UHD S
TANDARD
D
UCT
F
URNACE
I
NSTALLATION
O
PERATION AND
S
ERVICE
M
ANUAL
48 of 55
15.6 Flue Blower for Models UHD[T][M][X][S][R] 350-400
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 a flue blower.
See Page 28, Section 11
.
MODEL
UHD[T][M][X][S][R] 350 - 400
Flue Blower P/N
90710402
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.
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
Summary of Contents for UHD 150 series
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Page 27: ...SECTION 9 GAS PIPING 19 of 55 Figure 13 Gas Connection ...
Page 47: ...SECTION 14 TROUBLESHOOTING 39 of 55 14 1 General ...
Page 62: ...UHD STANDARD DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL 54 of 55 ...
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