Please help......(Central heating problem)?

Question

i dnt know what to and how to write.........our heating is not working......i opend the net.......for air......but there is no air only water in pressure.........light is on.....i dnt know wat to do now......every things seems to ok

MAny thanks in advance

Answer 1

You seem very unsure on how a heating system works. Given there are numerous different heating system, the majority have a heat source (some form of heat exchanger/boiler fuelled by gas or a solid fuel fire). Most systems then require a circulating pump, a thermostat control and possibly 1 or 2 zone valves to direct your very hot water source to radiators or your domestic hot water tank. There is normally an electronic control to monitor and demand heat (hot water) from your source as and when your room or water temperature drop below the level you have pre-set.
A programmer (set by you) normally controls the times when the whole system is live and active

Your level of knowledge suggests you really need an experienced person or plumber to have a look at it. I would advise you not to attempt to mess with any electrical or gas system components.

That said, the system I have described is a common system, but there are many out there and the way to pin the root of the problem down is to look at the basics first; you may well be able to give your plumber an idea of what, or more importantly, what is not happening.

The general sequence of events is as follows:

1. With the system switched on (Fused supply confirmed good, i.e. lights on the controller/programmer).

2. You can normally over-ride the set programme by selecting 'on', you must also ensure the room and water thermostats are set high enough to 'demand' heat from the boiler/source.

3. Once heat has been asked for listen for the opening of zone valves, these need to open fully to provide an electrical power circuit to initiate a gas boiler (there is normally a short period prior to ignition when the fan is venting, or creating a prescribed pressure drop that ensure the fume extraction system is working correctly), and to start the circulating pump.

Obviously there are many things that can go wrong with this system but running through the start up procedure a few time may well give you a idea of where the problem lies.

At the end of the day these systems should not be tampered with by unqualified persons but there is nothing wrong with gain a working understanding of the system.

Hope I have not confused you.

Answer 2

This is going to be difficult but here goes.

Go to the boiler and see if it is alight? OK
Look at the knob that controls how hot the boiler will run. It will be marked Off ---- Full, now turn it halfway.
Go to where the room thermostat is and turn it to 70f or 23c
Can you hear the pump on the boiler running? OK
Wait five minutes and see if the radiator nearest the boiler is warming up.
If no, I think it would be best for you to get someone who knows a little more about it.
Good Luck

Answer 3

I keep answering this question every week, check the pump, it has been idle all summer and is blocked with gunge.
CURE Remove brass screw from end of pump with a 2p piece, insert electrical screwdriver and give it a flick either way, and hey presto.

Answer 4

Dose boiler fire up when hot water wanted ?
is pilot light on ?
taking to much water out of rads will stop them working.
your gas supply working OK ?

Answer 5

dont listen to xenon,if you got a fully pumped system your pump would have worked in the summer for hot water only?????

Answer 6

pilot light may have went out, check that first

Answer 7

reset the bioler and try again. radiators might need bleeding

Answer 8

Call a tech.

Answer 9

don't fiddle with it. get engineer out for safety reasons.

Answer 10

think you might have to.........call in........the professionals.....whats with all the fullstops anyway