HEATRAE SADIA MEGAFLO INSTALLATION MANUAL Pdf Unvented hot water cylinders (52 pages) Water Heater Heatrae Sadia MegaLife HE Series Installation Manual. Vented cistern fed water heater (24 pages) Refer to Sec- tions 4.2 and 4.3 and Diagram 9 for details of wiring and operation of the immersion heater. Central Heating Electrical Wiring - Part 2 - S Plan - YouTube Electrical wiring for central heating systems. Part 2 in the series looks at S plan wiring, a system which uses two separate valves. One valve for hot water,.. Tado wiring on S-Plan with Unvented | PlumbersForums Oct 11, 2019I am wiring up an S plan with an unvented cylinder and the cylinder stat common is wired to the brown on the hw 2 port and NO is wired to DHW on. Tado needs to be wired up the standard way. Hope that makes sense.
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