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Only training and service purposes.

4.4 Vacuum Mode

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

or IDU addition/replacement.

4.5 Static pressure compensation mode

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

or IDU addition/replacement.

Master unit PCB DIP switch on : No.5

Start the vacuum mode : “VACC”

ODU V/V open

ODU EEV open

IDU EEV open

Vacuum mode setting method

Vacuum mode cancellation method

Push the reset button on Master unit PCB

Select the mode using

‘ȯ’, ‘ȭ’ Button : “SVC”

Push the ‘●’ button

Select the Function using ‘ȯ’, ‘ȭ’ Button : : “Se3”

Push the

‘●’ button

Master unit PCB DIP switch on : No.5

Select the mode using ‘ȯ’, ‘ȭ’ Button : “Func”

Push the ‘●’ button

Select the Function using ‘ȯ’, ‘ȭ’ Button : “Fn2”

Push the ‘●’ button

Select the Option using

‘ȯ’, ‘ȭ’ Button : : “op1~op2”

Push the

‘●’ button

Start the Static pressure compensation mode :

Save the selected option value in EEPROM

CAUTION

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

FAN Maximum RPM of each step

Static pressure compensation mode setting method

Capacity 5HP

Fan Max.

RPM

op1 +50

op2 +100

op3 +150

Function

Brand	LG
Model	MULTI V M ARNU07GTU 4 Series
Category	Air Conditioner
Language	English

LG MULTI V M ARNU07GTU 4 Series User Manual

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LG MULTI V M ARNU07GTU 4 Series Specifications

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