Power Supply Connection - ABB AWT420 Operating Instruction

16 AW T4 2 0 | U N I V E R S A L 4 - W I R E , D U A L- I N P U T T R A N S M I T T E R | O I/A W T4 2 0 - E N 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
terminal cover plate C .
3 Slide retaining clip
D off blanking plug
blanking plug if fitted.
4 Fit cable gland and secure using nut
F
5 Remove gland cover H
cable I through it.
6 Route the cable through cable gland
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
8 Tighten gland cover H .
9 Refit terminal cover C and secure it with retaining screw
10 Close the transmitter door and secure with door retaining
screw A .
B and remove
E and remove the
.
G
and route mains power supply
F and into the
K to earth stud L .
B .