Maintenance
60
MAXXflo EVO
6.2.2 FLuE TEMPERATuRE SENSOR (b8)
This is located at the Flue outlet of the heat exchanger.
• Unplug the sensor from the loom (squeeze the catch to release).
• Remove sensor by unscrewing anti-clockwise
• Replacement is the reverse.
6.2.3 COMMON FLOw TEMPERATuRE SENSOR (b10)
This is located on the top left hand side of the case, to the left of the top control PCB
• Unplug the sensor from the loom (Squeeze the catch to release).
6.2.4 AVS37 GuI DISPLAy
This is located in the centre of the heater inside the front cover.
• Switch off electrical supply to heater
• Remove the 4 fixing screws located at the rear of the screen.
• Push off the wiring connector from the rear of the GUI
• Replacement is the reverse.
Flue sensor
Connector
Common flow sensor
Connector
Securing screws
