24
Installation
2
3
Flaring
Nut fastening
To cut the piping with a pipe cutter, rotate the
pipe cutter repeatedly.
Put the pipe into the connecting nut flaring,
and both the gas pipe and liquid pipe of the
IDU are connected by flaring.
90°
Pipe cutter
Rough
Slope
Burrs
R0.4–0.8
A
90°±4
45°±2
Outer diameter (mm)
A (mm)
Max.
Min.
Φ6.35
8.7
8.3
Φ9.52
12.4
12.0
Φ12.7
15.8
15.4
Φ15.9
19.4
28.6
Φ19.1
23.3
22.9
1
2
3
Align the connecting piping, firstly tighten most of the thread of the connecting nut by hand, and then use a
wrench to tighten the last 1-2 turns of the thread as shown in the figure.
The welding is done on site, and the bell mouth cannot be used indoors.(For IEC/EN 60335-2-40 except IEC
60335-2-40: 2018)
The protective nut is a one-time part, it can not be reused. In case it is removed, it should be replaced with a
new one.(For IEC 60335-2-40: 2018 only)
"A"
Bar
Bar
Handle
Yoke
Cone
Copper pipe
Flare nut
Pipings
Protective nut
Clamp handle
Red arrow mark
Indoor unit tubing
Содержание KSEF-22 DN5.0
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