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4

English

(*1) Refrigerant charge at factory shipment

3. WHAT TO DO BEFORE OPERA-

TION

This operation manual is for the following system 
with standard control. Before initiating operation, 
contact your Daikin dealer for the operation that cor-
responds to your system type and mark.

If your installation has a customized control system, 
ask your Daikin dealer for the operation that corre-
sponds to your system.

Outside units 

(Refer to figure 1)

Heat pump system

• Switchover to cooling or heating operation is 

performed for each outside unit.

• This is a system to perform air-conditioning by 

exchanging the heat with chilled water or 
warmed water being sent from a boiler or solar 
system, etc. through a <outside unit> which cor-
responds to the conventional outdoor unit.

Heat recovery system

• Switchover to cooling or heating operation is 

performed for each BS unit.

• This is a system to perform air-conditioning by 

exchanging the heat with chilled water or 
warmed water being sent from a boiler or solar 
system, etc. through a <outside unit> which cor-
responds to the conventional outdoor unit.

Names and functions of parts (Refer to figure 1)

1. Closed cooling tower
2. Boiler
3. Outside unit
4. Indoor unit
5. BS unit (For cool/heat changeover)

4. REMOTE CONTROLLER AND 

COOL/HEAT SELECTOR: NAME 
AND FUNCTION OF EACH 
SWITCH AND DISPLAY 
(Refer to figure 2 and 3)

COOL/HEAT SELECTOR is used to switch between 
cooling and heating for each outside unit or BS unit.

1. On/off button

Press the button and the system will start. Press 
the button again and the system will stop.

2. Operation lamp (red)

The lamp lights up during operation.

3. Display 

(changeover under control)

It is impossible to changeover heat/cool with the 
remote controller which display this icon.

4. Display 

 (air flow flap)

Refer to the chapter “Operation procedure - 
Adjusting the air flow direction”.

5. Display 

 (ventilation/air cleaning)

This display shows that the total heat exchanger 
unit (Heat Reclaim Ventilation) are in operation. 
(these are optional accessories)

6. Display 

 (set temperature)

This display shows the temperature you have set.

7. Display 

 

 

 

 

(operation mode)

This display shows the current operation mode.

8. Display 

 (programmed time)

This display shows the programmed time of the 
system start or stop.

Model

System name
Independent unit

RWEYQ18PY1

RWEYQ8PY1

RWEYQ10PY1

RWEYQ20PY1
RWEYQ10PY1
RWEYQ10PY1

RWEYQ24PY1

RWEYQ8PY1
RWEYQ8PY1
RWEYQ8PY1

Power supply

Phase

-

3N

~

3N

~

3N

~

Frequency

(Hz)

50

50

50

Voltage

(V)

380-415

380-415

380-415

Nominal cooling capacity

(kW)

49.1

53.4

67.2

Nominal heating capacity

(kW)

56.5

63.0

75.0

Dimensions H×W×D

(mm)

1000×780×550

+1000×780×550

1000×780×550

+1000×780×550

1000×780×550

+1000×780×550

+1000×780×550

Mass

(kg)

149+150

150+150

149+149+149

Refrigerant

type

-

R410A

R410A

R410A

charge 

(*1)

(kg)

3.5+4.2

4.2+4.2

3.5+3.5+3.5

Design pressure

refrigerant high side

(bar)

40

40

40

(MPa)

4.0

4.0

4.0

refrigerant low side

(bar)

25

25

25

(MPa)

2.5

2.5

2.5

water side

(bar)

19.6

19.6

19.6

(MPa)

1.96

1.96

1.96

Model

System name
Independent unit

RWEYQ26PY1

RWEYQ8PY1
RWEYQ8PY1

RWEYQ10PY1

RWEYQ28PY1

RWEYQ8PY1

RWEYQ10PY1
RWEYQ10PY1

RWEYQ30PY1
RWEYQ10PY1
RWEYQ10PY1
RWEYQ10PY1

Power supply

Phase

-

3N

~

3N

~

3N

~

Frequency

(Hz)

50

50

50

Voltage

(V)

380-415

380-415

380-415

Nominal cooling capacity

(kW)

71.5

75.8

80.1

Nominal heating capacity

(kW)

81.5

88.0

94.5

Dimensions H×W×D

(mm)

1000×780×550

+1000×780×550
+1000×780×550

1000×780×550

+1000×780×550
+1000×780×550

1000×780×550

+1000×780×550
+1000×780×550

Mass

(kg)

149+149+150

149+150+150

150+150+150

Refrigerant

type

-

R410A

R410A

R410A

charge 

(*1)

(kg)

3.5+3.5+4.2

3.5+4.2+4.2

4.2+4.2+4.2

Design pressure

refrigerant high side

(bar)

40

40

40

(MPa)

4.0

4.0

4.0

refrigerant low side

(bar)

25

25

25

(MPa)

2.5

2.5

2.5

water side

(bar)

19.6

19.6

19.6

(MPa)

1.96

1.96

1.96

Cool/Heat selector

Operation modes

Inverter series

Heat pump system

 yes   

 no

Heat recovery system

 yes   

 no

C

01_EN_3P153897-7L.fm  Page 4  Friday, July 11, 2008  1:58 PM

Summary of Contents for VRV-WIII RWEYQ8PY1

Page 1: ...ystem air conditioner Betriebsanweisung VRVWIII System Klimaanlage Manuel d utilisation Conditionneur d air VRVWIII System Manual de operaci n Sistema de acondicionador de aire VRVWIII Manuale d uso C...

Page 2: ...as referencias Asimismo si lo desea puede consultar detalles sobre la unidad interior en el manual de funcionamiento pro vistoconlamisma Guardeel manualdefuncionamientoconlaunidad interior y con este...

Page 3: ...1 4 3 NOT AVAILABLE 2 5 6...

Page 4: ...8 7 1 7 2 7 3 Double flow Ceiling Suspended Wall Mounted Multi flow Corner 13 9 10 11 12 14 Heat pump system Heat recovery system...

Page 5: ...to it whenever neces sary If the equipment is transferred to a new user be sure also to hand over the manual WARNING Be aware that prolonged direct exposure to cool or warm air from the air conditione...

Page 6: ...solvents such as paint thinner The use of organic solvents may cause crack dam age to the product electric shocks or fire Be sure to use a dedicated power supply for the air conditioner The use of any...

Page 7: ...bout checking and adjustment of internal parts Do not leave the remote controller wherever there is a risk of wetting If water gets into the remote controller there is a risk of electrical leakage and...

Page 8: ...e air flow direction 5 Display ventilation air cleaning This display shows that the total heat exchanger unit Heat Reclaim Ventilation are in operation these are optional accessories 6 Display set tem...

Page 9: ...ditioning selector switch Set the switch to for fan only operation or to for heating or cooling operation 24 Cool heat changeover switch Set the switch to for cooling operation or to for heating opera...

Page 10: ...eration mode cool heat changeover is automatically performed Press the on off button The operation lamp lights up and the system starts operation FOR SYSTEMS WITH COOL HEAT SELECTOR Refer to figure 4...

Page 11: ...ing operation mode with the Cool Heat selector Press the operation mode selector button sev eral times and select program dry Press the on off button The operation lamp lights up and the system starts...

Page 12: ...hown in figure 14 it is necessary to designate one of the remote con trollers as the master remote controller Only the master remote controller can select heating automatic or cooling operation The di...

Page 13: ...he air blow directly to a person Make sure that the inlet and outlet of the indoor unit are not clogged 8 MAINTENANCE 8 1 HANDLING OF HEAT SOURCE WATER Requests from manufacturer Do not fail to mount...

Page 14: ...e the remote control is intercepting noise from electrical appliances other than the air conditioner and this prevents communication between the units causing them to stop Operation automatically rest...

Page 15: ...A hissing sound which is heard at the start or immediately after stopping operation This is the noise of refrigerant gas caused by flow stop or flow change 9 9 DUST COMES OUT OF THE UNIT When the uni...

Page 16: ...r failure Wait until power is restored If power failure occurs during operation the system automatically restarts immediately after the power supply is recovered Check if no fuse has blown Turn off th...

Page 17: ...comes in contact with the combustible air in the equipment such as fan heater stove oil gas cooker etc it will cause toxic gas to be generated When a refrigerant leakage failure has been repaired conf...

Page 18: ...ection fees etc Depending on the content of the maintenance and inspection contract the inspection and maintenance cycles may in reality be shorter than those listed here Shortening of maintenance cyc...

Page 19: ...d the refrigerant in accordance with chlorofluoro carbon collection and destruction law Where to call For after sales service etc consult with your dealer Warranty period This product includes a warra...

Page 20: ...3P153897 7L EM08A054 0808 HT...

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