–16–
Hydro Unit
Installation Manual
Water circuit
• Install a strainer with 30 to 40 meshes (procured locally) at the water inlet of the Hydro Unit.
• Install drain cocks (procured locally) 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
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.
▼ Fig. 7-12
Local arrangement
Isolating Ball Valve
Strainer (30 to 40
meshes)
Drain cock for
water charge
and discharge
Inlet
15-EN
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