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20 31-5000573 Rev. 2
ENGLISH
Allowing Piping Length and Drop Between Indoor and Outdoor
Pipe length between outdoors
1. The piping connecting outdoor unit must be placed horizontally or in accordance with the installation of a certain angle
(level angle less than 15 degrees), connected with a concave not allowed.
2. All piping cannot connect the outdoor unit is higher than the height of the machine outlet (valve interface part).
The radius of the bend should conform to the drawing and chart data to avoid damage to piping.
INSTALLATION INSTRUCTIONS
Proper Installation
Proper Installation Proper Installation
Wrong Installation
The lubricating oil will migrate to the
lowest outdoor unit.
Proper Installation Wrong Installation
Reverse oil trap height should
conform to the schedule in
column listed in the table
Compressor oil will flow
into the lowest unit
Pipe diameter
D in (mm)
Bending radius
R in (mm)
Vertical heigh
H In(mm)
3/4(19.05)
R
D
H
R
D
H
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