Information about the Troll Comfort DuoFern 5665 Y. Beenen Updated December 08, 2023 15:39 Follow We are happy to answer all your questions on general and technical topics in our FAQ section. Forwarding to the FAQ area Related articles Operating instructions Troll Comfort DuoFern 5665 Activate login mode: Troll Comfort DuoFern 5665 Can the Troll Comfort DuoFern be used as a central control unit? Succession list time switches and controls -Troll, clip, Can end points be set via the Troll Comfort DuoFern Type 5665?