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7

English

5. OPERATION RANGE

Use the system in the following temperature and 
humidity ranges for safe and effective operation.

NOTE

Cooling operation:
If the air conditioner is operated continuously while 
the indoor temperature is 70°F or below and the 
humidity is 80% or over, the interiors of the indoor 
units may cause icing and water leakage may result.

• Heating operation:

The air conditioner may stop operating for the pro-
tection of the machine if the outdoor temperature 
is 70°F or over.

6. OPERATION PROCEDURE

• Operation procedure varies according to the com-

bination of outside unit and remote controller. 
Read the chapter “What to do before operation”.

• To protect the unit, turn on the main power switch 

6 hours before operation.
And do not turn it off during the air conditioning 
season for starting operation smoothly.

• If the main power supply is turned off during oper-

ation, operation will restart automatically after the 
power turns back on again.

6-1 COOLING, HEATING, AUTOMATIC AND 

FAN ONLY OPERATION

FOR SYSTEMS WITHOUT COOL/HEAT SELEC-
TOR (Refer to figure 4)

Press the operation mode selector button sev-
eral times and select the operation mode of 
your choice;

” Cooling operation

” Heating operation

” Automatic operation

” Fan only operation

NOTE

• Automatic operation (REYQ only) 

In this operation mode, cool/heat 
changeover is automatically conducted.

• The operation mode cannot be changed with 

the remote controller whose display shows 

” (changeover under control).

Change the operation mode with the remote 
controller whose display does not show 

”.

• When the display “

” (changeover 

under control) flashes, refer to the chapter 
“6-5 SETTING THE MASTER REMOTE 
CONTROLLER”.

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 and 7)

Select operation mode with the Cool/Heat 
selector as follows:

” “

” Cooling operation 

(Refer to figure 7.1)

” “

” Heating operation 

(Refer to figure 7.2)

” 

 Fan only operation 

(Refer to figure 7.3)

Press the on/off button. 

(Refer to figure 4)

The operation lamp lights up and the system 
starts operation.

ADJUSTMENT (Refer to figure 4)

To adjust the desired temperature, fan speed 
and air flow direction (only for the remote con-
troller BRC1A51: FXF, FXH, FXA), follow the 
procedure shown below.

Press the temperature setting button and set 
the desired temperature.

Each time this button is pressed, the tem-
perature setting rises or lowers 1°F.

NOTE

• Set the temperature within the operation 

range.

• The temperature setting is impossible for fan 

only operation.

Press the fan speed control button and select 
the fan speed of your preference.

COOLING

HEATING

outdoor temperature

23°~110°FDB

0°~60°FWB

indoor temperature

57°~77°FWB

59°~80°FDB

indoor humidity

 80%

1

2

1

2

3

4

01_EN_3P215731-1D.fm  Page 7  Tuesday, February 5, 2008  6:35 PM

Summary of Contents for REYQ120PTJU

Page 1: ...2PTJU 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 F...

Page 2: ...1 RXYQ REYQ F 2 3 F F 4 5 6 7 1 7 3 7 2...

Page 3: ...F 8 9 F F 10 11 12 Ceiling Suspended Wall Mounted Double flow Multi flow Corner Ceiling Suspended Wall Mounted Double flow Multi flow Corner 13 1 13 2 15 14...

Page 4: ...or moderate injury It may also be sued to alert against unsafe practices NOTE Indicates a situation that may result in the unit or property damage only accidents Keep these warning sheets handy so tha...

Page 5: ...will cause injury Operating the air conditioner with wet hands could result in a shock hazard Check the unit stand for damage on a contin uous basis especially if it has been in use for a long time If...

Page 6: ...etergent squeeze it well and wipe the panel clean And wipe it with another dry cloth Dismantling of the unit treatment of the refrig erant oil and eventual other parts should be done in accordance wit...

Page 7: ...0 1 20 1 20 1 Design pressure High side psig 478 478 Low side psig 320 320 Model name RXYQ72PTJU RXYQ96PTJU RXYQ120PTJU Power supply Phase 3 3 3 Frequency Hz 60 60 60 Voltage V 208 230 208 230 208 230...

Page 8: ...eating capacity MBh 243 270 66 1 8 36 5 8 30 1 8 66 1 8 36 5 8 30 1 8 Dimensions H W D inch 66 1 8 36 5 8 30 1 8 66 1 8 36 5 8 30 1 8 Mass Ib 573 573 573 573 Refrigerant type R410A R410A charge 1 Ib 1...

Page 9: ...he chapter 6 4 PROGRAMMING START AND STOP OF THE SYSTEM WITH TIMER 18 Temperature setting button Use this button for setting the desired temperature Refer to the chapter 6 1 COOLING HEATING AUTOMATIC...

Page 10: ...n REYQ only In this operation mode cool heat changeover is automatically conducted The operation mode cannot be changed with the remote controller whose display shows changeover under control Change t...

Page 11: ...r will return to the previous state in approximately 5 to 15 minutes Hot start In order to prevent cold air from blowing out of an indoor unit at the start of heating oper ation the indoor fan is auto...

Page 12: ...LOW DIREC TION Refer to figure 6 only for Dou ble flow Multi flow Corner Ceiling suspended and Wall mounted Press the air flow direction adjust but ton to select the air direction The air flow flap di...

Page 13: ...3 hours and start the system after 4 hours the system will stop after 3 hours and start 1 hour later 6 5 SETTING THE MASTER REMOTE CON TROLLER In the case of the system as shown in figure 14 only the...

Page 14: ...setting of group control and two remote controller control systems 7 OPTIMUM OPERATION Observe the following precautions to ensure the system operates properly Prevent direct sunlight from entering a...

Page 15: ...to conserve energy Clean the exterior See the operation manual included with the indoor unit for details on how to clean it 9 FOLLOWING SYMPTOMS ARE NOT AIR CONDITIONER TROUBLES 9 1 THE SYSTEM DOES NO...

Page 16: ...on Moisture generated by defrost becomes steam and is exhausted 9 8 NOISE OF AIR CONDITIONERS Indoor unit A zeen sound is heard immediately after the power supply is turned on The electronic expansion...

Page 17: ...operation The operation mode selector button does not work well Turn off the power If the display the unit number and the operation lamp flash and the malfunction code appears Refer to figure 12 1 In...

Page 18: ...on the remote controller Name address telephone number Repair after the warranty term is expired Contact your dealer If necessary to repair pay service is available Minimum storage period of important...

Page 19: ...ended lengths of time until the need arises for maintenance work in order to ensure the product is operational as long as possible Use for appropriate maintenance design budgeting maintenance and insp...

Page 20: ...1645 Wallace Drive Suite 110 Carrollton TX 75006 info daikinac com www daikinac com 3P215731 1D EM07A037A 0803 HT...

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