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10.2 ELECTRICAL WIRING CONNECTION FOR OUTDOOR UNITS
The electrical wiring connection for the outdoor unit is shown in
figure below:
L1 L2
N
1
2
Power Supply
AC 230 V
Control cable (5V)
Instructions for wiring and electrical board:
Power wires
PCB
Earth terminal
Side cover
Transmission
wires
10.2.1 Setting of DIP switches for outdoor unit
Quantity and Position of DIP Switches
The PCB in the outdoor unit is operating with 7 types of DIP
switches, and 4 push switch. The location is as follows:
DSW1: No setting is required
When set pin number 1 to ON, the electric
current detection is cancelled. Pin number
1 should be set back to OFF after electrical
work
DSW301: Test run mode
Setting before shipment
1 2 3 4 5 6
ON
Cooling
Heating
Forced stop of compressor
DSW2: Optional function setting and piping
lenght
Factory setting
Piping length ≤ 5m
Piping lenght ≥ 30m
Optional function setting
Optional function setting
1 2 3 4 5 6
ON
External input/output setting mode
DSW3: Capacity Setting (No setting is required)
Model
RAS-2HVNP1
Setting position
Model
RAS-2.5HVNP1
Setting position
Model
RAS-3HVNC1
RAS-3HVRNS3
Setting position
ELECTRIC WIRING
PMML0398B rev.0 - 11/2015 - P5416651
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