LG PATX20A0E Installation Manual page 8

EXPANSION KIT Installation
CAUTION
n You must install the Expansion Kit exactly as
shown in the above diagram. Otherwise, it will
cause failure. (Do not install with the header
directing downward.)
Installation location of EXPANSION KIT
Heat exchanger
pipe direction
Left side
Left side
Right side
Right side
Installation direction of EXPANSION KIT
<Horizontal installation>
Liquid pipe
AHU side
Gas pipe
- You have to install EXPANSION KIT according to the installation location and direction provided in
the upper table according to the heat exchanger pipe and checking door direction of AHU.
8 AHU EXPANSION KIT
Left side
AHU
Checking door
direction
Left side
Right side
Left side
Right side
Liquid pipe
Outdoor unit side
Gas pipe
Refrigerant flowing direction based on cooling
Gas pipe
Header
Liquid pipe
Right side
EXPANSION KIT
Installation Installation
location
Left side Horizontal installation
Left side Horizontal installation
Right side Horizontal installation
Right side Vertical installation
<Vertical installation>
Outdoor unit side
Liquid pipe
Liquid pipe
AHU side
Gas pipe
Liquid pipe
direction
Gas pipe
Gas pipe