LG ARUB115BT2 Installation Manual - Page 74

Vacuum Mode

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Test Run Vacuum Mode This function is used for creating vacuum in the system after compressor replacement, ODU parts replacement or IDU addition/replacement. Main PCB SW01S Main PCB SW02B Main PCB SW01V Vacuum mode setting method ODU power reset Master main PCB DIP switch ON ( No.11,14) Press the black button Main PCB (5 sec.) Vacuum mode cancellation method Master main PCB DIP switch OFF( No.11,14) Power reset Vacuum mode cancellation Vacuum mode setting ODU V/V OPEN Main EEV, SC EEV OPEN IDU EEV OPEN CAUTION ODU operation stops during vacuum mode. Compressor can't operate. 74 Outdoor Unit

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74
Outdoor Unit
74
Outdoor Unit
Test Run
This function is used for creating vacuum in the system after compressor replacement, ODU parts replace-
ment or IDU addition/replacement.
Master main PCB DIP switch ON ( No.11,14)
Vacuum mode setting
ODU V/V OPEN
Main EEV, SC EEV OPEN
IDU EEV OPEN
ODU power reset
Press the black button Main PCB (5 sec.)
Main PCB
SW01S
Main PCB
SW02B
Main PCB
SW01V
ODU operation stops during vacuum mode. Compressor can't operate.
Vacuum mode setting method
Vacuum mode cancellation method
Master main PCB DIP switch OFF( No.11,14)
Power reset
Vacuum mode cancellation
CAUTION
Vacuum Mode