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Mcz Wiring Hydro Stoves Y

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MCZ Hydro Stoves (Active System) Ego; Star; Suite; Club; Musa; Vivo 80 Hydro These notes must be read in conjunction with the full installation instructions Wiring for Y-Plan Systems 230vac 6amp Fused Supply Live Neutral Earth 12 Way Wiring Centre 1 2 3 1 2 3 4 Programmer 5 2 1 6 7 4 Neutral Live HW On HW Off Htg On Htg Off 6 7 8 9 10 11 Room Thermostat 4 5 2 Common Call Neutral 12 Cylinder Thermostat 6 8 7 Common [C] Call [1] Satisfied [2] Mid-Position Valve White Blue Grey Orange Relay (230vac Coil) 5 2 7 8 Coil Live Coil Neutral Common N/O DHW Cylinder CH / DHW Programmer 11 12 3 Port Mid Position Valve Stove 8 2 12 11 Cylinder Thermostat Electrical Connections on back of Boiler Room Thermostat Loading Valve Central Heating Simplified Schematic of Y-Plan System WARNING: The external thermostat terminals on MCZ stoves and boilers are volt-free. On no account must a mains voltage signal be connected.