Hitachi YUTAKI RAS-2WHVRP1 - Electrical Wiring Connection for Outdoor Units; DIP Switch Settings for Outdoor Unit

10.2 ELECTRICAL WIRING CONNECTION FOR OUTDOOR UNITS
The electrical wiring connection for the outdoor unit is shown in
gure 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:
PCB1
PCB1
PCB2
PCB2

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

DSW2: Optional Function setting (Setting is
required)
Factory setting

DSW3: Capacity Setting (No setting is required)
Model RAS-2WHVRP1
Setting position
Model RAS-2.5WHVRP1
Setting position
Model RAS-3WHVRP1
Setting position

DSW4 / RSW1: No setting is required (do not
change)
Factory setting
Factory setting position

DSW5: End terminal resistance (No setting is
required)
Setting before shipment

DSW6: No setting is required (do not change)
Factory setting
ELECTRICAL WIRING
PMML0576 rev.0 - 06/2021
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