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Hitachi RASC UTOPIA RCI-2.0FSN1E Installations- Und Betriebshandbuch Seite 36

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ELECTRICAL WIRING
13.2. ELECTRICAL WIRING CONNECTION FOR OUTDOOR UNITS
The electrical wiring connection for the outdoor unit as shown
below:
Table for Terminal Connection:
Wiring
Power supply
Operation
Remote controller
O.U.: Outdoor Unit, I.U.: Indoor unit
1. Connect the power supply wires to L1, L2, L3 and NP, for the
three phase units on the terminal board and ground wires to
the terminals, in the electrical control box.
2. Connect the wires between the Outdoor and Indoor units,
Master units only for twin system, to terminals 1 and 2 on
the terminal board. If the indoor unit power source wires
are connected with the outdoor unit connect also them to
terminals L and N to the terminal board.
3. Tightly secure the wires inside the outdoor unit with a band.
4. Check the item below before turning ON the main switch. In
case the power source is 415V (nominal voltage), change
CN22 (connector) to CN21 of transformer (TF1) in the
electrical control box as shown in fi gure below.
5. Use factory supplied rubber bushes in order to protect wires
from damages produced by hole edges  and 
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[connection (connection of terminals)]
[O.U.-O.U.(L1-L1,L2-L2,L3-L3,N-N)]
[I.U.-I.U.(L1-L1,N-N)]
[O.U--I.U.-I.U.(1-1,2-2)]
R, CS-IV, IV-IV, A-A, B-B
 Power source
 Operation wiring
between outdoor and
indoor unit
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13.2. 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 Single Switch and 1 Push Switch. The location is
as follows:
DSW1: Test Operation and Option functions
settings
Before shipment
1 2 3 4 5 6
DSW2 Factory fi xed settings
Nominal
Operation
1 2 3 4
DSW3: Capacity Settings
Model
5HP
Setting
position
1 2 3 4
DSW4: Refrigerant Cycle no. settings
Before shipment
1 2 3 4
DSW5 Transmitting settings
Before shipment
PSW: Manual Defrost
Press for Manual Defrost
PMGB0126A rev.2 - 11/2006
10 HP
1 2 3 4
1 2
24

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