LG ARNU96GPFA4, Руководство по установке

Страница: 12 / 21

12
CONNECTING PIPES
ENGLISH
Check
1
Compare the flared work with the figure by.
2
If a flared section is defective, cut it off
and do flaring work again.
Welding
- Pipe connections can be done on the front
side or on the side according to the
installation environments.
- Be sure to let 1.0 kgf/cm
2
Nitrogen flow in
the pipe when we lding.
- If Nitrogen was not flown during welding,
many oxidized membranes may form inside
the pipe and disturb the normal operations of
valves and condensers.
Refrigerant Pipe
Regulator
Nitrogen
Nitrogen
Direction
Taping
Valve
Rear Side Pipe
Knock Out
Side Pipe
Knock Out
Knock-out hole
<PT3>
<PF2>
Inclined
Inside is shiny without scratches
Smooth all round
Even length
all round
Surface
damaged
Cracked Uneven
thickness
= Improper flaring =