Emerson Copeland 4MF-13X Application Manuallines page 25

Figure 25: Wiring diagram – Part-winding and Star/Delta motors (AW... & EW...)
Legend
B1 Discharge gas sensor
B2 Oil level watch (TraxOil)
B3 Oil differential pressure switch (OPS)
B11 High-pressure switch
B12 Low-pressure switch
CTR2 DP Gateway
E1 Heater
F1, F2, F3 Compressor fuses
F4, F5 Fan fuses
F6 Module and heater fuse
F7 Control circuit fuse
H1 Diagnosis LED
M2 Fan motor
Q11 Compressor contactor
Compressor contactor Y (if Y/Δ start)
Q12
Q14 Compressor contactor 2
SB1 Reset button
Y21 Solenoid valve capacity control 1
T1 Current sensor
22
DGT Discharge gas temperature monitoring
OW Digital oil level watch
OPS Oil differential pressure protection
AR Alarm relay
DS Run/control signal
CH Control oil heater
PTC Motor thermic protection
PM Phase monitoring
PS Power supply
K11 Time relay for part winding (if used)
Q15 Fan contactor
Compressor contactor Δ (if Y/Δ start)
Q13
nd
part winding (if used)
Y22 Solenoid valve capacity control 2
CM Current monitoring
AGL_Stream_ST_A2L_A1_4M_6M_EN_Rev00