service and | 394HAD |
maintenance procedures | 396HAD |
| Series C |
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Cancels: | |
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NOTE: Read the entire instruction manual before starting the installation.
→These procedures are for sizes 65,000 through 150,000 Btuh units.
Index | Page |
SAFETY CONSIDERATIONS | 1 |
CARE AND MAINTENANCE | |
Air Filter Arrangement | |
Blower Motor and Wheel | |
Cleaning Heat Exchanger | |
Electrical Controls and Wiring | 5 |
Pilot | 5 |
Troubleshooting | 5 |
Unit Wiring Diagram | |
Troubleshooting Chart | 8 |
SAFETY CONSIDERATIONS
Installing and servicing heating equipment can be hazardous due to gas and electrical components. Only trained and qualified person- nel should install, repair, or service heating equipment.
Untrained personnel can perform basic maintenance functions such as cleaning and replacing air filters. All other operations must be performed by trained service personnel. When working on heating equipment, observe precautions in the literature, on tags, and on labels attached to or shipped with the unit and other safety precautions that may apply.
Follow all safety codes. In the United States, follow all safety codes including the National Fuel Gas Code NFPA No. 54- 1992/ANSI
Recognize safety information. This is the
Understand the signal word DANGER, WARNING, or CAU- TION. These words are used with the
Ð1Ð
ama | CANADIAN GAS ASSOCIATION |
® |
|
| A P P R O V E D |
| R |
A92058
Fig. 1ÐModel 396HAD
Downflow
A92057
Fig. 2ÐModel 394HAD Upflow
WARNING: The ability to properly perform mainte- nance on this equipment requires certain expertise, me- chanical skills, tools, and equipment. If you do not possess these, do not attempt to perform any maintenance on this equipment other than those procedures recom- mended in the User's Manual. FAILURE TO FOLLOW THIS WARNING COULD RESULT IN POSSIBLE DAMAGE TO THIS EQUIPMENT, SERIOUS PER- SONAL INJURY, OR DEATH.
CARE AND MAINTENANCE
For continuing high performance and to minimize possible equip- ment failure, it is essential that periodic maintenance be performed on this equipment. Consult your local dealer as to the proper frequency of maintenance and the availability of a maintenance contract.