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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)]