Toshiba ESTIA HWS-1501CSHM3-E, Data Book

Page: 100 / 179

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7. HYDRO UNIT INSTALLATION MANUAL
Engineering Data Book
Water pipe
Design the water pipe length within the QH
characteristics of the pump (Refer to “Fig. 7-16” and “Fig.
7-17” on page 101).
The height of the pipe must be 7 m or less.
▼
Fig.7-10
Water circuit
• Install a strainer with 30 to 40 meshes (locally
procured) at the water inlet of the Hydro Unit.
• Install drain cocks (locally procured) for water charge
and discharge at the lower part of the Hydro Unit.
• Make the piping route a closed circuit. (An open
water circuit may cause a failure.)
▼
Fig. 7-11
▼
Fig. 7-12
H < 7 m
Hot water outlet
connection 1 1/4"
Water inlet connection
1 1/4"
Attention
To avoid water leak,
exchange the seal
tapes to new one.
Attention
Water (used at test
in factory before
shipping) may be
found in the caps.
Local arrangement
Isolating Ball Valve
Strainer (30 to 40
meshes)
Drain cock for
water charge
and discharge
Inlet