| SERVICE |
| |
PROCEDURES |
| ||
| Continued |
| |
Changing Burner Orifice | Burner | ||
1. | Shut off gas supply to |
| |
| heater. |
| |
2. | Remove lower front |
| |
| access panel on heater. | Orifice | |
3. | Disconnect burner tube | ||
| |||
| from orifice holder (see | Burner | |
| Figure 25). | ||
| Tube | ||
4. | Remove orifice holder | ||
| |||
| from burner (see Figure |
| |
| 25). |
| |
5. | Use socket or |
| |
| wrench to remove the old | Orifice | |
| orifice from the orifice | ||
| Holder | ||
| holder. |
| |
6. | Clean and replace orifice, | Figure 25 - Orifice Location (35,000 BTU/Hr Burner Shown) | |
| or replace with new | ||
|
| ||
| orifice. |
| |
7. | Turn on gas to heater and |
| |
| check for gas leaks. Apply |
| |
| a mixture of liquid soap |
| |
| and water to all joints. |
| |
| Bubbles forming show a |
| |
| leak. Correct all leaks at |
| |
| once. |
| |
8.Replace lower front access panel.
Figure 26 - Orifice
BLOWER |
|
| Fan Switch |
|
| |
|
|
|
|
| ||
WIRING |
|
| (Off/On/Auto) |
|
| |
|
|
| Auto |
|
| |
|
|
|
|
|
| |
DIAGRAM |
|
| Off |
|
| |
|
|
|
|
|
| |
(For Models With |
|
| On |
| Fan | |
|
|
|
| Red | ||
Blower Assembly) |
|
|
|
| ||
|
|
|
| Switch | ||
|
|
|
|
| ||
|
|
| Black Blue |
| (N.O.) | |
|
|
|
|
|
| Black |
|
|
|
|
|
| Blower |
| 110/115 V.A.C. |
| Motor | |||
|
|
| Black |
| Red | |
|
|
|
|
|
| |
|
|
| White |
| White | |
|
|
| Green |
|
| |
|
|
|
|
|
|
|
34
100793
