M
FXMQ-M
KRP1B61 KRP1B59 KRP1B61—Notes 2, 3KRP1B96 —Notes 2, 3
KRP1D98Note 5KRP4A91 —
Member Applicable model
Con
trollin
g de
vice
PC B
oard
Ada
ptor
Centralized controlling device
Note: 1.2.3.4.
Installation box is necessary for each adaptor marked . Up to 2 adaptors can be fixed for each installation box.Only one installation box can be installed for each indoor unit.Up to 2 installation boxes can be installed for each indoor unit.
KRP1B3—Notes 2, 3
KRP4A93Note 3KRP1C93
FXZQ-M
Notes 4, 6KRP1B101
KRP1B61 KRP1B57
FXDQ-N
Notes 4, 6KRP1B101
KRP1B56
5.6.7.
Installation box is necessary for second adaptor.Installation box is necessary for each adaptor.*1 Necessary when operating HRV (VKM) independently. When operating interlocked
with other air conditioners, use the remote controllers of the air conditioners.
EA
OA
RA
SA
Power supply (Field supply)Relay box
Temperature thermo. (Field supply)(ON when the temperature is at or below -10°C)
HRV(VKM) Heater
control kit(Field supply)
BRP4A50
Temperature thermo. (Field supply)(OFF when the temperature is at or more than 5°C)
Indoor Outdoor
PC board adaptor for heater control kit (BRP4A50)When the installation of an electric heater is required in a cold region, this adaptor with an internal timer function eliminates the complicated timer connecting work that was necessary with conventional heaters.
Examine fully the installation place and specification for using the electric heater based on the standard and regulation of each country.Supply the electric heater and safety production devices such as a relay and a thermostat, etc., of which qualities satisfy the standerd and regulation of each country at site.Use a non-inflammable connecting duct to the electric heater. Be sure to allow 2 m or more between the electric heater and HRV (VKM) for safety.For the HRV (VKM) units, use a different power supply from that of the electric heater and install a circuit breaker for each.
Notes when installing
VKM50/80/100G(M)V1