Mitsubishi Electric CITY MULTI CMH-WM250V-A Manuel D'installation page 6

[Fig. 5.2.3]
A
B
C
D
E
K
L
[Fig. 5.2.4]
A
B
C
D
E
F
G
H
[Fig. 5.2.5]
C
A
B
Thermal and cold insulation work on a pipe penetrating through a beam
[Fig. 5.2.6]
B
A
250 mm
[Fig. 5.2.7]
Connection size
Indoor unit
Water inlet
PEFY-W·VMA O.D. 22.0 mm O.D. 22.0 mm
* 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.
A
B
C
D
[Fig. 5.2.8]
A
B C D
6
G
F A Finishing mortar (25–30 mm)
H
C Two layers of waterproofing membrane (10–12 mm)
E Frame concrete
I
G Caulking (Waterproof material)
I Thermal insulation material (Glass wool or rock wool)
J
K Cold (hot) water pipe (supply pipe)
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)
D
C A
C
D E
Pipe size
Water outlet Water return
I.D. 20 mm
F
E E E E
A Hydro unit
B Strainer (supplied)
C Water pipe
D Pressure gauge (not supplied)
E Check valve (not supplied)
E F G
F Shutoff valve (not supplied)
G Pressure reducing valve (not supplied)
5.2
A
B
A Sleeve
B No thermal insulation
C Thermal insulation materials
D Pipe
D
A Pipe
B Heater
C Adhesive tape
D Insulating material
E Covering material
Water out
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)
B Cinder concrete (70–100 mm)
D Smoothing mortar (25–30 mm)
F Filled with thermal insulation materials
H Lagging (Molded paper, waterproof paper, galvanized cast iron
sheet, and paint of a specified color)
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.
L Cold (hot) water pipe (return pipe)
C A Cold (hot) water pipe (supply pipe)
B Bind here using band or tape.
D
C Galvanized steel sheet cover
D Soldering
E Caulking (waterproof material)
E
elastomeric sealant
F Mortal waterproofing membrane
F
G Concrete (150 mm)
G