Wirsbo Thermostat Q?

singh

I have an installed stat (wt-1) that won't go below 59*.
H.O. wants to lower when away for the week.

I know they can go down to 40*, is this one defective? or

could it be that this one goes into a ZCM has something to do with it.

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I've noticed the latest batch

are that way. Seems the earlier versions went down to 41F. I'd like to see a low side of 41F for use in garages.

hot rod

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Andruid

New batch

The low temp limit on this new batch of Wirsbo t-stats can be adjusted. If I recall correctly, you open up the unit, and inside there's a little black button on the circuit board. Read instructions for specific procedure.

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Now I see..

the "special setting" button INSIDE the stat allows additional settings. It's on page 3 of the four page directions. I totally missed this page

If I read it correectly it should go down to 38F with a 2 degree differential?

I'll have to power one up and mess around

hot rod

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singh

Thanks

I will look for it!!

Now, why would you want to limit no less than 59* ? when 41* can provide freeze protection.


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