REFLECTOR PANEL HEATER INSTALLATION GUIDE Issue 5 May 2007 2104M0728
5.2 Electrical Installation
this
dure.
2. Fit an approved cable gland to the junction box cable entry to be used for the power
eater Panel, using sealing washers where necessary
ke appropriate electrical connections as shown in the following section.
.2.1 Terminal Connection Diagram- Short Range Reflector Panel Heater
ve heater requiring an 18-28Vdc (nominal
4V ) sup
box supplied as part of the
Reflector Panel Heater Assembly. To allow for a
term
ls (
1. Isolate all associated power supplies and ensure that they remain OFF during
proce
connections to the Reflector H
to maintain ingress protection rating.
3. Fit approved blanking plugs to all unused cable entries.
4. Ma
5
The short range Reflector Panel Heater is a resisti
2
dc
ply. All connections are made inside the junction
wide range of supply voltage, two power
ina
2 and 3) are available.
Terminal Identification
Wire Colour
Customer Connection
1 White 0V
2
Black or Brown
>20Vdc
3 Blue
18-20Vdc
6 Green
Earth
ote: If the voltage drops below 20Vdc in operation, the 24Vdc input should be connected
N
te
to
rm
Terminal 2
If th
ros
che
us
Exc
hen
inal 3 instead of terminal 2.
connects to a 100
Ω
heater; terminal 3 connects to a 68
Ω
heater.
s
e C
Duct Excel shares a power supply cable with the Reflector Panel Heater, a
le at the Cross Duct
ck m t be made to verify that a minimum voltage of 18V is availab
el w
the Reflector Panel Heater is operating.
6
