GB
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 086100107 © 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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