Bryant CONDENSING GAS FURNACE 340MAV User's Information Manual
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Bryant CONDENSING GAS FURNACE 340MAV User's Information Manual

Condensing gas furnace
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MODEL 350MAV (shown)
Do not use this furnace if any part has been under water. Immediately call a qualified service technician
to inspect the furnace and to replace any part of the control system and gas control which has been
under water.
USER'S INFORMATION MANUAL
MODEL 340MAV, 350MAV, 352MAV,
355MAV CONDENSING GAS
FURNACE
NOTE TO INSTALLER:
This manual must be left with the equipment user.
!
WARNING: If the information in this manual
is not followed exactly, a fire or explosion may
result causing property damage, personal injury or
loss of life.
— Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliance.
— WHAT TO DO IF YOU SMELL GAS:
— Do not try to light any appliance.
— Do not touch any electrical switch; do not use
any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call the
fire department.
A97381
— Installation and service must be performed by a
qualified installer, service agency or the gas
supplier.
SM
As an ENERGY STAR
Partner,
Bryant Heating & Cooling
Systems has determined that
this product meets the ENERGY
STAR guidelines for energy
efficiency.

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Summary of Contents for Bryant CONDENSING GAS FURNACE 340MAV

  • Page 1 MODEL 350MAV (shown) Do not use this furnace if any part has been under water. Immediately call a qualified service technician to inspect the furnace and to replace any part of the control system and gas control which has been under water.

  • Page 2: Welcome To A New Generation Of Comfort

    * The output capacity and any representations of efficiency for this furnace are based on standard Department of Energy test procedures. INSTALLATION DATA Date Installed...

  • Page 3: Furnace Components

    Redundant gas valve. Safe, efficient. Features 1 gas control with 2 internal shutoff valves. Vent outlet. Uses PVC pipe to carry vent gases from the furnace’s combustion system (right or left side). Inducer motor. Pulls hot flue gases through the heat exchangers, maintaining negative pressure for added safety.

  • Page 4: Important Facts

    CHECK AIR FILTER: Before attempting to start your furnace, be sure the furnace air filter is clean and in place. See “Performing Routine Main- tenance” section in this manual. Then proceed as follows: STEPS FOR STARTING YOUR FURNACE 1.
  • Page 5 flow to the main burn- ers. After ignition and a time delay of about 35 sec, the furnace blower will start. Variable-capacity fur- naces start at low speed until the...

  • Page 6: Performing Routine Maintenance

    If this condition is left unattended, the furnace will eventu- ally lock out. It is recommended that the furnace air filter be checked every 3 or 4 weeks and cleaned if necessary. CAUTION Never operate your furnace without the air filter in place.
  • Page 7 40 and 41) 9. Turn on electrical supply to fur- nace. If your furnace air filter needs to be replaced, be sure to use the same size and type of filter that was originally supplied. Use the furnace filter table and compare your furnace size with the proper filter size.

  • Page 8: Heading South For The Winter

    DO NOT OPERATE YOUR FURNACE. Call your dealer for service. 4. Reinstall burner enclosure front. 5. If your furnace is free of the above conditions, replace main furnace door and turn on electrical and gas supplies to your furnace. (See Fig. 16, 17, and 18.) 6.

  • Page 9: A Check-Up Checklist

    Remedy any problem when necessary. • Inspect the return-air duct connec- tion(s) at the furnace to ensure it is physically sound, sealed to the furnace casing, and terminates outside the space containing the furnace.

  • Page 10: Before You Request Aservice Call

    BEFORE YOU REQUEST A SERVICE CALL If your furnace is not operating or not performing properly, you may save the expense of a service call by check- ing a few things yourself before calling for service. FOR INSUFFICIENT AIRFLOW: • Check for dirty air filter(s).

  • Page 11: Model 340/350Mav Diagnostic Chart

    Furnace Fuse Open Pressure Switch Not Closed 12, 21, 22, Any Other Fault Code or 23 No Fault Furnace Fails to Operate and No Code Fault is Signaled Signaled NOTES: 1. Light on continuously means control has power and working properly.
  • Page 12 5. The fault code is a 2-digit number. The first digit is determined by the number of flashes of the yellow light and the second digit is determined by number of flashes of the green light. © 2001 Bryant Heating & Cooling Systems, 7310 W. Morris St., Indpls., IN 46231 MODEL 355MAV DIAGNOSTIC CHART (See Fig.

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Condensing gas furnace 350mavCondensing gas furnace 352mavCondensing gas furnace 355mav

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