Manuale d’uso / di manutenzione del prodotto 350MAV del fabbricante Bryant
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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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Bryant 350MAV è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Bryant 350MAV - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Bryant 350MAV imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Bryant 350MAV ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Bryant 350MAV, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Bryant 350MAV.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Bryant 350MAV. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Bryant 350MAV insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
