Flaviking
Well-Known Member
Ok, First, I'm sorry if this has been asked 1000 times already, but I have been searching for 3 days now, and can't find the answer I am looking for. Maybe I'm just not very good at searching, but...
So I just put together my own single tier, 15 gallon All Electric RIMS system, it's controlled by 3 MyPin TD4 temp controllers. I have set the controls to have a pid of P=3, I=1, D=5 and i was off and brewing. I fired up the HLT easy enough, and brought the water to 170 degrees (or what the temp controller was saying was 170, then I transfered 4.5 gallons to the Mash tun for the mash, I fired up the pump, got the wort circulating, then fired up the RIMS.
This is where the problem occured.
I had the RIMS controller set to 156. The temp quickly went to 166 degrees in my mash tun based on the Analog controller I have installed into the Mash tun Kettle wall. I used a third thermometer to confirm which of the two were reading correctly (It was a grocery store digital candy thermometer) and it was reading 163 or so... So my thought is the PID is off and needs to be calibrated or adjusted as its reading actual 166 as 156... 10 degrees off, which seems way off..
Anywho... here are my questions.
1) How do I find out if the pid is reading the right temp?
2) How do I adjust it if it isn't?
Thanks for the help in advance, I really appreciate it.
BTW.. I think because of this I produced what seems to be a fairly un fermentable 6 gallons of wort.. I pitched my yeast Monday morning and still nothing almost 72 hours later.. Now some plate like structures are being built on the top by god knows what. could be a bad batch of yeast, but doubtful.
Is there anything worse than a ruined batch of beer?
So I just put together my own single tier, 15 gallon All Electric RIMS system, it's controlled by 3 MyPin TD4 temp controllers. I have set the controls to have a pid of P=3, I=1, D=5 and i was off and brewing. I fired up the HLT easy enough, and brought the water to 170 degrees (or what the temp controller was saying was 170, then I transfered 4.5 gallons to the Mash tun for the mash, I fired up the pump, got the wort circulating, then fired up the RIMS.
This is where the problem occured.
I had the RIMS controller set to 156. The temp quickly went to 166 degrees in my mash tun based on the Analog controller I have installed into the Mash tun Kettle wall. I used a third thermometer to confirm which of the two were reading correctly (It was a grocery store digital candy thermometer) and it was reading 163 or so... So my thought is the PID is off and needs to be calibrated or adjusted as its reading actual 166 as 156... 10 degrees off, which seems way off..
Anywho... here are my questions.
1) How do I find out if the pid is reading the right temp?
2) How do I adjust it if it isn't?
Thanks for the help in advance, I really appreciate it.
BTW.. I think because of this I produced what seems to be a fairly un fermentable 6 gallons of wort.. I pitched my yeast Monday morning and still nothing almost 72 hours later.. Now some plate like structures are being built on the top by god knows what. could be a bad batch of yeast, but doubtful.
Is there anything worse than a ruined batch of beer?