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FAQ

On this page you will find frequently asked questions about the Restrain application. Choose your product below: Potato storage, Onion storage, Seed potatoes or Ripening.

Potato storage

Follow our Original™ Restrain Potato Storage Training 2020/2021 to learn how to use Ethylene during potato storage.

Sign up using the following link:
https://restrain.thinkific.com/

Unboxing your Restrain package

You need all these components:

– The Restrain ethylene generator
– The Restrain sensor. This measures the ethylene, CO2, air humidity and temperature levels in your storage facility.
– The yellow sensor cable for connecting the sensor to the generator.
– The card with the quick start guide and the daily checklist for managing your storage.

These are the things you will need to begin the pre-start phase.

You only need the jerrycans of Restrain after the pre-start phase.

Placement of equipment

DO ✅

  • Generator is easy to access
  • Safe place of the store
  • Enough space around generator (minimal 1 meter)
  • Close to 220 Volt
  • Sensor is 15m away from generator (and can be put most of the time on a box)
  • Horizontal

DONT ❌

  • Not in path of ventilation
  • Not by a (leaky) door
  • Not by a louvre
  • No condens on equipment (generator/sensor)

DO ✅

  • Generator is easy to access (option is to put the generator on top of potatoes)
  • Safe place of the store
  • Enough space around generator (minimal 1 meter)
  • Close to 220 Volt
  • Sensor is 15m away from generator
  • Horizontal

DONT ❌

  • Not in path of ventilation
  • Not by a (leaky) door
  • Not by a louvre
  • No condens on equipment (generator/sensor)

Yes, the natural ethylene gas suppresses cell elongation: this we call anti-sprout control. A specific low level concentration is maintained throughout the storage period. The dynamic gas spreads through the entire crop. We recommend to repair shutters, doors and roofs in order to avoid excessive ethanol consumption.

✅BULK
✅BOX
✅LEAKY

Before starting up, follow the following guidelines:

  1. Potatoes need to be dried
  2. After wound healing
  3. Temperature consistent below 10 degrees Celsius
  4. Maintain C02 level <2500ppm​ (Minimum of 7 days)
  5. Crop must be dormant

Start pre-start program

1. Select “Select Vaporization cycle”
2. Next, select “0104 – potato four percent”
3. Select “Start – Setup menu”
4. Next, select “Start” again.

The generator will now collect information by measuring the CO2, air humidity and temperature in your storage facility every half hour.

Monitoring CO2 during the pre-start phase

The pre-start phase has been successful when the CO2 level in your storage facility does not exceed 2500 ppm for the last three days of the pre-start.

Start the ethylene treatment

  1. Press “Terminate” + 5 seconds
  2. Press ” Select Vaporization cycle”
  3. Press “left arrow”
  4. Press “Select” 0101-potato protocol
  5. Press “Start/Setup menu”
  6. Press “Conditional start”
  7. Start immediately at day: “22 days”
  8. Press “Start”

The success of Restrain is the simple and reliable system, that can be installed in your store in just 5 minutes. No store modifications are required. Our ‘Installation (10 steps)‘ video shows the easy use of the Restrain ethylene system. Just plug-and-play!

Storage management & - unloading

Good daily store management:

  1. Generator OUT. When you apply gas or fog.
  2. Maintain a consistent temperature of your store (below 10 degrees)
  3. Always have a stock of Restrain Ethanol (1 extra can of 20L)
  4. Power supply generator is alwys on (do not alter plug)
  5. Perform regular checks on the generator
    – CO 2 level ( < 2500 ppm – 0,25%)
    – Ethylene levels are ok (depending on your mode of operation)

Yes, any fresh produce treated with ethylene can be consumed and/or processed immediately without delay. There is no waiting time and increases your flexibility in planning. You can unload batches at any time.

  • Unbox your Restrain package with NEW sensor
  • Disconnect your OLD sensor from yellow cable
  • Connect your NEW sensor to the yellow cable
  • Wait 1 hour to show the right values

For this command you need a USB:

  • Connect your USB to the generator
  • Press “Log file”
  • Press “Download log file”
  • Press “Download actual log file”
  • You can now disconnect your USB from the generator and connect it to your PC to view the data.

 

 

No! Generator OUT. When you apply gas or fog.

Safety guidelines

Ethylene is a colourless gas that does not smell at low concentrations. It is a simple molecule CH2 = CH2 , that is very volatile (4.2 x 10 6 Pa). At high concentrations above 2.7% (27000 ppm) it becomes explosive, but the Restrain Generator is not capable of reaching even a fraction of that concentration. Thus the use of the Restrain Generator can not lead to explosions. Note however that its fuel is flammable, no open fires (including smoking) or spar

Onion storage

Get set up

After you have dried and cured your onions, you can start with ethylene treatment.

Yes, in general we can say that our customers do not need to adjust their cold stores.

The Restrain Generator is placed inside your cold store during the whole storage period.

The cold store should not be too leaky. If the cold store is too open, it is impossible to maintain the required minimum levels of Ethylene gas during all the whole period.

With the Restrain Generator you do not need a so-called gas tight CA (Controlled Atmosphere) cold store. In case of CA store the Restrain Onion generator will be placed outside.

Start with ethylene

The success of Restrain is the simple and reliable system, that can be installed in your store in just 5 minutes. No store modifications are required.

Storage management & - unloading

You can load batches from your cold store at any time. The ethylene concentrations will be built up once the doors of your store are shut again.

Due to the slow respiration of ethylene out of the onions, you can open the doors at any time without any negative effects.

Safety rules & guidelines

Ethylene is a colourless gas that does not smell at low concentrations. It is a simple molecule CH2 = CH2 , that is very volatile (4.2 x 10 6 Pa). At high concentrations above 2.7% (27000 ppm) it becomes explosive, but the Restrain Generator is not capable of reaching even a fraction of that concentration. Thus the use of the Restrain Generator can not lead to explosions. Note however that its fuel is flammable, no open fires (including smoking) or spar

Seed potatoes

Content available soon…

Ripening

Content available soon…

Are you ready to use Restrain?

It's time to try ethylene gas