Bryant 352MAV User Manual

NOTE: Read the entire instruction manual before starting theinstallation.TABLE OF CONTENTSSAFETY CONSIDERATIONS...

1. The inducer will start and run on high speed.2. After 7 sec the inducer motor will continue to run while thehot surface ignitor HSI is energized fo

Fig. 15—Wiring Diagram A01018LEGENDBHI / LOR BLOWER MOTOR SPEED CHANGE RELAY, SPDTBHT / CLR BLOWER MOTOR SPEED CHANGE RELAY, SPDTBLWM BLOWER MOTOR,

Fig. 16—Service LabelA01053SERVICEEach of the following status codes is a two-digit number with the first digit determined bythe number of short flash

A01056If inducer and burners continue to operate, check for 24v at thegas valve. If 24v are present, verify that the thermostat is openacross R and W.

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© 2001 Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231—16—Printed in U.S.A. sp0548 Catalog No. 5335-201

This is the safety-alert symbol . When you see this symbol onthe furnace and in instructions or manuals, be alert to the potentialfor personal injury.

4. Check for proper condensate drainage. Clean as necessary.5. Check for blockages in combustion-air and vent pipesannually.6. Check burners for clean

8. If greasy residue is present on blower wheel, remove wheelfrom the blower housing and wash it with an appropriatedegreaser. To remove wheel:a. Mark

8. Remove manifold, orifices, and gas valve as 1 assembly.9. Remove screws attaching burner assembly in burner box.10. Remove burner assembly from bur

NOTE: Inspect combustion-air intake housing. If foamed gasketwas removed, check for any damage. If gasket is damaged in anyway, it must be repaired. T

B. Secondary Heat ExchangersNOTE: The condensing side (inside) of the secondary heatexchangers CANNOT be serviced or inspected. A small number ofbotto

box. The screw in the bracket is always located towardoutside of burner box. The screw may be hidden by inletbox or inlet pipe, but can be removed wit

NOTE: Heat tape, when used, should be wrapped around thecondensate drain trap and drain line. There is no need to use heattape within the furnace casi