S Plan Wiring Diagram With 2 Zones. Author 123 downloads 5 views 474 first release aug 20, 2016 last update. The nrg link pipe thermostat is typically set at 55c and is located on the open primary return inside the unit.
The difference is that the zone valve switch is used to connect two terminals in the boiler together, rather than connecting 230v to one terminal only. Think its meant to be an s plan system of a sort? Discussion in 'plumbing and central heating' started by mark007, 29 oct 2016.
3 channel programmer, 3 motorised valves, cylinder stat, room stat for ufh, no stat for ch & 2 pumps.
Problems with s plan heating systems: The basic difference between the y plan and the s plan is the type of valves used in the pipework. The difference is that the zone valve switch is used to connect two terminals in the boiler together, rather than connecting 230v to one terminal only. S plan central heating system how does an work boiler boffin ye 9853 port valve wiring diagram vaillant ecotec 831 combi on 2 zone combination with zones volt free switching where can i find a for v4043 motorised full version hd quality dual geroldflock de home heat onlinediagram1a cday it what is the difference between and y faq… read more »