LG Multi V Water IV ARNU07GTU 2 Series

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Only for training and service purposes

LGE Internal Use Only

Function

4.8 Vacuum Mode

This function is used for creating vacuum in the system after compressor replacement, ODU parts replacement or

IDU addition/replacement.

Mode setting method

CAUTION

• ODU operation stops during vacuum mode. Compressor can't operate.

Master unit PCB DIP switch on : No.5

Select the mode using ‘▶’, ‘◀’ Button : “SVC”

Push the ‘●’ button

Select the Function using ‘▶’, ‘◀’ Button :

“Se1” Push the ‘●’ button

Start the vacuum mode : “VACC”

ODU V/V open

ODU EEV open

IDU EEV open

Using a sump heater

Push the reset button on Master unit PCB

Vacuum mode cancellation method

LG Multi V Water IV ARNU07GTU 2 Series - Vacum Mode