Daikin E-Series Service Manual page 256

SiEN18-621
7. Optimum operation
Observe the following precautions to ensure the system
operates.
• Adjust the room temperature properly for a comfortable
environment. Avoid excessive heating or cooling.
• Prevent direct sunlight from entering a room during 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 descrease
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 6 hours before operation for
smooth running (Refer to MAINTENANCE)
• When the display shows "
FILTER), ask a qualified service person to clean the filters
(Refer to MAINTENANCE).
8. 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 operation, 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.
• Be careful with a scaffold or staging.
Caution must be exercised because of work at a high
place
Fig. 2
System Configuration
" (TIME TO CLEAN AIR
Fig. 3
Fig. 4
Fig. 5
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 contaminated.
If the dirt becomes impossible to clean, change the air filter
(Air filter for exchange is optional)
1. Open the suction grille
Slide both knobs simultaneously as shown and then pull
them downward.
(Do the same procedure for closing).
(Refer to Fig. 2)
2. Remove the air filters.
Push the 2 tabs up, and slowly loweer the grille.
(Refer to Fig. 3)
3. Clean the air filter
Use a 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.
Instruction
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