Y PLAN WIRING DIAGRAM WITH WIRELESS ROOM STAT
Y Plan central heating system - John Ward
3 Port Valve OperationSystem WiringOperation - Hot Water onlyOperation - Hot Water and Central HeatingOperation - Heating onlyPossible ProblemsHive and Other Similar 'All in One' SystemsThe valve itself has three plumbing connections - in, out A and out Brdless of other settings, at least one of the outlets is always open, so it is always possible for water to flow through the valveet A is normally connected to the central heating, with B used for hot watertrically, the valve has 5 wires: 1. Green/Yellow, Earth - connected to the metal body of the valve. 2. Blue, Neutral - internally connected to the neutral side of the motor. 3. White, Live in 1 - Activates t..See more on flameport
Wiring Diagrams - Honeywell Home Heating Controls
FAQ Wiring Diagram Y Plan Pump Overrun (ST9420 and DT92E) FAQ Wiring Diagram S Plan Pump Overrun (ST9420 and DT92E) FAQ Wiring Diagram S Plan Plus Pump Overrun (ST9420 and DT92E) FAQ Wiring Diagram Combination Boiler (ST9120) T4 Additional Wiring Diagrams LYRIC T6 Additional Wiring Diagrams V4043 Zone Valve S Plan Operation
Sundial Y Plan - Honeywell Home Heating Controls
The Sundial Y Plan is designed to provide independent temperature control of both heating and domestic hot water circuits in fully pumped central heating installations. Sundial Y Plan satisfies the minimum standard requirements of the Building Regulations Part L1 when used in conjunction with radiator thermostats and an automatic bypass valve.
Wiring of Y Plan Biflow Central Heating Systems
As can be seen from the Y Plan wiring diagram above, the switched output from the room stat connects directly with the heating (white) connection to the motorized valve. Cylinder Thermostats. Cylinder Stats are normally mounted on the bottom half of a hot water storage cylinder or tank.
Y-Plan with a CM927 wireless stat | DIYnot Forums
My basic question is - Is a CM927 wireless room thermostat suitable for a Y-plan central heating system. I have modified my central heating system to a Y-Plan. The idea was to be able to controll the HW and CH independantly. The components used are Honeywell. V4073 3-way valve, L641 cylinder stat, CM927 wireless room stat.