6 Description and function
6.1 Description of the product
The Star-Z 15 circulating pump is specially designed for use in conjunction with
drinking/sanitary water service systems. Thanks to its design and the materials
used in its construction the pump is resistant to corrosion from elements in
drinking/sanitary water. Motor protection is not required as the motors are
impedance protected.
The Star-Z 15 BN5 model is a compact, ready-to-install pump with ½" union
NPT type threading.
The Star-Z 15 BS5 / BS7 model is a compact, ready-to-install pump with sweat
pipe connections.
There are no check or isolation valves integrated into the product.
7 Installation and electrical connection
Installation and electrical connections must be performed in accordance
with local regulations and only by specialist personnel!
WARNING! Risk of personal injury!
Existing regulations for the prevention of accidents must be followed.
WARNING! Risk of Electrical shock!
Exposure to electrical energy must be prevented.
All local electrical and plumbing codes must be complied with during the
installation of this product.
Installation and operating instructions Wilo Star-Z 15
English
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