11.3.3 RAS-(8-12)FSXNME
PCB1
DSW1: refrigerant system setting
Setting required
Set all the IU and the OU belonging to the same refrigerant
cycle with the same cycle number.
Factory setting
Setting example
Tens digit
Units digit
Refrigerant cycle nº 25
?
N O T E
Maximum refrigerant cycle number setting: 63.
DSW2 capacity setting
Setting not required
8HP
10HP
12HP
DSW3
Setting not required
?
N O T E
Do not change DSW3 setting. Otherwise, it may
cause abnormal operation.
Factory setting
DSW4 test run and service settings
Setting required
Factory setting
Forced compressor
stoppage
External input /
output setting
Cooling test run
Heating test run
Function setting
DSW5
Setting not required
Factory setting
DSW6 function setting (low ambient setting)
Setting required
Factory setting
Cooling operation under low load operation
?
N O T E
Make sure to apply snow protection hood.
DSW7 supply voltage and system setting
Setting required
Factory setting (400 v)
(Heat recovery system)
Heat pump system
DSW8 high static pressure mode setting
Setting required
Factory setting
HSP setting
?
N O T E
When adopting the air outlet duct (field-supplied), make sure to set DSW8.
DSW10 transmission setting
Setting required
Factory setting
End resistance
cancellation
Fuse recovery (*1)
?
N O T E
(*1) If the fuse (EF1) is melted, set Nº.2 pin to ON for recovery.
PCB2
DSW101
Setting required
INv1
Cancellation of current
detection
Factory setting
?
N O T E
If cancellation of current detection is set, make sure to return the setting,
after service works.
ELECTRICAL WIRING
PMML0511 rev.1 - 06/2019
37
EN
