Electrical Installation; System Wiring - Immergas Inoxstor 200 Installation, Usage And Maintenance Instructions

4.

ELECTRICAL INSTALLATION

All wiring must comply with l.E.E. and all local, national and EU requirements. THIS APPLIANCE MUST BE
EARTHED.
The Inoxstor requires a 230VAC 50hz supply to operate. There is a risk of electric shock if the unit is worked on without
disconnecting the incoming supply. Disconnect the electrical supply prior to starting any work on or opening any cover
on the Inoxstor.
4.1

SYSTEM WIRING

The Inoxstor is designed for use with Immergas Audax Air to Water heat pumps. An outline schematic of the system wir-
ing is shown below.
Heating Circuit
All installation wiring at the Inoxstor is via the Audax Interface Board. To access this, carefully remove the cover of the
electrical box on the front of the Inoxstor. Disconnect the electrical supply prior to removing this cover.
The Inoxstor requires a 230V 50Hz single phase supply with neutral and earth. Connect
this to the L N and E terminals on the Inoxstor's Audax Interface Board. This must be a
permanent supply via a dedicated isolator.
The Inoxstor's Audax Control Board has two fuses:
• FH1 - Immersion Circuit - 16A
• FH2 - Other Circuits - 5A
The cable used to supply power to the Inoxstor must be three core with a minimum cross
sectional area of 2.5mm
2
The method of connection to the electricity supply must facilitate complete isolation and
should be made via a fused isolator having a contact separation of at least 3mm in all
poles and supplying the Inoxstor only. The fused isolator should also protect the cable
supplying the unit.
A fuse/MCB of 6A should protect the circuit to which the Inoxstor is connected. The installation of a ground fault interrupt-
er / RCCD-protector is strongly recommended.
If the supply cord is damaged in any way, it must be replaced in order to avoid a hazard.
Inoxstor Pre-Plumbed Water Heater
4x0.75mm2
4x0.75mm2 (screen)
4x0.75mm2 (screen)
4x0.75mm2
4x0.75mm2
.
Audax
6
8
12
16 Mono
16 3P
Above: Quick reference for Audax cable sizing. Read
the Audax instructions carefully before installation.
Installation, Usage and Maintenance Instructions
Min C.S. Max C.S. Max
length
m
3x2.5mm 3x4.0mm 80
2 2
3x2.5mm 3x4.0mm 80
2 2
3x4.0mm 3x4.0mm 80
2 2
3x4.0mm 3x4.0mm 80
2 2
5x2.5mm 5x4.0mm 80
2 2
Cable
Type
H07RNF
H07RNF
H07RNF
H07RNF
H07RNF
8