• Ref Tools App

  Troubleshooter

  Essential information when troubleshooting refrigeration systems

Evaporator inlet frosted and TXV covered by frost or ice

• Refrigerant supply to evaporator too small because of too small orifice
• Refrigerant supply to evaporator too small because of too high superheat
• Refrigerant supply to evaporator too small because of partial loss of bulb charge.
• Refrigerant supply to evaporator too small because of dirt strainer partially blocked.
• Refrigerant supply to evaporator too small because of orifice partially blocked by ice.
• Refrigerant supply to evaporator too small because of fault described under “Vapour bubbles in sight glass”.
• Refrigerant supply to evaporator too small because of defect TXV