Remote Transmitter - Internal Heater Fuse Replacement; Integral Transmitter - Access To Connections - ABB Endura AZ series User Manual

Endura AZ series integral and remote transmitter
Combustion oxygen monitor
4.8.1 Remote Transmitter – Internal Heater Fuse Replacement
Note. The internal fuse is a protection device for the probe heater – it is not a transmitter mains power
isolation device.
To replace the remote transmitter internal heater fuse:
1. Isolate the transmitter from mains power – see Section 4.1, page 11.
2. Referring to Section 4.2, page 13, remove the transmitter front cover and cartridge.
3. Referring to Fig. 4.10, remove the plug-in fuse
Fig. 4.10 Remote Transmitter – Replacing the Internal Fuse
4. Plug a new fuse (1 Amp Type F) into the fuse socket.
5. Referring to Section 4.2, page 13, refit the transmitter front cover and cartridge.
4.9 Integral Transmitter – Access to Connections
Warning. Isolate the power supply cable to the transmitter before removing the cover.
Referring to Fig. 4.11:
1. Unscrew and remove the transmitter rear cover
2. Access power supply terminals, by unclipping latch
Fig. 4.11 Integral Transmitter – Access to Connections
22
A
A
A
from the fuse socket.
A
.
B
and lifting hinged power supply cover
C
Nicht unter Spannung öffnen
Do not open while circuits are alive
Ne pas ouvrir
4 Electrical Installation
C
B
IM/AZ20E–EN Rev. F
.