Service Functions - Mitsubishi Electric MSZ-EF18VGW-E1 Service Manual

8

SERVICE FUNCTIONS

MSZ-EF18VGW MSZ-EF22VGW MSZ-EF25VGW MSZ-EF35VGW MSZ-EF42VGW MSZ-EF50VGW
MSZ-EF18VGB MSZ-EF22VGB
MSZ-EF18VGS MSZ-EF22VGS
MSZ-EF18VGKW MSZ-EF22VGKW MSZ-EF25VGKW MSZ-EF35VGKW MSZ-EF42VGKW MSZ-EF50VGKW
MSZ-EF18VGKB MSZ-EF22VGKB MSZ-EF25VGKB MSZ-EF35VGKB MSZ-EF42VGKB MSZ-EF50VGKB
MSZ-EF18VGKS MSZ-EF22VGKS MSZ-EF25VGKS MSZ-EF35VGKS MSZ-EF42VGKS MSZ-EF50VGKS
8-1. TIMER SHORT MODE
For service, the following set time can be shortened by bridging JPG and JPS/the timer short mode point* on the elec-
tronic control P.C. board. (Refer to 10-7.)
• The set time for the ON/OFF timer can be reduced to 1 second for each minute.
• After the breaker is turned on, the time for starting the compressor, which normally takes 3 minutes, can be reduced to 1
minute. Restarting the compressor, which takes 3 minutes, cannot be reduced.
* JPG and JPS: MSZ-EF
Timer short mode point: MSZ-EF
8-2. HOW TO SET REMOTE CONTROLLER EXCLUSIVELY FOR A PARTICULAR INDOOR UNIT
A maximum of 4 indoor units with wireless remote controllers can be used in a room.
To operate the indoor units individually with each remote controller, assign a number to each remote controller according
to the number of the indoor unit.
This setting can be set only when all the following conditions are met:
• The remote controller is powered OFF.
• Weekly timer is not set.
• Weekly timer is not being edited.
(1) Hold down button on the remote controller for 2 seconds to enter the pairing mode.
(2) Press button again and assign a number to each remote controller.
Each press of
(3) Press button to complete the pairing setting.
After you turn the breaker ON, the remote controller that first sends a signal to an indoor unit will be regarded as the
remote controller for the indoor unit.
Once they are set, the indoor unit will only receive the signal from the assigned remote controller afterwards.
OBH831D
MSZ-EF25VGB
MSZ-EF25VGS
VG- ,
·
E1 ET1
VG- , ,
·
E2 ET2 ET3
button advances the number in the following order: 1 → 2 → 3 → 4.
MSZ-EF35VGB
MSZ-EF35VGS
MSZ-EF-VGK- , ,
E1 ET1 ER1
19
MSZ-EF42VGB MSZ-EF50VGB
MSZ-EF42VGS MSZ-EF50VGS
, , ,
E2 ET2 ER2