Emerson Copeland 4MF-13X User Manual page 17

Wiring diagram for Star / Delta motors (EW---)
Star / Delta motors can be connected direct-on-line or Star / Delta start.
Star / Delta
motor
Y - Δ
Code E
L1 L2 L3
F6 F7 F8
K1
CURRENT
SENSOR
L1
1(U)
7(Z)
S1
A4 ........ Sensor module
A5 ........ Terminal box compressor
CCH ...... Crankcase heater
F6 .........
F7 .........
F8 .........
F10 ....... Thermal protection switch
K1 ........
Direct-on-line start
Δ
L1 L2 L3
1(U) 2(V) 3(W)
7(Z) 8(X) 9(Y)
A-M21
in A5
21 22 23 24
K2 U.K3 FOR Y/ START ONLY
K3 K2
PE
2(V) 3(W)
8(X) 9(Y)
S2
A5
Fuse for control circuit
Fuse for control circuit
Fuse for control circuit
Contactor M1
Direct-on-line start
Y
L1 L2 L3
1(U) 2(V) 3(W)
7(Z) 8(X) 9(Y)
F10 Y21 Y22
COMPRESSOR
WIRING
HARNESS
25 26 27 28 29 30
MODULE COMM
R2
CCH
POWER
BLACK
WHITE
WHITE
K2 ............ Y - Contactor M1
K3 ............ Contactor M1
M2 ........... Fan motor/condenser
M21 ......... Fan motor/condenser
R2 ............ Crankcase heater
Y21 .......... Solenoid valve capacity control 1
Y22 .......... Solenoid valve capacity control 2
Figure 10
Star / Delta start
Y - Δ
L1 L2 L3
1(U) 2(V) 3(W)
7(Z) 8(X) 9(Y)
L1 L2 L3
24 VAC
INPUT
A4
17