Daikin vrv III -Q Series, Operation Manual

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14 English
3. The system operates but cooling or heating is
insufficient;
• Check if air inlet or outlet of outdoor or 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 for open doors or windows.
Shut doors and windows to prevent wind from
coming in.
• Check if there are too many occupants in the
room during cooling operation.
• Check if the heat source of the room is excessive
during cooling operation.
• Check if direct sunlight enters the room during
cooling operation.
Use curtains or blinds.
• Check if the air flow angle is not proper.
Refer to “Operation procedure”.
After-sales service and warranty
After-sales service:
WARNING
• Do not modify the unit.
This may cause electric shock or fire.
• Do not disassemble or repair the unit.
This may cause electric shock or fire.
Contact your dealer.
• If the refrigerant leaks, keep out of fire.
Although the refrigerant does not usually leak, if
the refrigerant leaks out into a room and 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, confirm a service person 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 dealer.
• When asking your dealer to repair, inform
related staff of the details as follows:
• Product No. of air conditioner:
Refer to the warranty card.
• Shipping date and installation date:
Refer to the warranty card.
• Malfunction:
Inform the staff of the defective details.
(Malfunction code being displayed on the
remote controller.)
• Name, address, telephone number
• Repair where the warranty term is expired
Contact your dealer. If necessary to repair, pay
service is available.
• Minimum storage period of important parts
Even after a certain type of air conditioner is dis-
continued, we have the related important parts in
stock for 9 years at least.
The important parts indicate parts essential to
operate the air conditioner.
• Recommendations for maintenance and
inspection
Since dust collects after using the unit for several
years, the performance will be deteriorated to
some extent.
Taking apart and cleaning inside require technical
expertise, so we recommend entering a mainte-
nance and inspection contract (at a cost) separate
from normal maintenance.
• Recommended inspection and maintenance
cycles
[Note: The maintenance cycle is not the same
as the warranty period.]
Table 1 assumes the following usage conditions.
1. Normal use without frequent starting and stop-
ping of the machine.
(Although it varies with the model, we recom-
mend not starting and stopping the machine
more than 6 times/hour for normal use.)
2. Operation of the product is assumed to be
10 hours/day, 2500 hours/year.
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