Hitachi RCI Serie Manual De Instalación Y Funcionamiento página 41

15.2. ELECTRICAL WIRING CONNECTION FOR OUTDOOR UNIT
The electrical wiring connection for the outdoor unit is
shown below.
1. Connect the power supply wires to L1, L2, L3 and N
(for 380-415V/50Hz) for the three phase power source
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 to terminals 1 and 2 on the terminal board.
3. Do not lead wires in front of the fixing screw of the
service panel. If done, the screw can not be removed.
4. In case that the power source is 415V, change
connector of the ttransformer in the outdoor unit
electrical box.
15.3. SETTING OF DIP SWITCHES FOR OUTDOOR UNIT
Quantity and Position of Dip Switches
The PCB in the outdoor unit is operated with 7 types of dip
switches and 3 types of push switch.
Position of DIP switches:
ELECTRICAL WIRING
CAUTION:
Fix the operation shielded wires between the indoor
and outdoor unit with a cord band in only one point.
Shielded wires must be connected to the earth of
Indoor unit only.
NOTE:
The mark " " indicates position of dips switches.
Figures show setting before shipment or after
selection.
By using DSW4, 7 or 8 the unit is started or stopped
after 10 to 20 seconds after the switch is operated.
CAUTION:
Before setting dips switches, firstly turn off power
source and set the position of the dips switches. If the
switches are set without turning off the power source,
the contents of the setting are invalid.
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