Carrier 19XRV Series Start-Up And Service Instructions page 19

19XRV CHILLER CONTROL SCHEMATIC (PIC III) (cont)
TO TB-G **
21
230V
1C
22
115V
1C
23
COM
1C
(WHT)
(BLK)
(YEL)
(RED) 51
(ORN) 50
(BRN) 43
(BLK) 17
TO VFD
(CLR)
(BLK)
(RED)
(SHIELD)
(RED)
(BLK)
(CLR)
(BLK)
(BRN)
WHT
( W H T )
COMP'R OIL PUMP MOTOR
WINDING HIGH TEMPERATURE
(WHT)
(RED)
(GRY)
a19-1947
Continued from
previous page
CB — Circuit Breaker
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
* Standard on LF2 drive; optional on machines equipped with
other VFDs.
APPENDIX A — WIRING SCHEMATICS (cont)
11
(BLK)
12
(BLK) (BLK)
13
(WHT) (WHT)
(WHT)
COMP'R OIL HEATER
(BLK)
(BLU)
(WHT)
(BLK)
(RED)
(WHT)
(WHT)
(BLK)
(BLK)
C
COMP'R DISCH
HIGH PRESS
B
A
WHT
( W H T )
LEGEND
COMP'R OIL HEATER
11
(BLK) (BLK)
1C
(WHT)
12
1C
(WHT)
13
(WHT) (BLK)
1C
230V WIRING MODIFICATION
(BLK) (BLK) (BLK)
(RED) (WHT) (RED) (WHT) (RED) (WHT)
T1 T2 T3
24VAC
24VAC 24VAC
(BRN) (BRN)
(BRN) (BRN) (BRN) (BRN)
(RED) (GRY)
(BLK) (RED) (GRY)
2
1
UPC
21
VOLTAGE
22
PER JOB
REQM'T
23
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
19
(GRN)
1
2 COM
3
OPEN
4 CLOSE
5
6
HGBP
ACTUATOR
(RED)
3C
6 5
(WHT)
(BLU)
(BLK)
3C
4 2
HOT GAS BYPASS
(FR #7 & 8 HT EXCH)
115V CONTROL ONLY
(GRN)
(BLU)
(RED)
(BLU)
(RED)
HGBP
SOLENOID
(YEL)
(BLK)
(BLK)
(YEL)
4 2
3C
SHOWN WIRED FOR 115V
23
(GRN)
(BLU)
(RED)
(BLU)
(RED)
HGBP
SOLENOID
(YEL)
(BLK)
(BLK)
(YEL)
4 2
3C
230V WIRING MODIFICATION
HOT GAS BYPASS
(FR #1 - 6 HT EXCH)
YEL
11
(YEL)
2C
BLK
(1-1/2 HP)
12
M
(BLK) COMP'R OIL
PUMP MOTOR
2C
RED
13
(RED)
2C
(BLK)
(BLK)
21
(BLK)