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Carrier 19XRV User Manual

Page 29

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29

APPENDIX A — WIRING SCHEMATICS (cont)

CHILLER CONTROL SCHEMATIC (cont)

(RED)

(BLK)

(BRN)

(BRN)

(WHT)

T2

24VAC

(GRN)

(RED)

(RED)

(BLU)

(BLU)

(BLK)

SOLENOID

HGBP

(YEL)

(YEL)

(BLK)

(BLK)

21

23

3C

4

2

(WHT)

(BLK)

3

6

5

4

2

1

HOT GAS BYPASS

(FR #7 & 8 HT EXCH)

115V CONTROL ONLY

(RED)

ACTUATOR

HGBP

COM

OPEN

CLOSE

(GRN)

(BLK)

(BLU)

3C

3C

4

2

6

5

(WHT)

230V WIRING MODIFICATION

COMP'R OIL HEATER

(BLK)

(BLK)

(WHT)

(WHT)

(BLK)

13

11

12

1C

1C

1C

(FR #1 - 6 HT EXCH)

HOT GAS BYPASS

(BLU)

(BLK)

(GRN)

(RED)

(RED)

(BLU)

(BLU)

(BLK)

SOLENOID

HGBP

(YEL)

(YEL)

(BLK)

(BLK)

3C

SHOWN WIRED FOR 115V

230V WIRING MODIFICATION

4

2

(WHT)

(RED)

(BLK)

(BLK)

(WHT)

WHT

)

T

H

W

(

)

T

H

W

(

COMP'R OIL PUMP MOTOR

WINDING HIGH TEMPERATURE

WHT

(WHT)

(BLK)

(BLK)

COMP'R DISCH

HIGH PRESS

(CLR)

(RED)

(SHIELD)

(BLK)

A

C

17

51

50

43

B

(BRN)

(RED)

(ORN)

(BLK)

COMP'R OIL HEATER

(WHT)

(BLK)

(WHT)

(WHT)

(BLK)

(BLK)

23

21

22

13

11

12

1C

1C

1C

115V

230V

COM

TO TB-G **

(RED)

(YEL)

(BLK)

RED

YEL

BLK

23

21

22

2C

2C

2C

13

11

12

VOLTAGE

PER JOB

REQM'T

M

COMP'R OIL

PUMP MOTOR

(1-1/2 HP)

TO VFD

T1

24VAC

(RED)

(BLK)

(BRN)

(BRN)

(WHT)

(RED)

(GRY)

(RED)

(GRY)

(WHT)

(WHT)

(BLK)

(BLK)

(BRN)

(YEL)

(RED)

(CLR)

(BLK)

(RED)

(BLK)

(BRN)

(BRN)

(WHT)

T3

24VAC

(RED)

(GRY)

UPC

1

2

a19-1947

LEGEND

* Standard on LF2 drive; optional on machines equipped with
other VFDs.

CB

Circuit Breater

CCM

Chiller Control Module

HGBP

Hot Gas Bypass

ICVC

International Chiller Visual Controller

RHS

Relative Humidity Sensor

UPC

Universal Protocol Controller

VFD

Variable Frequency Drive

Denotes Control Panel Terminal

Denotes Oil Pump Terminal

Denotes Power Panel Terminal

**

Denotes Motor Starter Panel Conn
Denotes Component Terminal
Wire Splice
Denotes Conductor male/Female Connector
Option Wiring