Owner's manual

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20
Appendix C
The CoolLogic Module Controller with I/O Flex 6126 - Quick Reference Sheet
Model UGW
Input Points
Input # Description Input Type
1. Compressor Current Sensor AI - Pressure Transducer (o-5VDC)
2. Economizer Port Suction Pressure AI - Pressure Transducer (o-5VDC)
3. Compressor Suction Refrigerant Pressure AI - Pressure Transducer (o-5VDC)
4. Compressor Discharge Refrigerant Pressure AI - Pressure Transducer (o-5VDC)
5. Spare
6. Compressor Suction Temperature AI - Thermistor/RTD
7. Liquid Subcooling Temperature AI - Thermistor/RTD
8. Economizer Port Suction Temperature AI - Thermistor/RTD
9. Chilled Water Outlet Temperature AI - Thermistor/RTD
10. Condenser Water Outlet Temperature AI - Thermistor/RTD
11a. Evaporator Motorized Valve Status DI - (10 kohm=EV MV Open) (OPEN=Both MV’s Closed)
11b. Condenser Motorized Valve Status DI - (20 kohm=CD MV Open) (6.6 kohm=Both MV’s Open)
12. VFD Alarm Status (If Used) DI - Open - Normal Status; Closed - Alarm Status
12a. Compressor Contactor 1 Status (If Used) DI - (10 kohm=CC1 On) (Open=Both O)
12b. Compressor Contactor 2 Status (If Used) DI - (20 kohm=CC2 On) (6.6 kohm=Both On)
Output Points
Description Output Type
1. Compressor Start/Stop DO - Form C Contact
2. Compressor (CR 2) Unload Solonoid Valve (50% Lim) DO - Form C Contact
3. Compressor (CR 3) Unload Solonoid Valve (25% Min. Lim) 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. Compressor (CR 4) Load Solonoid Valve (100%) DO - Form C Contact
Description Output Type
1. Condenser Motorized Proportional Valve (If Used) AO - (2-10VDC)
2. Economizer Electronic TXV Control AO - (0-10VDC)
3. Main Electronic TXV AO - (0-10VDC)
4. VFD Speed Reference AO - (0-10VDC)
Legend: AI = Analog Input
AO = Analog Output
DI = Digital Input
DO = Digital Output
VFD = Variable Frequency Drive