Electrical Wiring Connection; Installation Of The Pcb Plates And The H-Link Terminals - Hitachi PC-ARF Technical Catalogue

7 Gateways for building management systems
HARC-BX E

7.4.3.2 Electrical wiring connection

1 Turn off the main electric switch connected to the cable of the HARC-BX E in order to connect the cable.
2 Wire in accordance with the following table.
Section
100/240V HARC-BX E
power supply
Electric power
line
Earthing wire
HARC-BX E upper moni-
toring equipment
Control circuit
HARC-BX E
Monobloc air conditioning
* "No." indicates the cable for the "Wiring type".

7.4.3.3 Installation of the PCB plates and the H-LINK terminals

There are 8 PCBs in each HARC-BX E that correspond to the unit's H-LINK terminals as shown in the following figure.
So that the PCBs can communicate and control the assigned units, they should be connected to the H-LINK corresponding
to the circuit where the unit is.
673 673
TCGB0106 rev.0 - 12/2014
No. * Wiring method




HITACHI BMS Interface
1 2 3 4 5
AC 100 - 240
HARC - BX E
Comments
Non polar
Non polar
1
H-LINK
6 7 8
2
3
4
5
6
7
8
LN
-
-
7