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*2 The inside of the indoor unit needs to be 

washed. Specialized techniques are required 
for cleaning the unit, so contact your dealer.

*3 This valve controls the amount of gas flow 

(refrigerant) through indoor unit.

10. TROUBLE SHOOTING

If one of the following malfunctions occur, take 
the measures shown below and contact your 
Daikin dealer.

WARNING

Stop operation and shut off the power if any-
thing unusual occurs (burning smells, etc.)

Leaving the unit running under such circum-
stances may cause breakage, electrical shock, or 
fire.
Contact your dealer.

• 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 off the main power switch.

• If water leaks from the unit;

Measure: Stop the operation.

• If the display “

”, the unit number and the 

operation lamp flash and the malfunction code 
appears; 

(Refer to figure 12)

1. Inspection display
2. Indoor unit number in which a malfunction 

occurs

3. Operation lamp
4. Malfunction code

Measure: Notify your Daikin dealer and report the 
malfunction code.
If the system shuts down due to an error, the 
backup operation function may allow the unit to 
continue running for several hours after it is 
started back up, but if this happens, be sure to 
contact your dealer.

If the system does not properly operate except for 
the above mentioned cases and none of the 
above mentioned malfunctions is evident, inves-
tigate the system according to the following pro-
cedures.
If it is impossible to fix the problem yourself after 
checking all the above items, contact your dealer.
Let him know the symptoms, system name, and 
model name (listed on the warranty card).

1.If the system does not operate at all;

• Check if there is no power failure.

Wait until power is restored. If power failure 
occurs during operation, the system automatically 
restarts immediately after the power supply is 
recovered.

• Check if no fuse has blown.

Turn off the power supply.

• Check if the breaker is 

down.
Turn the power on with 
the breaker switch in the 
off position.
Do not turn the power on 
with the breaker switch in the trip position.
(Contact your dealer.)

2. If the system stops soon after starting the opera-

tion;

• Check if air inlet or outlet of indoor unit is not 

blocked by obstacles.
Remove any obstacle and make it well-ventilated.

• Check if the remote controller display shows 

” (time to clean the air filter);

Refer to the operation manual of the indoor unit. 
And clean the air filter.

• Check if all the valves in the water piping system.

Open all the valves in the water piping system.

• Check if a strainer is choked.

Clean a strainer.

• Check if a heat source water is circulating.

Inspect the water system.

• Check if the inlet temperature of the heat source 

water is within its range.
Do not exceed its range.

• Check if the water quantity of the heat source 

water is within its range.
Do not exceed its range.

3. The system operates but cooling or heating is 

insufficient;

• Check if air inlet or outlet of indoor unit is not 

blocked by obstacles.
Remove any obstacle and make it well-ventilated.

• Check if the remote controller display shows 

” (time to clean the air filter);

Refer to the operation manual of the indoor unit. 
And clean the air filter.

• Check the temperature setting.

Refer to “Operation procedure”.

• Check the fan speed setting on your remote con-

troller.
Refer to “Operation procedure”.

• Check if the air flow angle is not proper.

Refer to “Operation procedure”.

• Check for open doors or windows. 

Shut doors and windows to prevent wind from 
coming in.

• Check if direct sunlight enters the room during 

cooling operation.
Use curtains or blinds.

• Check if there are too many occupants in the 

room during cooling operation.

TEST

Switch

ON

OFF

Trip position

Breaker

01_EN_3P153897-7L.fm  Page 12  Friday, July 11, 2008  1:58 PM

Summary of Contents for VRV-WIII RWEYQ8PY1

Page 1: ...ystem air conditioner Betriebsanweisung VRVWIII System Klimaanlage Manuel d utilisation Conditionneur d air VRVWIII System Manual de operaci n Sistema de acondicionador de aire VRVWIII Manuale d uso C...

Page 2: ...as referencias Asimismo si lo desea puede consultar detalles sobre la unidad interior en el manual de funcionamiento pro vistoconlamisma Guardeel manualdefuncionamientoconlaunidad interior y con este...

Page 3: ...1 4 3 NOT AVAILABLE 2 5 6...

Page 4: ...8 7 1 7 2 7 3 Double flow Ceiling Suspended Wall Mounted Multi flow Corner 13 9 10 11 12 14 Heat pump system Heat recovery system...

Page 5: ...to it whenever neces sary If the equipment is transferred to a new user be sure also to hand over the manual WARNING Be aware that prolonged direct exposure to cool or warm air from the air conditione...

Page 6: ...solvents such as paint thinner The use of organic solvents may cause crack dam age to the product electric shocks or fire Be sure to use a dedicated power supply for the air conditioner The use of any...

Page 7: ...bout checking and adjustment of internal parts Do not leave the remote controller wherever there is a risk of wetting If water gets into the remote controller there is a risk of electrical leakage and...

Page 8: ...e air flow direction 5 Display ventilation air cleaning This display shows that the total heat exchanger unit Heat Reclaim Ventilation are in operation these are optional accessories 6 Display set tem...

Page 9: ...ditioning selector switch Set the switch to for fan only operation or to for heating or cooling operation 24 Cool heat changeover switch Set the switch to for cooling operation or to for heating opera...

Page 10: ...eration mode cool heat changeover is automatically performed 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...

Page 11: ...ing 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...

Page 12: ...hown in figure 14 it is necessary to designate one of the remote con trollers as the master remote controller Only the master remote controller can select heating automatic or cooling operation The di...

Page 13: ...he air blow directly to a person Make sure that the inlet and outlet of the indoor unit are not clogged 8 MAINTENANCE 8 1 HANDLING OF HEAT SOURCE WATER Requests from manufacturer Do not fail to mount...

Page 14: ...e the remote control is intercepting noise from electrical appliances other than the air conditioner and this prevents communication between the units causing them to stop Operation automatically rest...

Page 15: ...A hissing sound which is heard at the start or immediately after stopping operation This is the noise of refrigerant gas caused by flow stop or flow change 9 9 DUST COMES OUT OF THE UNIT When the uni...

Page 16: ...r failure Wait until power is restored If power failure occurs during operation the system automatically restarts immediately after the power supply is recovered Check if no fuse has blown Turn off th...

Page 17: ...comes in contact with the combustible air in the equipment such as fan heater stove oil gas cooker etc it will cause toxic gas to be generated When a refrigerant leakage failure has been repaired conf...

Page 18: ...ection fees etc Depending on the content of the maintenance and inspection contract the inspection and maintenance cycles may in reality be shorter than those listed here Shortening of maintenance cyc...

Page 19: ...d the refrigerant in accordance with chlorofluoro carbon collection and destruction law Where to call For after sales service etc consult with your dealer Warranty period This product includes a warra...

Page 20: ...3P153897 7L EM08A054 0808 HT...

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