Copeland Semi-Hermtic Solid State Module Troubleshooting

SUMMARY Copeland Semi-Hermetic compressor protection Solid State Module. Operation and trouble shooting information SYMPTOMS Copeland Semi-Hermtic compressor will not start CAUSE Possible issue with Copeland Solid State Compressor Motor Protector RESOLUTION Attached article covers operation and troubleshooting information on Copeland Semi-Hermetic motor protectors. APPLIES TO All Legacy PAC and PWC Semi-Hermetic equipped process system chillers […]

Micro processor – dual stage replacement

SYMPTOMS After performing a chiller microprocessor controller replacement on a dual state “D Series” chiller the second stage programming functions are not showing up in the programming mode. CAUSE By default, legacy replacement microprocessors are shipped configured for single “S Series” stage operation. RESOLUTION When field installing a replacement microprocessor controller on a dual stage […]