Emerson Copeland 4MF-13X - Page 17

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
Direct-on-line start
Δ
Direct-on-line start
Y
Star / Delta start
Y - Δ
L1 L2 L3
1(U) 2(V) 3(W)
7(Z) 8(X) 9(Y)
L1 L2 L3
1(U) 2(V) 3(W)
7(Z) 8(X) 9(Y)
Figure 10
L1 L2 L3
L3L2L1
1(U) 2(V) 3(W)
7(Z) 8(X) 9(Y)
A4 ........ Sensor module K2 ............ Y - Contactor M1
A5 ........ Terminal box compressor K3 ............ Contactor M1
CCH ...... Crankcase heater M2 ........... Fan motor/condenser
F6 ......... Fuse for control circuit M21 ......... Fan motor/condenser
F7 ......... Fuse for control circuit R2 ............ Crankcase heater
F8 ......... Fuse for control circuit Y21 .......... Solenoid valve capacity control 1
F10 ....... Thermal protection switch Y22 .......... Solenoid valve capacity control 2
K1 ........ Contactor M1
21 2928272625242322 30
in A5
A-M21 F10 Y21 Y22
N/BU
L/BN
-/BK
WH WH
R2
CCH
POWER
24 VAC
INPUT
A4
MODULE COMM
K1
L1 L2 L3
F6 F7 F8
A5
PE
1(U) 2(V) 3(W)
7(Z) 8(X) 9(Y)
S1 S2
CURRENT
SENSOR
K3 K2
COMPRESSOR
WIRING
HARNESS
K2 U.K3 FOR Y/ START ONLY
L1
BLACK
WHITE
WHITE