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SECTION 16: REMOVAL AND REPLACEMENT PARTS
39 of 42
16.4 Flue Fan Vertical Installation (Models 7 - 15)
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.
MODEL CTCU-7 CTCU-11 CTCU-15
Flue Fan
Fasco
7021-11767
Fasco
7021-11767
Fasco
7021-11767
RG P/N 90710470 90710470 90710470
Air Plate mm Ø 35 44 57
in Ø 1. 3 8 1.75 2.25
RG P/N 11111210 11112210 11113210
1. To rem ove the fan, remove 3
screws securing the fan/
mounting plate to the vent box.
2. To remove the fan from the
mounting plate, remove the 4
screws.
3. Refit in reverse order.
4. To change the flue and air
intake orientation from back to
top, remove the fan/mounting
plate as explained in Steps 1
and 2.
5. Remove intake and exhaust
cover(s) from top of the heater.
6. Rotate the fan, mounting plate
and gasket clockwise until the
flue adapter lines up with the
top hole. Secure with 3 screws.
7. R em o ve the flexible duct from
the air intake adapter on the
back.
8. Remove the air intake adapter
from the back of the heater.
Install in the appropriate hole
on top.
9. Reconnect the flexible duct.
10.Install intake and exhaust
cover(s) over the holes on the
back of the heater.
11. Ensure sealed joints. Ensure
mounting plate orifice is clear
and not obstr
ucted.