Thermal Care NQ Series, Руководство по установке и эксплуатации

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Table 16 – Controller Control Fault Logic
Fault
Alarm
Indication
Pump
Shut
Off
Compressor
Shut Off
Alarm
Reset
Required
1
Manual
Reset
Required
2
Remote
Alarm
Activated
3
Low Reservoir
Level The Reservoir Level Light flashes red
Yes Yes Yes Yes Yes
Temperature Limit
Safety The Set Point and Process
Temperatures Flash and the
Temperature Limit Light flashes red
Yes Yes Yes No Yes
Temperature Limit
Warning The Temperature Limit Light flashes
yellow
No No Yes No Yes
Pump Motor
Overload The Pump Light flashes red
Yes Yes Yes Yes Yes
Compressor
Motor Overload The Compressor Light flashes red
No Yes Yes No Yes
High Refrigerant
Pressure The High Refrig Pressure Light flashes
red
No Yes Yes Yes Yes
Low Refrigerant
Pressure The Low Refrig Pressure Light flashes
red
No Yes Yes No Yes
Low Evaporator
Temperature The Freezestat Light flashes red
No Yes Yes No Yes
Supply Probe
Fault Hi The Set Point Temperature Display
shows “PRS” and the Process
Temperature Display shows “EHi”
Yes Yes Yes No Yes
Supply Probe
Fault Lo The Set Point Temperature Display
shows “PRS” and the Process
Temperature Display shows “ELo”
Yes Yes Yes No Yes
Return Probe
Fault Hi The Set Point Temperature Display
shows “PRR” and the Process
Temperature Display shows “EHi”
Yes Yes Yes No Yes
Return Probe
Fault Lo The Set Point Temperature Display
shows “PRR” and the Process
Temperature Display shows “ELo”
Yes Yes Yes No Yes
Freezestat Probe
Fault Hi The Set Point Temperature Display
shows “PRF” and the Process
Temperature Display shows “EHi”
Yes Yes Yes No Yes
Freezestat Probe
Fault Lo The Set Point Temperature Display
shows “PRF” and the Process
Temperature Display shows “ELo”
Yes Yes Yes No Yes
Brownout The Set Point Temperature Display
shows “Brn” and the Process
Temperature Display shows “Out”
Yes Yes Yes No Yes
3-Phase Power
Error The Electrical Phase Error list flashes
red
Yes Yes Yes No Yes
Low Flow The Low Flow Light flashes red Yes Yes No No Yes
1
Alarm Silence/Reset button on control panel must be pressed.
2
Safety control device must be manually reset before the controller can be reset.
3
Activates the alarm horn and closes the alarm contact if the remote alarm contact option has been purchased.