Bryantメーカー350MAVの使用説明書/サービス説明書
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WARNING: ELECTRICAL SHOCK, FIRE, OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in dangerous operation, serious injury, death, or property damage. Improper servicing could result in dangerous operation, serious indury, death, or property damage.
CSA B149.1-00 (NSCNGPIC) in Canada; and the Installation Standards, Warm Air Heating and Air Conditioning Systems (NFPA 90B) ANSI/NFPA 90B. In Canada, refer to the CAN/CGA-B/49.1- and .2-M95 National Standard of Canada, Natural Gas and Propane Installation Codes (NSCNGPIC).
WARNING: Turn off the gas and electrical supplies to the unit before performing any maintenance or service. Follow the operating instructions on the label attached to the furnace. Failure to follow this warning could result in personal injury or death.
1. Turn off electrical supply to furnace. 2. Remove main furnace door and blower access panel. 3. Disconnect blower motor wires from furnace control. Field thermostat connections may need to be disconnected depending on their length and routing.
7. Remove screws that secure manifold to burner box. (See Fig. 5.) NOTE: Do not remove burner box from cell panel. 8. Remove manifold, orifices, and gas valve as 1 assembly. 9. Remove screws attaching burner assembly in burner box. 10. Remove burner assembly from burner box.
CAUTION: The ground wire from the gas valve MUST be attached to the burner box attachment screw. Failure to attach this ground wire to an adequate casing ground will cause the furnace control to lock out. NOTE: Be sure burner box gasket is installed between burner box and cell panel.
14. Check furnace operation through 2 complete heat operating cycles. Check area below inducer housing, vent pipe, and condensate trap to ensure no condensate leaks occur.
box or inlet pipe, but can be removed without removing either. After removing screw, slide igniter and bracket toward outside of burner box and pull straight out. CAUTION: The igniter is fragile. DO NOT allow it to hit the side of the burner box opening while removing or replacing it.
1. Turn off electrical supply to furnace. 2. Remove main furnace door. 3. Disconnect cap from unused drain tap on inducer housing. (See Fig. 14.) 4. Connect field-supplied 1/2-in.
1. LED flashes a current status code, or code 11, 4 times. Record this status code for further troubleshooting. 2. The inducer will start and continue to run until test is over. 3. Hot surface igniter (HSI) is energized for 15 sec, then de-energized. 4.
A99118 Fig. 14 — Inducer Housing Drain Tube A99119 Fig. 15 — Funnel in Drain and Antifreeze Running Through Trap — 11 —.
Fig. 16 — Wiring Diagram A02157 PCB TRAN FRS NOTE #11 LS PRS (WHE N USED) LGPS FUSED OR CIRCUIT BREAKER DI SCONNEC T SWI TCH ( WHEN REQ ’ D) NOTE #2 JB L1 L1 BLWR HI/LO TO 115V AC FI ELD DISCONNEC.
Fig. 17 — Service Label A02154 SER VI CE To initiate th e component te st sequence, shut OFF the room thermost at or disconnect the "R" therm ostat lead. Briefl y short the TEST/TWIN ter m inal to the "Com 24V" ter- minal. St atus LED will fl ash code and then tur n ON the i nducer moto r .
A02204a Is LED status light on? Is LED status light blinking rapidly without a pause? Is LED status light blinking ON/OFF slowly with a combination of short and long flashes? Determine status code.
A02204b 11 NO PREVIOUS CODE – Stored codes are erased after 72 hours. On RED LED boards stored status codes can also be erased whene ver pow er (115V or 24V) is interrupted. Run system through a heating or cooling cycle to check system. 12 BLOWER ON AFTER POWER UP – (115V OR 24V) – Normal operation.
© 2002 Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231 — 16 — Printed in U.S.A. sp0558 Catalog No. 5335-207.
デバイスBryant 350MAV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 350MAV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 350MAV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 350MAV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 350MAV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 350MAV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 350MAV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 350MAV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 350MAV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。