11
（
2
）
I
nstallation requirements for unit connecting exhaust duct:
Fig.13
3.2.5 Take snow into consideration when installing the outdoor unit
Fig.14
3.3 Piping Work Requirements
Refer to the table below for piping work requirements.
R410A Refrigerant System
Outer Diameter (mm/in.)
Wall Thickness mm(in.)
Type
Φ6.35
(1/4)
≥
0.8(1/32)
O
Φ9.52
(3/8)
≥
0.8(1/32)
O
Φ12.70
(1/2)
≥
0.8(1/32)
O
Φ15.9
(5/8)
≥
1.0(3/76)
O
Φ19.05
(3/4)
≥
1.0(3/76)
1/2H
Φ22.2
(7/8)
≥
1.2(1/21)
1/2H
Φ25.40
(1/1)
≥
1.2(1/21)
1/2H
Φ28.60
(9/8)
≥
1.2(1/21)
1/2H
Φ34.90
(11/8)
≥
1.3(2/39)
1/2H
Φ38.10
(12/8)
≥
1.5(1/17)
1/2H
Φ41.30
(13/8)
≥
1.5(1/17)
1/2H
Φ44.5
(7/4)
≥
1.5(1/17)
1/2H
Φ54.1
(17/8)
≥
1.5(1/17)
1/2H
Lennox
VRF Unit
Содержание VEP Series
Страница 42: ...39 Fig 47 Fig 48 Fig 49 Lennox VRF Unit...
