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MELFORM KOALA Use And Maintenance Manual

Refrigerated containers
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Table of Contents

USE AND MAINTENANCE MANUAL
REV0 30/7/2023 PBCA0113GB
KOALA
REFRIGERATED CONTAINERS
INDEX
1. INTRODUCTION
1.1 Field of application
1.2 Consulting the manual
1.3 Warranty
2. CAUTION
2.1 General recommendations
3. USE OF THE PRODUCT
3.1 First Use
3.2 Types of refrigerated containers
3.3 Installation
3.4 Commissioning
3.5 EVCO Controller – EVLINK Module – EVCONNECT App
3.6 Loading Instructions
3.7 Transportation Instructions
3.8 Instructions for prolonged non-use
3.9 Koala Cables – Connections and Specifications
4. MAINTENANCE
4.1 Washing Instructions
4.2 Defrost Instructions
4.3 Maintenance Instructions
4.4 Troubleshooting
4.5
Procedure to Resolve E1 or E2 Errors on the Temperature Controller
4.6 Replacing the Protective Fuse
5. DISPOSAL
5.1 Packaging
5.2 Disposal of the product in the territory of the European Union
6. REFRIGERANT GAS
7. CERTIFICATIONS
1

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Summary of Contents for MELFORM KOALA

  • Page 1 3.4 Commissioning 3.5 EVCO Controller – EVLINK Module – EVCONNECT App 3.6 Loading Instructions 3.7 Transportation Instructions 3.8 Instructions for prolonged non-use 3.9 Koala Cables – Connections and Specifications 4. MAINTENANCE 4.1 Washing Instructions 4.2 Defrost Instructions 4.3 Maintenance Instructions 4.4 Troubleshooting...
  • Page 2 Claimed performance for refrigerated containers may vary. IMPORTANT: To ensure the proper functioning of the refrigerated containers of the KOALA line, it is essential to ensure that the ambient temperature in which they operate never exceeds 45°C. Beyond this limit, the electronics of the enclosure may suffer irreversible damage.
  • Page 3 It should be noted that KOALA is an exclusive product of MELFORM. The manufacturer reserves the right to make changes to the characteristics of the models at any time without prior notice. In addition, it is possible that there may be variations in the color shades of the product.

  • Page 4: Use Of The Product

    • Do not store the container in cold rooms: the humidity in the air damages the electronics of the container, while the low temperature solidifies the oil in the engine. • It is recommended not to store the container at a temperature below 0°C. •...
  • Page 5 3.3 Installation For information on the technical data of the KOALA in use (power supply, absorption, protection fuses) refer to the data plate indicated on the refrigeration unit and to the product sheet available on the website www.melform.com...
  • Page 6 The temperature controller is programmed at the factory to a predefined set-point value depending on the Koala model, with an interval between switching the refrigeration unit off and on again at -1°C and +1°C respectively with respect to the set-point value.
  • Page 7 To change the set-point value: • press the SET button (Drawing 3 - C) for a few seconds: the word St1 appears on the display (Drawing 3 - B); • release the SET button (Drawing 3 - C): the current set-point value flashes on the display (Drawing 3 - B);...
  • Page 8 The module is a data-logger for the automatic storage of historical data that does not require any programming and is powered by the controller. The module is a Bluetooth BLE 4.0 (Bluetooth Low Energy) interface that records and transmits data to the Android Smartphone/Tablet device.
  • Page 9 • The function of Koala containers is not to heat or cool the products, but to ensure that they are properly kept at temperature. It is therefore essential to load the products inside the container at the desired temperature.
  • Page 10 - 3P cable length 2 m, section 0.75 mmq In the event that more than one Koala container is installed on the same vehicle, it is recommended to consult the Melform Sales Service to correctly evaluate the absorptions and cross-sections of the power cables, in order to ensure the correct operation of the entire system.

  • Page 11: Maintenance

    4. MAINTENANCE 4.1 Washing Instructions To ensure proper maintenance of the Koala container, it is recommended to carefully follow the following cleaning instructions: 1. Before cleaning, be sure to switch off the refrigeration unit by pressing the "0" button on the main switch 0/I (Drawing 3 - A).

  • Page 12: Routine Maintenance

    "Defrosting instructions". 4.4 Troubleshooting Below, in the table, are listed the main anomalies that could occur on the refrigeration unit of Koala containers, together with the possible causes and recommended actions for recovery. It is important to note that, if the product is still covered by the warranty, it is essential not to work on the refrigeration unit independently.
  • Page 13 ANOMALY POSSIBLE CAUSE TYPE OF INTERVENTION The refrigeration unit does not operate with a) Refrigeration unit not a) Connect the refrigeration unit to the 230V AC 230Vvac. 50/60Hz connected to 230V AC 50/60Hz power supply. Check and, if necessary, power supply 50/60Hz power supply replace the 230V AC 50/60Hz power cord.
  • Page 14 ANOMALY POSSIBLE CAUSE TYPE OF INTERVENTION b) Faulty temperature b) Check the temperature controller and replace it controller if necessary. The temperature controller displays numbers outside of the a) Faulty temperature a) Check the temperature probe and replace if standard numbering probe necessary.
  • Page 15 ANOMALY POSSIBLE CAUSE TYPE OF INTERVENTION The refrigeration unit has noise and strong a) Check the operating status of the fans and vibrations a) Noisy fans replace them if necessary. b) Motor unit not b) Check that the motor unit is properly fastened properly secured and reset if necessary.
  • Page 16 10. Press the "PRG" button for about 5 seconds to finish the procedure and save the changes. 4.6 Replacing the Protective Fuse The Koala enclosure is equipped with a protective fuse (15 A or 25A or 30A, depending on the version) on the 12Vdc DC line, located near the 12Vdc plug (Drawing 2).

  • Page 17: Refrigerant Gas

    These certifications confirm that the KOALA container is designed and manufactured in such a way as to guarantee the highest quality and safety in the transport and storage of perishable food products.

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