Opico 580 LPG Dryer
- Thread starter Adeptandy
- Start date
Farmersboy
Member
- Location
- South Lancashire
Is this a DCM Control box, or manual with the two guages?Got an issue with the dryer I need some guidance on please.
Dryer starts, heats up ok, but doesn’t come back in once grain temperature is reached as it trips the high limit stat.
Should it go to a low flame then come back in when the temperature drops
Ancient, manual with 2 gauges
Farmersboy
Member
- Location
- South Lancashire
So the flame is constant. Not high and low.
Sounds like you need to increase the Plenum Temp setting to be above your grain target temperature
Sounds like you need to increase the Plenum Temp setting to be above your grain target temperature
Farmersboy
Member
- Location
- South Lancashire
Do you have the handbook? All in there
I’m running theDo you have the handbook? All in there
Plenum 225*F and Grain 100*F
Currently on Barley
Yes, just seems to be a high flame
Books a bit confusing, one paragraph says set plenum 50* above desired plenum temperature then later on says don’t exceed plenum temperature in chart
YELROM
Member
- Location
- North Yorkshire
We bought an Opico dryer last year off a neighbour, think it is a 555
I haven’t actually used it yet because it was dry last year and we feed all our cereals, but when I got somebody to come and do a couple of jobs on it and check it over last year it gets up to temperature and turns off but it doesn’t come back on to maintain temperature and he said it is the grey box on the left-hand side in your control panel picture needs replacing
Not sure if this is the same problem your having
I haven’t actually used it yet because it was dry last year and we feed all our cereals, but when I got somebody to come and do a couple of jobs on it and check it over last year it gets up to temperature and turns off but it doesn’t come back on to maintain temperature and he said it is the grey box on the left-hand side in your control panel picture needs replacing
Not sure if this is the same problem your having
Last edited:
YELROM
Member
- Location
- North Yorkshire
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Farmersboy
Member
- Location
- South Lancashire
@yellrom is right, Josh will know.
is this setting 50* higher than your plenum temp on the dial?
is this setting 50* higher than your plenum temp on the dial?
- Location
- Kent Sussex border
plenum temp must be set about 50‘ above that it is running at. This is a safety cut off point and not the running temp.
if you have them set the same it will keep cutting out
if you have them set the same it will keep cutting out
Book says max 180 plenum for wheat but ran it at 225 to get it to get the grain temp to 100 without the high temp tripping.
Will see how it goes tomorrow, but need to dry down from 18% so not confident just getting it grain temp to 120 and then cooling as high limit has tripped will be enough
Thanks, I’ll get in touchIf you give them a ring they will tell you what’s wrong and probably have the partsReconditioned Grain Driers East Yorkshire | Opico Dryers For Sale
Recondriers sell affordable reconditioned mobile grain dryers, new & used parts and grain driers for sale. East Yorkshire. Opico, Auger and grain hoppers.
oil barron
Member
- Location
- Aberdeenshire
Actual Plenum temperature is adjusted with the regulator valve. The grey switch box plenum temperature is a safety feature should the regulator valve fail and is set 50deg above your desired plenum temp. The plenum temps in the book are the maximum recommended to avoid damage to the grains, mostly applicable to seed. The gas should switch off completely when grain temp is reached. You set the grain temp on your first load based on the desired moisture, after that it should be automatic unless you adjust the plenum temp again. A lower plenum temp actually needs a lower grain temp for the same moisture as it is cooking for longer to get to that temp.
oil barron
Member
- Location
- Aberdeenshire
Sorry modulating valve. Turn it counter clockwise a little then watch the plenum temp stabilize. 250 is very high for your plenum temp. Make sure you are running the fan at 520rpm.Trying to get the grain temp to 120*F this morning but plenum is tripping at 250*F so upped it to 275*F
How do you set plenum temperature via the regulator
oil barron
Member
- Location
- Aberdeenshire
You get 1% to 1.5% from the cooling when you are drying from higher moistures.Fans at 520rpm, will have a play with the modulating valve
1st load I’ve over dried, it’s a bit different to doing it in winter.
I have a lot to learn
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