Maintenance
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MAXXfl o EVO 150/302
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 GUI DISPLAY
This is located in the centre of the heater inside the front cover.
• Switch off electrical supply to heater
• Remove the 4 fi xing 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
fl
ow sensor
Connector
heater
Securing screws
g connector from the rear of