{"product_id":"vaillant-vr-71-wiring-centre-for-vrc-700-0020184847-ebus","title":"Vaillant VR 71 Wiring Centre for VRC 700 | 0020184847 | eBUS","description":"\u003c!-- SEO Product Name: Vaillant VR 71 Wiring Centre for VRC 700 | 0020184847 | eBUS --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; line-height:1.6; color:#1f2d2c;\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eVaillant VR 71 wiring centre (0020184847)\u003c\/strong\u003e is an \u003cstrong\u003eeBUS system component\u003c\/strong\u003e that extends the capability of a \u003cstrong\u003eVaillant VRC 700 controller\u003c\/strong\u003e. It provides \u003cstrong\u003esensor inputs, relay outputs and mains connections\u003c\/strong\u003e for pumps, mixers and other system components, so a single controller can regulate more complex heating and hot water layouts.\u003c\/p\u003e\n\u003cp\u003eThe VR 71 has no controls of its own. Its inputs and outputs are \u003cstrong\u003eassigned and configured through the VRC 700\u003c\/strong\u003e, which lets you build different system layouts from the same hardware. It is supplied with \u003cstrong\u003efour VR 10 sensors and one VR 11\u003c\/strong\u003e, plus wall-mounting fixings, and is installed on the wall in a dry room.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:10px; margin:18px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:700;\"\u003eeBUS\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px;\"\u003eController communication\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:700;\"\u003e230 V\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px;\"\u003eMax. operating voltage\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:700;\"\u003e≤ 6.3 A\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px;\"\u003eTotal current\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:700;\"\u003eIP20\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px;\"\u003eProtection rating\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:700;\"\u003e4 × VR 10\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px;\"\u003eSensors supplied\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:700;\"\u003e0–60 °C\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px;\"\u003eAmbient temperature\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#fff6e0; border-left:5px solid #b26a00; border-radius:6px; padding:12px 16px; margin:14px 0;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#b26a00; margin-bottom:4px;\"\u003eRequires a VRC 700 controller\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.5;\"\u003eThe VR 71 is a system component, not a standalone controller. Per the manufacturer's installation instructions it is intended for operation with the \u003cstrong\u003eVaillant VRC 700\u003c\/strong\u003e, which controls and regulates its functions over eBUS.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#fdeaea; border-left:5px solid #b3261e; border-radius:6px; padding:12px 16px; margin:14px 0;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#b3261e; margin-bottom:4px;\"\u003eInstallation \u0026amp; safety\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.5;\"\u003eInstallation must be carried out by a competent person. \u003cstrong\u003eIsolate the supply\u003c\/strong\u003e using a partition with at least 3 mm contact opening and check the unit is de-energised before opening it. Connect with a \u003cstrong\u003efixed connection\u003c\/strong\u003e in line with \u003cstrong\u003eBS 7671\u003c\/strong\u003e, install in \u003cstrong\u003edry rooms only\u003c\/strong\u003e, and use the supplied strain relief.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#e6f4f2; border-left:5px solid #008377CF; border-radius:6px; padding:12px 16px; margin:14px 0;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:4px;\"\u003eSensors included\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.5;\"\u003eFour \u003cstrong\u003eVR 10 sensors\u003c\/strong\u003e and one \u003cstrong\u003eVR 11\u003c\/strong\u003e are supplied in the box, so the common sensing points are covered without a separate order.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:12px; margin:18px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-top:4px solid #008377CF; border-radius:8px; padding:14px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eExtends the VRC 700\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; line-height:1.5;\"\u003eAdds \u003cstrong\u003einputs and outputs\u003c\/strong\u003e to the VRC 700 so it can manage more circuits, pumps and valves in the system.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-top:4px solid #008377CF; border-radius:8px; padding:14px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eeBUS communication\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; line-height:1.5;\"\u003eConnects to the controller over \u003cstrong\u003eeBUS\u003c\/strong\u003e using a low-voltage line of at least 0.75 mm².\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-top:4px solid #008377CF; border-radius:8px; padding:14px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eFlexible I\/O assignment\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; line-height:1.5;\"\u003e\n\u003cstrong\u003eInputs and outputs are configured via the controller\u003c\/strong\u003e, so one unit suits many system diagrams.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-top:4px solid #008377CF; border-radius:8px; padding:14px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eStandard cabling\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; line-height:1.5;\"\u003eWired with \u003cstrong\u003estandard commercial lines\u003c\/strong\u003e; sensor lines up to 50 m and bus lines up to 125 m.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-top:4px solid #008377CF; border-radius:8px; padding:14px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eSensors in the box\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; line-height:1.5;\"\u003eSupplied with \u003cstrong\u003e4 × VR 10\u003c\/strong\u003e and \u003cstrong\u003e1 × VR 11\u003c\/strong\u003e plus bolts and rawl plugs for wall mounting.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-top:4px solid #008377CF; border-radius:8px; padding:14px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:6px;\"\u003eSafe, tidy terminals\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; line-height:1.5;\"\u003e\n\u003cstrong\u003eStrain relief\u003c\/strong\u003e and a clearly arranged upper and lower terminal block support a neat, safe installation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #008377CF; border-radius:8px; overflow:hidden; margin:18px 0;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:10px 14px;\"\u003eSpecification\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f9f8; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eManufacturer\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003eVaillant\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eManufacturer part number (MPN)\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e0020184847\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f9f8; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eProduct type\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003eWiring centre (eBUS system component)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eCompatible controller\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003eVaillant VRC 700\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f9f8; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eCommunication\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003eeBUS\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eMounting\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003eWall-mounted (fixings supplied)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:10px 14px;\"\u003eElectrical\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f9f8; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eMax. operating voltage\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e230 V\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eTotal current\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e≤ 6.3 A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f9f8; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eRated surge voltage\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e2,500 V\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eExtra-low voltage \/ SELV\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e24 V\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f9f8; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eProtection class\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003eI\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eProtection rating\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003eIP20\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:10px 14px;\"\u003eEnvironment \u0026amp; Dimensions\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f9f8; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eAmbient temperature\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e0 to 60 °C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eRelative humidity\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e29 to 95 %\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f9f8; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eHeight × width × depth\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e293 × 277 × 68 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:10px 14px;\"\u003eCabling\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f9f8; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eMains supply line (pump or mixer)\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e≥ 1.5 mm²\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eeBUS line (extra-low voltage)\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e≥ 0.75 mm²\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f9f8; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eSensor line (extra-low voltage)\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e≥ 0.75 mm²\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eMaximum sensor line length\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e≤ 50 m\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f9f8; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eMaximum bus line length\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e≤ 125 m\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:10px 14px;\"\u003eIn the box\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#f2f9f8; padding:9px 14px; border-bottom:1px solid #dfeeed;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700;\"\u003eSupplied\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 260px;\"\u003e1 × VR 71, 4 × VR 10, 1 × VR 11, installation accessories (bolts and rawl plugs), installation instructions\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:22px 0 8px 0; font-weight:700; color:#008377CF; font-size:18px;\"\u003eFrequently asked questions\u003c\/div\u003e\n\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin-bottom:8px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:11px 14px; cursor:pointer;\"\u003eWhich controller does the VR 71 work with?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px; line-height:1.55;\"\u003eIt is intended for use with the \u003cstrong\u003eVaillant VRC 700\u003c\/strong\u003e, which controls and regulates the VR 71 over eBUS.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin-bottom:8px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:11px 14px; cursor:pointer;\"\u003eDoes it include temperature sensors?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px; line-height:1.55;\"\u003eYes. The box contains \u003cstrong\u003efour VR 10 sensors and one VR 11\u003c\/strong\u003e.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin-bottom:8px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:11px 14px; cursor:pointer;\"\u003eWhat cable should I use?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px; line-height:1.55;\"\u003eUse standard commercial lines. Mains supply lines to pumps or mixers should be at least \u003cstrong\u003e1.5 mm²\u003c\/strong\u003e, and eBUS and sensor lines at least \u003cstrong\u003e0.75 mm²\u003c\/strong\u003e. Sensor lines can run up to 50 m and bus lines up to 125 m.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin-bottom:8px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:11px 14px; cursor:pointer;\"\u003eWhere can it be installed?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px; line-height:1.55;\"\u003e\n\u003cstrong\u003eDry rooms only.\u003c\/strong\u003e The unit is rated \u003cstrong\u003eIP20\u003c\/strong\u003e and suits ambient temperatures from 0 to 60 °C.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin-bottom:8px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:11px 14px; cursor:pointer;\"\u003eCan it be installed by a homeowner?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px; line-height:1.55;\"\u003eNo. Installation and electrical connection must be carried out by a \u003cstrong\u003ecompetent person\u003c\/strong\u003e in line with the manufacturer's instructions and BS 7671.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":67763484590470,"sku":"20184847","price":270.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/VaillantVR71WiringCentreforVRC7000020184847.jpg?v=1792682006","url":"https:\/\/qualityheating.co.uk\/products\/vaillant-vr-71-wiring-centre-for-vrc-700-0020184847-ebus","provider":"AIZO Quality Heating","version":"1.0","type":"link"}