Mitsubishi Electric PURY-(E)P-YLM-A (-BS) Installation Manual page 35

Air-conditioners for building application
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・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)
Ⓐ Ⓑ
(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.)
WT07282X01
(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-33
[mm (in)]

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