Vaillant VWZ MEH 61 Installation Instructions And Instructions For Use

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Installation instructions and instructions for use VWZ MEH 61 0020166663_03101 2 347561 Installation heatingcircuit inlet 1”2 Installation heatingcircuit outlet 1”3 Heating circuit outlet totank 1”4 Safety valve drain5 Heating circuit inlet fromtank 1"6 Glycol water circuit inletfrom heat pump 1"7 Glycol water circuit outletto heat pump 1"► Only use the original seals supplied with the appliance.► Connect the installation heating circuit as shown.► Connect the tank heating circuit as shown.► Connect the heat pump circuit as shown.4.4 Electrical Installatione Danger!Risk of electric shock due to animproper electrical connection!Improper electrical connection cancause electric shock or mightnegatively affect the operationalsafety of the product and mightcause material damage.► The electrical connection of theproduct must be carried out onlyby a suitably qualified person.iNotesAs standard, the product is delivered with the400V configuration.► If the product is connected to the 230V mains, use the,230V cable that is supplied.1 230 mm max.1 Electrical wires2 InsulationWhen you connect theelectrical wires toa connector on theelectronic board:► Keep a distance of a maximum of 30 mm betweenconnector and the start of the insulation.► If using single core wires are used ensure that they arewrapped together in an insulating sheath.► Fix the cables in the cable-clamp on the Box.4.4.1 Connecting the power input (mainsconnection)The external wiring to be grounded. The polarity must becorrect and consistent with the standards.► Connect the appliance in accordance with the live andneutral connections.The connecting cables between the electrical panel and theappliance must be :- adapted to a fixed installation,- resistant to temperatures above 90°C,- Electrical wires with adapated section linked to the powerof the appliance.► Connect the device to the electrical panel via anindependent protection system (circuit breaker with aseparation of at least 3 mm between each contact).Additional protection may be required during the installationto ensure overvoltage category II.Switching devices from the mains supply must allowcomplete failure of the supply according to the requirementsof the overvoltage category III.Component Supply voltage(mini section of cable)Mono supplycable6 kW 230 V (3 x 4 mm²)4 kW 230 V (3 x 2,5 mm²)3-phase supply cable 400 V (5 x 1,5 mm²)Heating element relay cable 230 V (3 x 0,75 mm²)11231 Electrical casing2 230 V electricalconnection label3 400 V electricalconnection labelMOUNTING AND INSTALLATION