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Start-up Checklist
Date of Start-up
Location
CONDENSING UNIT
MODEL #
ELECTRICAL
• Check Compressor Amps for COOLER and
FREEZER compressors. Should match
nameplate.
YES NO
PIPING
• Is suction line trapped at the Cooler?
YES NO
• Is suction line trapped at the Freezer?
YES NO
DRAIN LINES
• Are drain lines sloped properly?
YES NO
• Is drain line trapped outside the Cooler?
YES NO
• Is drain line trapped outside the Freezer?
YES NO
• Is heat tape wrapped along entire length of
the drain line in the Freezer?
YES NO
• Is heat tape plugged in and heating the drain
line?
YES NO
INSULATION
• Are Liquid lines fully insulated?
YES NO
• Are Suction lines fully insulated?
YES NO
SYSTEM CHECKS
• Check Compressor Superheat for the
COOLER (Should be between 20°F. & 30°F.)
YES NO
• Check Compressor Superheat for the
FREEZER (Should be between 20°F. & 30°F.)
YES NO
•Force unit into a Defrost Check heater amps.
Should match nameplate amps.
YES NO
• Check LPS Time Delay Relays. Should be
set at 1 minute for both the COOLER and
FREEZER.
YES NO
• Check Low Pressure Switch on FREEZER. Should be set
at 0 psig Cut-out/10 psig Cut-in.
YES NO
• Did FREEZER and COOLER cycle o on LPS at Set-point
Temperature?
YES NO
• Is the sight glass free of bubbles?
YES NO
• Are the COOLER and FREEZER fans at proper speeds?
YES NO
• Check system for refrigerant leaks. Are there any
leaks on the COOLER, FREEZER, CONDENSING UNIT or
INTERCONNECTING PIPING?
YES NO
• Check system piping for unusual vibration or noise. Is
there any unusual vibration or noise on the COOLER,
FREEZER, CONDENSING UNIT or INTERCONNECTING
PIPING?
YES NO