Wilo -Star-ZD Serie Instrucciones De Instalación Y Funcionamiento página 34

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3 Transport and interim storage
Immediately after receiving the product:
• Check product for transport damage.
• In the event of damage in transit, take the necessary steps with
the forwarding agent within the respective time limits.
CAUTION! Risk of property damage!
Incorrect transport and interim storage can cause damage to
the product.
• The pump is to be protected against moisture and mechanical
damage.
• The pump must not be exposed to temperatures outside the
range between -10 °C and +50 °C.
4 Intended use
These circulation pumps are suitable only for drinking water.
Circulation pumps in the Wilo-Star-Z series are used for pump-
ing fluids in the areas of drinking water/industrial water and
foodstuffs.
Intended use includes compliance with this manual.
Any other use is regarded as improper use.
5 Product information
5.1 Type key
Example: Wilo-Star-Z 25/6-3
Star-Z
25
/6
-3
28
Z = domestic hot water circulation pump, glandless pump
ZD = double circulation pump for domestic hot water,
glandless pump
Screwed connection 20 (Rp ½(¾))25 (Rp1), 30 (Rp1 ½)
6 = maximum delivery head in m at Q = 0 m³/h
Variable speed control 3 stages
WILO SE 08/2019