{"product_id":"wilo-yonos-maxo-d-32-0-5-7-pn6-10-twin-head-circulator-2160585-4790","title":"Wilo Yonos MAXO-D 32\/0.5-7 PN6\/10 DN32 220mm Twin Head Circulator Pump 2160585 #4790","description":"\u003ch2\u003eWilo Yonos MAXO-D 32\/0.5-7 PN6\/10 Twin Head Circulator Pump – 2160585 – #4790\u003c\/h2\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eCondition: New\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003eManufacturer: Wilo\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003ePart Number: 2160585\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003eEAN: 4048482577913\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003eWarranty: 2 Years\u003c\/strong\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eWilo Yonos MAXO-D 32\/0.5-7 PN6\/10\u003c\/strong\u003e is a high-efficiency,\nelectronically controlled twin-head circulating pump designed for commercial\nheating, air-conditioning, chilled-water and compatible industrial circulation\nsystems.\n\u003c\/p\u003e\n\n\u003cp\u003e\nManufactured by Wilo under article number \u003cstrong\u003e2160585\u003c\/strong\u003e, this pump\nincorporates two wet-rotor pump heads within a common hydraulic housing,\nproviding a practical arrangement for duty\/standby circulation applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe pump features integrated electronic speed control, electronically\ncommutated motors and three selectable operating modes:\n\u003cstrong\u003econstant differential pressure (Δp-c), proportional differential\npressure (Δp-v), and constant speed (three stages).\u003c\/strong\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\nWith \u003cstrong\u003eDN32 PN6\/10 flanged connections\u003c\/strong\u003e, a\n\u003cstrong\u003e220 mm port-to-port installation length\u003c\/strong\u003e and a\n\u003cstrong\u003e230V single-phase electrical supply\u003c\/strong\u003e, the Yonos MAXO-D\n32\/0.5-7 provides a high-efficiency replacement option for various\nolder commercial twin-head circulators.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe maximum published hydraulic performance is\n\u003cstrong\u003e7.9 m³\/h (2.19 L\/s)\u003c\/strong\u003e flow and\n\u003cstrong\u003e7.6 metres (approximately 0.75 bar)\u003c\/strong\u003e head.\nThese figures represent different points on the pump's performance envelope\nand cannot be achieved simultaneously.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eHigh-efficiency twin-head commercial circulating pump.\u003c\/li\u003e\n\u003cli\u003eTwo independently controlled wet-rotor pump heads.\u003c\/li\u003e\n\u003cli\u003eSuitable for main\/standby circulation arrangements.\u003c\/li\u003e\n\u003cli\u003eECM motor technology with integrated electronic speed control.\u003c\/li\u003e\n\u003cli\u003eConstant differential pressure control (Δp-c).\u003c\/li\u003e\n\u003cli\u003eProportional differential pressure control (Δp-v).\u003c\/li\u003e\n\u003cli\u003eThree selectable constant-speed stages.\u003c\/li\u003e\n\u003cli\u003eAutomatic power adjustment according to the selected control mode.\u003c\/li\u003e\n\u003cli\u003eSoft-start function.\u003c\/li\u003e\n\u003cli\u003eAutomatic deblocking function.\u003c\/li\u003e\n\u003cli\u003eIntegrated motor protection.\u003c\/li\u003e\n\u003cli\u003eLED display for setpoint, speed-stage and fault-code indication.\u003c\/li\u003e\n\u003cli\u003eCollective fault signal (SSM).\u003c\/li\u003e\n\u003cli\u003eQuick electrical connection using the Wilo plug.\u003c\/li\u003e\n\u003cli\u003eOptional automatic duty\/standby changeover using Wilo-Connect modules.\u003c\/li\u003e\n\u003cli\u003eDN32 PN6\/10 combination flanges.\u003c\/li\u003e\n\u003cli\u003e220 mm installation length.\u003c\/li\u003e\n\u003cli\u003eEnergy Efficiency Index (EEI) ≤0.23.\u003c\/li\u003e\n\u003cli\u003eGrey cast iron pump housing with protective cataphoretic coating.\u003c\/li\u003e\n\u003cli\u003eSuitable for compatible heating and closed-loop cooling applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWilo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYonos MAXO-D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32\/0.5-7 PN6\/10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eArticle Number \/ MPN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2160585\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEAN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4048482577913\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStock Reference\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e#4790\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTwin-head glandless circulator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Technology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronically commutated motor (ECM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1~230V ±10%, 50\/60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Motor Output (P2)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e85 W \/ 0.085 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Electrical Input (P1)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Electrical Input (P1)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.08–1.0 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,000–3,700 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Inlet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDN32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Outlet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDN32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePN6\/10 combination flanges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e220 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Operating Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Head\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.6 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Flow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.9 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Flow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.19 L\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Head Setting Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5–7 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFluid Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20°C to +110°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20°C to +40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIPX4D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsulation Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnergy Efficiency Index\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEEI ≤0.23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGrey cast iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImpeller\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePPE\/PS-GF30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBearing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetal-impregnated carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 10.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer's Previous Article\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2120662\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eHydraulic Performance Envelope\u003c\/h3\u003e\n\n\u003cp\u003e\nThe following performance figures relate to the manufacturer's\npublished operating envelope for the Wilo Yonos MAXO-D 32\/0.5-7.\n\u003c\/p\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Flow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.9 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Flow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.19 L\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Head\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.6 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Differential Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 0.75 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Nominal Head Setting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEquivalent Differential Pressure at 0.5 m\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 0.05 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlow Curve Starting Point\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 m³\/h \/ 0 L\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e Maximum head and maximum flow are achieved\nat different points on the pump curve. The maximum flow of 7.9 m³\/h\ncannot be delivered against the maximum head of 7.6 metres.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe minimum nominal head setting of 0.5 metres is not the same as\nthe minimum inlet pressure required for safe operation.\nZero flow represents the starting point of the pump curve, rather\nthan a recommended continuous operating duty.\n\u003c\/p\u003e\n\n\u003cp\u003e\nFinal pump selection should be based on the required flow and\ndifferential head at the installation's actual duty point.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eMinimum Inlet Pressure Requirements\u003c\/h3\u003e\n\n\u003cp\u003e\nWilo specifies minimum inlet pressures to reduce the risk of\ncavitation and ensure correct operation at different liquid temperatures.\n\u003c\/p\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003cth\u003eLiquid Temperature\u003c\/th\u003e\n\u003cth\u003eMinimum Inlet Pressure\u003c\/th\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eUp to 50°C\u003c\/td\u003e\n\u003ctd\u003e0.3 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eUp to 95°C\u003c\/td\u003e\n\u003ctd\u003e1.0 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eUp to 110°C\u003c\/td\u003e\n\u003ctd\u003e1.6 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\nThese manufacturer-stated values apply to the DN32 pump under\nthe conditions described in the installation manual.\nHigher installation altitudes and different fluid characteristics\nmay require additional allowance.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eControl Modes and Operation\u003c\/h3\u003e\n\n\u003ch4\u003eConstant Differential Pressure – Δp-c\u003c\/h4\u003e\n\n\u003cp\u003e\nIn Δp-c mode, the pump automatically adjusts its speed to maintain\nthe selected differential pressure as system flow changes.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis is suitable for certain heating distribution circuits,\nunderfloor heating systems and installations requiring a\nrelatively constant differential pressure.\n\u003c\/p\u003e\n\n\u003ch4\u003eProportional Differential Pressure – Δp-v\u003c\/h4\u003e\n\n\u003cp\u003e\nIn Δp-v mode, the differential-pressure setpoint changes in response\nto the flow requirement.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis is particularly useful in suitable variable-flow heating\nsystems where thermostatic radiator valves or other control\nvalves progressively open and close.\n\u003c\/p\u003e\n\n\u003ch4\u003eConstant Speed – Three Stages\u003c\/h4\u003e\n\n\u003cp\u003e\nThe pump can also operate using three selectable constant-speed\nsettings, identified as c1, c2 and c3.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis mode can be useful for systems requiring a fixed-speed\noperating characteristic.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTwin-Head Duty\/Standby Operation\u003c\/h3\u003e\n\n\u003cp\u003e\nThe Yonos MAXO-D incorporates two pump heads within a single\nhydraulic housing. Each head has its own motor and electronic controls.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe pump is designed for main\/standby operation, with one head\nproviding circulation and the second available as a standby unit.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eAutomatic changeover is not included as a standalone\nfunction simply because the pump has two heads.\u003c\/strong\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\nAutomatic changeover can be provided using compatible external\nswitchgear or Wilo-Connect modules.\n\u003c\/p\u003e\n\n\u003ch4\u003eOptional Wilo-Connect Module – 2210108\u003c\/h4\u003e\n\n\u003cp\u003e\nThe optional Wilo-Connect module Yonos MAXO, article number\n\u003cstrong\u003e2210108\u003c\/strong\u003e, provides additional control and monitoring functions.\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eAutomatic main\/standby changeover.\u003c\/li\u003e\n\u003cli\u003eRunning-time-dependent changeover approximately every 24 hours.\u003c\/li\u003e\n\u003cli\u003eAutomatic changeover following a fault on the duty pump.\u003c\/li\u003e\n\u003cli\u003eCollective fault signal (SSM).\u003c\/li\u003e\n\u003cli\u003eCollective run signal (SBM).\u003c\/li\u003e\n\u003cli\u003eExternal OFF control input.\u003c\/li\u003e\n\u003cli\u003eAdditional integration options for suitable building control systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nFor integrated automatic twin-head management, Wilo specifies\none compatible Connect module for each pump head.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Connect modules are optional accessories.\nCustomers requiring automatic alternation or automatic standby\nchangeover should confirm the required control equipment\nbefore installation.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003eCommercial central heating circulation.\u003c\/li\u003e\n\u003cli\u003eCommercial boiler circulation circuits.\u003c\/li\u003e\n\u003cli\u003eHeating distribution systems.\u003c\/li\u003e\n\u003cli\u003eOffice and commercial building heating.\u003c\/li\u003e\n\u003cli\u003eSchools, hotels and commercial premises.\u003c\/li\u003e\n\u003cli\u003eAir-conditioning circulation systems.\u003c\/li\u003e\n\u003cli\u003eClosed-loop chilled-water systems.\u003c\/li\u003e\n\u003cli\u003eCompatible industrial circulation circuits.\u003c\/li\u003e\n\u003cli\u003eHeating and cooling systems requiring standby pump capacity.\u003c\/li\u003e\n\u003cli\u003eReplacement of compatible older commercial twin-head circulators.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nThe pump is designed for suitable closed-loop systems.\nBecause the hydraulic housing is grey cast iron, this model\nmust not be used for drinking-water or potable domestic\nhot-water circulation.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eReplacement Compatibility and Cross-References\u003c\/h3\u003e\n\n\u003cp\u003e\nWilo's official replacement guidance identifies the Yonos\nMAXO-D 32\/0.5-7 PN6\/10 as a replacement option for several\nolder commercial circulators.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe following references are provided to help identify\npotential replacement applications.\n\u003c\/p\u003e\n\n\u003ch4\u003eWilo Manufacturer References\u003c\/h4\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cstrong\u003e2120662\u003c\/strong\u003e –\nWilo Yonos MAXO-D 32\/0.5-7 PN10.\nPrevious article number identified by Wilo.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003e2017634\u003c\/strong\u003e –\nWilo TOP-ED 32\/1-7 PN6.\nListed in Wilo's official replacement guide.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003e2001360\u003c\/strong\u003e –\nWilo TOP-SD 32\/7, 230V, PN6.\nListed as a replacement application.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003e2001362\u003c\/strong\u003e –\nWilo TOP-SD 32\/7, 400V, PN6.\nElectrical supply conversion or modification may be necessary.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003e2001363\u003c\/strong\u003e –\nWilo TOP-SD 32\/7, 400V, PN10.\nElectrical requirements must be checked.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003e2039676\u003c\/strong\u003e –\nWilo TOP-SD 32\/7, 400V, PN6\/10.\nElectrical requirements must be checked.\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003ch4\u003eGrundfos Replacement References\u003c\/h4\u003e\n\n\u003cp\u003e\nWilo also identifies this model as a replacement option\nfor selected Grundfos UPSD twin-head circulators.\n\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cstrong\u003e96408897\u003c\/strong\u003e –\nGrundfos UPSD 32-30 F.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003e96408900\u003c\/strong\u003e –\nGrundfos UPSD 32-60 F.\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003e95906459\u003c\/strong\u003e –\nGrundfos UPSD 32-80 F.\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003ch4\u003eOther Manufacturer References\u003c\/h4\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e7000000716\u003c\/strong\u003e –\nBiral ModulA-D 32F-6 220 RED.\nIdentified by Wilo as a replacement application.\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eCompatibility disclaimer:\u003c\/strong\u003e These references are\nmanufacturer replacement recommendations, not a guarantee\nthat every installation can be converted without modification.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe installer must verify flange compatibility, installation\nlength, operating voltage, hydraulic duty point, available\nclearance and existing control arrangements.\n\u003c\/p\u003e\n\n\u003cp\u003e\nParticular care is required when replacing an older\nthree-phase pump with this 230V single-phase model.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003e1. What is the Wilo Yonos MAXO-D 32\/0.5-7?\u003c\/h4\u003e\n\n\u003cp\u003e\nIt is a high-efficiency, electronically controlled twin-head\ncirculator designed for commercial heating, cooling and\ncompatible industrial circulation applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe model features two independently controlled pump heads\nwithin one hydraulic housing.\n\u003c\/p\u003e\n\n\u003ch4\u003e2. What is the manufacturer's part number?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe manufacturer's article number is \u003cstrong\u003e2160585\u003c\/strong\u003e.\nThe EAN barcode is \u003cstrong\u003e4048482577913\u003c\/strong\u003e.\n\u003c\/p\u003e\n\n\u003ch4\u003e3. What does MAXO-D mean?\u003c\/h4\u003e\n\n\u003cp\u003e\nYonos MAXO identifies Wilo's electronically controlled,\nhigh-efficiency commercial circulator range.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe suffix \u003cstrong\u003eD\u003c\/strong\u003e identifies the twin-head\nor double-pump version.\n\u003c\/p\u003e\n\n\u003ch4\u003e4. What does 32\/0.5-7 mean?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe number \u003cstrong\u003e32\u003c\/strong\u003e indicates the nominal DN32\nflange connection size.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe designation \u003cstrong\u003e0.5-7\u003c\/strong\u003e identifies the\nnominal delivery-head range in metres.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWilo's current technical data for article 2160585 gives\na maximum published head of 7.6 metres.\n\u003c\/p\u003e\n\n\u003ch4\u003e5. What does PN6\/10 mean?\u003c\/h4\u003e\n\n\u003cp\u003e\nPN6\/10 identifies the pump's combination flange configuration,\ndesigned for use with suitable DN32 mating flanges.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe maximum permissible system operating pressure for\narticle 2160585 is \u003cstrong\u003e10 bar\u003c\/strong\u003e.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe flange pressure designation must not be confused\nwith the pressure generated by the pump.\n\u003c\/p\u003e\n\n\u003ch4\u003e6. What is the maximum flow rate?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe maximum published flow is \u003cstrong\u003e7.9 m³\/h\u003c\/strong\u003e,\nequivalent to approximately \u003cstrong\u003e2.19 litres per second\u003c\/strong\u003e.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis is the upper flow limit of the published pump envelope.\nActual flow depends on the system resistance and selected\noperating mode.\n\u003c\/p\u003e\n\n\u003ch4\u003e7. What is the maximum head?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe maximum published head is \u003cstrong\u003e7.6 metres\u003c\/strong\u003e,\nequivalent to approximately \u003cstrong\u003e0.75 bar differential pressure\u003c\/strong\u003e\nwhen pumping water.\n\u003c\/p\u003e\n\n\u003cp\u003e\nMaximum head occurs at a different point on the pump curve\nfrom maximum flow.\n\u003c\/p\u003e\n\n\u003ch4\u003e8. Can the pump produce 10 bar pressure?\u003c\/h4\u003e\n\n\u003cp\u003e\nNo. The 10 bar figure refers to the maximum permissible\nsystem operating pressure.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe pump itself produces a maximum published differential\nhead of approximately 7.6 metres, equivalent to around\n0.75 bar when pumping water.\n\u003c\/p\u003e\n\n\u003ch4\u003e9. What is the minimum operating pressure?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe minimum required inlet pressure depends on liquid temperature.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWilo specifies approximately 0.3 bar up to 50°C,\n1.0 bar up to 95°C and 1.6 bar up to 110°C\nfor this DN32 model under the stated reference conditions.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThese are inlet-pressure requirements, not the\ndifferential pressure generated by the pump.\n\u003c\/p\u003e\n\n\u003ch4\u003e10. What is the port-to-port length?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe installation length is \u003cstrong\u003e220 mm\u003c\/strong\u003e,\nmeasured between the two flange connection faces.\n\u003c\/p\u003e\n\n\u003ch4\u003e11. What are the inlet and outlet sizes?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe inlet and outlet are both \u003cstrong\u003eDN32\u003c\/strong\u003e,\nwith PN6\/10 combination flange connections.\n\u003c\/p\u003e\n\n\u003ch4\u003e12. Is this a twin-head pump?\u003c\/h4\u003e\n\n\u003cp\u003e\nYes. The Yonos MAXO-D is a twin-head circulator\nincorporating two motor and impeller assemblies\nwithin a common hydraulic housing.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe arrangement is designed for main\/standby\ncirculation applications.\n\u003c\/p\u003e\n\n\u003ch4\u003e13. Can the pump run using only one head?\u003c\/h4\u003e\n\n\u003cp\u003e\nYes. The two pump heads can be operated individually.\n\u003c\/p\u003e\n\n\u003cp\u003e\nIn a normal main\/standby arrangement, one pump provides\nthe required circulation while the second remains available.\n\u003c\/p\u003e\n\n\u003cp\u003e\nBoth pump heads should be configured appropriately\nfor the required installation.\n\u003c\/p\u003e\n\n\u003ch4\u003e14. Will it automatically switch to the second head if the first fails?\u003c\/h4\u003e\n\n\u003cp\u003e\nNot without suitable additional controls.\n\u003c\/p\u003e\n\n\u003cp\u003e\nAutomatic fault-triggered changeover requires\ncompatible external switchgear or Wilo-Connect\nmodules configured for twin-head operation.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe pump should not be assumed to provide automatic\nchangeover simply because it has two motor heads.\n\u003c\/p\u003e\n\n\u003ch4\u003e15. Can the pump automatically alternate between heads every 24 hours?\u003c\/h4\u003e\n\n\u003cp\u003e\nYes, when equipped with the appropriate Wilo-Connect\nmodules and correctly configured for twin-head operation.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWilo's integrated dual-pump management allows\nrunning-time-dependent changeover approximately\nevery 24 hours.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis helps distribute operating time between the two heads.\n\u003c\/p\u003e\n\n\u003ch4\u003e16. What happens if the duty pump fails?\u003c\/h4\u003e\n\n\u003cp\u003e\nWith correctly configured Wilo-Connect twin-head management,\na fault on the running pump can trigger automatic\nchangeover to the standby head.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWilo's Connect-module documentation describes a\nfault-triggered switchover after approximately three seconds.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis function depends on the optional equipment\nbeing installed, wired and commissioned correctly.\n\u003c\/p\u003e\n\n\u003ch4\u003e17. Are the Wilo-Connect modules included?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe Wilo-Connect module is an optional accessory,\nrather than an integral standard feature of the pump.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe relevant module article number is\n\u003cstrong\u003e2210108\u003c\/strong\u003e.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWilo specifies a module for each head where\nintegrated automatic twin-head management is required.\n\u003c\/p\u003e\n\n\u003cp\u003e\nPlease check the product photographs and stated\ncontents to establish which accessories are supplied.\n\u003c\/p\u003e\n\n\u003ch4\u003e18. Can both pump heads operate together to double the flow?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe Yonos MAXO-D is specified for main\/standby operation.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe maximum flow figure must not be doubled simply\nbecause the pump contains two heads.\n\u003c\/p\u003e\n\n\u003cp\u003e\nAny proposed alternative operating arrangement\nmust be assessed against Wilo's instructions\nand the hydraulic system design.\n\u003c\/p\u003e\n\n\u003ch4\u003e19. Is this pump variable speed?\u003c\/h4\u003e\n\n\u003cp\u003e\nYes. Both pump heads incorporate electronic\nmotor control.\n\u003c\/p\u003e\n\n\u003cp\u003e\nPump performance can be adjusted using\nconstant differential pressure, proportional\ndifferential pressure or three selectable\nconstant-speed stages.\n\u003c\/p\u003e\n\n\u003ch4\u003e20. What is the difference between Δp-v and Δp-c?\u003c\/h4\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eΔp-v:\u003c\/strong\u003e Proportional differential pressure.\nThe pump adjusts its pressure setpoint in response\nto changing system flow.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eΔp-c:\u003c\/strong\u003e Constant differential pressure.\nThe pump maintains the selected differential\npressure over the permitted operating range.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe preferred setting depends on the hydraulic\ncharacteristics of the installation.\n\u003c\/p\u003e\n\n\u003ch4\u003e21. Which control mode is best for radiator systems?\u003c\/h4\u003e\n\n\u003cp\u003e\nProportional differential pressure (Δp-v) is commonly\nappropriate for suitable variable-flow heating systems\nwith thermostatic radiator valves.\n\u003c\/p\u003e\n\n\u003cp\u003e\nHowever, Wilo's operating instructions also identify\nspecific applications where constant differential\npressure (Δp-c) is preferable.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe correct choice depends on the pipework,\nvalves and distribution system.\n\u003c\/p\u003e\n\n\u003ch4\u003e22. Which operating mode is suitable for underfloor heating?\u003c\/h4\u003e\n\n\u003cp\u003e\nConstant differential pressure (Δp-c) is commonly\nused for suitable underfloor heating systems,\nparticularly those incorporating zone valves\nand relatively low-resistance distribution circuits.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe final setting should follow the system design.\n\u003c\/p\u003e\n\n\u003ch4\u003e23. Can this replace a fixed-speed three-speed circulator?\u003c\/h4\u003e\n\n\u003cp\u003e\nPotentially, provided the required hydraulic\nperformance and installation dimensions are compatible.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe Yonos MAXO-D provides three constant-speed\nsettings in addition to its variable-speed\ndifferential-pressure control modes.\n\u003c\/p\u003e\n\n\u003cp\u003e\nReplacing an older fixed-speed model may therefore\nbe possible without operating permanently in\ndifferential-pressure control.\n\u003c\/p\u003e\n\n\u003ch4\u003e24. What is the electrical supply voltage?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe pump is rated for \u003cstrong\u003e230V single-phase,\n50\/60Hz\u003c\/strong\u003e operation.\n\u003c\/p\u003e\n\n\u003cp\u003e\nBoth motor heads require appropriate electrical\nconnections and protection.\n\u003c\/p\u003e\n\n\u003cp\u003e\nIf replacing a three-phase pump, the existing\nelectrical installation must be checked by\na qualified electrician.\n\u003c\/p\u003e\n\n\u003ch4\u003e25. What is the motor power rating?\u003c\/h4\u003e\n\n\u003cp\u003e\nWilo's current technical specifications state\na rated motor output power (P2) of\n\u003cstrong\u003e85 watts\u003c\/strong\u003e.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe electrical input power (P1) varies\nwith the operating conditions, with a\npublished maximum of \u003cstrong\u003e120 watts\u003c\/strong\u003e.\n\u003c\/p\u003e\n\n\u003cp\u003e\nMotor output power and electrical input\npower are different measurements.\n\u003c\/p\u003e\n\n\u003ch4\u003e26. What does the LED display show?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe LED display provides information about\nthe selected pump settings.\n\u003c\/p\u003e\n\n\u003cp\u003e\nIn differential-pressure modes it displays\nthe selected head setpoint in metres.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWhen operating in constant-speed mode,\nthe selected speed stage is indicated as\nc1, c2 or c3.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe display also provides fault and\nwarning codes to assist with diagnostics.\n\u003c\/p\u003e\n\n\u003ch4\u003e27. Does the display show the actual flow rate?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe standard Yonos MAXO-D display is intended\nprimarily for the selected setpoint,\nspeed stage and fault indications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nIt should not be treated as a direct\nflow-meter display.\n\u003c\/p\u003e\n\n\u003cp\u003e\nActual system flow must be established\nusing suitable measuring equipment\nor hydraulic calculations.\n\u003c\/p\u003e\n\n\u003ch4\u003e28. Can the pump connect to a building management system?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe pump includes a collective fault\nsignal (SSM), which can be connected\nto suitable monitoring equipment.\n\u003c\/p\u003e\n\n\u003cp\u003e\nAdditional control and signalling\nfunctions are available using\ncompatible Wilo-Connect modules.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe standard model should not be assumed\nto provide direct Modbus, BACnet or\n0–10V analogue-speed control.\n\u003c\/p\u003e\n\n\u003cp\u003e\nCustomers requiring specific BMS\ncommunications should verify the\nrequired interface before ordering.\n\u003c\/p\u003e\n\n\u003ch4\u003e29. What is the collective fault signal (SSM)?\u003c\/h4\u003e\n\n\u003cp\u003e\nSSM is a fault-indication contact provided\nfor external monitoring.\n\u003c\/p\u003e\n\n\u003cp\u003e\nIt enables suitable building control\nequipment to receive a pump fault signal.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe standard contact is a potential-free\nnormally closed contact.\n\u003c\/p\u003e\n\n\u003cp\u003e\nElectrical installation must follow\nWilo's contact-rating and wiring instructions.\n\u003c\/p\u003e\n\n\u003ch4\u003e30. Can the pump be switched off remotely?\u003c\/h4\u003e\n\n\u003cp\u003e\nAn external OFF input is available using\nthe compatible Wilo-Connect module\nYonos MAXO.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis function requires the optional\nmodule and appropriate external controls.\n\u003c\/p\u003e\n\n\u003ch4\u003e31. Is this pump suitable for chilled water?\u003c\/h4\u003e\n\n\u003cp\u003e\nYes. Wilo identifies the Yonos MAXO-D\nrange as suitable for compatible\nclosed-loop cooling and air-conditioning\ncirculation applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe installation must remain within\nthe permitted liquid temperature range.\n\u003c\/p\u003e\n\n\u003cp\u003e\nSuitable insulation and condensation\ncontrol are important for chilled-water use.\n\u003c\/p\u003e\n\n\u003ch4\u003e32. Can the pump circulate glycol?\u003c\/h4\u003e\n\n\u003cp\u003e\nYes. Wilo permits suitable water-glycol\nmixtures up to a maximum mixing ratio of\n1:1 under the manufacturer's stated conditions.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWhere glycol is used, the pump's\nhydraulic performance must be corrected\nto account for the increased viscosity.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe suitability of the particular glycol\nand its concentration should be confirmed\nbefore installation.\n\u003c\/p\u003e\n\n\u003ch4\u003e33. Is the pump suitable for potable domestic hot water?\u003c\/h4\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eNo.\u003c\/strong\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis Yonos MAXO-D model uses a grey\ncast iron hydraulic housing and is not\napproved for drinking-water applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWilo produces separate Yonos MAXO-Z\nmodels intended for suitable domestic\nhot-water circulation applications.\n\u003c\/p\u003e\n\n\u003ch4\u003e34. What is the maximum liquid temperature?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe maximum permitted liquid temperature\nis \u003cstrong\u003e110°C\u003c\/strong\u003e, subject to\nthe manufacturer's operating conditions.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe minimum permitted temperature is\n-20°C when using a suitable compatible fluid.\n\u003c\/p\u003e\n\n\u003ch4\u003e35. Can the pump be installed vertically or horizontally?\u003c\/h4\u003e\n\n\u003cp\u003e\nInstallation must follow Wilo's approved\nmounting positions.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe motor shaft must remain horizontal,\nand the direction-of-flow arrow on\nthe pump housing must be observed.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe pump must not be installed in an\norientation that places the motor shaft\nvertically.\n\u003c\/p\u003e\n\n\u003ch4\u003e36. Does the pump need to be primed or vented?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe system must be correctly filled,\npressurised and vented before operation.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWilo describes the pump itself as\nself-ventilating, but this does not\nremove the requirement to vent the\nheating or cooling system correctly.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe pump must not be operated dry.\n\u003c\/p\u003e\n\n\u003ch4\u003e37. What happens if the pump runs dry?\u003c\/h4\u003e\n\n\u003cp\u003e\nInsufficient liquid or trapped air\ncan result in inadequate lubrication\nand cooling of the wet-rotor components.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWilo identifies warning code\n\u003cstrong\u003eE11\u003c\/strong\u003e as a dry-running\ncondition associated with air in the pump.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe system pressure and liquid\nvolume should be checked.\n\u003c\/p\u003e\n\n\u003ch4\u003e38. What do the Wilo error codes mean?\u003c\/h4\u003e\n\n\u003cp\u003e\nCommon fault and warning indications\nidentified in Wilo's operating instructions include:\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eE04:\u003c\/strong\u003e Supply voltage too low.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE05:\u003c\/strong\u003e Supply voltage too high.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE07:\u003c\/strong\u003e Generator operation warning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE10:\u003c\/strong\u003e Rotor blocked.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE11:\u003c\/strong\u003e Dry-running warning \/ air in the pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE21:\u003c\/strong\u003e Motor overload or reduced performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE23:\u003c\/strong\u003e Motor short-circuit fault.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE25:\u003c\/strong\u003e Motor winding fault.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE30:\u003c\/strong\u003e Excessive control-module temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE31:\u003c\/strong\u003e Excessive power-section temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE36:\u003c\/strong\u003e Electronic control fault.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nSome codes are warnings rather than\ncomplete shutdown faults.\n\u003c\/p\u003e\n\n\u003cp\u003e\nFault diagnosis and repair should be\nperformed by suitably qualified personnel\nusing the manufacturer's instructions.\n\u003c\/p\u003e\n\n\u003ch4\u003e39. Does the pump need commissioning after installation?\u003c\/h4\u003e\n\n\u003cp\u003e\nYes. Although the pump includes electronic\ncontrol, its operating mode and delivery\nhead should be configured for the\nactual hydraulic system.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe two pump heads should be set\nconsistently where they are intended\nto provide equivalent duty\/standby performance.\n\u003c\/p\u003e\n\n\u003cp\u003e\nAny automatic changeover equipment must\nalso be correctly installed and configured.\n\u003c\/p\u003e\n\n\u003ch4\u003e40. What are the factory control settings?\u003c\/h4\u003e\n\n\u003cp\u003e\nWilo specifies proportional differential\npressure (Δp-v) as the factory control\nmode for the heating versions.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe initial delivery-head setpoint\nis preset to approximately half\nthe relevant maximum setting.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe installer should adjust the\ncontrol mode and setpoint according\nto the required duty.\n\u003c\/p\u003e\n\n\u003ch4\u003e41. Can this pump replace a Wilo TOP-ED 32\/1-7?\u003c\/h4\u003e\n\n\u003cp\u003e\nYes, Wilo identifies the Yonos MAXO-D\n32\/0.5-7 PN6\/10, article 2160585,\nas a replacement option for the\nTOP-ED 32\/1-7 PN6, article 2017634.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe hydraulic duty, electrical controls\nand installation requirements must\nstill be checked.\n\u003c\/p\u003e\n\n\u003ch4\u003e42. Can this pump replace a Wilo TOP-SD 32\/7?\u003c\/h4\u003e\n\n\u003cp\u003e\nWilo's replacement guide identifies\narticle 2160585 as a replacement option\nfor several TOP-SD 32\/7 variants.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis includes selected 230V and 400V\nversions.\n\u003c\/p\u003e\n\n\u003cp\u003e\nWhere the existing pump is three-phase,\nthe electrical supply and control\narrangements must be reviewed.\n\u003c\/p\u003e\n\n\u003ch4\u003e43. Can this replace a Grundfos UPSD 32-60 F?\u003c\/h4\u003e\n\n\u003cp\u003e\nYes, Wilo lists the Yonos MAXO-D\n32\/0.5-7 PN6\/10 as a replacement\nrecommendation for the Grundfos\nUPSD 32-60 F, article 96408900.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe final replacement must be confirmed\nagainst the required flow, head,\nelectrical supply and installation\narrangement.\n\u003c\/p\u003e\n\n\u003ch4\u003e44. Is this a direct replacement for Wilo 2120662?\u003c\/h4\u003e\n\n\u003cp\u003e\nWilo identifies article number\n\u003cstrong\u003e2120662\u003c\/strong\u003e as the\nprevious article number for the\nYonos MAXO-D 32\/0.5-7 PN10.\n\u003c\/p\u003e\n\n\u003cp\u003e\nArticle 2160585 is the corresponding\ncurrent model reference listed by Wilo.\n\u003c\/p\u003e\n\n\u003ch4\u003e45. Does the pump require a mechanical shaft seal?\u003c\/h4\u003e\n\n\u003cp\u003e\nNo conventional external mechanical\nshaft seal is required.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe glandless wet-rotor design uses\nthe circulating fluid to lubricate\nand cool the appropriate internal\ncomponents.\n\u003c\/p\u003e\n\n\u003ch4\u003e46. Can the pump be used outdoors?\u003c\/h4\u003e\n\n\u003cp\u003e\nOutdoor installation requires\nappropriate weather protection\nand compliance with the\nmanufacturer's environmental limits.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe IPX4D protection rating should\nnot be interpreted as permission\nto leave the pump exposed directly\nto rain or standing water.\n\u003c\/p\u003e\n\n\u003ch4\u003e47. What is included with the pump?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe manufacturer's standard scope\nof delivery for flange-end models\nincludes the pump, specified flange\nwashers and installation instructions.\n\u003c\/p\u003e\n\n\u003cp\u003e\nConnection flanges, external control\nmodules and other installation\naccessories may be supplied separately.\n\u003c\/p\u003e\n\n\u003cp\u003e\nPlease refer to the product photographs\nand stated contents to confirm the\naccessories supplied with this\nindividual stock item.\n\u003c\/p\u003e\n\n\u003ch4\u003e48. What warranty is supplied?\u003c\/h4\u003e\n\n\u003cp\u003e\nThis is a \u003cstrong\u003enew pump\u003c\/strong\u003e\nsupplied with The Pump Dealer's\nstandard \u003cstrong\u003e2-year warranty\u003c\/strong\u003e\nfor new and unused pumps, subject\nto the applicable terms and conditions.\n\u003c\/p\u003e\n\n\u003ch4\u003e49. What should be checked before ordering?\u003c\/h4\u003e\n\n\u003cp\u003e\nBefore ordering, customers should confirm:\n\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eExisting pump model and manufacturer's part number.\u003c\/li\u003e\n\u003cli\u003eRequired flow rate in m³\/h or L\/s.\u003c\/li\u003e\n\u003cli\u003eRequired differential head in metres or bar.\u003c\/li\u003e\n\u003cli\u003eDN32 flange compatibility.\u003c\/li\u003e\n\u003cli\u003e220 mm installation length.\u003c\/li\u003e\n\u003cli\u003ePermitted system operating pressure.\u003c\/li\u003e\n\u003cli\u003eAvailable inlet pressure.\u003c\/li\u003e\n\u003cli\u003eElectrical supply and existing control arrangements.\u003c\/li\u003e\n\u003cli\u003eRequired duty\/standby functionality.\u003c\/li\u003e\n\u003cli\u003eWhether automatic changeover is required.\u003c\/li\u003e\n\u003cli\u003eWhether optional Wilo-Connect modules are required.\u003c\/li\u003e\n\u003cli\u003ePumped liquid and operating temperature.\u003c\/li\u003e\n\u003cli\u003eAvailable installation and servicing clearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nIf replacing an existing Wilo, Grundfos\nor another manufacturer's circulator,\nplease contact us with the complete\nmodel number and required duty point\nif compatibility assistance is needed.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eManufacturer Documentation\u003c\/h3\u003e\n\n\u003cp\u003e\nFor detailed hydraulic curves, electrical\nconnections, installation requirements,\ncommissioning instructions and\ntechnical information, refer to\nWilo's official documentation.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003ca href=\"https:\/\/wilo.com\/gb\/en\/Products\/en\/products\/yonos-maxo-d_id156\/2160585?t=5\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n\u003cstrong\u003eWilo Official Product Specifications – 2160585\u003c\/strong\u003e\n\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003ca href=\"https:\/\/cms.media.wilo.com\/dcidocpfinder\/wilo555836\/6834118\/wilo555836.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n\u003cstrong\u003eWilo Yonos MAXO \/ MAXO-D Installation and Operating Instructions (PDF)\u003c\/strong\u003e\n\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003ca href=\"https:\/\/wilo.com\/gb\/en\/Products\/en\/accessories\/connect-module-yonos-maxo_id1445\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n\u003cstrong\u003eWilo-Connect Module Information – 2210108\u003c\/strong\u003e\n\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eAbout This Pump\u003c\/h3\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003cbr\u003e\n\u003cstrong\u003eStock Reference:\u003c\/strong\u003e #4790\u003cbr\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Wilo\u003cbr\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 2160585\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe Pump Dealer specialises in supplying\ncommercial circulating pumps, industrial\npumps and replacement pumping equipment\nfrom leading manufacturers including\nWilo, Grundfos, Lowara, Flygt and KSB.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis new pump is supplied with our\nstandard 2-year warranty, subject\nto the applicable terms.\n\u003c\/p\u003e\n\n\u003cp\u003e\nPlease review the product photographs,\ntechnical specifications and\ninstallation requirements before ordering.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eImportant Technical Information\u003c\/h3\u003e\n\n\u003cp\u003e\n\u003csmall\u003e\nTechnical information is based on published\nWilo documentation for the identified\nmanufacturer's article number.\n\u003c\/small\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003csmall\u003e\nMaximum flow and maximum head represent\ndifferent points on the hydraulic\nperformance envelope and cannot\nbe achieved simultaneously.\n\u003c\/small\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003csmall\u003e\nReplacement recommendations are provided\nfor identification and preliminary\nselection purposes. Final compatibility\nmust be confirmed against the required\nhydraulic duty, mechanical connections,\nelectrical supply and control requirements.\n\u003c\/small\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003csmall\u003e\nAll electrical installation and\ncommissioning work must be carried out\nby suitably qualified personnel in\naccordance with the manufacturer's\ninstructions and applicable regulations.\n\u003c\/small\u003e\n\u003c\/p\u003e","brand":"Wilo","offers":[{"title":"Default Title","offer_id":65104597483897,"sku":null,"price":900.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1218\/7894\/files\/a2ab2c7c-0608-4716-b815-a8c62c6f9b5b.jpg?v=1793804582","url":"https:\/\/thepumpdealer.co.uk\/products\/wilo-yonos-maxo-d-32-0-5-7-pn6-10-twin-head-circulator-2160585-4790","provider":"The Pump Dealer","version":"1.0","type":"link"}