{"product_id":"viessmann-modulo-regulacion-solar-sm1-z014470","title":"Viessmann SM1 solar control module (KM-BUS) for Vitotronic","description":"\u003ch2\u003eSM1 module to integrate solar thermal into the Viessmann boiler control\u003c\/h2\u003e\n\u003cp\u003eThe Viessmann \u003cstrong\u003eSM1 solar control module\u003c\/strong\u003e controls the solar thermal collector system and is operated from the boiler's own \u003cstrong\u003eVitotronic\u003c\/strong\u003e control unit, connected over the \u003cstrong\u003eKM-BUS\u003c\/strong\u003e. This way the boiler only adds heat when the sun is not enough.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eDifferential solar controller, KM-BUS subscriber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and reference\u003c\/th\u003e\n\u003ctd\u003eViessmann SM1, ref. Z014470\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUse\u003c\/th\u003e\n\u003ctd\u003eControl of the solar pump and of solar heating of the cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003e\n\u003ca href=\"\/en-en\/products\/caldera-de-gasoil-vitorondens-200t-br2a-viessmann\" title=\"Vitorondens 200-T BR2A\"\u003eVitorondens 200-T BR2A\u003c\/a\u003e and \u003ca href=\"\/en-en\/products\/viessmann-vitorondens-200-t-j2ra-oil-condensing-boiler\" title=\"Vitorondens 200-T J2RA\"\u003eJ2RA\u003c\/a\u003e; \u003ca href=\"\/en-en\/products\/viessmann-vitodens-200-w-b2ha-gas-condensing-boiler-49-99-kw\" title=\"Vitodens 200-W B2HA\"\u003eVitodens 200-W B2HA\u003c\/a\u003e with Vitotronic 100 or 200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eFitted and wired in a \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e or on-site by an Expert Technician\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003e230 V~, 50 Hz, 1.5 W consumption\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCommunication\u003c\/th\u003e\n\u003ctd\u003eKM-BUS with the Vitotronic control unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFunctions\u003c\/th\u003e\n\u003ctd\u003eSpeed-controlled solar pump (PWM), two consumers with one collector array, thermostat function, cylinder temperature limit, collector safety shutdown, suppression of reheating by the boiler, heat statement and diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutputs\u003c\/th\u003e\n\u003ctd\u003e1(1) A 230 V~ relays, maximum 2 A in total; relay for an additional pump or valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncludes\u003c\/th\u003e\n\u003ctd\u003eModule, NTC 20 kΩ collector sensor, NTC 10 kΩ cylinder sensor, solar pump and KM-BUS cables, connectors and fuses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eIP 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViessmann list price (excluding VAT)\u003c\/th\u003e\n\u003ctd\u003e€597\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSources: Viessmann price list of September 2026 (p. 130) and Viessmann installation instructions for the SM1.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe Viessmann price list marks it for the \u003cstrong\u003eVitorondens 200-T\u003c\/strong\u003e, the \u003cstrong\u003eVitodens 200-W B2HA\u003c\/strong\u003e with Vitotronic 100 and 200 and the Vitocal heat pumps on the same page.\u003c\/li\u003e\n\u003cli\u003eIt is not suitable for wall-hung PlusBus Vitodens (050-W, 100-W, 111-W, 200-W B2HH and B2KH).\u003c\/li\u003e\n\u003cli\u003eSensor cable extension: 2-core, up to 60 m, 1.5 mm² copper.\u003c\/li\u003e\n\u003cli\u003eCommissioning of the solar control by the Viessmann technical service is priced separately in the price list.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include the sensors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes: an \u003cstrong\u003eNTC 20 kΩ collector sensor\u003c\/strong\u003e and an NTC 10 kΩ cylinder sensor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need another solar controller?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It is displayed and adjusted from the boiler control unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.viessmann.es\/es\/productos\/calderas-de-gasoleo\/vitorondens-200-t.html\" target=\"_blank\" rel=\"noopener\" title=\"Vitorondens 200-T on viessmann.es\"\u003eOfficial Vitorondens 200-T page at Viessmann Spain\u003c\/a\u003e (in Spanish).\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/vibooks.viessmann-climatesolutions.com\/es\/es\" target=\"_blank\" rel=\"noopener\" title=\"Viessmann Vibooks\"\u003eViessmann Vibooks\u003c\/a\u003e, with installation instructions by reference (in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"Default Title","offer_id":59070473699672,"sku":"VI-Z014470","price":586.02,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-caja-mural-zk02941-sm1-z014470_c9263cfc-0e88-4dd3-bb8e-3fdb9489665c.webp?v=1794142920","url":"https:\/\/q-tech.es\/en-int\/products\/viessmann-sm1-solar-control-module-z014470","provider":"Q-Tech ® ","version":"1.0","type":"link"}