Remote Transmitter - Replacing The Internal Heater Fuse - ABB Endura AZ30 series Programming Manual

Endura AZ30 series integral probe and remote transmitter
Combustion oxygen monitor
5.3.2 Remote Transmitter – Replacing the Internal Heater Fuse
Note. The internal fuse is a protection device for the probe heater – it is not a remote transmitter mains
power isolation device.
To replace the remote transmitter internal heater fuse:
1. Isolate the transmitter from mains power – see Section 5.1, page 18.
Referring to Fig. 5.3
2. Turn security screw
3. Unscrew and remove transmitter front cover
4. Slacken the three cartridge screws
5. Remove the plug-in fuse
6. Refit the cartridge and front cover
7. Turn security screw
22
A
clockwise to release the transmitter front cover
C
and lift the cartridge
E
from the fuse socket and fit a new fuse (1 A type F) into the fuse socket.
B
by reversing steps 4 to 1.
A
anti-clockwise until the transmitter front cover
B
(a lever can be used across the flats if necessary).
D
away from the housing.
5 Electrical Installation
B
.
B
is locked in place.
COI/AZ30E–EN Rev. D