Endura AZ series integral and remote transmitterCombustion oxygen monitor 4 Electrical Installation22 IM/AZ20E–EN Rev. F4.8.1 Remote Transmitter – Internal Heater Fuse ReplacementTo 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 A from the fuse socket.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 ConnectionsReferring to Fig. 4.11:1. Unscrew and remove the transmitter rear cover A.2. Access power supply terminals, by unclipping latch B and lifting hinged power supply cover C.Note. The internal fuse is a protection device for the probe heater – it is not a transmitter mains powerisolation device.Fig. 4.10 Remote Transmitter – Replacing the Internal FuseWarning. Isolate the power supply cable to the transmitter before removing the cover.Fig. 4.11 Integral Transmitter – Access to Connections
