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UHA LOW PROFILE UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL
46
14.6 Flue Blower Vertical Installation
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 33, Section 11.
MODEL UHA[X][S] 30 -75 UHA[X][S] 100 - 125
Flue Blower P/N 90710404 90710405
Mounting Plate
to Vent Box
fixing screws
Flexible Air
Duct
Intake &
Exhaust
Covers
Air Intake Adapter
Gasket
Air Intake
Adaptor
Intake &
Exha
ust
Covers
Mounting Plate
to Vent Box
fixing screws
Gaskets
Vent Box
Mounting Plate
to Flue Blower
screws
To remove the blower,
remove screws securing the
fan and mounting plate to
the vent box.
To remove the blower from
the mounting plate, remove
screws.
Refit in reverse order.
To change the vent and air
intake orientation from back
to top, remove the blower
and mounting plate as
above.
Remove intake (if
applicable) and exhaust
covers from top of the
heater.
Rotate the blower, mounting
plate and gasket clockwise
until the flue adapter lines
up with the top hole. Secure
screws.
If applicable, remove the
flexible air duct from the air
intake adapter on the back.
If applicable, remove the air
intake adapter from the back
of the heater and install in
the appropriate hole on top.
Reconnect the flexible air
duct.
Install intake and exhaust
covers over the back holes.
NOTE: Seperated combustion model shown.