16
AW T4 20 |
U N I V ER S A L 4 - W I R E , D UA L- I N P U T T R A N SM I T T ER | O I/AW T4 2 0 - EN R E V. B
…5 Electrical installation
Power supply connection
WARNING
Bodily injury
–
USA and Canada only
• The use of cable glands, cable/flexible cord for
connection of the mains power source to the mains input
and relay contact output terminals is not permitted.
NOTICE
Electrical installation – ABB recommendations:
• Ferrules are fitted to all cables.
• Use M4 ring terminals (crimped) on the earth conductor
prior to fitting to the earth stud on the gland plate
(plastic enclosure) or M5 ring terminals prior to fitting
to the earth boss (metal enclosure).
• Only 1 cable per cable gland.
Referring to Figure 11, page 17:
1
Using a suitable screwdriver, release door retaining screw
A
and open the transmitter door.
2
Release terminal cover retaining screw
B
and remove
terminal cover plate
C
.
3
Slide retaining clip
D
off blanking plug
E
and remove the
blanking plug if fitted.
4
Fit cable gland
F
and secure using nut
G
.
5
Remove gland cover
H
and route mains power supply
cable
I
through it.
6
Route the cable through cable gland
F
and into the
enclosure case.
NOTICE
Use a single-holed bush for the mains power cable.
7
Make connections to the power supply connection
terminals
J
. Connect earth wire
K
to earth stud
L
.
8
Tighten gland cover
H
.
9
Refit terminal cover
C
and secure it with retaining screw
B
.
10
Close the transmitter door and secure with door retaining
screw
A
.
