Air Cooled Chiller Preventative Maintenance Services

2026-11-03

Seasonal Start - Up Service : ( Complete April 15Th thru June 18th .) A . Startup and verify that the unit is operating within design parameters such as flow rates , temperatures , pressures , voltages , Amp Draw , etc . B . Verify proper operation of interlocking safety controls . C . Check refrigerant level , pressure and temperature . D . Check oil level , pressure and temperature . E . Check water flow pressure and temperature . E . Inspect oil sump temperature and heater operation . F . Check and test all operating and safety controls . G . Check all functions of the control panel . H . Check sensor signals to the control panel . I . Complete a detailed Start - up Operating Log when unit has stabilized . J . Review results of Start - up Log with operating personnel . Midseason Operating Inspections : ( Complete July 1st thru August 15th .) A . Complete mid - summer operating inspections . B . Review Owner ' s Operating Log . C . Verify that the unit is operating within design parameters such as flow rates , temperatures , pressures , voltages , Amp Draw , etc . D . Verify proper operation of interlocking safety controls . E . Check refrigerant level , pressure and temperature . F . Check oil level , pressure and temperature . G . Check water flow pressure and temperature . I . Check and test all operating and safety controls . J . Check all functions of the control panel . K . Check sensor signals to the control panel Midseason Outdoor condenser coil cleaning : A . During late June or early July clean all condenser coils with compressed air or water to remove all contaminates from the fins . B . Fins should be inspected for damage and combed if needed to aid with air flow . Annual Off - Season Service : ( Complete September 15th thru October 31st ) A . Review Owner ' s Operating Log . B . Check starter and control panel components : C . Check wire connections and tighten . D . Inspect all motor starter contacts . E . Clean out panels . F . Replace Oil filter . I . Inspect chiller ' s general condition and make recommendations for any necessary repairs or changes . J . Complete a leak test of the refrigerant circuit using an electronic leak detection meter . Report any leak indications

Minnesota

2026-04-29