Schreiber Chillers 2203AC - 3-Stage Chiller - Manual (Page 17)

Models:
Voltage:
Options:
230-460
2203AC
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 MEDIUM CONTROL
LOW AMBIENT - FAN staging CONTROL
L3
L2
L1
24V
1LL
1W
2W
1C
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
HP1
HP3
J5
ID1
ID2
ID3
ID4
ID5
ID6
ID7
ID8
IDC1
J12
C1
N01
N02
N03
C1
J13
C4
N04
N05
N06
C4
BLACK
FS 1
LP1
Alarm LED
HP2
LP2
LP3
2C
2RS
3C
3RS
1F
2F
3F
J14
C7
NO7
C7
J15
NO8
C8
NC8
J17
N012
C12
NC12
J18
NO13
C13
NC13
24VAC
24VAC
Alarm LED
J1
G G0
FUSE
5X20
J2
B1 B2 B3 GN
D
+V
D
C
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
J6
B6 B7 B8 GN
D
ID
9
ID
10
ID
11
ID
12
J7
IDC9 ID
13
H
ID
13
IDC1
3
ID
14
J8
ID
14
H
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
J16
NO
9
C9
NO
10
NO
11 C9
J17
C1
2
NO
12
NC
12
NO
13
C1
3
J18
NC1
3
J11
Rx
-/ Tx
-
Rx
+/
Tx
+
GN
D
PRESSURE
TRANSDUCER 1
PRESSURE
TRANSDUCER 2
DIS
C
T
E
M
P
RE
TU
RN T
E
M
P
AM
B
-T
EM
P
24
VAC
HP
1
HP
3
HP
2
LP
1
FS LL
LP
2
LP
3
24VAC
440-480 VAC
24v
ac
Pu
m
p1
Co
m
p1
Pu
m
p2
24v
ac
Co
m
p2
Co
m
p3
Fan1 24v
ac
Fan2 Fan3 24v
ac
24v
ac
Ala
rm
1
24v
ac
Ala
rm
2
PRESSURE
TRANSDUCER 3