LG Multi V PRHR023 - Page 29

29
ENGLISH
Slave
Master
Header
Slave
Master
The others
- Ensure that the branch pipes are attached vertically.
Slave
Master
Slave
Master
Vertical Distribution
Slave
Master
1st
3rd
3rd main pipe distribution
2nd
Vacuum mode off method
CAUTION
!
ODU operation stops during vacuum mode. Compressor can't
operate.
Master unit PCB DIP switch on : No.5
Vacuum mode
Select the mode using ‘▶’, ‘◀’ Button :
“SVC” Push the ‘●’ button
Select the Function using ‘▶’, ‘◀’ Button :
“Se3” Push the ‘●’ button
Start the vacuum mode : “VACC”
ODU Valve open
ODU EEV open
IDU EEV open
HR unit valve open, SC EEV open
DIP switch off and push the reset button on Master unit PCB
Vacuum Mode
This function is used for creating vacuum in the system after
compressor replacement, ODU parts replacement or IDU
addition/replacement.
Vacuum mode setting method
SW01C (Ɨ: Confirm /
Automatic Addressing)
SW02C (ȭ: backward)
SW04C (X : cancel)
DIP-SW01
7-Segment
SW01D (reset)
SW03C (ȯ: forward)