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4 Electrical wiring
Setting not required. Activate only when the following functions are used:
•
Contact 1: except No 1, compressor operation.
•
Contact 2: except No 2, compressor operation.
•
Contact 4: Monitoring of refrigerant quantity.
Setting required.
•
1: setting before supply:
N O T E
This combination of outdoor units must be set.
Setting for combination of units:
•
A: unit 1 (main).
•
B: unit 2.
•
C: unit 3.
Setting not required.
Setting required.
•
A: setting before supply.
•
B: cancellation of final resistance.
N O T E
•
C: If the communication circuit fuse has opened, the PCB1 board can
only be recovered by activating contact 2.
80
SMGB0065 rev. 1 - 12/2010
DSW5: emergency operation /test run and service setting
DSW6: setting outdoor unit number
DSW7: supply voltage setting
DSW10: communication setting
1
ON
1
2
3 4
A
B
C
ON
ON
ON
1
2
3 4
1
2
3 4
1
2
3 4
400V
A
A
B
B
C
ON
ON
ON
ON
ON
ON
1
1
2
2
1
1
2
2
1
1
2
2
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Table of Contents
Troubleshooting
