Tech Tips
High Suction Pressure/
Low Superheat
FI0022

• Fixed Metering Device
• Unit Overcharge
• Incorrect or No Metering Device
  
• TXV Metering Device
• TXV Bulb
• Not Attached to Suction Line
• Incorrect Location and Position
• Poor Thermal Contact With Suction Line
• Not Insulated
• Incorrect TXV
• Incorrect Orifice
• Incorrect Superheat Setting on TXV
• Bad TXV
• Incorrect Match of Outdoor Unit to Indoor Coil