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58PAV, 58RAV
Induced-Combustion Furnaces
Service and Maintenance Instructions
For Sizes 045-155, Series 131
NOTE: Read the entire instruction manual before performing any
service or maintenance.
This symbol → indicates a change since the last issue.
Index Page
SAFETY CONSIDERATIONS..................................................1-2
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS
PROCEDURES.........................................................................2
CARE AND MAINTENANCE................................................2-11
Air Filter Arrangement..........................................................2-3
Blower Motor and Wheel......................................................3-4
Cleaning Heat Exchanger......................................................4-5
Electrical Controls and Wiring.................................................6
Troubleshooting...................................................................6-11
Unit Wiring Diagram................................................................8
Service Label ............................................................................9
Troubleshooting Guide......................................................10-11
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 (NFGC) NFPA No.
54-1992/ANSI Z223.1-1992. In Canada, refer to the current
edition of the National Standard of Canada CAN/CGA-B149.1-
and .2-M91 Natural Gas and Propane Installation Codes (NSC-
NGPIC). Wear safety glasses and work gloves. Have fire extin-
guisher available during start-up and adjustment procedures and
service calls.
Recognize safety information. This is the safety-alert symbol
.
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 safety-alert symbol. DAN-
GER identifies the most serious hazards which will result in severe
personal injury or death. WARNING signifies a hazard which
could result in personal injury or death. CAUTION is used to
identify unsafe practices which would result in minor personal
injury or product and property damage. NOTE is used to highlight
suggestions which will result in enhanced installation, reliability,
or operation.
Fig. 3—Model 58PAV
Upflow
A94085
Fig. 2—Model 58RAV
Downflow
A94086
Fig. 1—Model 58RAV Horizontal
A94087
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CANADIAN GAS ASSOCIATION
APPRO VED
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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
Tab 6a 8a
PC 101 Catalog No. 535-835 Printed in U.S.A. Form 58P,R-9SM Pg 1 9-94 Replaces: 58P,R-8SM