Automated Environmental Control Systems In Composting And Mushroom Growing

RT-MV Controller for Small Scale Mushroom Growing

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RT-MV controller is used for controlling mushroom growing process in small farms or in growing containers for all mushroom varieties: button mushrooms (Agaricus), oyster mushroom (Pleurotus) and shiitake (Lentinula edodes). RT-MV controller is used for small-scale mushroom growing farms with a basic level of climate automatization or for mushroom growing containers. It measures air, water and compost temperatures, air relative humidity, CO2 concentration. The climate is controlled with outside air, circulation, chilling, heating, drying and humidification. The individual control algorithms are realized for each of seven growing subphases. The algorithms can operate in both manual and automatic modes.

For button mushroom growing RT-MV controller comes with a built-in CO2 transmitter and pump.
For oyster mushroom growing CO2 transmitter is mounted in a growing room and is not included to the RT-MV panel board.

Functions

  • Air temperature measurement in a growing room
  • Air relative humidity measurement in a growing room by aspiration probe
  • Air relative humidity measurement in a growing room by capacitive probe
  • Compost temperature measurement in 4 points
  • CO2 concentration measurement
  • Inlet air temperature measurement
  • Outside air temperature measurement
  • Heater control (0-10V, three-point control, open/closed)
  • Cooler control (0-10V, three-point control, open/closed)
  • Outside air and circulation dampers control (0-10V, three-point control)
  • Humidifier control (0-10V, three-point control, open/closed)
  • Choice of temperature control mode by compost/air/compost+air
  • Choice of outside air damper function (CO2 decrease/air cooling)
  • Temperature change with set rate
  • Alarm signaling
  • Device event and alarm logging
  • Remote PC control

 

Basic Specifications

Temperature Range 0 to 100°С
Temperature Accuracy 0.2°C
CO2 Accuracy +85 PPM
Relative Humidity (RH) Range 70 to 100% RH
RH Accuracy max 2% RH
Power Consumption max 3 W
Supply Voltage 90 to 242 V
Panel Board Dimensions (HxWxD) 500x315х120 mm

 

 

Simplified Environmental Control in the Growing Room

1...4 - Compost temperature probes
5 - Air temperature probe
6 - Inlet air temperature probe
7 - Outside air tempreture probe

8 - Aspiration psychrometer (wet & dry)
9 - Capacitive RH sensor
10 - CO2 transmitter

11 - Outside air damper
12 - Circulation air damper
13 - Cold water valve

14 - Hot water valve
15 - Humidifier valve

16 - Humidifier

Controller's design

RT-MV Controller is supplied mounted into the plastic sealed panel board with external switches for setting various modes. It also includes power supply units, supply-line filter, circuit breakers, line switch, terminals, buttons, LEDs, cable glands, wires.

For button mushroom cultivation RT-MV controller comes with a built-in CO2 transmitter and pump.

For oyster mushroom cultivation CO2 transmitter is mounted in a growing room and is not included to the panel board.

 

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