Roof Top Unit Maintenance Package:

• Inspect all safety and operating controls
• Check economizer operation
• Check electrical connections
• Lubricate fan motor and shaft bearings
• Check compressor crankcase heaters
• Check unit voltages and amperages
• Inspect condenser fans and motors
• Cleaned condenser coils with CO2
• Clean condensate pan and traps
• Check mechanical cooling
• Inspect and clean burners
• Clean outside air filters
• Check heat exchanger
• Replace air filters
• Replace belts
• Align belts