Service manual

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2-8 Function of jumper wire and dipswitch on indoor controller board
1. Jumper wire
1 JR1
...
Jumper wire for the auto vanes.
Cut JR01 for the unit WITHOUT auto vanes.
2 JR2
...
Jumper wire for the temperature to start coil frost prevention
Cutting JR02 changes the temperature from +1°C to -3°C.
3 JR3
...
Jumper wire for set temperature adjustment in HEAT mode.
In HEAT operation, heated air stagnates in the upper part of the room. The indoor unit installed in the upper part of the
room will detect the air temperature higher than the actual temperature in the living space. This difference is about 4
degrees. Therefore, the temperature detected by the room temperature thermistor should be corrected 4 degrees down.
The unit with JR04 attached will make this adjustment.
4 JR4
...
Jumper wire for the indoor fan speed during thermostat OFF in HEAT mode
Cutting JR04 changes the speed from Extra-Low to Low.
5 JR5
...
Jumper wire for detecting abnormalities in the outdoor unit
Cutting JR05 makes this detection unavailable. (Occurrence of abnormality can not be detected. )
6 JR6
...
Jumper wire for auto restart function
Cutting JR06 makes the auto restart function available.
2. Dipswitch
1 SW1 (Function switch)
SW1-1) Switch for power supply
ON : 220V OFF : 230V, 240V
SW1-2) Switch for single or twin control
ON : Twin control OFF : Single control
SW1-3) Switch for unit number in twin control
(This switch is valid when SW1-2 is ON. )
ON : Unit No. 2 OFF : Unit No. 1
SW1-4, SW1-5,SW1-6) Switch for capacity of each model
SW1-7, SW1-8) Pair number of the wiress remote controller
2 SW2 (Unit switch)
SW2-1) Switch for air conditioner with or without electric heater
ON : Unit with electric heater
OFF : Unit without slectric heater (PC-GJ(S)A)
SW2-2) Switch for air conditioner with or without heat pump
(Keep this switch OFF for PC-GJ(S)A)
ON : Unit with heat pump OFF : Unit without heat pump
SW2-3) Switch for function code (Keep this switch OFF for PC-GJ(S)A)
ON : 1 OFF : 0
SW2-4) Switch for function code (Keep this switch OFF for PC-GJ(S)A)
ON : 1 OFF : 0
SW2-5) Switch for function code (Keep this switch ON for PC-GJ(S)A)
ON : 1 OFF : 0
3 SW3 (Emergency operation switch)
Normal operation For emergency cooling
1 2 3 4 5 6 7 8
ON
OFF
1 2 3 4 5
ON
OFF
PC-2GJA1 PC-2.5GJA1 PC-3GJA1
4 5 6
ON
OFF
4 5 6
ON
OFF
4 5 6
ON
OFF
PC-4GJSA1
4 5 6
ON
OFF
PC-5GJSA1
4 5 6
ON
OFF
PC-6GJSA1
4 5 6
ON
OFF
0
7 8
ON
OFF
1
7 8
ON
OFF
2
7 8
ON
OFF
3
7 8
ON
OFF
1 2 3
ON
OFF
1 2 3
ON
OFF
4 SWA : for ceiling height
3
...
High ceiling
2
...
Standard
1
...
Low ceiling
5 SWC : optional filter element
STD
...
Without filter element
OP
...
With filter element
For ceiling height
High ceiling 3.5m
Standard 2.8m
Low ceiling 2.3m