1-68
1.6.3 Power supply remote operation
When the remote part on indoor unit PCB is modified, the air conditioner is turned ON-OFF by power supply ON-OFF operation
without using remote control switch.
After the power supply remote operation, the operation contents can be modified by the remote controller.
(1) Operation contents
(a) Heat pump type
(2) Modification method
S40 model
Solder the high-speed switching diode (manufacturer: Matsushita, Manufacture type No.: MA165) to “Remote” part on the
PCB in the direction as shown in the diagram below.
Power supply ON
3-minute timer
operation
Power supply OFF
Air conditioner
STOP
Start operation
AUTO
COOL: 26˚C
DRY: 25˚C
HEAT: 25˚C
AUTO
AUTO
Continuous
Operation change
Set temperature
Air capacity change
Flap
Timer
(b) Cooling only type
Power supply ON
3-minute timer
operation
Power supply OFF
Air conditioner
STOP
Start operation
AUTO
COOL: 26˚C
DRY: 25˚C
AUTO
AUTO
Continuous
Operation change
Set temperature
Air capacity change
Flap
Timer