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6.3
Dip Switch Setting of Outdoor Unit
TURN OFF all power sources before setting.
Without turning OFF, the switches do not work
and the contents of the setting are invalid. Mark
of "I" indicates the position of dip switches. Set
the dip switches according to the Fig.6.4.
DSW1 Ref. Cycle No. Setting
Setting is required.
When wiring connections are H-Link, setting is needed.
ON
OFF
1 2 3 4
Unit No.0 Setting Condition
Set the unit number of outdoor unit at each refrigerant cycle.
(Setting before shipment is unit 0.)
DSW3 Lift Difference Setting
Setting is required.
* Setting before Shipment
* The outdoor unit is located
higher than indoor unit.
ON
(0 to 50m)
OFF
* The outdoor unit is located
lower than indoor unit.
(0 to 20m)
* The outdoor unit is located
ON
lower than indoor unit.
OFF
(20 to 40m)
ON
* Increasing Heating Capacity
OFF
DSW6 Refrigerant Piping Length Setting
Setting is required.
Actual Piping Length
25 ≤
50 ≤
< 25
< 50
Setting
before
Shipment
ON
ON
ON
OFF
OFF
OFF
1 2
1 2
Dip Switches Location
SEG2
SEG1
DSW1
DSW2
DSW3
PSW1
PSW3
DSW4
DSW5
DSW6
DSW7
DSW10
DSW2 Capacity Setting
No setting is required.
Setting
Position
DSW4 Test Operation and Service Setting
Setting is required, for test operation and
operating the compressor.
Setting before
Test Run for
Shipment
Cooling Operation
1 2
ON
ON
OFF
OFF
1 2 3 4 5 6
Compressor
Forced Stop
1 2
ON
ON
OFF
OFF
1 2 3 4 5 6
Do not move #3, #5 pins.
1 2
DSW7 Power Supply Setting
No Setting is required.
(m)
220V
75 ≤
< 75
ON
ON
OFF
OFF
1 2
1 2
1 2
Push Switches
PSW1
Manual Defrost
PSW2
Checking by
PSW3
7-Segment
PSW2
Fig. 6.4 DSW Setting
G By using switch DSW4, the unit is started or
stopped after 10 to 20 seconds after the
switch is operated.
G Number this outdoor unit
to distinguish from other
outdoor units for service
and maintenance.
And write the number in
the space right.
Model
RAS-34FSN
RAS-36FSN
ON
ON
OFF
OFF
1 2 3 4
1 2 3 4
Test Run for
Heating Operation
ON
OFF
1 2 3 4 5 6
1 2 3 4 5 6
Combination
Operation for
of Indoor Units
Exchange
more than 16
Compressor
ON
OFF
1 2 3 4 5 6
1 2 3 4 5 6
415V
380V
ON
ON
OFF
OFF
1 2
1 2
NOTE
RAS-38FSN
RAS-40FSN
ON
ON
OFF
OFF
1 2 3 4
1 2 3 4
DSW5 Emergency Operation or Service Setting
Setting is required, when optional functions
are required.
Setting
ON
before
OFF
Shipment
1 2 3 4 5 6 7 8
Setting Item
Except No.1 Comp. Operation
Except No.2 Comp. Operation
Except No.3 Comp. Operation
Except No.4 Comp. Operation
Except No.5 Comp. Operation
Except No.6 Comp. Operation
Selection of Input Signal
Function Setting
DSW10 Transmission Setting
Setting is required for cancellation of end resistance.
Cancellation
Setting before
of End
Shipment
Resistance
ON
ON
OFF
OFF
1 2
1 2
RAS-42FSN
ON
OFF
1 2 3 4
Pin No.
#1
#2
#3
#4
#5
#6
#7
#8
Short Circuit
of Fuse
ON
OFF
1 2
21
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