6
5.2
[Fig. 5.2.4]
A
B
C
D
E
F
G
H
I
J
K
L
A
Finishing mortar (25–30 mm)
B
Cinder concrete (70–100 mm)
C
Two layers of waterproofing membrane (10–12 mm)
D
Smoothing mortar (25–30 mm)
E
Frame concrete
F
Filled with thermal insulation materials
G
Caulking (Waterproof material)
H
Lagging (Molded paper, waterproof paper, galvanized cast iron
sheet, and paint of a specified color)
I
Thermal insulation material (Glass wool or rock wool)
J
Iron pipe sleeve with collar
Determine the inner diameter of a sleeve in consideration of the
outer diameter of an iron pipe, thickness of thermal insulation,
and thickness of a filler.
K
Cold (hot) water pipe (supply pipe)
L
Cold (hot) water pipe (return pipe)
[Fig. 5.2.3]
A
B
C
D
E
F
G
H
A
Cold (hot) water pipe (supply and
return pipe)
B
Thermal insulation material
C
Lagging (covering with galvanized
steel sheet)
D
Soldering
E
Galvanized steel sheet cover
F
Caulking (waterproof material)
elastomeric sealant
G
Mortal waterproofing membrane
(30–100 mm)
H
Concrete (150 mm)
A
B
C
D
E
F
G
A
Cold (hot) water pipe (supply pipe)
B
Bind here using band or tape.
C
Galvanized steel sheet cover
D
Soldering
E
Caulking (waterproof material)
elastomeric sealant
F
Mortal waterproofing membrane
G
Concrete (150 mm)
A
B
C
D
C
A
D
A
Sleeve
B
No thermal insulation
C
Thermal insulation materials
D
Pipe
[Fig. 5.2.5]
Thermal and cold insulation work on a pipe penetrating through a beam
250 mm
A
B
C
D
E
[Fig. 5.2.6]
A
Pipe
B
Heater
C
Adhesive tape
D
Insulating material
E
Covering material
A
C
E
E
E
E
D
B
F
[Fig. 5.2.7]
Indoor unit
Connection size
Pipe size
Water inlet
Water outlet
Water return
Water out
PEFY-W·VMA
O.D. 22.0 mm O.D. 22.0 mm
I.D. 20 mm
I.D. 20 mm
A
To outdoor unit
B
End connection
C
Hydro unit
D
To main piping
E
Indoor unit
F
Auto air vent valve (Highest point on the water pipe) (supplied)
* For other indoor units, refer to the indoor unit installation manual.
* The pipe diameter depends on the capacity of indoor units.
Refer to the indoor unit installation manual for details.
B
G
D
C
F
E
A
[Fig. 5.2.8]
A
Hydro unit
B
Strainer (supplied)
C
Water pipe
D
Pressure gauge (not supplied)
E
Check valve (not supplied)
F
Shutoff valve (not supplied)
G
Pressure reducing valve (not supplied)
WT09052X01_en.book 6 ページ ２０１９年１月１７日 木曜日 午前１０時４９分
