Installation procedure 8
Vaillant Vantage 120/150/200
25
8.4 Electrical connections and controls
8.4.1 Immersion Heater
Warning:
The immersion heater must be earthed.
Install a separate electrical supply to the immersion hea-
ter in accordance with the current IEE wiring regulations
(BS 7671). The immersion heater must be wired in
2.5 mm
2
heat-resisting cable from a double pole isola-
ting switch. The circuit must be protected by a 13 amp
fuse. The connection details for the immersion heater
are shown in fig. 13.
Important:
The immersion heater incorporates an energy
cut-off device and must not under any circum-
stances be replaced by a standard immersion
heater.
Only a correct genuine Vaillant spare part is permitted.
8.4.2 VANTAGE Electrical Connections and
Controls
Warning:
The VANTAGE cylinder must be eartherd.
The Vaillant VANTAGE and accompanying Vaillant boiler
may be controlled using various programmers and room
thermostats, details of which are given in section 8.4.3:
Control Options.
The VANTAGE cylinder has a prefitted cylinder ther-
mostat, supplied with 1 m of 3 core and earth flying lead.
The colour coding for the cylinder thermostat connec-
tion is as follows:
Brown wire
Common
Blue wire
DHW calling
Black wire
DHW satisfied
Green / yellow wire
Earth
Connections to wiring centre
•
Provide a wiring centre adjacent to the VANTAGE
cylinder to make the electrical connections (see fig. 14).
•
Connect the Vaillant boiler terminals to the correspon-
ding terminals of the wiring centre.
•
Connect the VANTAGE cylinder thermostat flying lead
and the 3 port valve flying lead to the terminals of the
wiring centre.
•
Connect the terminals of the programmer and room
thermostat to the terminals of the wiring centre.
•
Connect a 3 amp fused mains supply to the terminals
of the wiring centre.
NOTE:
All wiring must be carried out in accordance
with BS 7671: Requirements for electrical instal-
lations (IEE Wiring Regulations, 16th edition).
Fig. 13
L
E
E
T
C
N
N
VIH 3
7
0
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Immersion heater electrical connections
