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Refrigerant Piping Connections
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REFRIGERANT PIPING CONNECTIONS
Installation Overview
Figure 34: Installation and Piping Connection Overview.
Installation
Single Zone Wall-Mounted systems are one-to-one
systems. There is a direct piping connection between
the outdoor unit and the indoor unit. The figure at right
illustrates the basic pipe connections between the
outdoor and indoor unit. Refer to the illustration when
proceeding with pipe connections.
The illustration shows the indoor unit being installed at
a higher position than the outdoor unit. However, if the
outdoor unit be installed at a higher position than the
indoor unit, the basic pipe connections are the same.
Refer to the “Connection Limitations” section for spe-
cific length limitations in conjunction with outdoor unit
and indoor unit positioning.
• When proceeding with piping connections, adhere to
pipe support spacing lengths as shown in the General
Refrigerant Piping System Information section. Refer
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clamps and pipe support materials.
• Always adhere to local codes regarding piping and ac-
curate support spacing along the piping system.
• Always include insulation on all refrigerant and drain
piping to ensure condensate does not form and cause
damage to walls, floors, etc.
Connecting Cable
Vinyl tape (Wide)
Saddle
Gas Piping
Liquid Piping
Additional Drain Pipe
Vinyl Tape (Narrow)
Drain Hose
Installation Plate
Sleeve
Bushing-Sleeve
Sealant
• Install after drainage test.
• For the drainage test,
remove the air ¿lters and
pour water into the heat
exchanger.
Bend the pipe as closely
to the wall as possible,
but be careful not to break it.
Additional field-provided accessories /
parts / tools that are needed for
installation.
Air Intake Vents
Air Outlet Vents
Base Plate
Front Grille
On/Off Button
Signal Receiver
Display
Air DeÀector
(Vertical Louver & Horizontal Vane)
Air Outlet
Air Filter
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