Heatmiser Room Stats - wiring help needed

[EcosseMackem]

Are any of you plumbing and heating guys familiar with Heatmiser stats

I'm trying to change a couple of DS1E - dial stats for Slimline Digital Programmable ones , but confused as to where one of the wires should go and would appreciate help with it

 

[filfy]

Are any of you plumbing and heating guys familiar with Heatmiser stats

I'm trying to change a couple of DS1E - dial stats for Slimline Digital Programmable ones , but confused as to where one of the wires should go and would appreciate help with it

Have you not got a wiring diagram with the new ones

 

[EcosseMackem]

Have you not got a wiring diagram with the new ones

I've figured them out in all of the rooms bar the ensuite which has a sensor unit inside the bathroom, and the stat is outside - I'm not sure whether the digital stat can be used as a direct swap as there's a wire from the sensor which I can't figure out where to fit

 

[filfy]

I've figured them out in all of the rooms bar the ensuite which has a sensor unit inside the bathroom, and the stat is outside - I'm not sure whether the digital stat can be used as a direct swap as there's a wire from the sensor which I can't figure out where to fit

There should be a + and - connection for the probe

 

[EcosseMackem]

There should be a + and - connection for the probe

Got that, but there's a wire into a terminal marked LOAD - there's not a LOAD terminal in the digital stat

 

[filfy]

Got that, but there's a wire into a terminal marked LOAD - there's not a LOAD terminal in the digital stat

Your heat mat is the load

 

[EcosseMackem]

Your heat mat is the load

There isn't a heat mat - the UFH is wet pipes in concrete slab

 

[filfy]

There isn't a heat mat - the UFH is wet pipes in concrete slab

You’ve got the wrong stat then

 

[EcosseMackem]

You’ve got the wrong stat then

That's what I'm thinking
No idea what the wire is and where it should go on the new stat

 

[filfy]

That's what I'm thinking
No idea what the wire is and where it should go on the new stat

It’s a probe to monitor floor temp

 

[EcosseMackem]

It’s a probe to monitor floor temp

Where should it go on the digital stat then ?

 

[filfy]

Where should it go on the digital stat then ?

There should be a connection for it usually marked probe