Mitsubishi Electric MSZ-AP25VG Service Manual page 18

9-10. i-save ( ) OPERATION
1. How to set i-save operation
(1) Press STOP/OPERATE (OFF/ON) button.
(2) Select COOL, HEAT or ECONO COOL mode.
(3) Press i-save button.
(4) Set the temperature, fan speed, and airfl ow direction for i-save operation.
NOTE:
• i-save operation cannot be selected during DRY or AUTO mode operation.
• The setting range of HEAT mode i-save operation is 10 - 31°C.
• 2 groups of setting can be saved. (One for COOL/ECONO COOL, one for HEAT)
2. How to cancel operation
• Press i-save button again.
• i-save operation can also be cancelled by pressing OPERATION SELECT button to change the operation mode.
The same setting is selected from the next time by simply pressing i-save button.
9-11. OPERATION LOCK
This function locks operation mode only. Other functions, such as OFF/ON, temperature setting, or airflow direction
adjustment, are available.
(1) Hold down button and
OPERATION LOCK.
The icon for the locked operation mode blinks.
(2) Hold down button and
OPERATION LOCK.
• The icon for the locked operation mode blinks when
able OPERATION LOCK or
9-12. EMERGENCY/TEST OPERATION
In the 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
or has failed, or the batteries in the remote controller are running down.
The unit will start and OPERATION INDICATOR lamp will light up.
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 temperature
control 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.
The coil frost prevention works even in the test run or the emergency
operation.
In the test run or emergency operation, the horizontal vane operates in
VANE AUTO ( ) mode.
Emergency operation continues until EMERGENCY OPERATION switch
is pressed once or twice or the unit receives any signal from the remote
controller. In the latter case, normal operation will start.
NOTE: Do not press EMERGENCY OPERATION switch during normal operation.
9-13. 3-MINUTE TIME DELAY OPERATION
When the system turns OFF, compressor will not restart for 3 minutes as 3-minute time delay function operates to protect
compressor from overload.
OBH788
button simultaneously for 2 seconds while the unit is not operating to enable
button simultaneously for 2 seconds again while the unit is not operating to disable
button is pressed during operation while OPERATION LOCK is enabled.
Emergency
operation switch
(E.O. SW)
18
button and button are held down to enable or dis-
Operation mode
Set temperature
Fan speed
Horizontal vane
The operation mode is indicated by the Operation
Indicator lamp as following
Operation Indicator lamp
EMERGENCY COOL
EMERGENCY HEAT
STOP
COOL/HEAT
24°C
Med.
Auto
Lit
↓
Not lit
↓