System Wiring Diagram - Hitachi RPI-16.0FSN3PE Installation And Operation Manual

5 Electrical wiring

5.2 SYSTEM WIRING DIAGRAM

Connect the indoor unit according to the following electric diagram:
1
A Main outdoor unit
A1 Secondary outdoor unit
Service wiring (shielded twisted pair cable or shielded pair cable),
B
5 Vdc non-polarity H-LINK (supplied by the fitter)
C Distribution box (Field supplied).
D Terminal Boards (TB1,TB2)
Service wiring (shielded twisted pair cable or shielded pair cable)
E
(supplied by the fitter)
5.3 POWER AND TRANSMISSION WIRING CONNECTION PROCEDURE
The service panel for the electrical box is provided at the side of the unit as shown below.
The electrical connection (power source, indoor and outdoor com-
munication and remote control switch) shall be performed only in
one electrical box. Procedures as follows:
1 Connect the power supply and ground wires to the terminal
board in the electrical box.
2 Connect the wires between the indoor unit and the outdoor unit
to the terminals 1 and 2 in the electrical box.
3 Connect the cable of the Remote Control Switch to the termi-
nals A and B in electrical box.
4 Tightly fix the wires by the Packing Glands.
5 Seal the wiring connection hole after running the cables with
the seal material (cover plate) to protect the unit from conden-
sed water and insects.
8
Service panel for
electrical box
PMML0323A rev.2 - 06/2014
RPI-(16.0/20.0)FSN3PE
F Fuse (Field supplied)
G Remote control
H Indoor unit RPI-(16.0/20.0)FSN3PE
I Other Indoor unit system
CB Circuit breaker (Field supplied)
ELB Earth leakage circuit breaker (Field supplied)
Wiring
holes
Remote Control
(PC-ART)
Transmission
Wires
Power supply wires
(Single phase)
Earth Screw