Trouble Shooting System Checklist

Trouble Shooting System Checklist
Meier Supply Branch
Company Name
Contact Name
Phone or E-mail Contact Info
Date

MonthDayYear
Date
Readings at Compressor Discharge Outlet
Discharge Pressure
Saturated Discharge Temperature
Discharge Temperature
Calculated Discharge Super Heat
DLT Design Limit
Readings at Condenser
Inlet Air Temperature
Outlet Air Temperature
Ambient Temperature
Design Point Summary
Compressor Model Number
Compressor Serial Number
Unit Model Number
Unit Serial Number
Install Date/Run Time

MonthDayYear
Date
Application Description
Evaporator Set Point
Type Expansion Device
Refrigerant Type
Refrigerant Charge Amount
Oil Type
Type of Defrost
Pump Down/Set Points
Readings at Liquid Line/Expansion Valve Inlet
Temperature at Inlet of Drier
Temperature at Outlet of Drier
Liquid Line Pressure
Saturated Condensing Temperature
Liquid Line Temperature
Calculated Liquid Sub Cooling **
**Liquid pressure converted to temperature minus liquid line temperature
Sight Glass Condition
Readings at Evaporator Outlet
Suction Pressure
Saturated Suction Temperature
Suction Temperature
Calculated Super Heat at Evaporator*
* Suction pressure converted to temperature minus suction temperature
Current Box Temperature
Compressor Electrical Readings (1 or 3 phase)
Voltage(s)
Amperage(s)
Winding Resistance
System Controller
Any Alarms or Trips
Oil Level in Sight Glass
Readings at Compressor Suction Inlet
Suction Pressure
Saturated Suction Temperature
Suction Temperature
Calculated Super Heat*
* Suction pressure converted to temperature minus suction temperature
Compressor Sump Temperature
Low Pressure Cut Out Set Point
Other System Related Notes:

Trouble Shooting System Checklist

Readings at Compressor Discharge Outlet

Readings at Condenser

Design Point Summary

Readings at Liquid Line/Expansion Valve Inlet

Readings at Evaporator Outlet

Compressor Electrical Readings (1 or 3 phase)

Readings at Compressor Suction Inlet