LG ARNU05GL1G2, Service Manual

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Copyright ©2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4.14 Vacuum Mode
This function is used for creating vacuum in the system after compressor replacement, ODU parts replacement
or IDU addition/replacement.
4.15 Static pressure compensation mode
This function is used for creating vacuum in the system after compressor replacement, ODU parts replacement
or IDU addition/replacement.
Function
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~op3”
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 8~12HP 14~20HP
Max. RPM
Standard 730 950
Step1 760 1020
Step2 780 1050
Step3 800 1130
Function