Hitachi RAS-3HVRNME-AF, Installation And Operation Manual, Page: 31 / 40

31
PMML0205A rev.4 - 11/2012
ENGLISH
12.2. ELECTRICAL WIRING CONNECTION FOR
OUTDOOR UNITS
”
The electrical wiring connection for the outdoor unit is shown
in figure below:
Power supply
AC 230 V
Control cable (5 V) Control cable (5 V) Power supply
AC 400 V
Table for Terminal Connection
Wiring [Connection (Connection of Terminals)]
Power Supply
[O.U.-O.U.(L1-L1, L2-L2, L3-L3, N-N)]
[I.U.-I.U.(L1-L1, N-N)]
Control [O.U.-I.U., I.U.-I.U.(1-1, 2-2)]
O.U.: Outdoor Unit; I.U.: Indoor unit
”
Instructions for wiring and electrical Board
12.2.1. SETTING OF DIP SWITCHES FOR OUTDOOR UNIT
¡
quantity and Position of DIP Switches
The PCB in the Outdoor Unit is operating with 5 types of DIP
Switches, 1 Slide Switch and 3 Push Switch. The location is
as follows:
¡
DSW1: For Test Run
Setting before shipment
¡
DSW2: Optional Function Setting
Setting before shipment
¡
DSW3: Capacity
3HVRNME-AF 4HVRNME-AF
Setting position
5HVRNME-AF 6HVRNME-AF
4HRNME-AF 5HRNME-AF
6HRNME-AF
¡
Refrigerant Cycle No. Setting
DSW4
Setting position
(Setting for the ten digit).
RSW1
Setting position.
(Setting for the last digit).
¡
DSW5: Transmission Setting of End Terminal Resistance
Setting before shipment
¡
DSW6: Function setting (No setting is required)
Power source setting
400 V 230 V
ELECTRICAL WIRING
3~6HVRNME-AF
4~6HRNME-AF