Assessments - , GPA:
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Fabricante : Carrier
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Arquivo Nome : OM58-112.pdf
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See “Performing Routine Maintenance” section in this manual. Then proceed as follows: STEPS FOR STARTING YOUR FURNACE 1. Open all warm air registers and make sure that all return-air grills are unobstructed. 2. If a humidifier is installed with your system, open the water supply valve. 3. Make sure blower access door is secured in place. 4. Set your room thermostat to the lowest temperature setting. (See Fig. 5.) ® 5 5. Turn on electric power to the furnace. (See Fig. 6.) 6. Open the oil supply valve. (See Fig. 7.) 67 7. Check all connections to ensure there are no leaks. 8. Set room thermostat to a temperature slightly above room temperature. This will automatically signal the furnace to start. 9. When the thermostat calls for heat, power from the transformer energizes the fan control board. The fan control energizes the ignition control. The ignition control will automatically light the burner. The electronic fan control automatically turns on the blower after 60 sec. Fan on control is not adjustable. The air moved over the heat exchanger by the blower is warmed and passes through the ducts to the room registers. This unit is equipped with a continuous ignition control. If the main burner does not ignite within 30 sec from the call for heat, the control will lock out. The red button on top of the control must be depressed for 3 sec in order to reset the control. The control CANNOT be reset from the room thermostat. 10.Set your thermostat to the temperature that satisfies your comfort requirements. SUGGESTION: Setting the thermostat back a few degrees and compensating for the difference with warmer clothing can make a big difference in your fuel consumption on extremely cold days. The few degrees at the top of your thermostat “comfort level” are the most costly degrees to obtain. When room temperature drops below the temperature selected on the thermostat, the furnace will be switched on automatically. When room temperature reaches the degree selected on the thermostat, the furnace will be switched off automatically. Some thermostats have a FAN mode with 2 selections, AUTO and ON. When thermostat is set to AUTO, the furnace blower cycles on and off, controlled by the thermostat. In ON mode, the furnace blower runs continuously. This keeps the tempera 5 ture level in your home more evenly balanced. It also continuously filters the indoor air. NOTE: Constant low-speed blower operation can also be achieved by turning on the constant blower rocker switch located on top of unit. Regardless of room thermostat setting, blower will run continuously in low speed to provide constant air circulation. If constant blower rocker switch is turned off, room thermostat will control blower operation. SHUTTING DOWN YOUR FURNACE Should you need to shut down your furnace for service or maintenance, you will need to turn the furnace off. The following procedures must be followed: 1. Set the thermostat to the lowest setting. (See Fig. 8.) ® 8 2. Turn off all electrical power to the appliance. (See Fig. 9.) 3. Close the oil supply valve. (See Fig. 10.) 9 10 4. If applicable, turn off water supply to humidifier. 5. If furnace blower will be necessary for cooling system, remember to turn electric power back on when needed for air conditioning. 6. If the furnace is being shut down because of a malfunction, call your dealer as soon as possible. ALWAYS KEEP MAIN OIL VALVE TURNED OFF IF BURNER IS SHUT DOWN FOR AN EXTENDED PERIOD OF TIME. 11 12 PERFORMING ROUTINE MAINTENANCE With proper maintenance and care, your furnace will operate economically and dependably. Instructions for basic maintenance follow. However, before beginning maintenance, follow these safety precautions: WARNING ! ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury due to electrical shock. Turn off all electrical power to furnace before performing any maintenance or service on unit. CAUTION! CUTS AND ABRASION HAZARD Failure to follow this caution may result in mi nor personal injury. Although special care has been taken to mini mize sharp edges, be extremely careful when handling parts or reaching into the furnace. FILTERING OUT TROUBLE Dirty air filters will cause a loss of airflow in your duct system. When excessive loss of airflow occurs, the furnace may cycle on its safety controls. If this condition is left unattended, the furnace will eventually lock out. It is recommended that the furnace air filters be checked every 3 or 4 weeks and cleaned or replaced as necessary. CAUTION! UNIT OVERHEAT HAZARD Failure to follow this caution may result in damage to the furnace blower motor, over heat the heat exchanger and reduce the efficiency. Never operate your furnace without the air filters in place. The air filters are located in the blower compartment installed in an internal filter rack which is provided as standard equipment with furnace. (See Fig. 2.) To 6 inspect, clean, and or replace air filters, follow these steps: 1. Turn of...