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3.3.1.2
Mechanical connection of the water cooling of the VAUw 7.5/3
Fig. 12: Cooling water connections VAUw 7.5/3
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IMPORTANT INFORMATION
Integrate the cooler at the frequency converter into your cooling circuit.
To ensure adequate cooling, the following conditions must be met:
Coolant flow volume: 8l/ min
Line pressure (coolant): 3-5 bar
Temperature (coolant): 10-40 °C
Damage to property possible
Risk of damage to the aluminium cooler!
Risk of damage from incorrect coolant (e.g. tap water)!
Only use coolants meeting the guidelines of WN472 by Gebrüder BECKER GmbH. We recommend
a mixture of 65% deionised water and 35% Glysantin G48 (anti-freeze agent).