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rust) in the condenser of the heat pump. A ATTENTION!_ Any work on the heat pump may only be performed by authorised and qualified after-sales service technicians. A ATTENTION!_ Disconnect all electrical circuits from the power source prior to opening the device. 1.2 Legal Regulations and Directives This heat pump conforms to all relevant DIN/VDE regulations and EU directives. Refer to the EC Declaration of Conformity in the appendix for details. The heat pump must be connected to the pow