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service and | 373LAV |
maintenance procedures | 383KAV |
Series G | |
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SAFETY CONSIDERATIONS |
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NOTE: Read the entire instruction manual before performing any | |
service or maintenance. |
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This symbol → indicates a change since the last issue. |
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These procedures are for size 45,000 through 155,000 Btuh input | |
units. |
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Index | Page |
SAFETY CONSIDERATIONS | |
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS |
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PROCEDURE | 2 |
CARE AND MAINTENANCE | |
Air Filter Arrangement | |
Blower Motor and Wheel | |
Cleaning Heat Exchanger | |
Electrical Controls and Wiring | |
Troubleshooting | |
Unit Wiring Diagram | 8 |
Service Label | 9 |
Troubleshooting Guide | |
SAFETY CONSIDERATIONS |
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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. |
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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. |
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→Follow all safety codes. In the United States, follow all safety codes including the National Fuel Gas Code (NFGC) NFPA No.
Recognize safety information. This is the . When you see this symbol on the furnace and in instructions or manuals, be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, and CAU- TION. These words are used with the
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Cancels: | |
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A94087
Fig. 1ÐModel 373LAV Horizontal
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ama
CANADIAN GAS ASSOCIATION
A P P R O V E D
R
A94086
Fig. 2ÐModel 373LAV
Downflow
REGISTERED QUALITY SYSTEM
A94085