Doc No. 700015 Page 7 of 36
1.6 Electrical
Connection
This appliance must be earthed.
Supply 230V 50Hz single phase.
Standard heater 116W.
Current rating 0.55 amp max (inductive).
Fuse: external 3 amp.
All electrical work should be carried out to IEE
standards by a competent electrician. The
electrical connection to the heater is made by
means of a three pin plug-in power connector.
Live, neutral and earth connections should be
made via a flexible supply cable to the power
connector and routed clear of the heater or
tubes.
The flexible supply cables should be of 0.5mm²
and comply with BS 6500. The wires in the
mains lead are coloured in accordance with the
following code:
Green & Yellow Earth;
Blue Neutral;
Brown Live
It is recommended the heater or group of
heaters are controlled by thermostats, a time
switch and if required manual control switches
and a frost thermostat.
We recommend use of Nortek Global
HVAC (UK) Ltd approved controls.
Please
refer to control manual for siting and installation
details. Where alternative manufactures controls
are used, please refer to their instructions for
their siting and installation details.
Figure 4.b Typical Wiring Connections
Figure 4.a Single Phase Wiring
Table 2 Gas Supply Pressures
Fan plugs into burner
Fused Spur
Gas Category
I2H
Gas Type
Natural Gas (G20)
Max Supply Pressure (mbar)
25
Min Supply Pressure (mbar)
17
Nominal Pressure (mbar)
20
Gas Supply
Connection R½ ½in BSP Internal Thread
fig.f
fig.g
The methods shown in fig.f and fig.g are unacceptable, due to undue stress on the hose & fittings.
