LG MULTI V IV PRO ARUN080LLH4 Installation Manual page 25

PIPE CONNECTIONS BETWEEN INDOOR AND
OUTDOOR UNIT
- Pipe connections can be done on the front side or on the side according to the installation envi-
ronments.
- Be sure to let 0.2 kgf/cm
- If Nitrogen was not flown during welding, many oxidized membranes may from inside the pipe
and disturb the normal operations of valves and condensers.
Left Side Pipe
Draw Out
Front Pipe Draw Out
Preparation Work
- Use Knock Outs of Base Pan of the outdoor unit for Left/Right or Bottom pipe drawing outs.
CAUTION
!
• Do not give damage to the pipe/base during the Knock Out work.
• Proceed to pipe work after removing burr after Knock Out work.
• Perform sleeve work to prevent damage to the wire when connecting wires using knock
Outs.
PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT
2
Nitrogen flow in the pipe when welding.
Right Side Pipe
Draw Out
Removal Area for Liquid/Gas pipe
bottom side connections.
Regulator
Refrigerant Pipe
Nitrogen Nitrogen Nitrogen
Direction Direction Direction
Taping
Valve
25
Nitrogen