Filter
Top Products
COMBAT
®
CTCU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL
40 of 42
16.5 Flue Fan Vertical Installation (Models 22 - 32)
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-22 CTCU-27 CTCU-32
Flue Fan
Sit Controls
P1210838
Sit Controls
P1210838
Sit Controls
P1210838
RG P/N 90710471 90710471 90710471
Air Plate mm Ø 57 57 64
in Ø 2.25 2.25 2.5
RG P/N 12114210 12114210 11114210
1. To rem ove the fan, remove 5
screws securing the fan/
mounting plate to the vent box.
2. To remove the fan from the
mounting plate, remove the 2
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. Rotate the motor 90º counter-
clockwise and reinstall the 3
screws.
6. Remove intake and exhaust
cover(s) from top of the heater.
7. Rotate the fan, mounting plate
and gasket clockwise until the
flue adapter lines up with the
top hole. Secure with 5 screws.
8. Discard the piece of duct.
9. Install the intake/exhaust cover
and install the 3" alum-mylar
flex duct (after bending it to a
tight radius by hand).
10.Install intake and exhaust
cover(s) o
ver the holes on the
back of the heater.
11. Ensure sealed joints. Ensure
mounting plate orifice is clear
and not obstructed.