PAW SolarBloC midi Basic 2S Installation And Operation Instruction Manual page 6

Personal injury and material damage due to overpressure!
Closing both ball valves in the primary circuit will separate the safety group from the
heat exchanger. A rise in temperature in the storage tank may result in high
pressures, which may lead to personal injury and material damage!
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Material damage due to mineral oils!
Mineral oil products cause lasting damage to seals made of EPDM, whereby the sealant properties
are lost. We do not assume liability nor provide warranty for damage to property resulting from
sealants damaged in this way.
It is imperative to prevent the EPDM sealing elements from making contact with substances
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containing mineral oils.
Use a silicone- or polyalkylene-based lubricant free of mineral oil such as Unisilikon L250L
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and Syntheso Glep 1 from Klüber or a silicone spray.
6
Only close the ball valves for service and maintenance.
NOTICE
99775810x-mub-en - V01
CAUTION
2 Safety instructions
09/2023