ELECTRICAL WIRING
23
13.2. ELECTRICAL WIRING CONNECTION FOR OUTDOOR UNITS
The electrical wiring connection for the outdoor unit is
shown in figure below:
RAS-2/2.5
HVRN1
L1
L2
N
12
{{{{
Power Supply
AC 230 V
Control cable (5V)
Instructions for wiring and electrical Board
13.2.1. 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:
DSW301: Test Run Mode
Setting before shipment
ON
1 2 3 4 5 6
DSW1: (No setting is required)
When set Nº1 pin to ON, the
electric current detection is
cancelled. Nº1 pin should be set
back to OFF after electrical work.
ON
1 2 3
DSW2: Pipe length setting (setting is required)
Setting before shipment
ON
1 2 3 4 5 6
Pipe legth (≤5m)
ON
1 2 3 4 5 6
Pipe Length (≥30m)
Pipe length setting should be
performed as follows according to
the on-site pipe length.
ON
1 2 3 4 5 6
DSW3: Capacity Setting (No setting is required)
Model RAS-2HVRN1
Setting Position
ON
1 2 3 4 5 6
Model RAS-2.5 HVRN1
Setting Position
ON
1 2 3 4 5 6
PCB
Earth terminal
Side cover
Transmission
wires
Power wires