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Bryant 355BAV Service And Maintenance Instructions

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355BAV
DEDICATED UPFLOW
VARIABLE- -CAPACITY
CONDENSING GAS FURNACES
Service and Maintenance Instructions
NOTE: Read the entire instruction manual before starting the
installation.

TABLE OF CONTENTS

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!
ELECTRICAL SHOCK, FIRE, OR OPERATION
HAZARD
Failure to follow safety warnings exactly could result in
dangerous operation, serious injury, death, or property
damage.
Improper servicing could result in dangerous operation,
serious injury, death, or property damage.
- - Before servicing, disconnect all electrical power to
furnace.
- - When servicing controls, label all wires prior to
disconnecting. Reconnect wires correctly.
- - Verify proper operation after servicing.
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!
ELECTRICAL SHOCK, FIRE, OR EXPLOSION
HAZARD
1
Failure to follow this warning could result in possible
damage to this equipment, serious personal injury, or
2
death.
2
The ability to properly perform maintenance on this
3
equipment requires certain expertise, mechanical skills,
tools, and equipment. If you do not possess these, do
3
not attempt to perform any maintenance on this
4
equipment other than those procedures recommended in
5
the User's Manual.
6
7
!
8
9
FIRE OR EXPLOSION HAZARD
10
Failure to follow this warning could cause corrosion of
heat exchanger, fire, personal injury, or death.
10
Never store anything on, near, or in contact with the
11
furnace, such as:
16
1. Spray or aerosol cans, rags, brooms, dust mops,
vacuum cleaners, or other cleaning tools.
2. Soap powders, bleaches, waxes or other cleaning
compounds, plastic or plastic containers, gasoline,
kerosene, cigarette lighter fluid, dry cleaning fluids, or
other volatile fluids.
3. Paint thinners and other painting compounds, paper
bags, or other paper products.

SAFETY CONSIDERATIONS

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
CAUTION. These words are used with the safety- -alert symbol.
DANGER 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 may 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.
WARNING
WARNING

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Summary of Contents for Bryant 355BAV

  • Page 1: Table Of Contents

    355BAV DEDICATED UPFLOW VARIABLE- -CAPACITY CONDENSING GAS FURNACES Service and Maintenance Instructions NOTE: Read the entire instruction manual before starting the WARNING installation. TABLE OF CONTENTS ELECTRICAL SHOCK, FIRE, OR EXPLOSION PAGE HAZARD SAFETY CONSIDERATIONS ......

  • Page 2: General

    Installing and servicing heating equipment can be hazardous due Follow all safety codes including the National Fuel Gas Code to gas and electrical components. Only trained and qualified (NFGC) NFPA 54- -2002/ANSI Z223.1- -2002 in the USA, CSA service agency personnel should install, repair, or service heating B149.1- -05 National Standard of Canada, Natural Gas and equipment.

  • Page 3: Care And Maintenance

    5. Use this procedure for installed and uninstalled (un- of airflow. Rinse filter and let dry. Oiling or coating of the grounded) furnaces. filter is not recommended. 6. Before removing a new control from its container, dis- 5. If equipped with factory specified disposable media filter, charge your body’s electrostatic charge to ground to pro- replace only with a factory specified media filter of the tect the control from damage.

  • Page 4: Blower Motor And Wheel Maintenance

    BURNER ENCLOSURE PRESSURE REFERENCE TUBE ASSEMBLY COLLECTOR BOX TUBE (PINK) COLLECTOR BOX TUBE (GREEN) PLUG INDUCER HOUSING (MOLDED) DRAIN TUBE (BEHIND COLLECTOR BOX DRAIN TUBE) CONDENSATE TRAP COLLECTOR BOX DRAIN TUBE (BLUE) FIELD-INSTALLED FACTORY -SUPPLIED DRAIN TUBE COUPLING (RIGHT DRAIN OPTION) FIELD-INSTALLED FACTORY-SUPPLIED DRAIN TUBE COUPLING (LEFT DRAIN OPTION)

  • Page 5: Cleaning Burners

    c. Connect field drain to condensate trap. CELL PANEL NOTE: Ensure tubes are not kinked or pinched, as this will affect operation. MANIFOLD MOUNTING 12. Reinstall control box, transformer, and door switch assem- SCREWS bly on blower shelf. 13. Reconnect wires. Refer to furnace wiring diagram and connect thermostat leads if previously disconnected.

  • Page 6: Cleaning Heat Exchangers

    CAUTION WARNING ELECTRICAL SHOCK HAZARD UNIT DAMAGE HAZARD Failure to follow this warning could result in electrical Failure to follow this caution may result in furnace shock, personal injury, or death. component damage. Igniter wires must be securely placed in slot in manifold Label all wires prior to disconnection when servicing grommet or else they could become pinched or severed controls.

  • Page 7: Flushing Collector Box And Drainage System

    CAUTION UNIT MAY NOT OPERATE Failure to attach ground wire to an adequate casing ground may cause the furnace control to lock out. The ground wire from the gas valve MUST be attached to the burner box attachment screw. NOTE: Be sure burner box gasket is installed between burner box and cell panel.

  • Page 8: Servicing Hot Surface Igniter

    A06460 Fig. 10 --- Furnace Pressure and Drain Tubing Diagram 1. Turn off gas and electrical supplies to furnace. WARNING 2. Remove main furnace door. 3. Disconnect igniter wire connection. FIRE OR EXPLOSION HAZARD 4. Check igniter resistance. Igniter resistance is affected by Failure to follow the safety warnings exactly could temperature.

  • Page 9: Electrical Controls And Wiring

    BURNER FLAME IGNITER EXTENDED IGNITER BURNER BRACKET HANDLE BRACKET 9/16˝ IGNITER BRACKET 11/16˝ MOUNTING SCREW MANIFOLD A05075 Fig. 13 --- Igniter Bracket A89020 Fig. 11 --- Burner Flame CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in premature failure of the igniter.

  • Page 10: Checking Heat Tape Operation (If Applicable)

    CAUTION WARNING ELECTRICAL SHOCK HAZARD UNIT AND PROPERTY DAMAGE Failure to follow this warning could result in personal Failure to follow this caution may result in furnace injury or death. component failures or water property damage. There may be more than 1 electrical supply to the unit. If this furnace is to be operated in an unconditioned space Check accessories and cooling unit for additional where the ambient temperatures may be 32_F or lower,...
  • Page 11 FIELD 24-VOLT WIRING FIELD 115-, 208/230-, 460-VOLT WIRING FACTORY 24-VOLT WIRING FACTORY 115-VOLT WIRING NOTE 2 1-STAGE THERMOSTAT FIVE FIELD-SUPPLIED TERMINALS WIRE FUSED DISCONNECT THREE-WIRE 208/230- OR HEATING- 460-VOLT ONLY THREE PHASE 208/230- W/W1 VOLT NOTE 1 SINGLE Y/Y2 115-VOLT FIELD- JUNCTION PHASE SUPPLIED...

  • Page 12: Wiring Diagrams

    Before removing blower access panel or turning off 115- -v power, look into blower access panel sight glass for current LED status. 1. To retrieve status code, proceed with the following: NOTE: NO thermostat signal may be present at furnace control and all blower time delay periods must be completed.
  • Page 13 h. After status code 11 flashes for at least 2 times, remove i. Turn setup switch SW1- -1 to OFF position. R, W/W1, and Y/Y2 jumpers. j. Remove tape to release blower access panel door switch and replace blower access panel. k.
  • Page 14 A06562 Fig. 20 --- Service Label...
  • Page 15 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * CONNECTION DIAGRAM TO 115VAC FIELD-DISCONNECT SWITCH SCHEMATIC DIAGRAM...
  • Page 19 SERVICE TRAINING Packaged Service Training programs are an excellent way to increase your knowledge of the equipment discussed in this manual, including: • Unit Familiarization • Maintenance • Installation Overview • Operating Sequence A large selection of product, theory, and skills programs is available, using popular video-based formats and materials.

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