Low evaporator temperature trips
Check the following:
- Low refrigerant charge
- Properly functioning EXV
- Liquid level sensor
- Pressure transducers for accuracy
- Adequate head pressure control
- Low evaporator chilled water flow rate
- Rapidly varying water flow rates
- Rapidly varying system load
- Oil overcharge (will show signs of low refrigerant charge except there will be a low discharge superheat)
Additional details
Other Question/Problem/Cause Statements
- Low evaporator temperature trips
Facts
- Water-Cooled Chiller (Pueblo) (RTHC)
- Water-Cooled Chiller (Pueblo) (RTHD)
WARNING:
Information in this article is intended for use by individuals possessing adequate backgrounds of electrical and mechanical experience and who comply with all federal, state, and local laws, rules, orders, or regulations related to the installation, service, or repair of a heating or central air conditioning product. Any attempt to install, service, or repair a heating or central air conditioning product may result in personal injury and/or property damage. The manufacturer or seller cannot be responsible for the interpretation of the