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8

English

• The system does not go into operation if the 

room temperature is low.

• The microcomputer automatically controls 

the temperature and fan speed, so these 
cannot be set using the remote controller.

• This function is not available if the room tem-

perature is 20°C or lower.

• The program dry function deprives the room 

of moisture while the air conditioner is in 
intermittent weak cooling operation so that 
the room temperature will not become too 
low.

• This function does not controls the humidity.
• FXL and FXN type indoor unit can not oper-

ate program dry operation.

FOR SYSTEMS WITHOUT COOL/HEAT SELEC-
TOR (Refer to figure 5)

NOTE

• If “

” (Cooling operation) is not displayed, refer 

to “6-1 COOLING, HEATING, AUTOMATIC AND 
FAN ONLY OPERATION”, and set “

” (Cooling 

operation). 
Unless the air conditioner is set to “

” (Cooling 

operation), the air conditioner cannot be switched 
over to “

” (program dry operation).

Press the operation mode selector button sev-
eral times and select “

” ( program dry oper-

ation).

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 “Adjusting the air flow direction” for 
details.

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.

FOR SYSTEMS WITH COOL/HEAT SELECTOR
(Refer to figure 8)

Select cooling 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 operation.

Press the air flow direction adjust button (only 
for FXC, FXF, FXH, FXK, FXA). Refer to the 
chapter “Adjusting the air flow direction” for 
details.

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.

6-3 ADJUSTING THE AIR FLOW DIREC-

TION (Refer to figure 6) (only for Dou-
ble-flow, Multi-flow, Corner, Ceiling-
suspended and Wall-mounted)

Press the air flow direction button to 
select the air direction.
The air flow flap display swings as 
shown right and the air flow direction 
continuously varies. (Automatic 
swing setting)

Press the air flow direction adjust but-
ton to select the air direction of your 
choice.

The air flow flap display stops swing-
ing and the air flow direction is fixed. 
(Fixed air flow direction setting)

MOVEMENT OF THE AIR FLOW FLAP 

For the following conditions, a micro computer con-
trols the air flow direction which may be different 
from the display.

The air flow direction can be adjusted in one of the 
following ways.

• The air flow flap itself adjusts its position.
• The air flow direction can be fixed by the user.

Automatic “

” or desired position “

”. 

(Refer to figure 13)

1

2

3

4

1

2

COOLING

HEATING

• When starting operation.
• When the room temperature is 

higher than the set temperature.

• At defrost operation.

• When operating continuously at horizontal air flow direction.
• When continuous operation with downward air flow is performed at the 

time of cooling with a ceiling-suspended or a wall-mounted unit, the 
microcomputer may control the flow direction, and then the remote con-
trol indication also will change.

3

4

5

1

2

01_EN_3P226891_8.fm  Page 8  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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