They do get quite warm but shouldn't get hot except when the pipe is hot. % No - the Danfoss is on the horizontal pipe (ignore vertica pipe behine. Discuss Danfoss 3 port valve wiring in the Central Heating Forum area at PlumbersForums.net, Reply to Danfoss 3 port valve wiring in the Central Heating Forum area at PlumbersForums.net, Welcome to PlumbersForums.net - The international free. No plumbing required. Find links below to our Fitters Notes for refrigeration, support portals for Cooling and Industrial wholesalers and installers, as well as service videos for our Drives, Heating, High Pressure Pumps and Sensing Solutions product portfolios. Two 2 port valves plumbed "in series" seems very odd. I have changed the head on a Honeywell valve twice and each time it works for about 10 minutes and then stops. 1427 0 obj stream Or best to replace the whole thing (which I can't do.) In a series of videos, our technical expert Asif Dad answers our most frequently asked questions. Danfoss Head 2-Port Valve Actuator Part No: HPA2, 087N657900. 16 inch round wall mirror; custom made wood furniture; tsa approved toiletry bag : target; Watched this video last night as yet another motorised valve failure which was leaving our heating running constantly rather than not turning on at all. Danfoss Industrial Plumbing Valves for sale | eBay For maximum versatility, our control valves and actuators come in different sizes, materials and connection options. Might be worth replacing the complete motor/valve. Sorry I can't be of any more help. Is it still likely a diverter problem? You are using an out of date browser. First venting. See later post with picture, it's not two valves in series, it's an S plan. That is, the two with the valves, and the one that feeds them. Danfoss Motorized Control Valves (MCV) for district heating and cooling, HVAC and central heating systems ensure stable and accurate control of water, glycol mixtures and steam. It can be obtained from RS Components (Part No. Just one point: you mentioned that those motors are brushless and therefore you dont understand why they burn out. We still have hot water which I find confusing. They provide an user-friendly, reliable, easy to install and commission product, which fit to every application and increases its flexibility. Danfoss 2 Port Valve Actuator ; . At the moment HW and CH are working as expected. The valve stays open by the continuous force of the motor so that would be the excessive current draw. Clogged up with limescale? Motorised control valves and actuators | Danfoss Im assuming that the third valve is for the hot water? If the motor is forced to draw too much current (in this case probably by excessive mechanical resistance in the valve mechanism) then the windings will overheat and are likely to eventually develop an open circuit failure. It isnt a difficult job it took me (a DIYer) half an hour and most of that was removing the previous crimping and stripping the wires on the new Synchron motor, having clipped off the redundant connectors that came with it.

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