Commercial Preventative Maintenance and Service Program
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Our Maintenance Program Includes
Self–Contained Refrigeration
Indirect Make–Up Air Unit
Cooling Maintenance Items
(Split Systems)
(Split Systems)
Heating Maintenance Items
(Split Systems)
(Split Systems)
Self–Contained Refrigeration
- Clean condenser coil with high–pressure CO2
- Check electrical connections and repair any loose connections or burnt wires
- Check and record amperage of condenser fans and compressors
- Monitor and record box temperature and thermostat set point
- Check defrost clock operation
- Check condition of door seals
Indirect Make–Up Air Unit
- Monitor and record the amperage draw of the blower motor
- Monitor and adjust for proper alignment of belts and pulleys
- Monitor and adjust proper tension of belts (replace if needed)
- Lubricate shaft bearings and louvers when applicable
- Check safety controls for proper operation
- Monitor, adjust, and document gas pressure at burner manifold
- Check and document supply air temperature and mixed air temperature sensors set point
- Monitor and record space temperature and thermostat set point
- Fix and repair any minor burnt wires and loose connections
- Check and monitor louvers and actuators for proper operation
Cooling Maintenance Items
(Split Systems)
(Split Systems)
- Check and record refrigerant charge and super heat
- Check and record temperature across coil
- Check and repair any loose electrical connections or burnt wires
- Check and record the amperage draw of the compressor and condenser fan motor
- Check and record space temperature, thermostat set point, outdoor temperature, and humidity level
Heating Maintenance Items
(Split Systems)
(Split Systems)
- Monitor, adjust, and document gas pressure at the burner manifold
- Clean burners and carryover tubes as needed
- Check the heat exchanger for corrosion or cracks
- Inspect and clean the burner compartment
- Check and adjust safety controls and fan controls
- Check and record heat rise across unit
- Monitor and record space temperature and thermostat set point
- Inspect air duct system for blockage, leakage or damage
General Maintenance
Cooling Cycle
Heating Cycle
Standard Filter Change
General Maintenance of Exhaust Fans
General Maintenance
- Monitor and record amperage draw of blower motor
- Monitor proper alignment of pulleys and belts
- Monitor proper tension of belts
- Lubricate shaft bearings when applicable
- Monitor electrical controls for pitting or wear
- Clean dirty contacts and lubricate mechanisms
- Fix and repair burnt wires and bad connections
- Ensure proper fit of filters for minimal bypass
Cooling Cycle
Cooling cycle maintenance includes all the General Maintenance Items listed above as well as:
- Inspect the condition of electrical disconnect powering unit
- Check and record refrigerant chagre and superheat
- Check and record temperature drop across evap coil
- Check and record amperage of condenser fans and compressors
- Check and record condition of evaporator and drain pan
- Monitor and record space temperature, relative humidity, and outdoor temperature
- Monitor and record thermostat set point and condition
Heating Cycle
Heating cycle maintenance includes all the General Maintenance Items listed above as well as:
- Monitor, adjust, and document gas pressure at burner manifold
- Clean burners, burner compartments, and carryover tubes
- Check the heat exchanger for corrosion or cracks
- Clean draft inducer/diverter assembly
- Check safety controls for proper operation
- Adjust air shutters for proper flame at burner
- Monitor and record temperature rise over heat exchanger
- Monitor and record space temperature, and thermostat set point
Standard Filter Change
Our standard filter change maintenance procedure includes the installation of standard 1 or 2-inch fiberglass filters, remove and disposal of old filters. We ensure the proper fit of filters for minimal bypass.
General Maintenance of Exhaust Fans
- Monitor and document the amperage of the motor
- Lubricate shafts, bearings, and motors as needed
- Check the alignment of pulleys and belts
- Replace worn belts (when needed)
- Check and record the operation of dampers, louvers, and fan
- Check for excessive vibration
General Maintenance
Cooling Cycle
Heating Cycle
Standard Filter Change
General Maintenance of Exhaust Fans
General Maintenance
- Monitor and record amperage draw of blower motor
- Monitor proper alignment of pulleys and belts
- Monitor proper tension of belts
- Lubricate shaft bearings when applicable
- Monitor electrical controls for pitting or wear
- Clean dirty contacts and lubricate mechanisms
- Fix and repair burnt wires and bad connections
- Ensure proper fit of filters for minimal bypass
Cooling Cycle
Cooling cycle maintenance includes all the General Maintenance Items listed above as well as:
- Inspect the condition of electrical disconnect powering unit
- Check and record refrigerant chagre and superheat
- Check and record temperature drop across evap coil
- Check and record amperage of condenser fans and compressors
- Check and record condition of evaporator and drain pan
- Monitor and record space temperature, relative humidity, and outdoor temperature
- Monitor and record thermostat set point and condition
Heating Cycle
Heating cycle maintenance includes all the General Maintenance Items listed above as well as:
- Monitor, adjust, and document gas pressure at burner manifold
- Clean burners, burner compartments, and carryover tubes
- Check the heat exchanger for corrosion or cracks
- Clean draft inducer/diverter assembly
- Check safety controls for proper operation
- Adjust air shutters for proper flame at burner
- Monitor and record temperature rise over heat exchanger
- Monitor and record space temperature, and thermostat set point
Standard Filter Change
Our standard filter change maintenance procedure includes the installation of standard 1 or 2-inch fiberglass filters, remove and disposal of old filters. We ensure the proper fit of filters for minimal bypass.
General Maintenance of Exhaust Fans
- Monitor and document the amperage of the motor
- Lubricate shafts, bearings, and motors as needed
- Check the alignment of pulleys and belts
- Replace worn belts (when needed)
- Check and record the operation of dampers, louvers, and fan
- Check for excessive vibration
Self–Contained Refrigeration
Indirect Make–Up Air Unit
Cooling Maintenance Items
(Split Systems)
(Split Systems)
Heating Maintenance Items
(Split Systems)
(Split Systems)
Self–Contained Refrigeration
- Clean condenser coil with high–pressure CO2
- Check electrical connections and repair any loose connections or burnt wires
- Check and record amperage of condenser fans and compressors
- Monitor and record box temperature and thermostat set point
- Check defrost clock operation
- Check condition of door seals
Indirect Make–Up Air Unit
- Monitor and record the amperage draw of the blower motor
- Monitor and adjust for proper alignment of belts and pulleys
- Monitor and adjust proper tension of belts (replace if needed)
- Lubricate shaft bearings and louvers when applicable
- Check safety controls for proper operation
- Monitor, adjust, and document gas pressure at burner manifold
- Check and document supply air temperature and mixed air temperature sensors set point
- Monitor and record space temperature and thermostat set point
- Fix and repair any minor burnt wires and loose connections
- Check and monitor louvers and actuators for proper operation
Cooling Maintenance Items
(Split Systems)
(Split Systems)
- Check and record refrigerant charge and super heat
- Check and record temperature across coil
- Check and repair any loose electrical connections or burnt wires
- Check and record the amperage draw of the compressor and condenser fan motor
- Check and record space temperature, thermostat set point, outdoor temperature, and humidity level
Heating Maintenance Items
(Split Systems)
(Split Systems)
- Monitor, adjust, and document gas pressure at the burner manifold
- Clean burners and carryover tubes as needed
- Check the heat exchanger for corrosion or cracks
- Inspect and clean the burner compartment
- Check and adjust safety controls and fan controls
- Check and record heat rise across unit
- Monitor and record space temperature and thermostat set point
- Inspect air duct system for blockage, leakage or damage