DRYING CONTROL SETTINGS
TARGETS
Target MoistureTarget nut moisture (wet basis)
%
Max Duct TemperatureHard cap on supply air temperature
°C
DRYING MODEL
Initial MoistureDefault nut moisture at loading
%
Drying Rate ConstantFirst-order moisture estimator constant
k
STAGE TRANSITIONS
Near-Target OffsetTriggers Approach stage
% pts
Stall TimeoutLow driving force before stalled
min
Stall Driving ForceThreshold for ineffective drying
% pts
Equalize DurationLength of equalization phase
hours
Cooldown Target TempBelow this → Off
°C
CONDENSATION GUARD
Condensation MarginDew point safety margin
°C
ENERGY POLICY
Controls when the system switches between ambient-only (AMB) and heated (HEAT) modes.
Min EMC ImprovementMinimum EMC gain to justify heating
% pts
AMB/HEAT HysteresisBand to prevent mode cycling
% pts
AMB/HEAT DebounceConsecutive cycles before switching
cycles
AIRFLOW
Max System AirflowAt 50 Hz master blower speed
m³/s
Airflow per BinTarget airflow per active bin
m³/s
Min Main BlowerMinimum for pressure/recirculation
%
Min Ambient BlowerWhen ambient air is beneficial
%
Min ExtractorFloor speed for basic ventilation
%
Extractor EMC GapGap at which extractor reaches ambient fan speed
% pts
CONTROL LOOP
Control IntervalHow often the controller updates
ms
Warmup StabilisationTime before Loading transition
s
HEATER PID TUNING
Fire blower PID — controls supply duct temperature.
Proportional (Kp)
Integral (Ki)
Derivative (Kd)
Output Min
%
Output Max
%
STAGE SPEED SCHEDULES & DRIVING FORCE LIMITS
Fan speeds (%) and max driving force (% points, 0 = disabled) per drying stage.
| Stage | Main Blower | Fire Blower | Extractor | Ambient | Max Driving Force |
|---|---|---|---|---|---|
| Warmup | |||||
| Loading | |||||
| Bulk Drying | |||||
| Approach | |||||
| Equalize | |||||
| Finish / Hold |
|