Sinclair SCV-750EB Service Manual page 121

Notes:
1. Compressor inverter module address is set through dial switch S7 on the inverter module. The compressor inverter module A/B location refers to the
wiring diagram.
Switch
S7
2. Communication wire from outdoor main PCB CN26 to inverter module CN8/CN9.
3. LED3 on inverter module
4. Check the wired connection between CN5/CN6/CN7 of filter board and CN6/CN7/CN15 of compressor module board, the normal voltage should be
380-415VAC.
Compressor A inverter module address setting
Compressor B inverter module address setting
Communication port CN28 on main PCB
Description
Communication port CN8/CN9 on inverter module
S7-1 S7-2
OFF OFF
OFF ON
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