Appendix b, Models ucw/h/r – ClimaCool CoolLogic Control System User Manual

Page 19

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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

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