The VRC controller 420 S Vaillant West. art.300655
Offer type: salePublished: 23.09.2015
Description.
VRC 420S West art.300655 Price: 450,00 €/t (automatic heating controller for boilers with bus 7-8-9) new.
Regulation depending on the outside temperature and the temperature of the air in the room when mounted on the wall (can be disabled)
●Combined digital timer switch for temporary control of heating and hot water programming for the week
●Independent control of one straight and one mixing heating circuit of any type
●Regulation of the return temperature by using a ratio of burner control systems for heating palinological
●Controlling the circulation line DHW timer on the program, connect the pump to the mixing module circuit
●Forward and reverse data transmission between the boiler and controller. Display “Work”, “Failure”, “Outdoor temperature”, “Temperature contour”, “turn on the pumps”.
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