Stimmen - 2, Durchschnittliche Bewertung: 4 ( )

Hersteller: Carrier Dateigröße: 525.32 kb Dateiname: Unterrichtssprache:

4 and 5 and proceed as follows to inspect the combustion area and power-venting system of your unit. 1. Turn off gas supply to your unit. 2. Turn off electrical power to your unit. 3. Remove burner compartment access panel. 4. Using a flashlight, carefully inspect the burner areas for dirt, soot, rust or scale. A CAUTION If dirt, soot, rust, or scale accumulations are found, call your dealer and do not operate your heating section. 5. When you have completed your inspection, follow the start-up procedures in this manual to restore your unit to operation. 6. Observe unit heating operation. A WARNING Components in heat section may be hot after unit has been started up. When observing flame, be careful not to get close to or touch heating components or serious personal injury may result. Watch the burner flame to see if it is bright blue. If you observe a suspected malfunction or that the burner flame is not bright blue, call your dealer. 7. Replace burner compartment access panel. Unit Panels — After performing any maintenance or service on the unit, be sure all panels are securely fastened in place to prevent rain from entering unit cabinet and to prevent disruption of the correct unit airflow pattern. 5 INDUCED-DRAFT BLOWER INDUCED-DRAFT MOTOR GAS VALVE a. 48DJD005-007, 48DJE,LJE004-007, 48LJD004-007 INDUCED-DRAFT BLOWER INDUCED-DRAFT MOTOR GAS VALVE (HIDDEN) REGULAR DEALER MAINTENANCE In addition to the type of routine maintenance you might be willing to perform, your unit should be inspected regularly by a properly trained service technician. An inspection (preferably each year, but at least every other year) should include the following: 1. Inspection of all flue product passages — including the burner, heat exchanger, and flue collector box. 2. Inspection of all combustion- and ventilation-air passages and openings. 3. Close inspection of all gas pipes leading to and inside your unit. 4. Inspection, and if required, cleaning of the condenser and evaporator coils. 5. Inspection, and if required, cleaning of the condensate drain pan. 6. Inspection and cleaning of blower wheel housing and motor. 7. Inspection of all supply- and retum-air ducts for leaks, obstructions, and insulation integrity. Any problems found should be resolved at the time of inspection. 8. Inspection of the unit base for cracks, gaps, etc., which may cause a hazardous condition. 9. Inspection of the unit casing for signs of deterioration. 10. Inspection of all electrical wiring and components to assure proper connection. 11. Inspection for leaks in the refrigerant circuit. Pressure-check to determine appropriate refrigerant charge. 12. Operational check of the unit to determine working conditions. Repair or adjustment should be made at the time of inspection. Your servicing dealer may offer an economical service contract that covers seasonal inspections. Ask for further details. Complete service instructions can be found in the unit Installation, Start-Up and Service Instructions. b. 48DJD/LJD008-014, 48DJE,LJE008-012 Fig. 5 — Heat Section Detail 6 BEFORE YOU CALL FOR SERVICE, CHECK FOR SEVERAL EASILY SOLVED PROBLEMS If insufficient heating or cooling is suspected: ( ) Check for sufficient airflow. Check the air filter for dirt. Check for blocked return- or supply-air grilles. Be sure they are open and unobstructed. If these checks do not reveal the cause, call your servicing dealer. If your unit isn’t operating at all, check the following list for easy solutions: ( ) Check to be sure that your thermostat temperature selector is set above the indoor temperature during the heating season, or below the indoor temperature during the cooling season. Be sure the SYSTEM switch is in the proper HEAT or COOL position and not in the OFF position. ( ) Is the electrical supply switch ON? Are any fuses blown, or has the circuit breaker tripped? ( ) During the heating season, check the external manual shutoff valve. Is this lever parallel with the pipe, indicating that the valve is open? Or is the lever at the right angle, indicating that the valve is closed? If closed, has the gas been shut off for safety reasons? Otherwise, you may ope...

Herunterladen

Geben Sie zwei Ziffern: