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Central, IA | I've run one for 7 seasons on a 24330 and have had 2 fires.
The first one was after the dryer had shut down. One of the solenoid valves didn't close completely. Maybe it had some crud in the oriface or something. Anyway, without the fan running,it got really hot in that chamber. It mostly just discolored the sheet metal. Luckily someone was walking by and caught it.
To remidy this issue, NECO installed 2 solenoids in series. I installed a dead man valve. It is a solenoid valve that must be manually reset. I have it wired that whenever a blower fan or the unloading auger shuts off, it kills the gas to the entire dryer. You have to manually reopen the valve to restart it.
The second fire was last year. I had run about 400k bushel through at the point it happened. There was a fair amount of cob material coming in. In one of the corners about half way up, they kind of rose to the top of one of the inverted V's. The floating on top eventually got hot enough to start smoldering. Thankfully it was during the day and a truck driver noticed it. I was able to empty it, clean a little and go back to work.
My standard procedure is to fill it in the fall. Climb inside to the top and sweep all the corn/fines down to the ground. Once it is up and running I check every level inside at least once a week. Didn't notice the trash build up this year so I didn't empty and refill. If I notice it again, I will probably empty items refill.
As for moisture changes, yes it takes a little time. My dryer holds 3000 bushels and often takes 1.5-2 hours for the incoming corn to exit. You will notice dryermaster round the corners a little. If it see's wetter corn coming in, it will start to slow down over drying the corn for a bit in anticipation of the wetter corn.
As for parts/service. I've never had a service tech on the farm aside from some of the early updates they did the first couple years. The dealer making the sale should have a bigger effect on service than the mothership.
As for parts, virtually 100% of the electrical and burner control parts are standard industrial HVAC parts, that I can source locally. Although I haven't change any since the first couple years.
I did replace a moisture sensor last year that got water in it. Now I pull the moisture sensors/bin switches off in the off season. The sensor was in a warehouse 45 miles from the farm.
Overall I am happy with it. The commander control has only gotten better in the last 7 years. There are vary few changes I'd make to it today. | |
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