Wiring Diagrams For Star / Delta Motors (Ew - Emerson Copeland Stream Digital 4MFD-13X Application Manuallines

4.3.2 Wiring diagrams for Star / Delta motors (EW...)

Star / Delta motors can be connected Direct-on-line or Star / Delta start.
NOTE: The sensor module inside the terminal box requires a separate 24V AC power
supply.
Direct-on-line start
motor:
Star / Delta
Y - ∆
Code E
4.3.2.1 Compressors with CoreSense Diagnostics module
Legend
A4 ....... Sensor module
A5 ....... Compressor terminal box
CCH .... Crankcase heater
F6 ....... Fuse for control circuit
F7 ....... Fuse for control circuit
F8 ....... Fuse for control circuit
F10 ..... Thermal protection switch M21
Figure 15
16
Direct-on-line start
∆
K1 ....... Contactor M1
K2 ....... Contactor M1 Y-connection
K3 ....... Contactor M1 Δ-connection
M21 ..... Fan motor / condenser
R2 ....... Crankcase heater
Y21 ..... Solenoid valve capacity control 1
Y22 ..... Solenoid valve capacity control 2
Star / Delta start
Y
Y - ∆
C6.3.2/0416-0716/E