Appendix c, Model ugw – ClimaCool CoolLogic Control System User Manual

Page 20

Advertising
background image

www.climacoolcorp.com

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 Off)

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

Advertising