ATP TESTS for Refrigerated Equipment with liquified gas system with 1- 2 and 3 compartments Test No Configuration Compartments temperatures Capacity measurements (in watts) Est .Duration   C1 C2 C3 C1 C2 C3 Total 4hS+4h FC 1 Compartment 1 only 0°c 7200 7200 4hS+4h FC 2 Compartment 1 only -20°c 7200 7200 4hS+4h FC 3 Compartment 1 and 2 0°c 0°c 7200 7200 14400 4hS+4h FC 4 Compartment 1 and 2 -20°c -20°c 7200 7200 14400 4hS+4h FC 5 Compartment 1, 2 and 3 0°c 0°c 0°c 7200 7200 7200 21600 4hS+4h FC 6 Compartment 1, 2 and 3 -20°c -20°c -20°c 7200 7200 7200 21600 4hS+4h FC 7 Compartment 1, 2 and 3 0°c 0°c -20°c 7200 7200 7200 21600 4hS+4h FC 8 Compartment 1 and 2 0°c -20°c 7200 7200 21600 4hS+4h FC

Note: Duration = S for stabilisation - FL for Full Capacity - During the 4 hours of stabilisation, the distribution of temperatures will be measured in the compartment (mainly in the C1) - The nitrogen consumption will be measured during all these tests.The outside temperature is 30°c during the test. In addition we will make a heating test, the heating system will be installed in box C1 and we can proceed to a heating test between test 4 and 5 or between 6 and 7 to heat the compartment 1, stabilize automatically first with heating and after in cooling...)

ATP TESTS FOR ECOFRIDGE LIQUID NITROGEN REFRIDGERATION SYSTEM
The protocol has been defined by Cemafroid according the table, (scan of Cemafroid test table proposal). The 8 tests listed in the tables attached have been completed this week.

The goal of this memo is just to give the main findings:
The results are as expected, meaning that each of the sprayers (in each compartment there is one identical sprayer) can produce a maximum average of 7200 watts, whatever the number of sprayers in action. The consumption for this capacity is about 80 litres of Liquid Nitrogen per hour.

This means that, with this technology, the capacity of each compartment is independent of the other compartment, whatever happens in the other compartment. In addition, this capacity is independent of the ambient temperature. This is not the case with a diesel-compressor system. In multi-temperature configuration, we can now compare the Liquid Nitrogen technology to the “diesel-compressor “technology:

For a diesel-compressor system, the useful capacity of an evaporator in a compartment is dependant upon the load in the other compartment. It is usually estimated that:

1. For a 2 compartment system, the useful capacity of an evaporator is about 70 to 80% of its full individual capacity in one compartment configuration.

2. For 3 compartments, the useful capacity of an evaporator is about 60 to 70% of its full individual capacity in one compartment.

I made a comparison table between an ecoFridge system and a typical Diesel Compressor system in truck and trailer configurations. (See attachment) This table is showing these differences.

Temperature in the box: During test n regulation, at low load, the temperature in the boxes has been measured according the ATP standards, this means 10 sensors distributed in the box. In the bigger box (length: 4.5 m, width: 2 m, height: 1.9m) the temperatures of the air was around the set point in a delta T of 2 to 3°c, which is very good.