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Connecting Pipes to the Outdoor Unit
Connecting Pipes to the Outdoor Unit
Connecting the pipes to the Outdoor unit
• Align the center of the pipings and sufficiently
tighten the flare nut with fingers.
• 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.
Outside diameter
mm
Ø6.35
Ø9.52
Ø12.7
Ø15.88
Ø19.05
Align the center of the piping and sufficiently
tighten the flare nut by hand.
• The installation piping is connectable in four
directions.(refer to figure 1)
• When connecting in a downward direction, knock out the
knockout 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.
• Insects or small animals entering the outdoor unit
may cause a short circuit in the electrical box.
<Figure 1>
Forward
18 Ceiling Concealed Duct Air Conditioner
Torque
kgf . m
inch
1/4
1.8~2.5
3/8
3.4~4.2
1/2
5.5~6.6
5/8
6.3~8.2
3/4
9.9~12.1
Backward
Downward
Sideways
Outdoor unit
<Figure 3>
Putty or insulating material
(produced locally)
<Figure 2>
Knock-out
Continuous
Torque wrench
Liquid side piping
(Smaller Dia.)
Gas side piping
(Bigger Dia.)
Connecting wire
Drain hose
Connection pipe
Base pan
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