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Carrier BW9 User Manual
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Carrier BW9 User Manual

Carrier BW9 User Manual

Gas-fired direct vent condensing water boiler
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Download this manual See also: Operation & Maintenance Manual, User's Information Manual
WARNING: FIRE OR EXPLOSION
!
HAZARD If the information in this manual is
not followed exactly, a fire or explosion could
result causing property damage, personal
injury or death.
— 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.
— Installation and service must be performed by a
qualified installer, service agency or the gas supplier.
NOTE TO INSTALLER:
This manual must be left with the equipment user.
Please read all manuals and retain manuals for
future reference.
WARNING: CARBON MONOXIDE
!
POISONING HAZARD
Failure to follow this warning could result in
personal injury or death. Carbon Monoxide is
invisible, odorless, and toxic! We recommend a
carbon monoxide alarm in your home, even if
you do not own a gas appliance. Locate the car-
bon monoxide alarm in the living area of your
home and away from gas appliances and door-
ways to attached garages. Follow the alarm
manufacturer's instructions included with the
alarm.
Gas-Fired Direct Vent Condensing Water Boiler
USER:
Click anywhere in these pages to
return to details about High
Efficiency Condensing Boilers &
Furnaces at InspectAPedia.com
Model BW9
Gas-Fired
Direct Vent
Condensing
Water Boiler
USER'S INFORMATION
MANUAL FOR THE
OPERATION AND
MAINTENANCE OF YOUR
NEW GAS-FIRED DIRECT
VENT CONDENSING BOILER
Do not use this furnace if any part has been un-
der water. A flood-damaged furnace is extreme-
ly dangerous. Attempts to use the furnace can
result in fire or explosion. A qualified service
agency should be contacted to inspect the fur-
nace and to replace all gas controls, control sys-
tem parts, electrical parts that have been wet or
the furnace if deemed necessary.

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Summary of Contents for Carrier BW9

  • Page 1 — 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 Model BW9 in your building. • Immediately call your gas supplier from a neighbor’s phone.

  • Page 2: Boiler Identification

    Model BW9-50 Through 100 Model BW9-125 Through 200 Gas-Fired Direct Vent...
  • Page 3 PURGE VALVE BACKFLOW PREVENTER PRESSURE REDUCING VALVE SERVICE VALVE RETURN FROM SYSTEM EXPANSION TANK BW9 125, 150, 175, 200 BW9 050, 075, 100 Typical Single Zone Piping Typical Single Zone Piping ZONE SERVICE VALVE ZONE VALVE SUPPLY TO PRESSURE ZONES...

  • Page 4: Safety Considerations

    SAFETY CONSIDERATIONS Installing and servicing heating equipment can be hazardous due to gas and electrical components. Only trained and qualified personnel should install, repair, or service heating equipment. Untrained personnel may perform the inspections shown in this Owners Guide. All other operations must be performed by trained service personnel.
  • Page 5 4. Remove the front jacket panel. (See Fig. 14 or 16) 5. Turn the gas control knob clockwise to “OFF” on BW9 050, 075 and 100 models. (See Fig. 17) On BW9 125, 150, 175 and 200 models turn manual gas control valve to “OFF”. (See Fig. 15)

  • Page 6: Performing Routine Maintenance

    INLET GAS CONTROL KNOB SHOWN IN "ON" POSITION BW9-50 Through 100 BW9-125 Through 200 8. Replace the front jacket panel. 9. Turn on all electric power to the appliance. (See Fig. 20) 10. Set thermostat to desired setting. 11. If the appliance will not operate, follow the instructions “TO TURN OFF GAS TO APPLIANCE” and call your service technician or gas supplier.
  • Page 7 1. Turn the electrical supply to the boiler to OFF, and remove burner access door. SIGHT GLASS Model BW9-125 Through 200 SIGHT GLASS Model BW9-50 Through 100 2. Using the sight glass, carefully inspect the burner area including the burner for dirt, soot, or rust. Service and additional maintenance information can be located in the installation instructions.
  • Page 8 VENT INTAKE/EXHAUST PIPE EXHAUST TEE WARNING: CARBON MONOXIDE POISONING AND PROPERTY DAMAGE HAZARD. A failure to follow this warning could result in property damage, personal injury or death. If holes are found—or if the vent pipe is obstructed or is not con- nected—toxic fumes can escape into your home.

This manual is also suitable for:

Bw9-50Bw9-100Bw9-125Bw9-200Bw9-75Bw9-175