andrews MAXXflo EVO Series Installation And Maintenance Manual page 62

High efficiency condensing stainless steel storage water heater
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• Remove the 6 heat exchanger door bolts and remove the whole burner assembly and put to one side.
• Unscrew the fl ow and return pipework from the heat exchanger.
• Unscrew the fl ow and return sensors form the heat exchanger and retain
• Disconnect the condense drain connection by releasing the jubilee clip and pulling the pipe off
• Remove the 6 screws of the heat exchanger retaining clamps and remove the clamps
Heat exchanger
connection
Warning this item is heavy - Before releasing the brackets ensure support is available
• Carefully lift out the heat exchanger
• Fitting is the reverse
After refi tting ensure no air is present in the heat exchanger by running the unit with the gas
turned off until the heat exchanger is operating quietly
Maintenance
Removed burner
assembly
62
J J
Jubilee clip
C C
Condense hose
C C
Clamping bracket
Heat exchanger
connection
MAXXfl o EVO

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