Issue:
Compressor overload trip
Resolution:
Do not restart the compressor!
- Isolate compressor
- Remove suction line
- Removed suction screen
- Secured rotor bolt and spin rotors
- Rotors should spin freely
- If rotors do not spin, replace the compressor
Notes:
Check winding resistance and meg the compressor motor as well.
Changes:
Tried to restart 2 times and compressor hums for 5-8 seconds and trips on overload again
Checked current with amp meter and drawing locked rotor amps
Other Question/Problem/Cause Statements:
- Compressor overload trip
- Main breaker tripped
- Branch circuit breaker tripped
Facts:
- Air-Cooled Chiller (Pueblo) (RTAA 130-400 Ton)
- Air-Cooled Chiller (Pueblo) (RTAA 70-125 Ton)
- Air-Cooled Chiller (Pueblo) (RTAC)
- Compressor Chiller (Pueblo) (RTUA)
- Water-Cooled Chiller (Pueblo) (RTHC)
- Water-Cooled Chiller (Pueblo) (RTHD)
- Water-Cooled Chiller (Pueblo) (RTWA)
- Water-Cooled Chiller (Pueblo) (RTHA)
- Water-Cooled Chiller (Pueblo) (RTHB)
Document Identifier: DOC-76959
Document Identifier: 76959
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 information contained herein, nor can it assume any liability in connection with its use.