Bryantメーカー383KAVの使用説明書/サービス説明書
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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.
デバイスBryant 383KAVの購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Bryant 383KAVをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはBryant 383KAVの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Bryant 383KAVの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Bryant 383KAVで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Bryant 383KAVを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はBryant 383KAVの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Bryant 383KAVに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちBryant 383KAVデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。