Bryant 376CAV Service And Maintenance Procedures

NOTE: Read the entire instruction manual before starting the
installation.
TABLE OF CONTENTS
SAFETY CONSIDERATIONS.....................................................1
INTRODUCTION..........................................................................2
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS
PROCEDURE ................................................................................2
CARE AND MAINTENANCE.....................................................2
Cleaning and/or Replacing Air Filter.......................................2
Blower Motor and Wheel.........................................................3
Cleaning Heat Exchanger.........................................................5
Electrical Controls and Wiring.................................................6
WIRING DIAGRAMS...................................................................9
Troubleshooting..............................................................................9
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, tags, and
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.
54-1999/ANSI Z223.1-1999. In Canada, refer to the current
edition of the National Standard of Canada CAN/CGA-B149.1-
and .2-M95, Natural Gas and Propane Gas Installation Codes
(NSCHGPIC). Wear safety glasses and work gloves. Have fire
extinguisher available during start-up and adjustment procedures
and service calls.
REGISTERED QUALITY SYSTEM
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EFFICIENCY
RATING
CERTIFIED
CERTIFIED
Fig. 1—Model 376CAV Horizontal
A94087
Fig. 2—Model 376CAV Downflow
A94086
Fig. 3—Model 395CAV Uplfow
A94085
service and
maintenance procedures
SINGLE-STAGE
INDUCED-COMBUSTION
GAS-FIRED FURNACE
Cancels: SP04-60 SP04-63
10-00
376CAV
395CAV
Series H&J
—1—

Bryant 376CAV Specifications

General

Model	376CAV
Blower Motor	ECM
Stages	Two-Stage
Fuel Type	Gas
Efficiency Rating	96% AFUE
Heating Capacity	120, 000 BTU/h
Blower Type	Variable Speed
Warranty	10-Year Limited Warranty