Instruction/ maintenance manual of the product 383KAV Bryant
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SAFETY CONSIDERATIONS NOTE: Read the entire instruction manual before performing any service or maintenance. This symbol → indicates a change since the last issue. These procedures are for size 45,000 through 155,000 Btuh input units. Index Page SAFETY CONSIDERATIONS .
WARNING: The ability to properly perform mainte- nance on this equipment requires certain expertise, me- chanical skills, tools, and equipment. If you do not possess these, do not attempt to perform any maintenance on this equipment other than those procedures recom- mended in the User’s Manual.
1. Downflow/Horizontal Each furnace requires 2 filters which are installed in the return-air duct. (See Fig. 4 and 5.) To remove filters for cleaning or replacement, proceed as follows: a. Disconnect electrical power before removing blower access door.
a. Remove dust caps or plugs from oil ports located at each end of motor. b. Use a good grade of SAE 20 nondetergent motor oil and put 1 teaspoon, 5 cc, 3/16 oz, or 16 to 25 drops in each oil port. Do not over-oil. c. Allow time for total quantity of oil to be absorbed by each bearing.
(2.) Use 1/4-in. diameter wire brush (commonly known as 25-caliber rifle cleaning brush). NOTE: The materials needed in items (1.) and (2.) can usually be purchased at local hardware stores. (3.) Insert twisted wire end of brush into end of steel spring cable, and crimp tight with crimping tool or strike with ball-peen hammer.
The electrical ground and polarity for 115-v wiring must be maintained properly. Refer to Fig. 10 for field wiring information and to Fig. 12 for unit wiring information. NOTE: If the polarity is not correct, the STATUS LED on the control center will flash rapidly and prevent the furnace from operating.
→ Fig. 10—Heating and Cooling Application Wiring Diagram A98209 115-V FIELD-SUPPLIED DISCONNECT AUXILIARY J-BOX CONTROL BOX 24-V TERMINAL BLOCK THREE-WIRE HEATING- ONLY FIVE WIRE NOTE 1 NOTE 2 FIE.
→ Fig. 12—Wiring Diagram A98200e PCB BLOWER O FF DE LAY SELECTI O N CH ART 90 SEC 135 SEC 180 SEC 225 SEC GVR H I/L O RELAY SEC-1 SEC- 2 PL1 32 1 6 5 4 987 LED TEST/TW IN BLOWER OFF DELAY G R Y W C HUM HSIR IDR BLWR BLOWER SPEED SELECT FU1 COOL HEAT L2 PL3 PL2 VAC 120 L1 PR1 1 2 1 2 3 PR2 24 VAC-3A FUSE SPARE-2 SPARE-1 EAC-1 EAC-2 C 1.
Fig. 13—Service Label A96263 SERVICE 11 NO PREVIOUS CODE - Stored status codes are erased when power ( 115V or 24V) to control is interrupted or 48 hours after ea ch fault is cleared. 12 BLOWER ON AFTER POWER UP (115V or 24V) - Blowe r runs for 90 seconds, if unit is powered up during a call for heat (R-W closed).
Is circuit breaker closed? Close door switch and go to start. Is red LED status light on? Is door switch closed? Is red LED status light blinking rapidly without a pause? Is there 115v going to switch? Replace door switch. Replace control center. Replace transformer.
11 NO PREVIOUS FAULT - Faults are erased after 48 hrs or whenever power (115V or 24V) is interrupted. Run system through a heating or cooling cycle to recheck system.
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.
An important point after buying a device Bryant 383KAV (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 383KAV 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 383KAV - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bryant 383KAV you will learn all the available features of the product, as well as information on its operation. The information that you get Bryant 383KAV will certainly help you make a decision on the purchase.
If you already are a holder of Bryant 383KAV, 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 383KAV.
However, one of the most important roles played by the user manual is to help in solving problems with Bryant 383KAV. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bryant 383KAV 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
