Flash 54183 thermostat heating help

[clvk07]

Hi

I have a climote that controls the heating (only one zone)

In the hall I have a flash theromostat (see pictures) that If I set it to 0 temperature it only heats up the water tank. It is on his way out. I need to replace it, maybe with a smart switch.

Can you help with the wiring. It seems it has to lives (two brown cables) but from the wiring diagram seems one is live and one neutral.

I am right to say that this thermostat only open and closes the live wire?

What would you replace with?

 

[ShaunCorbs]

Yep you only have live in and live out / demand

where the neutral on the picture is at the appliance

 

[clvk07]

Yep you only have live in and live out / demand

where the neutral on the picture is at the appliance

Great. I have one of these smart switches (see pictures) I checked the 54183 and it has the same V load, 10A 250V. I guess I can just connect the live in to the switch and the live out. That should work?

 

[ShaunCorbs]

No you can have that two problems One not wired for smart accessories eg no neutral

two it’s not a thermostat so doesn’t regulate with temperature increase or decrease

 

[clvk07]

No you can have that two problems One not wired for smart accessories eg no neutral

two it’s not a thermostat so doesn’t regulate with temperature increase or decrease

Even this one doesn't regulate the temperature, if I have the thermostat higher than 0 it heats up radiators and water tank, if I have it down to 0 then only water tank. My understanding is that the smart switch just connects the L an N connections IN with the out connections if it is on, thats it. Thats why I thought I would work because I do not need a thermostat instead the 54183. Hope I explained myself properly 🙂 🙂 thanks

 

[ShaunCorbs]

Sounds like it might be working that thermostat will only control the rads

you should have a timer elsewhere for controlling the time for the heating and hot water

 

[clvk07]

Sounds like it might be working that thermostat will only control the rads

you should have a timer elsewhere for controlling the time for the heating and hot water

I have a smart climote thermostat connected to the boiler. It controls the temperature in one zone. Usually I the change the flash thermostat to 0 in the summer so the radiators are all off.

in relation to the hot water I have a hot tank which has an element and I can also it up using the electric switch beside. However as mentioned earlier I can also heat it up using the boiler and turning down to 0 the flash thermostat. So the only purpose of this flash thermostat seems to be either 0 (heat only hot tank) or above (heat radiators and hot tank).

By replacing the flash with the smart switch I thought I could achieve the same. (off = to 0 and on = >0) You dont think it is the case?

 

[ShaunCorbs]

How many heating zones do you have ?

pic of the boiler / zone valves would be handy

 

[clvk07]

How many heating zones do you have ?

pic of the boiler / zone valves would be handy

Just one heating zone. (all radiators and hot tank), (however the flash thermostat controls what it gets heated, 0 or >0) See picture. If switch on the smart thermostat heating goes on. I have independent TRV valves on the radiators. (they are not connected to the thermostat).

 

[ShaunCorbs]

Sounds like it’s not wired correctly also are they smart trvs or just normal ones ?

 

[clvk07]

Sounds like it’s not wired correctly also are they smart trvs or just normal ones ?

no just normal ones. Yes I agree I dont think they wired it properly. Do you think it should work if I replace the flash with the smart switch?

 

[ShaunCorbs]

No as you shouldn’t need the room stat

 

[clvk07]

No as you shouldn’t need the room stat

All the houses around here have been wired like this since they were built. (15 years ago) Just looking for something to replace the flash, something like a smart switch if possible or similar if the one I have is no good

 

[ShaunCorbs]

But you’ve upgraded the programmer ?

 

[clvk07]

But you’ve upgraded the programmer ?

yes just replaced the original mechanical thermostat beside the boiler with the smart one. A sort of like for like with the only difference of the new one being smart