Owner's manual

www.climacoolcorp.com
18
Appendix A
Physical Hardwire Inputs and Outputs
The CoolLogic Master Control Panel with I/O Pro 8/12U - Quick Reference Guide
Input Points
Input # Description Input Type
1. Bank Chilled Water Outlet Temperature AI - Thermistor/RTD
2. Bank Chilled Water Entering Temperature AI - Thermistor/RTD
3. Bank Condenser Water Outlet Temperature AI - Thermistor/RTD
4. Bank Condenser Water Entering Temperature AI - Thermistor/RTD
5. Outside Air Temperature AI - Thermistor/RTD
6. Remote Cool Target Set Points AI - (2-10VDC/4-20Ma)
7. Demand Limiting AI - (2-10VDC/4-20Ma)
8. Chilled Water Pressure Dierential Flow Sensor AI - (0-5 VDC)
8a. Optional Chilled Water Flow Switch (Only DI - (10 kohm = Chilled Water Flow Switch)
When Using a Switch for a Flow Safety Device) (Open = Both Flow Switches Open)
8b. Optional Condenser Water Flow Switch (Only DI - (6.6 kohm = Both Flow Switches Closed)
When Using a Switch for a Flow Safety Device) (20 kohm = Condenser Water Flow Switch Closed)
9. Local-O-Remote Selector Switch DI - (Local and Remote Open – Chiller O)
10. Remote Heat Target Set Point AI - (2-10VDC/4-20Ma)
11a. Condenser Water Pressure Dierential Flow Sensor AI - (0-5 VDC)
12. Phase Loss Monitor DI - (Common to Normally Open Contact)
(Open is Failed Condition)
Output Points
Output # Description Output Type
1. Control Relay 1 (Spare) DO - Form C Contact
2. Control Relay 2 (Spare) DO - Form C Contact
3. Control Relay 3 (Spare) DO - Form C Contact
4. Control Relay 4 (Spare) DO - Form C Contact
5. Chiller Status Output DO - Form C Contact
6. Common Alarm Output Contacts DO - Form C Contact
7. Header Bypass Valves
8. Spare
Legend: AI = Analog Input
DI = Digital Input
DO = Digital Output