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English

7

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

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)

For adjustment the desired temperature, fan 
speed and air flow direction (only for the 
remote controller BRC1A52: FXC, FXF, FXH, 
FXK, 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°C.

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.

Press air flow direction adjust button.
Refer to the chapter “Adjusting the air flow 
direction” for details.

STOPPING THE SYSTEM (Refer to figure 4)

Press the on/off button once again.
The operation lamp goes off and the system 
stops operation.

NOTE

• Do not turn off the power immediately after 

the unit stops.

• The system need at least 5 minutes for 

residual operation of drain pump device.
Turning off the power immediately will cause 
water leak or trouble.

EXPLANATION OF HEATING OPERATION

• For general heating operation, it may take longer to 

reach the set temperature than in cooling operation. 
We recommend starting the operation which was 
used before using timer operation.

• The following operation is performed in order to 

prevent the heating capacity from dropping or 
cold air from blowing.

Defrost operation

• In heating operation, freezing of the outdoor 

unit heat exchanger increases. Heating 
capability decreases and the system goes 
into defrost operation.

• The indoor unit fan stops and the remote 

controller displays

 

”.

• After maximum 10 minutes of defrost opera-

tion, the system returns to heating operation 
again.

• The airflow will be set to breeze or stop.
• Once the airflow is set to breeze or stop, the 

air conditioner 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 automatically 
stopped. The display of the remote control-
ler shows “

”.

NOTE

• The heating capacity drops as the outside tem-

perature falls. If this happens, use another heat-
ing device together with the unit. (When using the 
appliances which produce open fire together, ven-
tilate a room constantly.)
Do not place appliances which produce open fire 
in places exposed to the air flow from the unit or 
under the unit.

• It takes some time for the room to warm up from 

the time the unit is started since the unit uses a 
hot-air circulatory system to warm the entire room.

• If the hot air rises to the ceiling, leaving the area 

above the floor cold, we recommend using the cir-
culator (the indoor fan for circulating air). Contact 
your dealer for details.

6-2 PROGRAM DRY OPERATION

• The function of this operation is to decrease 

the humidity in your room with a minimum 
temperature decrease.

• The micro computer automatically deter-

mines temperature and fan speed.

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01_EN_3P226891_8.fm  Page 7  Tuesday, December 1, 2009  4:43 PM

Summary of Contents for VRV III-Q RQYQ140PY1

Page 1: ...44PY1 RQCEQ816PY1 RQCEQ848PY1 OPERATION MANUAL System air conditioner Operation manual VRVIII System air conditioner Betriebsanweisung VRVIII System Klimaanlage Manuel d utilisation Conditionneur d ai...

Page 2: ...r junto coneste manualde funcionamientoen un lugarseguro Unavez que reciba latarjetade garant a delconcesionario gu rdela en un lugarseguro Grazie per avere acquistato questo condizionatore d aria Dai...

Page 3: ...2 1 1 4 3 5 6 7 1 7 3 7 2 1 2...

Page 4: ...8 9 10 11 12 13 14 1 Double flow Ceiling Suspended Wall Mounted Multi flow Corner 14 2 15...

Page 5: ...these instructions properly may result in property damage or personal injury which may be serious depending on the circum stances After reading keep this manual in a conve nient place so that you can...

Page 6: ...t in places with exces sive oily smoke such as cooking rooms or in places with flammable gas corrosive gas or metal dust Using the product in such places may cause fire or product failures Do not use...

Page 7: ...of bodily functions and harm health Do not let children play on or around the out door unit If they touch the unit carelessly injury may be caused Do not place water containers flower vases etc on th...

Page 8: ...Low pressure side bar 33 33 MPa 3 3 3 3 Model RQCEQ280PY1 RQCEQ360PY1 RQCEQ460PY1 Power supply Phase 3N 3N 3N Frequency Hz 50 50 50 Voltage V 380 415 380 415 380 415 Nominal cooling capacity kW 28 0...

Page 9: ...he air flow direction 5 Display ventilation air cleaning This display shows that the ventilation unit are in operation these are optional accessories 6 Display set temperature This display shows the t...

Page 10: ...21 C 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...

Page 11: ...RATION For general heating operation it may take longer to reach the set temperature than in cooling operation We recommend starting the operation which was used before using timer operation The follo...

Page 12: ...d select program dry Press the on off button The operation lamp lights up and the system starts operation Press the air flow direction adjust button only for FXC FXF FXH FXK FXA Refer to the chapter A...

Page 13: ...he timer is programmed to stop the sys tem after 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 Refer to...

Page 14: ...controller control systems 7 OPTIMUM OPERATION Observe the following precautions to ensure the system operates properly Adjust the air outlet properly and avoid direct air flow to room inhabitants Adj...

Page 15: ...ilter and exterior After cleaning the air filter be sure to put it back in the same position See the operation manual included with the indoor unit for details on how to clean it 9 FOLLOWING SYMPTOMS...

Page 16: ...ost operation 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 electroni...

Page 17: ...ealer If a safety device such as a fuse a breaker or an earth leakage breaker frequently actuates Measure Do not turn on the main power switch If the ON OFF switch does not properly work Measure Turn...

Page 18: ...rson that the leakage point has been corrected surely before restarting operation Do not remove or reinstall the unit by yourself Incorrect installation may cause electrical shock or fire Contact your...

Page 19: ...the product is operational as long as possible Use for appropriate maintenance design budgeting maintenance and inspection fees etc Contact your dealer for details Note Breakage due to taking apart or...

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