Wiring Diagram - SCE ENVIRO-THERM -AC1870B230V User Manual

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 L1 - 230V
2 —
3 L2/N - 230V
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 Ci not used in SCE-AC1870B230V/SS
#2 X6 is plugged into X5 for units with heater
#3 Ma1 + Ca1 not used in SCE-AC1870B230V/SS

13. Wiring Diagram

Cc
Mc
~
85˚C t
IH
X6
X5
#2
CE
TS
+t˚C
-t˚C
11 10 9 8 7 6 5 4 3 2 1
C
#3
Ma
~
1
Ca
1
Ma ~ X1
Ca
CH
85˚C
230V
#1
Ci
Mi
~
Mi
~
1
X5
#2
AR
L2
L1 LX PE P1 P2 T1 T2
N
1 2 3 4 5 6 7
1
X3
1
X4
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8 9
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