Schreiber Chillers 1055 New - Manual (Page 19)

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