Owner's manual

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Appendix B
The CoolLogic Module Controller with I/O Flex 6126 - Quick Reference Guide
Models UCW/H/R
Input Points
Input # Description Input Type
1. Compressor 1 Suction Refrigerant Pressure AI - Pressure Transducer (o-5VDC)
2. Compressor 2 Suction Refrigerant Pressure AI - Pressure Transducer (o-5VDC)
3. Compressor 1 Discharge Refrigerant Pressure (If Used) AI - Pressure Transducer (o-5VDC)
4. Compressor 2 Discharge Refrigerant Pressure (If Used) AI - Pressure Transducer (o-5VDC)
5. Compressor 1 Suction Temperature AI - Thermistor/RTD
6. Compressor 2 Suction Temperature AI - Thermistor/RTD
7. Compressor 1 Discharge Temp (If Used) AI - Thermistor/RTD
8. Compressor 2 Discharge Temp (If Used) AI - Thermistor/RTD
9. Chilled Water Outlet Temp AI - Thermistor/RTD
10. Condenser Water Outlet Temp (If Used) AI - Thermistor/RTD
11a. Compressor 1 Status DI - (10 kohm=C1 ON) (OPEN=BOTH OFF)
11b. Compressor 2 Status DI - (20 kohm=C2 ON) (6.6 kohm=BOTH ON)
12. Evaporator Motorized Valve Status (If Used) DI - (10 kohm=EV MV OPEN) (OPEN=BOTH MV’s
CLOSED)
12a. Condenser Motorized Valve Status (If Used) DI - (20 kohm=CD MV OPEN) (6.6 kohm=BOTH MV’s
OPEN)
Output Points
Description Output Type
1. Compressor 1 (Start/Stop) DO - Form C Contact
2. Compressor 2 (Start/Stop) DO - Form C Contact
3. Heat Pump Reversing Valve (Start/Stop) (If Used) DO - Form C Contact
4. Evaporator Motorized Valve (Start/Stop) (If Used) DO - Form C Contact
5. Module Alarm Light DO - Form C Contact
6. Spare
Description Output Type
1. Condenser Motorized Proportional Valve (If Used) AO - (2-10VDC)
Legend: AI = Analog Input
AO = Analog Output
DI = Digital Input
DO = Digital Output