Wilo -Star-Z NOVA Installation And Operating Instructions Manual page 9

Installation and operating instructions Wilo-Star-Z NOVA
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4.1 Application
This circulator is suitable for drinking water only.
4.2 Functions
Valves The Star-Z NOVA A and Star-Z NOVA C versions
are equipped with a non-return valve (1) on the
pressure side and with a stop valve (2) on the suc-
tion side.
When exchanging the motor head (3), it is suffi-
cient to cut the power by unplugging the con-
nector (5) and to close the stop valve at the
rotating slot (4). The motor head can then be sim-
ply unscrewed
Principle of operation
Principle of operation
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