T1 t2 t3, Fan relay spdt vfd application only, J1 4 – Schreiber Chillers 1055 New User Manual

Page 19: City water switchover terminals

Advertising
background image

Models:

Voltage:

Options:

230-460

1055AC

Schreiber Engineering

12111 Park St. Cerritos, CA 90701

(562)-926-3855

(562)-926-0969 Fax

Phase: 3

Type: Air/Water Cooled Chiller

Notes:

All motors have internal overload protection unless otherwise shown
On all connections: L1 - Blue L2 - Black L3- Red

Marks:

Pco2 CONTROL - SINGLE PUMP

CITY WATER SWITCHOVER INTERFACE

DUAL STAGES

L3

L2

L1

1W

1C

2C

T1

T2

T3

T1

T2

T3

T1

T2

T3

24V

1LL

1W

1C

2C

T1

T2

T3

2RS

T1

T2

T3

1RS

LL-

W-

RS-

C-

FR-

Low Level Float Switch
Water Pump Contactor
Refrigerant Solenoid
Compressor Contactor
Fan Relay

LP-

Low Refrigerant Pressure Switch

HP-

High Refrigerant Pressure Switch

LA-

Low Ambient Fan Control

CRANKCASE HEATER#1

CRANKCASE HEATER#2

HP1

HP2

LP1

LP2

J5

ID1

ID2

ID3

ID4

ID5

ID6

ID7

ID8

IDC1

J12

C1

N01

N02

N03

C1

J13

C4

N04

N05

N06

C4

BLACK

BLACK

FS 1

FUSES

FR

BF1

B3 - DISCHARGE TEMPEARTURE

B4 - RETURN TEMPERATURE - 1HP

B5 - AMBIENT TEMPERATURE PROBE

REMOTE ON/OFF-OPTIONAL

J15

N08

C8

NC8

ALARM CONTACT

J1

G

G0

FUSE

5X20

J2

B1

B2

B3

GN

D

+V

DC

J3

B4

BC

4

B5

BC

5

J4

VG

VG

0

Y1

Y2

Y3

Y4

J5

ID

1

ID

2

ID

3

ID

4

ID

5

ID

6

ID

7

ID

8

IDC1

J9

J10

J12

N0

1

C1

NO

2

C1

N0

3

J13

NO

4

C4

NO

5

C4

NO

6

J14

NO

7

C7

C7

J15

C8

NO

8

NC8

J11

Rx

-/

T

x

-

Rx

+

/T

x

+

GN

D

PRESSURE

TRANSDUCER 1

PRESSURE

TRANSDUCER 2

2

4

VAC

G

R

O

UND

TO

V

F

D

T#

8

2

4

VAC

Bl

a

c

k

HP

1

HP

2

LP

1

LP

2

FS

1

FS

2

LL

FAN RELAY SPDT

VFD APPLICATION ONLY

NO5

J13

COM

TO FW

ON VFD

TO 12V

ON VFD

J1

4

NO

7

C7

1

2

3

4

5

6

7

8

9

10

11

12

AL

AR

M

N

C

AL

A

R

M

N

O

AL

AR

M

C

O

M

110 V

A

C

110 N

E

U

T

R

A

L

REQUIRE FIELD

CONNECTION

CITY WATER SWITCHOVER TERMINALS

Advertising