14
7. FOR MOVEMENT AND MAINTENANCE
Front panel
Lock
1
2
7-1
FRONT PANEL REMOVAL
1. Remove front grill.
• Remove 3 screws. (See to 4-1-(4)) (Page 6).
2. Remove front panel.
• Remove 10 screws as shown in the right.
• Unlock front panel by pulling it toward yourself (
1
) and then
pull it down as the arrow (
2
).
• After removing the front panel, it is possible to service many
parts.
7-2
GAS CHARGE
1. Connect gas cylinder to the service port of outdoor unit.
2. Execute air purge of the pipe (or hose) coming from refrigerant gas cylinder.
3. Replenish specified amount of refrigerant, while running the air conditioner for cooling.
Caution:
Never charge liquid refrigerant, such as by inverting the gas cylinder while charging, otherwise trou-
bles may be generated.
To maintain the high pressure of the gas cylinder, warm it with warm water (under 40
°
C) during cold season. But
never use naked fire or steam.
Indoor
unit
Union
Liquid pipe
Gas pipe
Stop valve
Outdoor
unit
Refrigerant gas cylinder
operating valve
Charge hose
Service port
Note: If the charge
hose is connected
to the service port,
be sure to remove
the GUARD before
servicing.
Refrigerant gas cylinder
SCALE
(R-22) Gas charge
6-5
AUTO RESTART FUNCTION
When the indoor unit is controlled with the remote controller, the operation mode, set temperature, and the fan
speed are memorized by the indoor electronic control P.C. board. The auto restart function sets to work the
moment the power has restored after power failure, then, the unit will restart automatically. If the unit is operated
in “I FEEL CONTROL” mode before power failure, the operation is not memorized. In
“I FEEL CONTROL” mode, the operation is decided by the initial room temperature at (re)start.
Notes:
• The operation settings are memorized when 10 seconds have passed after the remote controller was oper-
ated.
• If the main power is turned off or a power failure occurs while AUTO START/STOP timer is active, the timer
setting is cancelled. As this model is equipped with the auto restart function, the air conditioner should start
operating at the same time that a power has restored.
• If the unit has been off with the remote controller before power failure, the auto restart function does not work
as the power button of the remote controller is off.
• To prevent breaker off due to the rush of starting current, systematize other home appliance not to turn on at
the same time.
6-6
EXPLANATION TO THE CUSTOMER
• Using the instruction manual, explain the following to the customer how to control temperature, how to re-
move the air filters, how to remove or put the remote controller in the remote controller mounting hardware,
how to clean, precautions, etc.
• Recommend the customer to carefully read the Operating Instruction Book.
