LG RCAW Operation & Maintenance Manual page 62

Service
Assist Relay
Assist Relay is the relay to check power supply of 220V to the controller. Assist Relay is as follows.
Compressor Contactor
Compressor Contactor controls the start, stop and static range of the compressor motor when the product is operating.
Rated voltage of Compressor Contactor is 400V.
62 Chiller Air-cooled Screw
Fig. 40
Fig. 41