4.0 Accessibility
4.1 Internal Component and Electrical Wiring
For access to the internal components of the HTK-EXT,
1. Remove (3) screws securing the vinyl siding heat
deflector to the HTK-EXT base.
2. Remove (3) screws along each side of the cover as-
sembly. Remove cover assembly from the base of
the HTK-EXT. See FIGURE 4.1.
Figure 4.1 - Remove Cover Assembly
3. Remove (4) screws securing the lid to the
waterproof electrical box. See FIGURE 4.2.
Figure 4.2 - Remove Electrical Box Lid
HTK-EXT
4.2 Capacitor Replacement
1. Remove (4) screws securing the lid to the waterproof elec-
trical box. See FIGURE 4.2.
2. Using a small, flat blade screwdriver (or a pick), push the
tabs in on the terminal box to release the wiring of the ca-
pacitor.
3. Install the new capacitor by using the same tool you used to
open the terminal box wiring tabs.
4.3 Fan Replacement
1. Remove (4) screws securing the lid to the waterproof elec-
trical box. See FIGURE 4.2.
2. Using a small, flat blade screwdriver (or a pick), push the
tabs in on the terminal box to release the wiring of the fan
impeller.
3. Push the wiring out of the grommet in the electrical box.
4. Remove the (4) Phillips screws securing the fan to the fan
bracket.
5. Remove the fan.
6. Install the replacement fan.
7. Secure the fan to the fan bracket (4) screws.
8. Push the wiring through the grommet in the electrical box.
9. Secure wiring into the terminal block.
10. Secure the lid to the waterproof electrical box (4) screws.
12
Rev. 11 - April 2024