With additional tools, the technician can find out more about the system guided by the following
table :
Discharge
Discharge
Suction
Superheat SubCooling Amperage
Pressure Temperature Pressure
Draw
Refrigerant Overcharge
High
Low
High
Low
High
High
Refrigerant Undercharge
Low
High
Low
High
Low
Low
Restriction at the Filter Drier
Low
High
Low
High
High
Low
Low Evaporator Airflow
Low
Low
Low
Low
High
Low
Blocked or Dirty Condensor Coil
High
High
High
Low
Low
High
TXV with lost bulb charge
Low
Low
Low
High
High
Low
High Evaporator Airflow
High
High
High
High
Low
High
Dragging or Seizing Compressor
Low
High
High
High
High
High
Electrical Phase Imbalance
Low
High
High
High
High
Low
Non-Condensibles in system
High
High
High
High
Low
High
High : Higher than Normal
Low : Lower than Normal
49
Summary of Contents for ZX
Page 8: ...Fig 4 The Defrost Module Fig 5 The Diagnostic Module now available without Buzzer 8 ...
Page 21: ...ZX200 300 400 Single Fan Units 21 ...
Page 22: ...ZX500 600 750 Dual Fan Units 22 ...
Page 43: ...Fig 23 Diagnostic Module and Defrost Module connected to the E2 Unit Controller 43 ...
Page 51: ...Addendum 17 2 ZX Wiring Diagram 51 ...
Page 52: ...Addendum 17 3 Capacity kW at 50Hz for Refrigerant R22 52 ...
Page 54: ...54 ...
