18
Ceiling Concealed Duct Air Conditioner
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.
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.
Gas side piping
(Bigger Dia.)
Liquid side piping
(Smaller Dia.)
Putty or insulating material
(produced locally)
Drain hose
Connecting wire
Connection pipe
<Figure 3>
Outdoor unit
Continuous
Torque wrench
Forward
Sideways
Backward
Downward
<Figure 1>
Knock-out
Base pan
<Figure 2>
mm
inch
kgf.m
Ø6.35
1/4
1.8~2.5
Ø9.52
3/8
3.4~4.2
Ø12.7
1/2
5.5~6.6
Ø15.88
5/8
6.3~8.2
Ø19.05
3/4
9.9~12.1
Outside diameter
Torque
Summary of Contents for B42AWYN762
Page 35: ...P No MFL62541002 ...
