Toshiba HWS-803XWHM3-E Installation Manual page 15

Hydro Unit
• The water to be used must meet the water quality
standard specified in EN directive 98/83 EC.
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 17).
The height of the pipe must be 7 m or less.
▼ Fig.7-10
H < 7 m
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
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.
▼ Fig. 7-12
Strainer (30 to 40
meshes)
Drain cock for
water charge
and discharge
Local arrangement
– 15 –
Installation Manual
Hot water outlet
connection 1 1/4"
Water inlet connection
1 1/4"
Inlet
Isolating Ball Valve
EN
14-EN