Table
10
.2 Piping Size of Indoor Unit
(mm)
Indoor Unit(KBtu/ h)
Gas
Liquid
0
7
to 14
F
12.7
F
6.35
F
15.88
F
6.35
22 to 54
F
15.88
F
9.53
76
F
19.05
F
9.53
96
F
22.2
F
9.53
v
Piping Thickness and Material
Use the pipe as below.
(mm)
Diameter
R410A
Thickness
Material
F
6.35
0.8
O material
F
9.53
0.8
O material
F
12.7
0.8
O material
F
15.88
1.0
O material
F
19.05
1.0
1/2H material
F
22.2
1.0
1/2H material
F
25.4
1.0
1/2H material
F
28.6
1.0
1/2H material
F
31.75
1.1
1/2H material
F
38.1
1.35
1/2H material
F
41.3
1.45
1/2H material
F
44.45
1.55
1/2H material
17 to 18
Table
10
.1 Piping Size of Outdoor Unit
(mm)
Model
Gas
Liquid
f
19.05
f
15.88
f
9.5
f
.
f
19.05
f
9.5
f
5.4
f
.
f
1.7
f
8.6
f
.
f
1.7
f
8.6
f
.
f
15.88
f
8.6
f
5.4
f
15.88
f
1.75
f
5.4
f
19.05
f
1.75
f
8.6
f
19.05
f
8.1
f
1.75
f
19.05
96
114
136
154
170
190
212
232
250
272
290
308
324
340
364
382
398
420
438
454
76
101
