SAGINAW CONTROL & ENGINEERING • A/C USER MANUAL
B
Mc
Compressor
Ma
Ambient Fan
Mi
Internal Fan
Cc
Compressor Capacitor
Ca
Ambient Fan Capacitor
Ci
Internal Fan Capacitor
IH
Internal Heater
TS
Temperature Sensor
CE
Condensate Evaporator
CH
Compressor Heater
C
Controller
AR
Alarm Relay
X3
Transformer Connector
X4
Electrical Supply Connections
1
—
2
LX - 400 V
3
L2 - 400/460 V
4
Earth/Ground
5
—
6
P1 High Temp Alarm Contact
7
P2 High Temp Alarm Contact
8
T1 Door Switch Contact
9
T2 Door Switch Contact
Notes:
#1
Mi1 not used in SCE-AC2550B460V/SS
#2
X6 is plugged into X5 for units with heater
#3
Ma1 + Ca1 not used in SCE-AC2550B460V/SS
13. Wiring Diagram
400 V
1
2
3
4
5
6
7
8
9
460 V
L1 - 460 V
—
L2 - 400/460 V
Earth/Ground
—
P1 High Temp Alarm Contact
P2 High Temp Alarm Contact
T1 Door Switch Contact
T2 Door Switch Contact
13
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