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Last seen: Apr 10, 2026
@iantelescope I am trying to put a picture together of how your heat pump, 2x PWM water pumps, heat exchange, buffer tank and radiators are connected ...
@iantelescope I follow what you are saying however the issue is the Samsung controller is only capable of controlling one PWM pump not two. That means...
@iantelescope there is no embarrassing questions! Pulse Width Modulation (PWM) pumps are a special kind of water pump that has a control signal t...
@mike-h sadly due to installation and system design (bivalent system) constraints I have had to use an external thermostat which has the (#2091/#2092)...
@iantelescope I briefly switched my system on yesterday to give you some comparison figures. In this warm weather my system ran for 2 cycles of 5 mins...
@mike-h I cannot speak for other Samsung models but I have a Samsung Gen 6 controller connected to a 12Kw HT Quiet. Standing in my plant room observin...
@iantelescope with the set up you have and like mine, the thermostat will cycle up to 3 times an hour. I do not believe this is an issue and potential...
@iantelescope Unfortunately the electrical interface on the Samsung is only binary for external thermostats. These are terminals B22 (WL1) and B24 (WL...
@iantelescope To be honest you are fairly limited with a binary ("on" / "off") thermostat and I actually think this model is good for what it do...
@iantelescope The closest I know of of an external continous non switched thermostat is one that supports the OpenTherm protocol which the H...
@iantelescope Hmm it does not fill me with confidence when a Samsung Engineer does not know his own product.Before I answer your questions, I am going...
@jamespa I am not disagreeing with what you are saying and in an ideal world, what you have said would be the preferred solution. However the practi...
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