Y Plan Wiring Diagram No Room Stat

Heating does not switch on when hot water switched off? This diagram shows the wiring layout using the most typical components. I can't have the ch on without the hw being on.

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Not sure the room stat (or perhaps ch output on programmer is working either.

Y plan wiring diagram no room stat. Rad room stat l n l1 underfloor heating pump m e l n b o g m b o g l n e 230v 50hz some earths & neutrals omitted for clarity underfloor zone valve radiators *thermostat may be powered from a seperated (localised) fused spur. I have a y plan vented system with potterton ep programmer. And you should select the most appropriate diagram that matches the components you have installed in your system along with what you’re hoping to achieve in terms of controllability.

View and download hive active heating installation manual online. The second one that i visited had a room stat wired incorrectly. Wiring diagram internal view gas combi view details can't find the document you're looking for?

Terminal b in old thermostat (yellow) will be connected to the white of the mid position valve, terminal a (red) will be connected to ch on (terminal 4) in old programmer and terminal c (blue) in old thermostat will be commoned with the rest of the neutrals. A couple of questions on sundial y plan, and you will might need to look at the wiring diagram for a y plan, click here picture of y plan circuit 1) i have been asked to install the wiring for a y plan, in the wiring diagram i notice that on the cylinder stat, terminal 1 (temp fall) is connected to the live of the boiler and pump. Wiring is essentially the same as a standard y plan, with the room thermostat removed and the controller unit replacing the programmer.

Room stat on and cylinder stat off. If you have a gravity fed or a y plan system 3port valve with no hot water off wire the green status light should be altered to be blue. Page 1 position with remove the old product and fit your new wiser heat 70mm clearance to the right, 25mm above and wiser thermostat kit 1 to the existing wallplate.

This is the diagram for the new stat (using diagram on left for rx1);. If wiring an s or c plan ensure there is no wires connected to programmer hw off or cyl stat terminal 2. No power to boiler and pump;

Pump overrun 10 way junction box. The wireless controller contains a room thermostat and is used to control both the heating and hot water, so any existing wired room thermostat must be removed. 50hz motorised valves ★ refer to boiler handbook for wiring details of pump overrun boilers.