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3.4.6
Cooling water connection
Item
Designation
1
Water inlet
3
Condensate drain
5
Flow direction information signs
The condensate drain (3) and the cooling water connections (1 and 2) are outside the air/water heat exchanger.
Cooling water connection
Requirements
▪ Air/water heat exchanger is mounted and without voltage.
Required tools and materials
▪ Assembly tool,
▪ Threaded hose fitting (accessory kit ᴓ12 mm), hose clamps, thread sealing material
Procedure
▪
Threaded hose fittings (4) on the openings for water outlet (2) and water inlet (1) must be mounted in a
properly sealed manner.
▪
Ensure that the correct flow direction has been observed, see information signs (5).
▪
Cooling water hoses must be braced.
Alternative connections, e.g. finished brass plug-in systems, are also possible.
▪
Attach pressure-resistant, elastic hoses (>10bar) and secure with hose clamps.
▪
Finally check all connections for leaks.
Cooling water connection is mounted.
Regularly check the water circuit and protect it from contamination and overpressure, see
requirements.
Operating Manual PWT 6402 230V / 400V 086100107b © Pfannenberg GmbH
Figure 11 – PWT cooling water connections
Item
Designation
2
Water outlet
4
Threaded hose fittings (accessory kit)
Water quality
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