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temperature decreases to approximately 181°F. Rapid
cycling, loss of charge, abnormally high suction
temperatures, or the compressor running backwards could
cause the thermostat to open. During a request for
compressor operation, if the Compressor Module detects a
problem outside of normal parameters, it turns any
operating compressor(s) on that circuit "Off", locks out all
compressor operation for that circuit, and initiates a manual
reset diagnostic (compressor trip). These compressors
RT-SVX073A-EN
come equipped with a protection module that monitors
phase loss, phase sequencing and motor temperature.
VZH Variable Speed Compressors
Over current and over torque protection for VZH
compressors are provided by the TRV200 inverter. VZH
over temperature protection is not required.
General Information
11
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