Mitsubishi Electric CITY MULTI PUHY-EP200YLM-BS Installation Manual page 30

9-7-2. Insulation for the section of the pipe that goes through a wall
(1) Inner wall (concealed)
Ⓐ Ⓑ
(4) Floor (waterproof)
Ⓓ
Ⓕ
Ⓖ
Ⓑ
Ⓐ 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.)
WT07281X03
(2) Outer wall
Ⓓ
Ⓒ
Ⓐ
Ⓑ
(5) Rooftop pipe shaft
Ⓓ
Ⓑ
Ⓒ
Ⓕ
(3) Outer wall (exposed)
Ⓔ
Ⓑ
Ⓗ
(6) Protecting the penetrating parts in a fire limit zone
or through a parting wall
Ⓗ
Ⓐ
1000 1000
(39-3/8) (39-3/8)
GB-28
Ⓘ
[mm (in)]