16 17
Wiring Diagrams
The position of the jumpers in the terminal box and the recommended wiring diagrams are shown in Figures 9 and 10.
Wiring Diagram for Part Winding Motors (AW---)
Part winding motors can be connected direct-on-line or part-winding start.
Part-winding motor:
Y - Y
Code A
Direct-on-line start
Y - Y
Part-winding start
First start step 1-2-3
Y - Y
1(U) 2(V) 3(W)
7(Z) 8(X) 9(Y)
L3L2L1
1(U) 2(V) 3(W)
7(Z) 8(X) 9(Y)
Figure 9
A4 ........ Sensor module K1 ............ Contactor M1
A5 ........ Terminal box compressor K4 ............ Contactor M1 for second part winding
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 M2 Y22 .... Solenoid valve capacity control 2
21 2928272625242322 30
in A5
N/BU
L/BN
-/BK
WH
WH
K1 K4
L1 L2 L3
F6 F7 F8
MODULE COMM
R2
CCH
POWER
24 VAC
INPUT
A4
A5
PE
1(U) 2(V) 3(W)
7(Z) 8(X) 9(Y)
S1 S2
BLACK
WHITE
WHITE
SENSOR
COMPRESSOR
WIRING
HARNESS