Bryant manual Furnace Components, Shown In Upflow Position, MODEL 345MAV FURNACE

FURNACE COMPONENTS

1Burner sight glass for viewing burner flame.

2Burner assembly (inside). Operates with energy- saving inshot burners and hot surface ignitor for safe, dependable heating.

3Combustion-air intake connection (right or left side).

4Redundant gas valve. Safe, efficient. Features 1 gas control with 2 internal shutoff valves.

5Junction box for 115-v electrical power supply.

6Vent outlet. Uses PVC pipe to carry vent gases from the furnace’s combustion system (right or left side).

7Secondary condensing heat exchanger (inside). Wrings out more heat through condensation. Constructed with polypropylene-laminated steel to ensure durability.

8Pressure switch ensures adequate flow of flue products through furnace and out vent system.

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Inducer motor. Pulls hot flue gases through the heat exchangers, maintaining negative pressure for added safety.

Condensate drain connection. Collects moisture condensed from burned gases for disposal into home drain system.

MODEL 345MAV FURNACE
(SHOWN IN UPFLOW POSITION)	2

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Heavy-duty blower. Circulates air across the heat exchangers to transfer heat into the home.

Air filter and retainer.

Rollout switch (manual reset) to prevent overtemperature.

Primary serpentine heat exchanger (inside). Stretches fuel dollars with the S-shaped heat-flow design. Solid construction of corrosion-resistant aluminized steel means reliability.

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3-amp fuse provides electrical and component protection.

Light emitting diode (LED) on control center. Code lights are for diagnosing furnace operation and service requirements.

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Control center.

Blower access panel safety interlock switch.

Transformer (24v) behind control center provides low-voltage power to furnace control center and thermostat.

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