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Summary of Contents for Restrain ICA731
- Page 1 ICA731 Digital Restrain Sensor Potatoes Operators Handbook...
- Page 2 Purpose: The ICA 731 Digital Restrain sensor is for use with the ICA740/760 Restrain generator to control and maintain a stable ethylene concentration within a Potato store. The sensor includes a highly sensitive electrochemical detector and digital electronics to provide the needed intelligence to control the output and...
- Page 3 50m and a minimum of 10m. Built in temperature sensor Connection to Restrain Machine Socket for CO2 detector The optional CO2 detector can be connected to the sensor through the socket provided. Details for this are in the CO2 sensor instruction manual.
- Page 4 Restrain Generator automatically and gradually increases the level of ethylene in the store from a starting level of 0.2% Restrain (0.1 ppm ethylene) to 20% Restrain (10 ppm ethylene) over a 20 day period. This is to ensure the most efficient operation of the machine and to avoid high respiration levels of the potatoes which could be detrimental.
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Page 5: Operation
6. Operation: The Day number in the slow start programme is shown on the blue digital display. (From time to time the blue display will flicker this is normal and occurs when the memory is being updated.) The default setting for a new sensor (as of July 2015) is: This setting is past day 20, so the slow start is not active. - Page 6 If the room is small and the control is overshooting the maximum output from the machine can be reduced. A switch within the ICA731 sensor is used to limit the ethylene output of the generator. This switch has 16 positions and reduces the maximum output in 16 equal...
- Page 7 Position 0 is full output Position 8 is half output Position C is 1/4 Output Position E is 1/8 Output Position F is 1/16 Output The output from the sensor to the machine is digital and numbered 1 to 64 with 1being OFF and 64 being the machines maximum rate. This number is displayed on the machine;...
- Page 8 CO2 levels can be checked. 9. All varieties can be treated after January 1st without contacting Restrain Company. 10. Restrain may be used later in the storage season following CIPC to avoid the need for a second application and high CIPCresidues.
- Page 9 An additional controller which turns off the Restrain System whilst out side air is being used can be fitted. The Restrain Generator can be set on the existing settings to limit the fuel usage and not operate at maximum fuel rates.
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