valutazioni - 3, GPA: 4.3
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Facilità d'uso
Step 9— Open the manual gas valve. Step 10 — Set room thermostat selector slightly above room temperature to start unit. The induced-draft combustion air fan will start. Main gas valve will open and main burners should ignite within 5 seconds. If the burners do not light, there is a 22-second delay before another 5-second try. If the burner still does not light, the time delay is repeated. If the burner does not light within 15 minutes, there is a lockout. If burners still do not light, call for service. Step 11 — Set the temperature selector on room thermostat to desired setting. If the main burners fail to light, or the blower fails to come on, shut down gas heating section and call your dealer for service. Failure to follow these requirements could result in serious personal injury. TO SHUT UNIT OFF 1. Do not turn off the electrical power to unit without first turning off the gas supply. 2. Never attempt to manually light the main burners on unit with a match, lighter, or any other flame. If the electric sparking device fails to light the main burners, refer to the following shutdown procedures, then call your dealer as soon as possible. Failure to follow these procedures can result in serious fire or personal injury. Refer to Fig. 3 while proceeding with the following steps. Step 1 — Set room thermostat to lowest temperature setting and set SYSTEM switch to OFF position. Step 2— Close the external manual gas valve. Step3 — Turn off the electrical power supply to unit. Step 4— Remove the burner access panel. Step 5 — Move the control on the gas valve to the OFF position. Step 6— Replace the burner access panel. Step 7 — If unit is being shut down because of a malfunction, call your dealer as soon as possible. If unit is being shut down because the heating season has ended, restore electrical power to the unit to ensure operation of the cooling system during the cooling season. Should overheating occur, or the gas supply fail to shut off, shut off the manual gas valve to the unit before shutting off the electrical supply. Do not use this unit if any part has been under water. Immediately call a qualified service technician to inspect the unit and to replace any part of the control system and any gas control which has been under water. MAINTAINING YOUR UNIT All maintenance should be handled by skilled, experienced personnel. Your dealer can help you establish a standard procedure. For your safety, keep the area around the unit clear and free of combustible materials, gasoline, and other flammable liquids and vapors. To ensure proper functioning of the unit, flow of combustion and ventilating air must not be prevented from reaching the unit. Clearance of at least 3 ft on size 004-007 units and 4 ft on size 008-014 units on the flue and condenser sides and 6 in. on all other sides is required. A clearance of 5 ft is required above the condenser discharge. ROUTINE MAINTENANCE AND CARE FOR THE EQUIPMENT OWNER Consider the following information before maintaining or servicing equipment: 1. TURN OFF GAS SUPPLY AND THEN ELECTRICAL POWER TO YOUR UNIT BEFORE SERVICING OR PERFORMING MAINTENANCE. 2. Do not turn off electrical power to this unit without first turning off the gas supply. 3. When removing access panels or performing maintenance functions inside your unit, be aware of sharp sheet metal parts and screws. Although special care has been taken to reduce sharp edges inside the unit, be extremely careful when handling parts or reaching into the unit. 2 STEP 1 STEP 3 STEP 2 48TJD005-009 STEP 4 48TJF004-007 48TJE004-007 48TJD012,014 48TJE008-014 48TJF008-012 STEP 5 48TJD005-009 48TJE004-007 48TJF004-007 48TJD012,014 48TJE008-014 48TJF008-012 STEP 6 STEP7 STEP 10 STEP 8 STEP 9 Fig.2—To Light Unit 3 STEP 1 STEP 3 STEP 2 STEP 4 48TJD005-009 48TJE004-007 48TJF004-007 48TJD012,014 48TJE008-014 48TJF008-012 STEP 5 STEP 6 STEP 7 Fig.3—To Shut Unit Off 4 Air Filter(s) — Air filter(s) should be checked at least every 3 or 4 weeks and changed or cleaned when necessary. Table 1 indicates the correct filter size for your unit. See Fig. 4 for filter access door location. To replace or inspect filters: 1. Lift up and remove filter access panel. 2. While holding filter, tilt upper filter rack. 3. Remove filters by pulling up and out toward you from the track. 4. Inspect or replace filters. 5. Return filters to filter track. Note direction of airflow arrows on filter frame. 6. Replace filter access panel. If you have difficulty in locating your air filter, or if you have questions concerning proper filter maintenance, contact your dealer for instructions. When replacing your unit filters, always use the same size and type of filter that was originally supplied by the installer. Units with outdoor air capability have a cleanable filter for the outdoor air. This filter should be checked annually and cleaned as necessary with steam or hot water and a mild detergent. Do not use throwaway filters in place of cleanable filters. Never...
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