How do I know if I have an S Plan or Y plan heating system?

The main difference between an S and a Y plan is that a Y Plan has a single, three-port valve supplying both the central heating and/or hot water. This three-port valve is shaped like the letter ‘Y’ when you look at it from a schematic layout of pipework point of view, as seen below.

What is S and Y plan?





By way of a reminder, a Y plan uses a mid-position valve to direct the primary flow through the heating circuit, hot water circuit, or both, while the S plan utilises at least two separate zone valves for both the heating and hot water functions. The style of system design chosen can be influenced by many factors.

What is C plan heating?

Sundial C Plan. The Sundial C Plan is designed to provide independent temperature control of both heating and hot water circuits in existing pumped heating, gravity domestic hot water heating installations. Time control must be provided by programmer.

Why is it called an S PLAN heating system?

The reason this system is called a ‘S’ plan heating system is because of the shape of the system when drawn schematically. Heated water from the boiler is diverted to the hot water coil or the radiators depending on which service the programmer is asking for and which thermostat is calling for heat.

How do I wire my s plan?

Quote from the video:
Quote from Youtube video: So we need to do is find the hot water valve. And wire it accordingly. So the orange goes into block 9. So we just push that in click on the brown from the hot water goes in to block.

How do you wire central heating controls?





Quote from the video:
Quote from Youtube video: Works for the hot water side we have a program alive out it goes through the thermostat on the side of the tank. And then goes off to the live of the hot water two-port. Valve.

How do I know if my motorised valve is working?

Quote from the video:
Quote from Youtube video: So another important piece to check is if this valve paddle is working okay as you can see there's a little piece on there that the motor attaches. To see if it turns freely it should turn easily.

How do you zone a heating system?

Can I zone my heating system? Zoning your heating system cannot be done directly from your boiler. Instead, you will need to purchase some external devices, such as zone valves, and have these installed by a suitably qualified engineer.

How does a 2 zone heating system work?

To combat this, at least two zones are installed – one upstairs and one downstairs. As one zone reaches the desired temperature, the thermostat slows the flow of air to that zone, which forces more air to the other zone and creates more even temperatures throughout your home.

How does an S Plan system work?



The S-plan heating system is in the shape of an S when it’s drawn schematically. It works by using heated water from a boiler, which is then redirected to the hot water coils, or alternatively, the radiators that help heat your home.

How do I connect s plan to hive?

Quote from the video:
Quote from Youtube video: Hive active heating installation wiring part two the link between the brown from the two port valve and the heating on from the programmer is shown.

How does an S-Plan system work?

The S-plan heating system is in the shape of an S when it’s drawn schematically. It works by using heated water from a boiler, which is then redirected to the hot water coils, or alternatively, the radiators that help heat your home.

How does a 2 zone heating system work?



To combat this, at least two zones are installed – one upstairs and one downstairs. As one zone reaches the desired temperature, the thermostat slows the flow of air to that zone, which forces more air to the other zone and creates more even temperatures throughout your home.

How do you zone a heating system?

Can I zone my heating system? Zoning your heating system cannot be done directly from your boiler. Instead, you will need to purchase some external devices, such as zone valves, and have these installed by a suitably qualified engineer.

How do you wire a 2 zone heating system?

Quote from the video:
Quote from Youtube video: One for central heating one for hot. Water. You've got another set of switches in your heat. Your temperature controls your um cylinder thermostat and your room stat.

How do you wire a zone controller?

Quote from the video:
Quote from Youtube video: First connect the 120 volt AC power to the zone valve control zvc matching the hot wires the neutral wires and the ground wires. Now we will energize the pump and switch. It.

How do you set a 2 zone thermostat?



The general rule of thumb for a two-story home is that you should set each thermostat two degrees Fahrenheit apart from the other. During the summer, when your AC is running, set the upper floor at the temperature you actually want in your home. Then set each floor underneath that to two degrees warmer.

Can one thermostat control two zones?

With a smart thermostat for multiple zones, you can set up multiple different zones around your house. Following that, you can use your smartphone app or remote control to set different temperatures for all different rooms. That means everyone can have their way and no one needs to compromise.

What is C wire on thermostat?

What is a C-Wire? A common wire (C-Wire) provides Wi-Fi thermostats continuous power by connecting it to a heating and cooling system (e.g. furnace). C-Wires are required on most Honeywell Wi-Fi thermostats, with the exception of the Smart Round Thermostat (formerly known as the Lyric Round).

Does 2 thermostats mean 2 zones?

Yes, in principle, you can use two thermostats to control one HVAC zone. If correctly installed, set, and used you can actually save on your electricity bill.