Installation
Installation Manual
27
ENGLISH
n
Possible direction for field piping
• The installation piping is connectable in four di-
rections.(refer to figure 1)
• When connecting in a downward direction,
knock out the knockout hole of the base pan.
(refer to figure2, figure3)
n
Preventing foreign objects from entering (Figure 4)
• Plug the pipe through-holes with putty or insula-
tion 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.
Forward
Sideways
Backward
Base pan
Downward
Knock-out
<Figure 1>
<Figure 2>
<Figure 4>
Gas side piping
(Bigger Dia.)
Liquid side piping
(Smaller Dia.)
Putty or insulating material
(produced locally)
Drain hose
Connecting wire
Connection pipe
Connecting the pipes to the outdoor unit
Pipe knock
out during the
ground piping.
<Figure 3>
CAUTION
• You should not dame pipe/base during the
work of pipe knock out.
• Operate piping work removing burr after pipe
knock out.
• 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 fol-
lows the arrow on the wrench.
h
When tighten the pipe, hold the haxagonal body.
mm inch N.m
Ø6.35 1/4 16±2
Ø9.52 3/8 38±4
Ø12.7 1/2 55±6
Ø15.88 5/8 75±7
Outside diameter
Torque
Outdoor unit
Continuous
Torque wrench
Summary of Contents for AHNW166T0
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