What is as Plan system?
An S-Plan heating system is a system that uses zone-valves (also known as 2-ports) S-Plan heating systems are now the most common type of system installed in the UK after Combination boiler systems (which do not have any external motorised valves).
What is a Honeywell Y plan system?
The Honeywell Y Plan pack provides independent temperature control and time schedules for both heating and domestic hot water systems in fully pumped systems. Features & Benefits. Building regulations compliant. One box heating solution. Independent control of both heating and hot water.
What is a sundial heating system?
Sundial Plans, as every installer should know, are nothing new. They are designed to provide close control of a customer’s central heating system, ensuring heated water is diverted to the correct areas to fulfil space heating and domestic hot water (DHW) requirements.
How does an S Plan system work?
Overview of an ‘S’ plan heating system:
- The programmer reaches a timed period where the radiators require heat.
- The programmer activates a live supply to the room thermostat.
- If the room is cold then the thermostat will switch this live supply to the motor in the 2 port valve.
What is s plan wiring?
This scheme uses separate two-port valves, one for hot water and another for heating. This arrangement is common on new installations, as it allows for multiple heating zones with the minimum of additional plumbing and wiring. …
Which is better s plan or Y plan?
An S Plan Heating system is also better suited to larger properties with higher hot water demands, as it provides superior flow rates over a Y plan. Other benefits of having an S Plan Heating System are below: Close temperature control on the hot water system and heating system. Timed operation of all heating …
What is an y plan heating system?
A Y-Plan heating system is a system that uses one motorised valve, which has 3 ports for water to flow through. But due to the fact that you can not add any additional zones and that you can not usually use a 3 Port on an unvented cylinder installation, they are now far less common on modern systems.
What is Honeywell Sundial?
The Sundial S Plan is designed to provide independent time and temperature control of both heating and hot water circuits in fully pumped central heating installations.
How does as plan heating system work?
An S Plan Heating System has two separate motorised valves, one that controls the heating, and the other controls the hot water. These valves can be used individually to control the heating system. The motor inside then turns the valve, opening the body of the valve, allowing the heating pump to push water through.