Assessments - 4, GPA: 3.8 ( )

Fabricante : Lennox International Inc. Arquivo Tamanho: 163.84 kb Arquivo Nome : Língua de Ensino:

Force or attempted repair may result in a fire or explosion. This unit is equipped with an automatic spark ignition sys tem. There is no pilot. In case of a safety shutdown, move thermostat switch to OFF and return the thermostat switch to HEAT. Electro.mechanical thermostat is shown in figure 1. On logic units and units with electronic temper ature controls, shut main disconnect off and back on to re set ignition control. Unit Operation . Continued THERMOSTAT HEAT COOL FAN 50 60 70 80 10 15 2025 30 HEAT OFF COOLAUTO ON FIGURE 1 A.Placing Unit In Heating Operation WARNING Danger of explosion and fire. Can cause injury or product or property damage. You must follow these instructions exactly. 1. If using electromechanical thermostat, set to the low est setting. 2. Turn off all electrical power to furnace. 3. This furnace is equipped with an ignition device which automatically lights burner. Do not try to light burner by hand. 4. Remove heat access panel. 5. Honeywell VR8205 . Turn knob on gas valve clock wise until it stops. Depress knob and turn clock wise to OFF. White Rodgers 36E . Turn knob on gas valve 180° ei ther way to OFF. 6. Wait five minutes to clear out any gas. If you then smell gas, STOP! Immediately call your gas supplier from your neighbor’s phone. Follow the gas supplier’s instructions. If you don’t smell gas go to next step. Gas Valve Operation (Figure 2) 7. Honeywell VR8205 . Turn knob on gas valve counter clockwise until it stops. Allow knob to pop up and continue counterclockwise to ON position. White Rodgers 36E . Turn knob on valve 180° either way to ON. 8. Replace heat section access panel. 9. Turn on electrical power to unit. If using electrome chanical thermostat, set to desired setting. 10. The combustion air inducer(s) will start. The burners will light within 40 seconds. HONEYWELL VR8205 SERIES GAS VALVE ON OFF GAS VALVE SHOWN IN OFF POSITION WHITE RODGERS 36E GAS VALVE MANIFOLD PRESSURE ADJUSTMENT SCREW MANIFOLD PRESSURE OUTLET NO OFF FIGURE 2 11. If unit does not light first time (gas line not fully purged) it will attempt up to two more ignitions before locking out. 12. If lockout occurs, repeat steps 1 through 10. 13. If the furnace will not operate, follow the instructions To Turn Off Gas To Unit" and call your service techni cian or gas supplier. Page 2 B.To Turn Off Gas To Unit 1. If using electromechanical thermostat, set to the low est setting. 2. Turn off all electrical power to unit if service is to be performed. 3. Remove heat section access panel. 4. Turn knob on Honeywell gas valve clockwise until it stops. Depress knob and turn clockwise to OFF. Turn knob on White Rodgers 180° either way to off. Do not force. 5. Replace heat section access panel. WARNING Danger of explosion. Can cause injury or death. Do not attempt to light manually. Unit has a direct spark ignition system. Flue Passage and Vent Inspection Annually, before heating season, inspect combustion air louvers, vent cap, heat exchanger, burners...

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