Johnson Controls YEWS Series User Manual

(3) Definition of fault information in ModBus protocol
AI Sensor input fault
Bit
bit0
bit1
bit2
bit3
bit4
bit5
bit6
bit7
bit8
bit9
bit10
bit11
bit12
bit13
bit14
bit15
Fault
Leaving Cooling Liquid Temperature Sensor Failure
Entering Cooling Liquid Temperature Sensor Failure
Leaving Chilled Liquid Temperature Sensor Failure
Entering Chilled Liquid Temperature Sensor Failure
Discharge Temperature Sensor Failure
Leaving Hot Liquid Temperature Sensor Failure
Entering Hot Liquid Temperature Sensor Failure
Evaporating Pressure Transducer Failure
Discharge Pressure Transducer Failure
Oil Pressure Transducer Failure
YEWS-E Water Cooling Screw Chiller/Heat Pump
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Johnson Controls YEWS Series Specifications

General

Brand	Johnson Controls
Model	YEWS Series
Category	Chiller
Language	English