How to powerflush a central heating system (1/2)



How to powerflush a central heating system (1/2)
Check out part 2 here: https://youtu.be/mdQGy6VUo7A

Cleaning a central heating system is integral to its health and powerflushing is a popular cleaning method due to the rapid but comprehensive clean it delivers. More information is available here: https://www.sentinelprotects.com/uk/support/guides/how-to-powerflush-central-heating-system


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ANSWERED: How does a Hydronic Underfloor Slab Heating System Work?



ANSWERED: How does a Hydronic Underfloor Slab Heating System Work?
► Blog Post: https://dpphydronics.com.au/answered-how-does-slab-heating-work

► Page: https://dpphydronics.com.au/underfloor-heating/in-slab/

In this video i’m going to demonstrate how a hydronic slab floor heating system works.

Transcription:
————————————–

A centrally located thermostat which displays the date, time and current temperature is the brains behind the system. For demonstration purposes if i increase the temperature above the current temperature the thermostat is going to call for heat to the hydronic heating system, indicated by the flame icon.

In this case the Immergas internal hydronic heating gas boiler is going to turn on much like an instantaneous hot water system. By burning gas it transfers heat energy into the ware. With slab heating the boiler is set to heat up the water to raise the water temperature to 50C. The boiler has an internal pump which circulates the hot water through the flow and return pipes.

The flow and return pipes are then connected to a manifold. The size of the manifold is determined by the size of your slab. Each circuit heats around 20m2 using 100m of pipe.

There are two methods of installation when it comes to hydronic floor heating.

In Slab, when the pipe is installed within the structural slab and in-screed when it is installed on top of the structural slab in a topping slab.

In-Screed uses a pipe positioning insulation board which assists it to use less gas and to heat and cool quicker.

► Website: https://dpphydronics.com.au

► Sydney: https://dpphydronics.com.au/hydronic-heating-sydney

► Canberra: https://dpphydronics.com.au/hydronic-heating-canberra

dPP Hydronic Heating
18 De Havilland Rd
Mordialloc VIC 3195
1300 303 471

252-256 Sydney Rd
Balgowlah NSW 2093

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Video Guide: Truma Combi Heating System



Video Guide: Truma Combi Heating System
Welcome to Oaktree Motorhomes’ video guides. This is our first video where we walk you through the dials and controls of the Truma Combi heating system. Several models have similar controls so this video will enable you to get a basic understanding of them all.

If you like this video, please subscribe to our channel where we will bring you more helpful videos about motorhome equipment, maintenance and repair. We’d encourage you to share these videos widely as this encourages us to make more.

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Composting heating system



Composting heating system
An idea for heat production five months out of the year.
Work three to five days to build and five months production of heat.
Be sure to check out James Biggar’s channel in the link below.
https://www.youtube.com/channel/UCtrf6ZiE6hw3k77hGpnuQWg

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3 Port Valves and Y Plan Heating Systems – Plumbing Tips



3 Port Valves and Y Plan Heating Systems – Plumbing Tips
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This video covers the 3 port valve. In particular it’s position in a Y plan system. We also cover the basics of installing or replacing a three port valve or head. For more information visit http://www.plumberparts.co.uk

Hello, and welcome to this PlumberParts video.
Today, I’m going to tell you about three port valves, their position in the heating system, and how to install their control heads. It’s basically going to be a brief explanation, if you want any more detailed information you’ll have to contact us and go to our website at plumberparts.co.uk.
Let’s first have a look at the position of the three port valve in the heating system. This pipe here is the flow from our boiler, okay? Now it comes up here, through the pump, is pumped up through this pipe here to our three port valve here. Okay? Now what the three port valve then does is divert hot water, either through here into the coil of the hot water tank and back out to the boiler, of through here, which is off down to the heating system, okay, to the radiators. Now it does that according to whether it’s being controlled by either the thermostat on the side of the tank for this side, or your thermostat in your room, which will send it off down this side. Now that might sound simple enough, but the complication comes in when you try to wire them in. For most heating engineers like me, or other people who are experienced in this, it’s an easy thing to do, but if you don’t know what you’re doing, you could easily get an electric shock, or the system just won’t work properly at all. Now, only do this if you know what you’re doing, and you’re competent with electrics, okay, and you have a tester. For God’s sake, don’t touch anything that you haven’t tested first, okay? So here’s the control box, I’m just going to remove this cover. Right, so that is why, you take the cover off and you look at that, and just think oh my God, what is going on here? But once you isolate each wire, and find out which, what it does, then you’re in a much better position, okay, and you’ll be able to figure it out a bit easier with any luck. Now we’re going to have a look at this. This is our replacement head, okay? But I’ll tell you what these wires do, and basically how this works, okay? Because sometimes they can be confusing, the three port valve type, because when it’s only on heating, it has to have a separate live that keeps the boiler and the pump on, okay? Now, so what we have here is pretty simple, we have our standard wire here, this is our earth wire, that goes into the earth. This is our neutral, okay? Now these two here are our signal wires, okay? Now, on a two port valve you have a live, earth, and a neutral, okay? And then a switch live and then a switch down, okay? So when, what happens is, is your two port valve is livened up, the motor moves round, clicks the switch, and then it turns that switch live on back to the boiler and the pump. Now, with a three port valve it’s a bit different. You’ve got your live, your neutral, and your earth, Okay, right, and then you have a live on, you have two lives here, okay? Now these get livened up according to what services you’re looking for, okay? And they also move the motor round, right, so say your white is your hot water and your heating is your grey, okay? Say the white moves round, the motor moves round, and then what it does, it switches the live that goes through the white, through the motor, and then back out on this orange off to the boiler and the pump, right. Similarly, it works exactly the same way for the heating system. Say it comes down, the heating system comes on, it gets signalled by the programmer, it goes through the thermostat of the room, comes back, switches down here, opens the valve, the valve makes, and then it livens up back down here off to your boiler and your pump to tell them to come on. The idea of having a switch in one of these motors to tell the boiler or the pump to come on, is so the boiler and the pump doesn’t run when there’s no flow to go to, okay, which could result in the boiler overheating, sections cracking, heating systems overpressurizing, and loads of problems like that. Okay? I hope you found this video somewhat informative and opens your eyes a little bit more to how three port valves work, where they are on the system, and why they’re so important for diverting heat to the certain areas according to the thermostats that are calling for those areas to have heat. If you want any more advice or any more information, go to our website at plumberparts.co.uk, message us on youtube, or get hold of us through that website. Hope to see you again, and keep up to date with us, and see you soon. Thanks very much, bye bye. Plumberparts.co.uk, honest reviews and advice.

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How to Balance Heating System Radiators – Plumbing Tips



How to Balance Heating System Radiators – Plumbing Tips
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A brief video on how to balance heating system radiators. Includes lockshield positions and TRV’s. Plumbing Tips – diy.

For more information visit our website at http://www.plumberparts.co.uk

Today, I’m going to tell you about balancing heating systems. Why you should do it, the symptoms that mean you might have to do it and how to do it. Firstly, lets have a look at the general layout of a heating system. Have a look at schematically because that will help you understand why balancing a heating system is so important. Let’s say we have two stories, level one and ground. We have the boiler at the bottom. Coming out of the boiler we have a pump that goes up, through diverter valve, through some radiator’s upstairs. And, then downstairs, with common returns, going back to the boiler. Okay, so we’ve got radiator’s here. The first reason that heating systems should be balanced is even if there is a pump on the heating system, hot water naturally likes to gravitate up. And stay upstairs and then make it’s quick route back to the boiler. So what we often find, is the radiator’s upstairs are getting loads of heat when the ones downstairs, are still really quite cold. So what you should do, is go to the lock shield on the radiator’s upstairs, close them and then open them about a quarter of a turn. You won’t necessarily see any difference in the radiator’s heat capacity or not but you will noticethat more hot water flow is diverted to the radiator’s downstairs. Now, you go downstairs make sure those radiators are open and that means the heating system should be balanced. Another reason you should balance your heating system is, say, this radiator is getting hot, that one’s getting hot, and this one’s getting hot, the last radiator on the line isn’t getting so hot. That’s because these three radiators are effectively pinching all the hot water flow delivered by the boiler and the pump. What you do then, is remove the lock shield on these radiator’s here, straddle those two up there, down, shut them, give them a quarter of a turn. This one here, bring that down, shut them, then give a quarter of a turn.
We also do a video on one radiator isn’t getting hot ’cause it can be more than one reason, not just the fact the system isn’t balanced. But, that is a brief idea of how you balance the system and why. Now, let’s take a quick look at the lock shield, how to shut it and also, give it that quarter of a turn to make sure it is all balanced. So, here we are, upstairs, okay. Now the radiator’s up here get really hot, so let’s have a look at how we’re gonna straddle this one down and balance this system. So, here we are with our first upstairs radiator. There is four in this system upstairs and do the same thing to each one. Here’s the lock shield here, note the T on the end. Pop the lock shield cap off, and close it by turning it anti-clockwise. Once it’s fully closed, just slack it back a quarter of a turn. Do that to each radiator upstairs, and you should find then that each radiator side of the heating system is balanced.
Now, let’s have a look at what you can do to balance out the hot water coil on your heating cylinder, if you have an indirect one. Right, so we had a look at how to balance the radiators on a heating system. Now, we are going to have a look at how to balance the hot water coil on the indirect cylinder. A lot of houses in the UK have indirect hot water coils on the cylinder. That means, hot water from boiler is passed through a coil in the cylinder and that heats the water up. Now, often these coils are 22 mm in pipe size and when the valve opens up to let hot water through that coil, it pinches loads of heat from the radiators. Therefore, the indirect hot water coil should also be balanced and regulated. Most plumbers when installing an indirect hot water cylinder, will put a flow regulating valve on the return side of the coil. Let’s have a look at it.
So, you have your boiler, your pump and your three port valve or if you have less plan, it will just be a two port valve for each side. You have all your radiators with their frozen returns. We have the flow coming up here from the boiler, goes through the valve into our hot water coil and our cylinder and then back out. And, it’s here that we fit the flow regulating valve on the return side of the hot water coil. That will go back into the return side of the boiler. So, to recap, we have the boiler, the pump and our diverter valves. The radiators upstairs have been straddled down and regulated. The ones downstairs are getting a good flow of hot water. We’ve also straddled down the return on the indirect hot water cylinder and the whole heating system is now working properly.

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Ditra Heat, electric floor heat how to install it start to finish



Ditra Heat, electric floor heat how to install it start to finish
Ditra Heat, how to install it start to finish. Ditra Heat is a floor warming system made by Schluter, it is a three component system consisting of the Ditra Mat, the cable system and the thermostat, it comes in both 120, and 240 volt. The Ditra mat for the Ditra heat is configured in such a way that the heat wire can be easily inserted and routed through the mat to heat the desired areas, in this case the whole floor was heated, but can also be used to heat different zones. The Ditra mat is installed the same way as the regular Ditra uncoupling membrane, and serves the same function with the added capability of accepting the heat wire. One important difference is that a ¼” square notched trowel is used to spread the thinset instead of the regular Ditra trowel. Once the mat has been installed, the wire can be routed into the mat. The heating cable must be placed no closer than 3” from the wall, and 8” from a heat source, (Hot are vent, base board heat, etc.). The cable and probes must be tested with the appropriate meters before they installed, after they have been placed in the mat, and after the tile has been installed to retain the warranty. All the directions are included with the system. All tile installed by Sal DiBlasi, Elite-tile Company, in the Boston North Shore area. This video contains affiliate links, which means I will receive a small commission if you click on the product link.

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How Ductless Mini-Split Systems Work. Single & Multi-Zone Applications – Younits.com [HD]



How Ductless Mini-Split Systems Work. Single & Multi-Zone Applications – Younits.com [HD]
http://www.younits.com

Video Guide for how ductless mini-split systems work and its’ advantages over conventional systems. The ductless mini-split system is becoming more attractive today. Similar to a conventional split system that has components on the interior and exterior, the ductless mini-split system would have a condensing unit or heat pump on the outside connected by a line duct to an air handler on the inside.

The advantages of going with a ductless system over a conventional system are – cost effective; great for renovation work (no duct work required and installed in places where it’s most needed); can be used in addition to existing split systems; very efficient (up to 26 SEER rating systems available on http://www.younits.com; quiet and sleek operation; attractive and low-profile; remote control operated.

Several different styles are available depending on the best application for you. Wall-mounted units are very popular, but there are also ceiling-mounted units, ceiling cassettes (used with drop ceilings), concealed units (installed above the ceiling itself and has a small duct that gets tied into outlets) and floor-mounted units.
Ductless mini-split systems can also be used in single zone or multi-zone applications. For multi-zone applications, it should be noted that you will need to use it with a heat pump. They are remote control operated, but you can also install a wall-mounted thermostat. Units can be used in a multi-zone application as a mix and match. For example, you can have a wall-mounted unit in 1 room and a ceiling-mounted unit in another.

Go to http://www.younits.com to find products and applications for all your ductless mini-split system needs.

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Properties should have solar water heating systems – ERC



Properties should have solar water heating systems – ERC
Does the building in which you live, work, dine, or otherwise have a solar water heater? If not, the owner of the property should install one within the next month or risk being jailed for a year or pay a 1 million shilling fine. The Energy Regulatory Commission, accompanied by police, will begin site visits to check compliance.

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