L3 l2 l1, 1w 1c – Schreiber Chillers 400ACsf trane User Manual
Page 8
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L3
L2
L1
24V
1W
1C
1C
1W
Models:
Voltage:
Options:
Schreiber Engineering
12111 Park St. Cerritos, CA 90703
(562)-926-3855
(562)-926-0969 Fax
Phase:
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:
Red
50-500 A/C-W/C
220-480
3
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
50-500-01
Note : Water cooled
units are not equipped
with fan motors
H
G
F
E
D
C
B
A
8
7
6
5
4
3
2
1
H
G
F
E
D
C
B
A
8
7
6
5
4
3
2
1
2
4
A
C
G
R
N
D
L
O
L
V
P
U
M
P
C
O
M
P
TC RETURN
DISCHARGE TC
+
+
-
-
TIMED DELAY
0 1 2 4
Red
1LL
1LP
1HP
Red
Purple
Electronic Control Board
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