Central Heating Electrical Wiring – Part 3 – Y Plan
Electrical wiring for central heating systems.
Part 3 in the series looks at Y plan wiring, a system which uses a single 3 port valve. This has one inlet and two outlets, one for hot water, the other for central heating. The valve can be set for either outlet separately or both at the same time.
Website with wiring diagrams: http://xo4.uk/?y7f
More Details About RedKingPix.com