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Icvc – Carrier 19XRV User Manual

Page 28

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28

APPENDIX A — WIRING SCHEMATICS

CHILLER CONTROL SCHEMATIC

NOISE
SUPPRESSOR

VFD COOLANT
SOLENOID

)

R

L

C

(

)

K

L

B

(

)

N

R

B

(

(BRN)

RMS

+

S

-

RELATIVE
HUMIDITY

(BLK)

(WHT)

(RED)

JUMPER

JUMPER

R

STOP

ICVC

ALARM

J7

J1

J8

5

4

24VAC

3

2

G

+

-

1

(RED)

(GRY)

(RED)

(BLK)

(CLR)

SERVICE

6

SW2

1

O
N

3

2

SWITCH POSITION

SW "ON" = EXT 4-20mA

SW "OFF" = EXT 1-5Vdc

1 "OFF"

2 "ON"

3 "ON"

ALL SWITCHES SET
TO "OFF" POSITION

LOAD RESISTOR

4.3K

LOAD RESISTOR

4.3K

LOAD RESISTOR

4.3K

LOAD RESISTOR

10K

G

+

-

2

1

SP

NOTE: GND SHIELDS AT THIS END ONLY

(RED)

(GRY)

(RED)

)

D

L

E

I

H

S

(

)

D

L

E

I

H

S

(

(RED)

)

K

L

B

(

)

K

L

B

(

N

C

C

)

T

H

W

(

)

R

L

C

(

6

J6

J9

J10

(BLK)

(WHT)

)

T

H

W

(

+

-

OIL PUMP
DISCH PRESS

(RED)

(CLR)

(BLK)

100»f

+

+

-

OIL SUMP
PRESS

(RED)

(CLR)

(BLK)

100»f

+

CB2

CB1

(RED)

(GRY)

(GRY)

(GRY)

(RED)

(GRY)

2

1

J1

SW1

0 N

12345678

1C

C1

C2

2C

C2

C1

3C

3

1

(WHT)

(BLK)

(BRN)

HGBP (OPTIONAL)

COMP'R OIL HEATER

COMP'R OIL PUMP

(BLK)

(BRN)

(BRN)

(WHT)

(BRN)

(ORN)

(WHT)

(BLK)

(BLU)

(BLK)

6

5

4

3

2

J12

1

(YEL)

(YEL)

(SHIELD)

4-20mA

4-20mA

EXT

EXT

(1-5vdc)

(1-5vdc)

AUTO DEMAND LIMIT
(OPTIONAL)

AUTO CHILLED WATER
RESET (OPTIONAL)

6

+

-

+

-

+

-

5

4

3

2

J5

1

L1

L2

COMMON

G.V. DECREASE

G.V. INCREASE

(SHIELD)

(RED)

(BLK)

GUIDE VANE ACTUATOR

(CLR)

X

2

3

3

1

J11

2

(RED)

(CLR)

(BLK)

(BLK)

(CLR)

(RED)

3

+

-

1

J7

2

3

4

-

+

-

+

1

J8

2

J3 (LOWER)

13

14

15

16

17

18

19

20

21

22

23

24

+

-

EVAP PRESS

(RED)

(CLR)

(BLK)

+

-

COND PRESS

(RED)

(CLR)

(BLK)

J2

1

2

3

4

5

6

J3 (UPPER)

1

2

3

4

5

6

7

8

9

10

11

12

J4 (LOWER)

15

16

17

18

19

20

21

22

23

24

25

26

27

28

SPARE TEMP #1
(OPTIONAL)

(WHT)

(BLK)

SPARE TEMP #2
(OPTIONAL)

(WHT)

(BLK)

COMP'R
DISCH TEMP

(RED)

(BLK)

1

3

2

COMP'R THRUST
BRG TEMP

(CLR)

(BLK)

(SPARE)

COMP'R OIL
SUMP TEMP

(RED)

(BLK)

1

3

2

COMP'R
MOTOR TEMP

(CLR)

(BLK)

(SPARE)

G.V. POSITION
FEEDBACK

(CLR)

7

8

10K

4

(BLK)

(SHIELD)

REMOTE TEMP
RESET
(OPTIONAL)

(WHT)

(BLK)

EVAP ENT
WATER TEMP

(RED)

(BLK)

EVAP LVG
WATER TEMP

(RED)

(BLK)

COND ENT
WATER TEMP

(RED)

(BLK)

COND LVG
WATER TEMP

(RED)

(BLK)

EVAP REFRIG

LIQUID TEMP

(RED)

(BLK)

J4 (UPPER)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

CCM

(BLK)

(WHT)

L1

(BLU)

(ORN)

L2

(CLR)

(BLK)

DIFFUSER ACTUATOR

4-20mAkw

OUTPUT

(SHIELD)

*

a19-1946