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8. Servicing the product
The product cannot be serviced.
•
Contact Grundfos. If the product is faulty, it must
be replaced.
8.1 Cleaning the product
The product must only be cleaned with a clean dry
or a soapy damp cloth.
14
9. Technical data
Electrical supply
Transient overvoltage
Supply voltage
Frequency
Max. power consumption 11 W
Cables
Power supply cable
Recommended
communication cable
Cable entry
Category II
24-240 VAC/VDC, ± 10
%
DC, 50/60 Hz
2
IEC: 0.75 - 4 mm
UL: 18 - 12 AWG
Use a 3-core cable that
meets the requirements
of the National Electric
Code.
Use copper or copper-
clad aluminum
conductors only.
Use a power cable with
an outer diameter of ø6 -
10 mm only.
Screened, double
twisted-pair
Cross-section: 0.2 - 0.3
2
mm
AWG: 24 - 22
Maximum cable length:
1200 m (4000 ft)
Use a communication
cable with an outer
diameter of ø4 - 10 mm.
5 x M16 ø3.5 - 10 mm
clamping range
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