Refrigerated FAQ

We’re specialists in Container Sales and Hire so know pretty much everything there is know about Refrigerated Containers, so we’ve put together a list of the most asked questions so you can know almost as much as we do. Just click on the questions below to reveal the answers and if you don’t see an answer to your question then just ask us!

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Can the temperature be recorded on a refrigerated container?

Marine units normally have a Partlow chart (like a taco graph on lorries). If you wish to use this to record the temperature of your refrigerated container it is important to mention it at the time of purchase as otherwise, given that not many people use this facility, we cannot guarantee that it will have been tested and work accurately. Alternatively, some controllers have the facility to download information via a laptop equipped with the appropriate software programme. Again, should you require this facility it is important that you mention it at the time of purchase.

How is the temperature displayed on a refrigerated container?

All controllers on refrigerated containers have a display that will show the set point and running temperature.

What plug do I need for my refrigerated container?

This depends on what your power socket requires on site. Our containers are generally fitted with 4pin marine standard plugs which can be easily changed by a qualified electrician to suit your own power socket. This is the purchasers’ responsibility as there are so many different types and makes of plug around but should you have your refrigerated container commissioned through us our electrician will be happy to help.

What length is a cable on a refrigerated container?

On average the length of cable is 18 metres but this varies depending on the type of machine.

What refrigerant do you use?

There are many types of refrigerant but the one generally used in our machines in R134a.

I don’t have a 3 phase electricity supply; can I still run my refrigerated container?

Some refrigerated containers have been adapted to run from the single phase domestic electricity supply. These are normally more expensive than the 3 phase models due to the additional work involved in converting them. Alternatively, all refrigerated containers can be run off diesel powered gen-sets which clip onto the front of the machine.

What power does a refrigerated container require?

Most marine units run on 3 phase electricity. The actual requirements depend on the type of machine i.e. Carrier, Thermoking, Daikin, Misubishi, Zanotti etc., the ambient temperature, set point of the machine and the product placed inside. But to give an idea based on a Carrier machine set to chill in this country it would require 40/60 amps per phase on start up and on running will pull between 10/15 amps.

How often should a refrigerated container be serviced?

We would recommend a service every 6 months but it does depend on where the unit is sited as dirt/dust will affect the operation of the unit if not cleaned out regularly. If you are siting the container in, say, a sandy, desert environment we would recommend a much more frequent servicing programme. The servicing interval can also be dependent on what a unit is storing as chill is less work for the machine than freezing for example.

Why do I need to have my refrigerated container commissioned?

Although we always check that the container is running smoothly at the depot before it leaves it is a good idea to have the container rechecked by a qualified electrician when on site in much the same way as you would have a boiler commissioned at home. The electrician can also resolve any issues as to the type of plug you require, and do any additional wiring that might be needed.

How should a refrigerated container be loaded for maximum efficiency?

The products should be stacked at least a foot away from the front panel (which is the end opposite the doors!) and at least a foot from the ceiling for maximum efficiency. This allows the airflow to pass under the product (through the t-bar flooring) and up by the doors, before passing over the top and back down again. It is important to remember that a refrigerated container is designed to maintain the temperature of the goods placed inside rather than to blast freeze them.

How do I site my refrigerated container?

As with any shipping container it is important that it is sited on a level surface in order the doors can open easily. This is especially important with a refrigerated container as the motor that maintains the temperature must be kept level for safety reasons. Sometimes it can be helpful to place the container on sleepers or slabs to level up any minor discrepancies. Whilst it is the responsibility of the purchaser to make sure that the site is prepared, our drivers will be happy to help wherever they can to make sure the container is properly placed.

CS Shipping Containers, Battisford, Nr. Stowmarket, Suffolk, IP14 2HQ | Tel: 0800 043 6311 | Fax: 01449 723189 | Email:

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