Daikin RXYQ144PTJU User Manual

System air conditioner
OPERATION MANUAL
MODEL
RXYQ72PYDN
RXYQ96PYDN
RXYQ120PYDN
RXYQ144PYDN
RXYQ168PYDN
RXYQ192PYDN
RXYQ216PYDN
RXYQ240PYDN
RXYQ72PTJU
RXYQ96PTJU
RXYQ120PTJU
RXYQ144PTJU
RXYQ168PTJU
RXYQ192PTJU
RXYQ216PTJU
RXYQ240PTJU
Read these instructions carefully before installation.
Keep this manual in a handy place for future reference.
This manual should be left with the equipment owner.
English
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REYQ72PYDN
REYQ96PYDN
REYQ120PYDN
REYQ144PYDN
REYQ168PYDN
REYQ192PYDN
REYQ216PYDN
REYQ240PYDN
REYQ72PTJU
REYQ96PTJU
REYQ120PTJU
REYQ144PTJU
REYQ168PTJU
REYQ192PTJU
REYQ216PTJU
REYQ240PTJU
00_CV_3P215731-1D.fm Page 1 Wednesday, February 6, 2008 11:34 AM

Daikin RXYQ144PTJU Specifications

General

Model	RXYQ144PTJU
Category	Heat Pump
Power Source	Electric
Type	VRV
Heating Capacity	16.0 kW
Power Supply	3 Phase, 400V
Coefficient of Performance (COP)	4.0
Refrigerant	R410A
Weight (Indoor Unit)	12 kg

Summary

1. SAFETY CONSIDERATIONS

2. SPECIFICATIONS

3. WHAT TO DO BEFORE OPERATION

4. REMOTE CONTROLLER AND COOL/HEAT SELECTOR : NAME AND FUNCTION OF EACH SWITCH AND DISPLAY

5. OPERATION RANGE

6. OPERATION PROCEDURE

6-1 COOLING, HEATING, AUTOMATIC AND FAN ONLY OPERATION

Explains how to select and operate basic cooling, heating, auto, and fan modes.

6-2 PROGRAM DRY OPERATION

Explains the program dry function for moisture removal with weak cooling.

6-3 ADJUSTING THE AIR FLOW DIRECTION

Details how to adjust the air flow direction for optimal comfort and performance.

6-4 PROGRAMMING START AND STOP OF THE SYSTEM WITH TIMER

Instructions for setting the system to start or stop automatically using the timer.

6-5 SETTING THE MASTER REMOTE CONTROLLER

Guides on designating and managing master remote controllers in a system.

6-6 PRECAUTIONS FOR GROUP CONTROL SYSTEM OR TWO REMOTE CONTROLLER CONTROL SYSTEM

Safety precautions for systems with multiple remote controllers or group control.

7. OPTIMUM OPERATION

8. SEASONAL MAINTENANCE

8-1 AT THE BEGINNING OF THE SEASON

Steps to take for preparing the unit at the start of the cooling/heating season.

8-2 AT THE END OF THE SEASON

Instructions for preparing the unit for shutdown at the end of the season.

9. FOLLOWING SYMPTOMS ARE NOT AIR CONDITIONER TROUBLES

9-1 THE SYSTEM DOES NOT OPERATE

Addresses situations where the air conditioner does not start or operate.

9-2 IT STOPS SOMETIMES

Explains why the system might stop and restart intermittently.

9-3 COOL/HEAT CANNOT BE CHANGED OVER

Explains issues related to changing between cooling and heating modes.

9-4 FAN OPERATION IS POSSIBLE, BUT COOLING AND HEATING DO NOT WORK

Describes situations where only fan operation works, but cooling/heating fails.

9-5 THE FAN STRENGTH DOES NOT CORRESPOND TO THE SETTING

Explains when fan speed settings do not appear to change as expected.

9-6 THE FAN DIRECTION DOES NOT CORRESPOND TO THE SETTING

Addresses issues where fan direction does not match the remote control display.

9-7 WHITE MIST COMES OUT OF THE UNIT

Explains the cause of white mist appearing from the indoor or outdoor unit.

9-8 NOISE OF AIR CONDITIONERS

Describes various normal operating sounds heard from the indoor and outdoor units.

9-9 DUST COMES OUT OF THE UNIT

Explains why dust might be emitted from the unit after a period of non-use.

9-10 THE UNITS CAN GIVE OFF ODOURS

Discusses how the unit can absorb and emit room odors.

9-11 THE OUTSIDE UNIT FAN DOES NOT ROTATE

Explains why the outdoor unit fan might not rotate during operation.

9-12 THE DISPLAY SHOWS "88"

Explains the meaning of the "88" display, indicating normal condition.

9-13 THE COMPRESSOR OR FAN IN THE OUTSIDE UNIT DOES NOT STOP

Explains the delay in compressor/fan stopping after operation to prevent oil issues.

9-14 THE INSIDE OF OUTSIDE UNIT IS WARM EVEN WHEN THE UNIT HAS STOPPED

Explains that the crankcase heater keeps the compressor warm for smooth starting.

9-15 HOT AIR IS EMITTED EVEN THOUGH THE UNIT IS STOPPED

Explains that residual refrigerant flow can cause warm air emission from stopped units.

9-16 DOES NOT COOL VERY WELL

Refers to program dry operation's limited cooling effect.

10. TROUBLE SHOOTING

After-sales service and warranty