LG UBN24R, Owner'S Manual

Page: 24 / 56

24
CONNECTING PIPES
ENGLISH
Connection of piping - Outdoor
- Align the center of the piping and sufficiently
tighten the flare nut by hand.
- Finally, tighten the flare nut with torque
wrench until the wrench clicks.
When tightening the flare nut with torque
wrench ensure the direction for tightening
follows the arrow on the wrench.
* When tighten the pipe, hold the haxagonal
body.
- When connecting in a downward direction,
knock out the knock-out hole of the base
pan. (refer to figure 2)
Preventing foreign objects from entering
(Figure3)
- Plug the pipe through-holes with putty or
insulation material(procured locally)to stop up
all gaps,as shown in the figure 3.
Continuous
Torque Torque
wrench
wrench
(250mm)
(250mm)
Torque
wrench
(250 mm)
Torque
wrench
(250mm)
Torque wrench
Outdoor unit
Gas side piping
(Bigger Dia.)
Liquid side piping
(Smaller Dia.)
Tubing Cover
Knock-out Base pan
<Figure 2>
Gas side piping
Liquid side piping
Drain hose
Connecting wire
Connection pipe
<Figure 3>
Resin, Clay, Putty or insulating material
(produced locally)
Insects or small animals entering the
outdoor unit may cause a short circuit in
the electrical box.
CAUTION
!
Outside diameter Torque
mm inch kg·m
Ø 6.35 1/4 1.8~2.5
Ø 9.52 3/8 3.4~4.2
Ø 12.7 1/2 5.5~6.6
Ø 15.88 5/8 6.6~8.2
(for R32)
• A brazed, welded, or mechanical
connection shall be made before opening
the valves to permit refrigerant to flow
between the refrigerating system parts.
• When flared joints are reused indoors,
the flare part shall be re-fabricated.
• When mechanical connectors are
reused indoors, sealing parts shall be
renewed.
CAUTION
!