Hitachi SET FREE MINI RAS-3 Manuel D'installation page 28

14
ELECTRICAL WIRING
20
14.2. ELECTRICAL WIRING CONNECTION FOR OUTDOOR UNITS
The electrical wiring connection for the outdoor unit is
shown in figure below:
L1 O
L2 / N O
1 O
2 O
Table for Terminal Connection
Wiring System
Power Supply DC inverter
Operating DC inverter
Remote Control DC inverter
O.U.: Outdoor Unit
I.U.: Indoor unit
Instructions for wiring and electrical Board
Refrigerant Piping Power Wires
Check the item below before turning ON the main switch.
In case the power source is 240 V (nominal voltage),
change CN 1 (connector) to CN 2 of transformer (TF1) in
the electrical control box as shown in figure below.
Connector
for 220V
Connector
for 240V
Power Supply (AC220-240)
Control Cable (5V)
[Connection
(Connection of Terminals)]
[O.U.-O.U.(L1-L1, N-N)]
[I.U.-I.U.(L1-L1, N-N)]
[O.U.-I.U., I.U.-I.U.(1-1, 2-2)]
[I.U.-I.U.(A-A, B-B)]
Transmission Wires
14.2.1. 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:
Mark of "" indicates the position of dip switches
DSW1: For Test Run
Setting before shipment
DSW2: Optional Function Setting
Setting before shipment
DSW3: Capacity
Model RAS-3FSVNE
ON
Setting
Position
1 2 3 4
DSW4: Refrigerant Cycle No. Setting
Unit No. 0 Unit No. 1
Setting
ON ON
position
1 2 3 4 1 2 3 4
Unit No. 4 Unit No. 5
Setting
ON ON
position
1 2 3 4 1 2 3 4
Unit No. 8 Unit No. 9 Unit No. 10 Unit No. 11
Setting
ON ON
position
1 2 3 4 1 2 3 4
Unit No. 12 Unit No. 13 Unit No. 14 Unit No. 15
Setting
ON ON
position
1 2 3 4 1 2 3 4
DSW5: Transmission Setting of End Terminal
Resistance
Before shipment
ON
1 2 3 4
ON
1 2 3 4 5 6
RAS-4 FSVNE RAS-5 FSVNE
ON ON
1 2 3 4 1 2 3 4
Unit No. 2 Unit No. 3
ON ON
1 2 3 4 1 2 3 4
Unit No. 6 Unit No. 7
ON ON
1 2 3 4 1 2 3 4
ON ON
1 2 3 4 1 2 3 4
ON ON
1 2 3 4 1 2 3 4
ON
1 2