UHD LOW PROFILE DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL
14.5 Flue Blower Vertical Installation
Intake &
Exhaust
Covers
Mounting Plate
to Vent Box
fixing screws
Air Intake
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
Adaptor
Gaskets
top, remove the blower and mounting plate as above.
Vent Box
Mounting Plate
to Flue Blower
screws
Intake & | Air Intake Adapter |
| |
Exhaust |
|
Covers |
|
| Gasket |
Flexible Air
Duct
Mounting Plate
to Vent Box
fixing screws
NOTE: Separated combustion model shown.
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.
MODEL | UHD[X][S][R] 75 | UHD[X][S][R] 100 | UHD[X][S][R] 125 |
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Flue Blower P/N | 90710404 | 90710405 | 90710405 |
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IT IS IMPORTANT THAT ONLY THE CORRECT FLUE BLOWER SPECIFIED FOR EACH MODEL TYPE IS USED WHEN REPLACING THESE ITEMS.
Carry out a
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