Bryant A93040 инструкция обслуживания

NOTE: Read the entire instruction manual before performing any service or maintenance. This symbol → indicates a change since the last issue. Index Page SAFETY CONSIDERATIONS ..................................................1-2 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS........2 GENERAL.............................................................[...]

WARNING: Never store anything on, near, or in contact with the furnace, such as: 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[...]

8. Recapture filter retainer wire. 9. Replace blower access panel and main furnace door. 10. Turn on electrical supply to furnace. NOTE: If the filter has cross-mesh binding, the binding must face the blower. If the filter has an air direction arrow, the arrow must point toward the blower. II. BLOWER MOTOR AND WHEEL MAINTENANCE To ensure long life,[...]

WARNING: Blower access panel door switch opens 115-v power to control center. No component operation can occur. Caution must be taken when manually closing this switch for service purposes. Failure to follow this warning could result in personal injury or death. 15. If furnace is operating properly, release blower access panel door switch, replace [...]

10. Remove screws attaching burner box to cell panel. (See Fig. 5.) NOTE: Burner box, cover, manifold, gas valve, and burner assembly should be removed as 1 assembly. 11. Clean heat exchanger openings with a vacuum and a soft brush. (See Fig. 6.) NOTE: After cleaning, inspect the heat exchangers to ensure they are free of all foreign objects that m[...]

Fig. 8—Furnace Pressure and Drain Tubing Diagram A94212 Furnace is shipped from factory in upflow configuration. Pressure tube and drain tube routing MUST match the diagram s below. 322094-101 REV. B NOTE: This appliance requires a special venting system. Refer to the installation instructions for parts list and method of installation. Furnace mu[...]

12. Reconnect pressure tubes to pressure switches. See diagram on main furnace door for proper location of tubes. Be sure tubes are not kinked. (See Fig. 8.) 13. Turn on gas and electrical supplies to furnace. 14. Check furnace operation through 2 complete heat operating cycles. Check area below inducer housing, vent pipe, and condensate trap to en[...]

The 24-v circuit contains an automotive-type, 3-amp fuse located on the control center. (See Fig. 12.) Any direct shorts of the 24-v wiring during installation, service, or maintenance will cause this fuse to blow. If fuse replacement is required, use ONLY a fuse of identical size. With power to the unit disconnected, check all electrical connec- t[...]

g. Manually close blower access panel door switch. Use a piece of tape to hold switch closed. WARNING: Blower access panel door switch opens 115-v power to control center. No component operation can occur. Caution must be taken when manually closing this switch for service purposes. Failure to follow this warning could result in personal injury or [...]

(1.) Release blower access panel door switch and turn setup switch SW-6 to OFF position. (2.) Replace blower access panel. (3.) Operate furnace through 1 heat cycle to check for proper operation and check LED status. (4.) If furnace is operating properly and LEDs indicate proper operation, replace main furnace door. IX. CHECKING HEAT TAPE OPERATION[...]

Fig. 13—Inducer Housing Drain Tube A94208[...]

EACH OF THE FOLLOWING STATUS CODES IS A TWO DIGIT NUMBER WITH THE FIRST DIG IT DETERMINED BY NUMBER OF FLASHES OF THE YELLOW LED AND THE SECOND DIGIT DETERMINED BY NUMBER OF FLASHES OF THE GREEN LED. RED LED1 ON Furnace is operating in emergency heat. RED LED2 ON The microprocessor has malfunctioned. To reset: Put setup switch " SW-1 " in[...]

Fig. 15—Service Label A93305 To initiate t he component test sequence, shut "OFF" the room thermostat o r disconnect th e "R" thermostat lead. Put setup switch "SW-6" in the "ON" po sition to start the compon ent test sequence . Once initiated the main board will t urn "ON" the inducer motor-low s[...]

→ Fig. 16—Wiring Diagram A98305 FRS LS ALS FSE GV C M P HI NOT E #3 3 PL1 PL7 12 1 0 4 6 12 ORN BRN YEL GRN BLK WHT 3 PL 9 HS I 12 1. 5 A MP EAC1 EAC2 2 1 PL4 1 2 3 7 8 4 5 6 YEL ORN BRN GR N BLU BRN RED 10 11 B2 RED 9 5 PL3 5BL U 4YEL 3VIO 2ORN 1RE D RE D ORN VIO YEL BLU WHT BLK RED ORN VIO YEL BLU 98 765432 1 PL10 1 PL 11 5 IND. NOT E #7 PL11[...]

A94328 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 availa[...]

© 1998 Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231 —16— Printed in U.S.A. sp0539 Catalog No. 5335-505[...]