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V. Installation
7. Piping and refnet joint selection
V
34
Refnet joint model
Length (mm)
A
420
420
460
460
B
80
80
90
90
C
9.7
12.8
22.4
31.9
D
-
-
19.2
28.7
E
-
-
16.0
25.6
F
9.7
12.8
19.2
25.6
G
6.5
9.7
16.0
19.2
H
-
6.5
12.8
16.0
I
9.7
12.8
16.0
19.2
J
6.5
9.7
12.8
16.0
K
-
6.5
-
12.8
Diameter (mm)
MXJ-0906A
MXJ-1206A
MXJ-2212A
MXJ-3212A
(2) Other refnet joint selection method
The refnet joint except the first one shall be selected according to the capacity of indoor unit installed.
Total capacity of
indoor unit (W)
less than 16000
more than 16000
Refnet joint model
Liquid side
MXJ-0906A
MXJ-1206A
Gas side
MXJ-2212A
MXJ-3112A
7-3. Refnet joint selection
(1) Selection method of first refnet joint from the outdoor unit
The first refnet joint (joint A) from the outdoor unit shall be selected according to the outdoor unit model.
DVM E-D/B(chapter5)-E<03759 3/21/02 7:40 PM Page 34