LG RCWW-1 Operation & Maintenance Manual page 61

Voltage unbalance trips when the unbalance exceeds more than 3 seconds in the range of +5%. In
the same token, phase loss trip delays 2 seconds, and the reverse phase trip delays 0.5 seconds.
Over-voltage trip location and trip delay can be configured through the rotator switch on the voltage
monitoring relay. Under-voltage trip location and trip delay can be configured through other rotor
switch on the voltage monitoring relay .Default setting of rotary switch is shown below.
u
Assist Relay
Assist Relay is to check whether the power of the controller is 220V. Assist Relay is shown below.
u
Compressor Contactor
Compressor contactor starts, stops and controls the fixed range of the compressor motor when the product is
operating. The rated voltage of the compressor contactor is rated electrical input.
Over voltage Value
Over Voltage Delay
Under Voltage Value
Under Voltage Delay
Rated Voltage(380VAC) : 418VAC
Rated Voltage(400VAC) : 440VAC
Rated Voltage(415VAC) : 457VAC
4S
Rated Voltage(380VAC) : 342VAC
Rated Voltage(400VAC) : 360VAC
Rated Voltage(415VAC) : 374VAC
4S
Table 22
Fig. 36
Fig. 37
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