Mitsubishi Electric MSZ-AP25VG-E1 Service Manual page 28

9-10. i-save ( ) OPERATION
1. How to set i-save operation
(1) Press STOP/OPERATE (OFF/ON) button.
(2) Select COOL, ECONO COOL, HEAT or NIGHT mode.
(3) Press i-save button.
(4) Set the temperature, fan speed, and airflow 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 adjust-
ment, 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
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 miss-
ing 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 opera-
tion is for servicing. The indoor fan runs at High speed and the tem-
perature 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.
MSZ-AP25/35/42/50VG
MSZ-AP25/35/42/50VGK
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.
OBH788C
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.
MSZ-AP60/71VG
MSZ-AP60/71VGK
Emergency
operation switch
(E.O. SW)
button and button are held down to enable or disable
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
28
COOL/HEAT
24°C
Med.
Auto
Lit
↓
Not lit
↓
Emergency
operation switch
(E.O. SW)