Schreiber Chillers System OVerview - Manual (Page 3)

Models:
Voltage:
Options:
230-460
FIELD CONNECTION
Schreiber Engineering Corp.
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:
MYDOC/SCHREIBER/ELECTRICAL/SYSTEMSCHEMATIC/20-TON MODULAR WIRING
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
L3
L2
L1
L3
L2
L1
L3
L2
L1
CHILLER1
DISCONNECT
CHILLER2
DISCONNECT
PUMP
DISCONNECT
POWER SUPPLY
460/3 OR 208/3
THERE WILL BE FIELD CONNECTION FROM EACH OF
THESE DISCONNECT TO CHILLERS AND PUMP
J1
G G0
J2
B 1 B 2 B 3 GN
D
+
24V
DC
J3
B 4
+5
R
E
F
J4
Y 1 Y 2 Y 3
GN
D
ID
1
ID
2
ID
3
ID
4
ID
5
ID
6
ID
C
1
J9
N0
1
C1
NO
2
C1
N0
3
J10
NO
4
C4
NO
5
C4
NO
6
J11
NO
7
C7 C7
J6
Rx
-/
T
x
-
Rx
+
/T
x
+
GN
D
SYN
C
J7 J8
GN
D
TL
A
N
J1
G G0
J2
B 1 B 2 B 3 GN
D
+2
4
V
D
C J3
B 4
+5
R
E
F
J4
Y 1 Y 2 Y 3
GN
D
ID
1
ID
2
ID
3
ID
4
ID
5
ID
6
IDC1
J9
N01
C1
NO
2
C1
N03
J10
NO
4
C4
NO
5
C4
NO
6
J11
NO
7
C7 C7
J6
Rx
-/
T
x
-
Rx
+
/T
x+
GN
D
SYN
C
J7 J8
GN
D
TL
A
N
J1
G G0
J2
B 1 B 2 B 3 GN
D
+
24V
DC
J3
B 4
+5
R
E
F
J4
Y 1 Y 2 Y 3
GN
D
ID
1
ID
2
ID
3
ID
4
ID
5
ID
6
ID
C
1
J9
N0
1
C1
NO
2
C1
N0
3
J10
NO
4
C4
NO
5
C4
NO
6
J11
NO
7
C7 C7
J6
Rx
-/
T
x
-
Rx
+
/T
x
+
GN
D
SYN
C
J7 J8
GN
D
TL
A
N
CHILLER COMMUNICATION - FIELD
CONNECTION REQUIRED