ENG
Operating Manual | Attachment and Installation Cooling Units | Standard Controller (SC) – 400 / 460 V, 3~ | 086100125 50/66
6.2 General
The refrigeration circuit is a maintenance-free, hermetically sealed system.
The units are 100%-tested at the factory.
Manufacturer recommendation to the owner for maintenance work:
• Perform maintenance work regularly every 12 months according to the maintenance checklist, see section "Maintenance
schedule", Page 51.
– Shorter maintenance intervals are required for air/water heat exchangers that cool in ambient air containing oil
and dust. A shorter guide value of two to six months applies between the maintenance intervals.
• The functions of the Pfannenberg filters are optimally adapted to the cooling units. Therefore, the use of Pfannenberg
filters has positive effects on the scope of the maintenance work.
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