Thermal Care NQA13 - Page 5

Compressor Recycle LED ............................................................................................................................................................................. 46
High Refrigerant Pressure LED .................................................................................................................................................................. 46
Low Refrigerant Pressure LED.................................................................................................................................................................... 46
Program Mode LED ....................................................................................................................................................................................... 46
Set Point Temperature Display ................................................................................................................................................................. 46
Process Temperature Display .................................................................................................................................................................... 46
Program Menu................................................................................................................................................................................................. 46
Table 15 - Controller Program Menu ................................................................................................................................................ 48
Table 16 – Controller Control Fault Logic ........................................................................................................................................ 49
SPI Communications (Optional) ............................................................................................................................................................... 50
Table 17 - SPI Parameters ...................................................................................................................................................................... 50
Modbus RTU (Optional) ............................................................................................................................................................................... 51
Table 18 – ModBus RTU Option Parameters (Integer Values) ................................................................................................. 51
Table 19 – ModBus RTU Option Parameters (Floating Point Values) ................................................................................... 52
Optional Controller Operation .....................................................................................................................................54
Start-Up Screen & Thermal Care Contact Information ................................................................................................................... 54
Main Screen ...................................................................................................................................................................................................... 54
Local/ Remote Button (Press to Toggle) .......................................................................................................................................... 54
Start Button .................................................................................................................................................................................................. 54
Stop Button .................................................................................................................................................................................................. 54
Set Point Temperature Display & Entry ............................................................................................................................................ 54
Actual Supply Water Temperature Display ..................................................................................................................................... 54
Alarms Button ............................................................................................................................................................................................. 54
Setup Button ............................................................................................................................................................................................... 54
Process Diagnostic Button ..................................................................................................................................................................... 54
Refrigereration Diagnostic Button ...................................................................................................................................................... 54
Active Alarms Screen..................................................................................................................................................................................... 55
Alarm Reset Button ................................................................................................................................................................................... 55
Alarm History Button ............................................................................................................................................................................... 55
Main Button ................................................................................................................................................................................................. 55
Alarm History Screen .................................................................................................................................................................................... 55
Up and Down Buttons ............................................................................................................................................................................. 55
Acknowledge Button ................................................................................................................................................................................ 55
Alarms Button ............................................................................................................................................................................................. 55
Process Diagnostic Button ..................................................................................................................................................................... 55
Main Button ................................................................................................................................................................................................. 55
Compressor Setup Screen ........................................................................................................................................................................... 56
Process Setup Button ............................................................................................................................................................................... 56
PID Setup ...................................................................................................................................................................................................... 56
FreezeStat Setup Button ......................................................................................................................................................................... 56
Main Button ................................................................................................................................................................................................. 56
Process Setup Screen .................................................................................................................................................................................... 56
HGBP PID Button ....................................................................................................................................................................................... 56
Compressor Setup Button ...................................................................................................................................................................... 56
Main ................................................................................................................................................................................................................ 56
Hot Gas Bypass Screen PID Tuning Screen .......................................................................................................................................... 57
Refrigeration Diagnostic Button .......................................................................................................................................................... 57
Compressor Setup Button ...................................................................................................................................................................... 57
Main Button ................................................................................................................................................................................................. 57
Freezestat Setup Screen............................................................................................................................................................................... 57