DUALAIR® HEATING AND COOLING UNITS INSTALLATION OPERATION AND SERVICE MANUAL
16.4 Flue Fan
Rear Panel
Flue Adapter
Hole to Flue Fan screws
Vent Box 
Vent Box |
| Flue | |
Outlet | Adapter | ||
screws | |||
| Gasket |
| |
| Flue Fan |
| |
| Disconnect | ||
| electrical connections | ||
| at plug in tabs. | ||
Remove screws securing outlet flange to the flue adapter.
| Mounting | Vent Box |
|
| |
| Plate |
|
Gasket |
| Mounting Plate |
| to Vent Box | |
|
| screws |
|
| Gasket |
Mounting Plate |
| Air Plate |
to Flue Fan |
| |
|
| |
screws |
|
|
Remove screws securing flue fan mounting plate to vent box Remove screws securing mounting plate to fan.
Refit in reverse. Use new gaskets. Ensure sealed joints.
Ensure mounting plate orifice is clear and not obstructed.
|
| MODEL | 75 | 90 | 100 | 115 |
|
| Flue Fan | AO Smith | AO Smith | AO Smith | Torin DSF |
| |
|
| ||||||
| JFIG07INS | JFIG07INS | JFIG07INS |
| |||
|
|
| 077274 |
| |||
|
|
|
|
|
|
| |
| RG P/N | 90710001 | 90710001 | 90710001 | 90710450 |
| |
| Air | mm dia | 97.0 | 103.6 | 110.5 | 152.4 |
|
| Plate | in dia | 3.82 | 4.08 | 4.35 | 6 |
|
| RG P/N | 11011134 | 11011133 | 11011132 | 11011131 |
| |
IT IS IMPORTANT THAT ONLY THE CORRECT FLUE FAN SPECIFIED FOR EACH MODEL TYPE IS USED WHEN REPLACING THESE ITEMS.
Carry out a commission after working on or changing a flue fan. See Page 25, Section 12.
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