Mitsubishi Electric MSZ-GC22VA Service Manual page 13

2. To release the timer
To release ON timer, press ON TIMER button (
To release OFF timer, press OFF TIMER button(
TIMER is cancelled and the display of set time disappears.
PROGRAM TIMER
• OFF timer and ON timer can be used in combination. The timer of the set time that is reached first will operate first.
• " " and " " display shows the order of OFF timer and ON timer operation.
(Example 1) The current time is 8:00 PM.
The unit turns off at 11:00 PM, and on at 6:00 AM.
NOTE : If the main power is turned off or a power failure occurs while ON/OFF timer is active, the timer setting
is cancelled. As these models are equipped with an auto restart function, the air conditioner starts operating with
timer cancelled when power is restored.
9-7. EMERGENCY/TEST OPERATION
In case of test run operation or emergency operation, use EMERGENCY OPERATION switch on the right side of the
indoor unit. Emergency operation is available when the remote controller is missing, has failed or the batteries of the
remote controller run down. The unit will start and OPERATION INDICATOR lamp will light.
The first 30 minutes of operation is the test run operation. This operation is for servicing. The indoor fan runs at High
speed and the system is in continuous operation (The thermostat does not work).
After 30 minutes of test run operation, the system shifts to EMERGENCY COOL / HEAT MODE with a set temperature of
24°C. The fan speed shifts to Med..
In the test run or emergency operation, the horizontal vane operates in VANE AUTO (
Emergency operation continues until EMERGENCY OPERATION switch is pressed once or twice or the unit receives any
signal from the remote controller. In case of latter, normal operation will start.
NOTE : Do not press EMERGENCY OPERATION switch during normal operation.
EMERGENCY OPERATION switch (E.O. SW)
START
).
STOP
).
(Example 2) The current time is 11:00 AM.
The unit turns on at 5:00 PM, and off at 9:00 PM.
The operation mode is indicated by the Operation
Indicator lamp on the indoor unit as following
Operation Indicator lamp
13
) mode.
Operation mode COOL
Set temperature
24:
Fan speed Medium
Horizontal vane Auto
EMERGENCY COOL
EMERGENCY HEAT
STOP
HEAT
24:
Medium
Auto
Lighted
Not lighted