Daikin Enfinity CCH - Refrigeration Circuit Troubleshooting Guide

IM 1049-9 40 www.DaikinApplied.com
troubleshooting
Troubleshooting Refrigeration Circuit
Figure 56: Troubleshooting Refrigeration Circuit
Symptom Head Pressure
Suction
Pressure
Compressor
Amp Draw
Super Heat Subcooling
Air Temp
Differential
Water
(loops)
Temp
Differential
Safety Lock Out
Charge
Undercharge System
(Possible Leak)
Low Low Low High Low Low Low Low Pressure
Overcharge System High High High Normal High
Normal
Normal High Pressure
Low
Low Air Flow Heating High High High
High
Low High Low High Pressure
Normal
Low Air Flow Cooling Low Low Low
Low
High High Low Low Temp
Normal
Low Water Flow Heating
Low Low
Low Low High Low High Low Temp
Normal Normal
Low Water Flow Cooling High High High High Low Low High High Pressure
High Air Flow Heating Low Low Low Low High Low Low Low Temp
High Air Flow Cooling Low High Normal High Low Low Normal High Pressure
High Water Flow Heating Normal Low Normal High Normal Normal Low High Pressure
High Water Flow Cooling Low Low Low Low High Normal Low Low Temp
TXV Restricted High Low
Normal
High High Low Low
Low