Hitachi SET FREE mini Instruction Manual page 36

ELECTRICAL WIRING
DSW4 / RSW1 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
Tens digit Units digit
?
N O T E
Maximum refrigerant cycle number setting: 63.
DSW6 function selection
Setting not required
Factory setting
DSW7
Setting not required
(not used)
11.3.2 RAS-(4-6)FSNME

PCB1
DSW1 test run
Setting required
Factory setting Cooling test run
Forced compressor Heating intermediate
stoppage
DSW2 pipe length
Setting required
Pipe length shorter
Factory setting
than 5m
Control supporting Function selection
existing piping setting mode
36 PMML0511 rev.1 - 06/2019
Setting example
Refrigerant cycle nº 25
Fixed value setting mode (used
in combination with DSW2-5)
Factory setting
Heating test run
Cooling intermediate
test run test run
Pipe length longer
than 30m
External input,output
setting mode
DSW3 supply voltage and system setting
Setting not required
4HP 3-phase 5HP 3-phase
DSW4 / RSW1 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
Tens digit Units digit
?
N O T E
Maximum refrigerant cycle number setting: 63.
DSW5 transmission
setting
Setting not required
DSW6 function selection
Setting not required
Factory setting
DSW7
Setting not required
(not used)

PCB2
DSW1
Setting not required
(not used)
6HP 3-phase
Setting example
Refrigerant cycle nº 25
Factory End resistance
setting cancellation
Fixed value setting mode (used
in combination with DSW2-5)
Factory setting
Factory setting