Electrical Wiring Connection For Outdoor Units; Setting Of Dip Switches For Outdoor Unit; Quantity And Position Of Dip Switches; Dsw2 Factory Fixed Settings - Hitachi RPI-10FSNE Installation And Operation Manual

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 [connection (connection of terminals)]
[O.U.-O.U.(L1-L1,L2-L2,L3-L3,N-N)]
Power supply
[I.U.-I.U.(L1-L1,N-N)]
Operation [O.U--I.U.-I.U.(1-1,2-2)]
Remote controller R, CS-IV, IV-IV, A-A, B-B
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 
 Power source
 Operation wiring
between outdoor and
indoor unit
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
DSW2 Factory fi xed settings
■
Nominal
Operation
DSW3: Capacity Settings
■
Model
Setting
position
DSW4: Refrigerant Cycle no. settings
■
Before shipment
DSW5 Transmitting settings
■
Before shipment
PSW: Manual Defrost
■
Press for Manual Defrost
PMGB0126A rev.2 - 11/2006
1 2 3 4 5 6
1 2 3 4
5HP 10 HP
1 2 3 4
1 2 3 4
1 2 3 4
1 2
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