Optimum Operation; Maintenance (For Service Personnel) - Daikin FCQ71DV3B Operation Manual

6. OPTIMUM OPERATION

Observe the following precautions to ensure the
system operates.
• Adjust the room temperature properly for a com-
fortable environment. Avoid excessive heating or
cooling.
• Prevent direct sunlight from entering a room dur-
ing cooling operation by using curtains or blinds.
• Ventilate the room regularly.
Using the unit for long periods of time requires
attentive ventilation of the room.
• Keep doors and windows closed. If the doors and
windows remain open, room air will flow out and
cause to decrease the effect of cooling and heating.
• Do not place other heaters directly below the
indoor unit.
They may deform due to the heat.
• Never place objects near the air inlet and the air
outlet of the unit. It may cause deterioration in the
effect or stop in the operation.
• Turn off the main power supply switch when it is
not used for long periods of time. When the main
power switch is turned on, some watts of electricity
is being used even if the system is not operating.
Turn off the main power supply switch for saving
energy. When reoperating, turn on the main power
supply switch 6hours before operation for smooth
running (Refer to MAINTENANCE).
• When the display shows "
AIR FILTER), ask a qualified service person to
clean the filter (Refer to MAINTENANCE).
• Fully use the function of air flow direction adjust.
Cold air gathers on the floor, and warm air gathers
in the ceiling.
Set the air flow direction parallel during cooling or
dry operation, and set it downwards during heat-
ing operation.
Do not let the air blow directly to a person.
7. MAINTENANCE
(FOR SERVICE PERSONNEL)
ONLY A QUALIFIED SERVICE PERSON IS
ALLOWED TO PERFORM MAINTENANCE
IMPORTANT!
• BEFORE OBTAINING ACCESS TO TERMINAL
DEVICES, ALL POWER SUPPLY CIRCUITS
MUST BE INTERRUPTED
• To clean the air conditioner, be sure to stop oper-
ation, and turn the power switch off. Otherwise, an
electric shock and injury may result.
• Do not wash the air conditioner with water.
Doing so may result in an electric shock.
5
" (TIME TO CLEAN
• Be careful with a scaffold or staging.
Caution must be exercised because of work at a
high place.
HOW TO CLEAN THE AIR FILTER
Clean the air filter when the display shows "
(TIME TO CLEAN AIR FILTER).
It will display that it will operate for a set amount of time.
Increase the frequency of cleaning if the unit is
installed in a room where the air is extremely contami-
nated.
If the dirt becomes impossible to clean, change the air
filter. (For changing air filter, please contact your
dealer.)
1. Open the suction grille.
Pull it downward slowly while pressing the
buttons provided on two spots.
(Do the same procedure for closing.)
ig. 1
2. Remove the air filters.
Pull the hook of the air filter out diagonally
downward, and remove the filter.
ig. 2
3. Clean the air filter.
Use vacuum cleaner A) or wash the air filter with
water B).
A)Using a vacuum cleaner
B)Washing with water
When the air filter is very
dirty, use soft brush and
neutral detergent.
Remove water and dry in the shade.
"
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