Daikin Enfinity CCW Installation And Maintenance Manual page 40

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