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8. Appendix
8.1. Manual Dryer Speed
Note
These speeds are recommended as a STARTING POINT only for input as manual metering roll speed
until the DryerMaster system reaches full automatic. As grain drying factors change, speeds will need to
change in order to maintain a correct and steady output grain moisture value.
Some factors to consider when drying grain are:
• The type of grain. Some varieties are moisture-resistant compared to others.
• The end usage of the grain - will it be used for seed, feed, commercial, or some other usage.
• The outside weather conditions - including temperature, humidity, and even wind.
• The moisture content of the incoming grain.
• The cleanliness of the incoming grain.
• The crop region.
Table 9. Speed setting (DC motor %)
MODEL - RPM
MOISTURE CONTENT (%)
3 5 7 9 11 13 15
D1240 - 27 RPM 42% 25% 18% 14% 12% 10% 9%
D1250 - 27 RPM 52% 32% 23% 18% 15% 13% 11%
D1260 - 27 RPM 63% 38% 27% 21% 18% 15% 13%
D1660 - 27 RPM 42% 26% 19% 15% 13% 10% 9%
D1670 - 27 RPM 52% 32% 23% 18% 15% 12% 11%
D1680 - 27 RPM 62% 38% 27% 21% 17% 15% 13%
D1690 - 27 RPM 73% 44% 32% 25% 20% 17% 15%
D16106 - 42 RPM 53% 32% 23% 18% 15% 13% 11%
D16120 - 42 RPM 67% 40% 29% 22% 18% 16% 14%
D16140 - 42 RPM 80% 48% 34% 27% 22% 19% 16%
D16160 - 62 RPM 63% 38% 27% 21% 17% 15% 13%
D24108 - 27 RPM 62% 38% 27% 21% 17% 15% 13%
D24150 - 27 RPM 53% 32% 23% 18% 15% 12% 11%
D24180 - 42 RPM 67% 40% 29% 22% 18% 16% 14%
D24210 - 42 RPM 80% 48% 34% 27% 22% 19% 16%
D24240 - 62 RPM 63% 38% 27% 21% 17% 15% 13%
D24260 - 62 RPM 72% 43% 31% 24% 20% 17% 15%
D24330 - 83 RPM 68% 41% 29% 23% 19% 16% 14%
D24380 - 83 RPM 81% 49% 35% 27% 22% 19% 16%
CONTINUOUS MIXED-FLOW GRAIN DRYER WITH COMMANDER CONTROL SYSTEM 8. APPENDIX
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