34
WT09050X01
・
Make sure that the pipe connections all the way from the indoor unit are properly insulated.
9-7-2. Insulation for the section of the pipe that goes through a wall
(1) Inner wall (concealed) (2) Outer wall
(3) Outer wall (exposed)
Ⓐ Ⓑ
Ⓐ
Ⓑ
Ⓒ
Ⓓ
Ⓔ
Ⓑ
Ⓗ
(4) Floor (waterproof)
(5) Rooftop pipe shaft
(6) Protecting the penetrating parts in a fire limit zone
or through a parting wall
Ⓓ
Ⓕ
Ⓖ
Ⓑ
Ⓓ Ⓑ
Ⓒ
Ⓕ
1000
(39-3/8)
1000
(39-3/8)
Ⓐ
Ⓗ
Ⓘ
Ⓐ
Sleeve
Ⓑ
Insulation material
Ⓒ
Lagging
Ⓓ
Caulking material
Ⓔ
Band
Ⓕ
Waterproof layer
Ⓖ
Sleeve with a flange
Ⓗ
Caulk with a nonflammable material such as mortar.
Ⓘ
Nonflammable insulation material
・
When caulking the gaps with mortar, cover the section of the pipe that goes through the wall with a metal sheet to
prevent the insulation material from sagging. For this section, use nonflammable insulation and covering materials.
(Vinyl tape should not be used.)
[mm (in)]