Service manual

UHA STANDARD UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL
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15.7 Flue Blower for Models UHA[T][M][X][S] 350-400
Vent Box
Outlet
Gasket
Flue Blower
Vent Box
screws
Flue
Adapter
Flue Adapter
to Flue Blower
screw
Rear Panel
Hole
Disconnect
electrical connections
at plug in tabs.
Mounting Plate
to Vent Box
screws
Gasket
Gasket
Mounting Plate
to Flue Blower
screws
Vent Box
Air Plate
Remove screws securing outlet
flange to the flue adapter.
Refit in reverse order.
Remove screws securing flue
blower mounting plate to vent
box.
Remove screws securing
mounting plate to blower.
Refit in reverse.
Use new gaskets.
Ensure sealed joints.
Ensure mounting plate orifice is
clear and not obstructed.
MODEL
UHA[T][M][X][S]
350 - 400
Flue Blower P/N 90710402
IT IS IMPORTANT THAT ONLY THE CORRECT FLUE BLOWER SPECIFIED FOR EACH MODEL TYPE
IS USED WHEN REPLACING THESE ITEMS.
Carry out a start-up after working on or changing an flue blower. See Page 29, Section 11.