swisscheese Posted April 30, 2018 Share Posted April 30, 2018 Hi, I'm installing the Samsung ASHP and pre-plumbed cylinder, and I seem to have a problem with the Zone 1 circulation pump not firing up. The Circulation Pump is not faulty, as when I switch over the connection from the other circulation pump it fires up. The Port valves click on when demand requires, but the pump will not fire. The wiring seems fine, I will have to check the connections and double check the integrity of the circuits. I'm wondering if it is problem with the set up or field settings, has anybody done this or had similar issues. Cheers Link to comment Share on other sites More sharing options...
swisscheese Posted May 1, 2018 Author Share Posted May 1, 2018 resolved! - wiring/port valve config issue. Now running like a dream. Link to comment Share on other sites More sharing options...
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