GB
3.4.4
Cooling water connection
4
3
4
3
Figure 11 – Cooling water connections
Water outlet/ water inlet
Pos
Designation
1
Water inlet
3
Dimensions in mm
5
Threaded hose nozzles (accessory pack)
The condensate drain (4) and the cooling water connections (1/(2) are always outside on the switch cabinet.
Cooling water connection
Requirements
-
Air/ water heat exchanger is assembled and de-energized.
Required tools and material
-
Installation tool,
threaded hose nozzle (accessory pack ᴓ12 mm), hose clamps
-
Procedure
Mount threaded hose nozzles (5) onto the openings for the water outlet (2) and water inlet (1).
Ensure that the correct flow direction has been observed, see information plates (6).
Alternative connections, for example, complete plug systems of brass are possible.
Attach pressure-resistant, elastic hoses (>10bar) and secure with hose clamps.
Subsequently check all connections for a proper seal.
Cooling water seal has been installed.
Check water circulation regularly and protect against impurities and excess pressure, see
requirement.
Operating manual PWS and PWI 6302 086100049a © Pfannenberg GmbH
1
2
PWI
3
1
2
PWS
3
3
3
Figure 12 – Cooling water connections with
Pos
Designation
2
Water outlet
4
Condensate drain
6
Information plate showing flow direction
PWI
4
PWS
6
4
threaded hose nozzles
Water quality
6
5
5
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