Commercial AC in Chico, Alvord, Bridgeport, Sunset, & Crafton, TX
COMPREHENSIVE ANNUAL MAINTENANCE INSPECTION – SPRING
Commercial AC:
- Record and report abnormal conditions.
- Review with the customer about operational problems and trends.
- General Assembly
- Check refrigerant charge if applicable.
- Calculate the refrigerant loss rate per EPA guidelines and report to the customer.
- Check sheaves and pulleys for wear and alignment, if applicable.
- Clean and vacuum condensate drain pan to minimize condensate water leaks.
- Treat drain pan with a biological inhibitor, i.e. algaecide.
- Blow out drain lines to minimize condensate water leaks.
- Check mechanical linkages for wear, tightness, and clearances where applicable.
- Clean condenser coil and evaporator coil.
- Install clean air filters.
- Controls and Safeties
- Test the operation of the high/low pressure safety device. Calibrate, if necessary.
- Test the operation of the oil pressure safety device, if applicable. Calibrate, if necessary.
- Lubrication
- Lubricate fan bearings, and motor bearings, if applicable.
- Check oil level in the compressor(s), if applicable.
- Motor and Starter
- Clean the starter and cabinet.
- Inspect wiring and connections for tightness and signs of overheating and discoloration.
- Check the contractors for free and smooth operation.
- Verify the tightness of the compressor motor terminal connections.
- Verify the operation of the compressor crankcase heaters.
MID-SEASON COOLING INSPECTION-SUMMER
- Verify the starter operation.
- Verify smooth operation of the compressors and fans.
- Log operating conditions of the unit after the system has stabilized.
- Provide a written report of completed work and indicate any uncorrected deficiencies detected.
- Install new air filters.
COMPREHENSIVE ANNUAL MAINTENANCE INSPECTION – FALL
- Verify smooth operation of the fans.
- Warehouse unit heaters checked and cleaned annually where applicable
- Check the belts for tension, wear, cracks, and glazing and replace as necessary.
- Visually inspect heat exchange for rust & cracks.
- Verify proper operation of gas heater combustion fan.
- Clean & lubricate combustion fan.
- Inspect and clean combustion chamber.
- Test operating and safety controls.
- Confirm proper operation of the gas ignition process.
- Check pilot and pilot safety, and hot gas bypass
- Check crank case heaters.
- Install new air filters.
MID-SEASON HEATING INSPECTION – WINTER
- Verify smooth operation of the fans.
- Check the belts for tension, wear, cracks, and glazing.
- Verify proper operation of the heating section.
- Verify the operation of the temperature controls.
- Install new air filters.