1. Introduction
The TRT049 is a cost effective and stylish wiring centre, with plenty
of wiring space, and easily accessible terminals. There are cable
clamps to secure incoming and outgoing cables. It is designed for
internal use only. Wiring centres simplify installation and make
checking the circuit easier. This wiring centre is suitable for all
popular heating systems.
Wiring diagrams are supplied for the two most popular, S-plan
and Y-plan.
This guide assumes that the installer can identify the required
leads from the boiler, pump and other controls.
The electrical supply
must
be isolated before removing the
front cover.
Cover fixing screws
Tough plastic enclosure
Fig. 1
TRT049 Wiring Centre Front View
1
2
3
4
5
1
2
4
5
6
7
8
7
8
9
10
11
12
13
14
15
16
14
16
E
E
N
L
Cable
clamps
Fig. 1a
TRT049 Wiring Centre Inside View
TRT049 Wiring Centre Rear View
Cable entry
knock outs
Multiple fixing
holes
Earth
terminals
Wiring
terminals
Fig. 1b
BM049
MAX CURRENT 10A
230V ~ 50Hz
