Mitsubishi Electric City Multi CMH-WM250V-A Installation Manual page 5

5
[Fig. 5.1.1]
B
To A
C
D
E
G
F
Hydro unit sample installation
[Fig. 5.1.2]
L
d G
[Fig. 5.1.3]
[Fig. 5.2.1]
B
A
C
G
F
E
C
(*1)
W
A #7K tar felt
D
B Steel wire
C Blown asphalt
D Base paper
E Pipe
F Glass wool
(Note: Absorbent material)
H
G Asphalt felt
H Cotton tape (After wrapping it
around a pipe, brush polyester
synthetic resin over the tape.)
5.1
H
I
J
A Expansion vessel (not supplied)
C Check valve (not supplied)
E Pressure reducing valve (not supplied) F Strainer (not supplied)
G Water inlet
I Strainer (supplied)
Note:
*1. Connect the pipes to the water pipes according to the local regulations.
Pipe size
40A 50A
d ø48.6 ø60.3 ± 0.61
G ø44.8 ø57.15
+0 +0
-0.7 -0.38
W 8 ± 0.5 7.95 ± 0.76
L 15 15.88 ± 0.76
+0.8
-0
5.2
[Fig. 5.2.2]
A
B
C
A Adhesive (Completely fill joints of foam polystyrene pipe insulation and a gap
between a pipe and foam polystyrene pipe insulation with adhesive.)
B Pipe
C Form polystyrene pipe insulation (Non-absorbent material)
D Exterior (When pipes are installed on a roof, cover the pipes with galvanized
steel sheets to protect the pipes from rainwater. This countermeasure is unnec-
essary when pipes are installed inside.)
E Adhesive tape (Ensure that it has sufficient heat resistance so that high hot water
temperature will not lower its adhesion.)
B Pressure gauge (not supplied)
D Shutoff valve (not supplied)
H Auto air vent valve (supplied)
J Water pipes
D
E
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