Carrier 19XRV specifications Appendix a Wiring Schematics Chiller Control Schematic, A19-1946

APPENDIX A — WIRING SCHEMATICS

CHILLER CONTROL SCHEMATIC

(SHIELD)

AUTO DEMAND LIMIT

EXT

(RED)

4-20mA

(OPTIONAL)

(1-5vdc)

(BLK)

AUTO CHILLED WATER

EXT

(CLR)

4-20mA

RESET (OPTIONAL)

(CLR)

(1-5vdc)

(SHIELD)

(BLK)

6

4-20mAkw

OUTPUT

+ - + - + -

+

-

- + - +

3

2

1

4

3

2

1

6

5

4

3

2

1

J5

J6

J7

J8

EVAP ENT

(RED)

1

WATER TEMP

(BLK)

2

SWITCH POSITION

(RED)

3

O

1 2 3

SW "ON" = EXT 4-20mA

EVAP LVG

N

WATER TEMP

(BLK)

4

SW "OFF" = EXT 1-5Vdc

(WHT)

COND ENT

(RED)

5

SW2

1 "OFF"

J9

(BLU)

(BLK)

WATER TEMP

(BLK)

6

2 "ON"

(ORN)

(UPPER)

7

3 "ON"

COND LVG

(RED)

J10

WATER TEMP

(BLK)

8

L1

(YEL)

4

9

J4

G.V. POSITION

(CLR)

L2

8

7

FEEDBACK

10

(BLK)

DIFFUSER ACTUATOR

10K

(SHIELD)

(RED)

11

(BLK)

EVAP REFRIG

(SHIELD)

(WHT)

LIQUID TEMP

(BLK)

12

3

(CLR)

COMMON

X

REMOTE TEMP

(WHT)

13

J11

2

(RED)

G.V. INCREASE

3

RESET

(BLK)

14

G.V. DECREASE

(OPTIONAL)

1

(BLK)

2

15

L1

16

L2

COMP'R

(RED)

17

GUIDE VANE ACTUATOR

DISCH TEMP

(BLK)

18

(RED)

1

19

(CLR)

(BLK)

COMP'R THRUST

2

20

(YEL)

BRG TEMP

(BLK)

(CLR)

3

CB2

(SPARE)

(LOWER)

(RED)

21

6

(BLK)

(BLK)

VFD COOLANT

(BLK)

COMP'R OIL

SOLENOID

(BRN)

SUMP TEMP

(BLK)

22

5

(BRN)

(BLK)

(CLR)*

J4

4

3

1

HGBP (OPTIONAL)

(WHT)

1

23

J12

(BLU)

3C

(BRN)

(CLR)

COMP'R

2

24

3

(BLK)

MOTOR TEMP

(BLK)

3

(BRN)

C2

C1

NOISE

(SPARE)

2

(WHT)

2C

COMP'R OIL PUMP

(WHT)

SUPPRESSOR

1

C2

C1

(RED)

(ORN)

1C

(BRN)

COMP'R OIL HEATER

(GRY)

SPARE TEMP #1

(WHT)

25

(BRN)

(OPTIONAL)

(BLK)

26

(WHT)

SPARE TEMP #2

(WHT)

27

(OPTIONAL)

(BLK)

28

-

(BLK)

1

CCM

OIL SUMP

+

(CLR)

2

PRESS

+

100»f

(RED)

3

-

(BLK)

4

OIL PUMP

+

(CLR)

5

DISCH PRESS

+

100»f

NOTE: GND SHIELDS AT THIS END ONLY

(RED)

6

(BLK)

7

(SHIELD)

(SHIELD)

LOAD RESISTOR

(UPPER)

8

-

(RED)

(RED)

RELATIVE

4.3K

9

+

RMS

S

HUMIDITY

+

(RED)

J3

(CLR)

G

(WHT)

CCN

(WHT)

(BLK)

-

(BLK)

10

SP

11

ALL SWITCHES SET

LOAD RESISTOR

12

TO "OFF" POSITION

(RED)

1

10K

13

(GRY)

2

14

8

LOAD RESISTOR

7

15

6

SW1

4 5

4.3K

16

3

17

(LOWER)

2

JUMPER

1

18

0 N

J7

ALARM

6

19

R

J3

J1

LOAD RESISTOR

20

21

2

(RED)

(RED)

5

ICVC

J1

24VAC

CB1

(GRY)

4

4.3K

22

1

(GRY)

(GRY)

(BLK)

3

-

JUMPER

23

(CLR)

2

G

24

(GRY)

(RED)

1

+

STOP

J8

-

(BLK)

1

SERVICE

EVAP PRESS

(CLR)

2

+

(RED)

3

J2

(BLK)

4

-

COND PRESS

(CLR)

5

+

(RED)

6

a19-1946

28