Emerson Copeland Scroll YBVH021 1U-3E9 - Wiring Diagrams

C6.2.38/0719/E 19
4.3 Wiring diagrams
For the single-phase and three-phase matched pairs of YBVH* compressor and ED3 drive, the
following circuit diagrams can be used:
Power circuit Control circuit
Legend
B1 ....... System controller K2 ........ Contactor (optional)
Q1 ....... Main switch RCD .... Residual current device
D ......... Drive assembly S1 ........ Auxiliary switch
F1, F6 . Fuses
F3 ....... HP limiter
F4 ....... LP switch
Figure 17: Wiring diagram for YBVH* compressors with single-phase drive
Power circuit Control circuit
Legend
B1 .................... System controller K2 .............. Contactor (optional)
Q1 .................... Main switch RCD ........... Residual current device
D ...................... Drive assembly S1 .............. Auxiliary switch
F1, F6, F7, F8 .. Fuses
F3 .................... HP limiter
F4 .................... LP switch
Figure 18: Wiring diagram for YBVH* compressors with three-phase drive