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Thats what I thought it is supposed to do But its not So something is not right with this thing Thanx auggiedoggy

I went by the sticker on the unit My pt100 has 3 wires and I have since posting the pic wired it directly into the td4 with no connector or plug Think I will try reversing the 2 white wires and see what happens Now just for my own peace of mind the unit is supposed to read the set value, sv, and...

OK So im stupid !!

Is the RTD pt100 and the pt100 the same ? I am assuming they are

So one RTD setting should work for all of them ? How do I know what should work for mine ?

What is the symbol for the pt100 ? Ihave tried all of them with no results What is the difference between a pt100 and the k type ?

Thanx Doug I tried and everything is the same No changes Anything else to offer that might help ? Needless to say I do appreciate all your help Maybe we can get this thing to work I have put the contactor on hold for awhile now Maybe forever

Heres a pic of my wiring Hope you can make it out It is a mess

Thanx auggiedoggy I will do that after I take a long break A crossed wire seems to run with me in most things I do My wife tells me I have a short all the time

Went thru everything I have been told and still cant get this thing to work Have tried all the inputs and nothing seems to work The temp will go up to where the hot water is I have on the side but it wont cool down It stays there So now I am lost again and about ready to trash this project I...

Thanx everybody Especially Doug for all the info and links It has finally got me on the right track Now to finish the adjustments Now am gonna look into a contactor Just what I need...more problems :)

Tried the different inputs and found one that does what it should be doing but still having problems with getting the differential set But working on that Which sensor is the best in your opinion The TC or the PT100 ? I am guessing the PT 100 But need to now opinions Thanx everybody

Never thought about that Hey im old and stupid Gonna try the input type Will get back with the results Thanx

My value is the k type and I am using the pt100rtd Have moved wires around and still the same results Have double checked my wiring but will do a triple check just to make sure Anyone on here have the settings for the td4 controller that will work Maybe I missed something or didnt put something in

Have checked my wiring and all is good Have reversed wires and the same result Might have to go check out auggiedoggy and see what is in there Maybe a solution ?

I am using the pt100 rtd and my input type is the k type

I am having a bit of trouble with the temp readings on my td4 controller I got temp differential set so now it reads the correct temp but it wont go down in temp It reads the same high temp all the time Have tried putting the TC in a bucket of ice water and it still reads the high temp How do I...