Instruction/ maintenance manual of the product A93040 Bryant
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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.
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.
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.
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.
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.
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.
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.
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.
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.
(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.
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.
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 .
→ 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.
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.
© 1998 Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231 —16— Printed in U.S.A. sp0539 Catalog No. 5335-505.
An important point after buying a device Bryant A93040 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bryant A93040 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bryant A93040 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bryant A93040 you will learn all the available features of the product, as well as information on its operation. The information that you get Bryant A93040 will certainly help you make a decision on the purchase.
If you already are a holder of Bryant A93040, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bryant A93040.
However, one of the most important roles played by the user manual is to help in solving problems with Bryant A93040. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bryant A93040 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center