Daikin REYQ120PYDN 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 REYQ120PYDN Specifications

General

Category	Heat Pump
Model	REYQ120PYDN
Cooling Capacity	12.0 kW
Heating Capacity	13.5 kW
Refrigerant	R-32
Power Supply	380-415V, 3Ph, 50Hz
Sound Pressure Level (Outdoor Unit)	52 dB(A)

Summary

SAFETY CONSIDERATIONS

Symbol Definitions

Explains the meaning of danger, warning, and caution symbols used in the manual.

SPECIFICATIONS

WHAT TO DO BEFORE OPERATION

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

1. On/off button

Controls the starting and stopping of the system operation.

2. Operation lamp (red)

Indicates when the unit is operating.

Remote Controller Displays and Controls

Details functions of various displays and control buttons on the remote controller.

OPERATION RANGE

OPERATION PROCEDURE

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

Explains how to select cooling, heating, automatic, or fan only modes.

ADJUSTMENT

Details how to adjust temperature, fan speed, and air flow direction.

Defrost operation

Explains the defrost operation during heating to prevent freezing.

Hot start

Describes preventing cold air blow at the start of heating operation.

6-2 PROGRAM DRY OPERATION

Explains the program dry function for dehumidification.

6-3 ADJUSTING THE AIR FLOW DIRECTION

Details how to adjust the air flow direction for various settings.

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

Explains how to program start and stop times for the system.

6-5 SETTING THE MASTER REMOTE CONTROLLER

Describes how to designate a master remote controller for system operation.

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

Precautions for group or dual remote controller systems.

OPTIMUM OPERATION

SEASONAL MAINTENANCE

8-1 AT THE BEGINNING OF THE SEASON

Steps for checking and cleaning the unit at the start of the season.

8-2 AT THE END OF THE SEASON

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

FOLLOWING SYMPTOMS ARE NOT AIR CONDITIONER TROUBLES

9-1 THE SYSTEM DOES NOT OPERATE

Explains why the system might not start immediately.

9-2 IT STOPS SOMETIMES

Explains common reasons for the system stopping and restarting.

9-3 COOL/HEAT CANNOT BE CHANGED OVER

Explains issues with changing between cooling and heating modes.

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

Addresses situations where fan works but cooling/heating does not.

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

Explains fan speed not matching setting during heating.

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

Explains fan direction not matching remote control display.

9-7 WHITE MIST COMES OUT OF THE UNIT

Explains the appearance of white mist from indoor and outdoor units.

9-8 NOISE OF AIR CONDITIONERS

Describes normal and abnormal noises from indoor and outdoor units.

9-9 DUST COMES OUT OF THE UNIT

Explains why dust may come out of the unit.

9-10 THE UNITS CAN GIVE OFF ODOURS

Explains why the units may emit odors.

9-11 THE OUTSIDE UNIT FAN DOES NOT ROTATE

Explains why the outside unit fan speed is controlled.

9-12 THE DISPLAY SHOWS "80"

Explains the meaning of the "80" display after power-on.

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

Explains why the compressor or fan may not stop immediately.

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

Explains why the outside unit may be warm after stopping.

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

Explains why hot air is felt even when the unit is stopped.

9-16 DOES NOT COOL VERY WELL

Addresses issues with cooling performance.

TROUBLE SHOOTING

WARNING

Safety warning for stopping operation and shutting off power.

If the system does not operate at all;

Troubleshooting steps for when the system does not operate at all.

If the system stops soon after starting the operation;

Troubleshooting steps for when the system stops shortly after starting.

The system operates but cooling or heating is insufficient;

Troubleshooting steps for insufficient cooling or heating.

After-sales service and warranty

Information regarding after-sales service and warranty details.