REFRIGERATION


Preventive Maintenance Any refrigeration system with a blocked condenser, leaking refrigerant, faulty door seal or incorrect defrost settings (to name just a few issues), works the components harder than they were originally designed to. Ultimately, this can cause operating failures and increase the amount of energy being used.


We recommend that you take out a service or maintenance contract with a local reputable refrigeration engineering company. Most businesses in the food and drink industries will have a long-standing relationship with a reputable refrigeration company who provide a full cleaning, monitoring and maintenance service which includes: • • •


cleaning of the condenser


periodical checks of the refrigerant charge checking complete cycle operation


• electrical safety


CRAFTBUTCHER l JULY/AUGUST 2017 19 KEY POINTS TO REMEMBER


Routine cleaning and maintenance is essential for all storage and display refrigeration.


The manufacturers operating and


installation manuals provide essential information.


We recommend that all storage and display refrigeration is inspected and serviced regularly by a qualified refrigeration engineer.


Positioning of Commercial Refrigeration It is important that the appliance is positioned correctly, as incorrect positioning can cause damage to the refrigeration system and affect the performance of the cabinet. Before switching on the refrigeration system, you should check: • position the refrigerated cabinet keeping a minimum distance of 3-4 cm from any wall • position the refrigerated cabinet away from heat sources • avoid exposure to direct sunlight • avoid drafts from doors and air conditioning units • ensure adequate airflow above the compressor unit • ensure all polyethylene, cardboard or wood packaging is removed


It is important to ensure that the ambient air temperature of the room, where the cabinet is positioned, is in line with the manufacturers guidelines. Failure to follow these guidelines will invalidate the manufacturer’s warranty.


MONITORING COMMERCIAL REFRIGERATION


The product manufacturer’s operating and installation manuals provide essential information. We recommend that you read this information thoroughly before using each new piece of equipment and then refer to manuals on a regular basis. Failure to do so may invalidate your warranty.


User manuals will give specific instructions on how to carefully access key areas for routine cleaning. If the manual has been mislaid then contact the company who supplied the equipment or the manufacturer directly.


In line with food and drink safety guidelines, it is important to measure and monitor the temperature of all refrigeration equipment. Do not rely on readings from the controller.


We recommend that independent readings are routinely taken with a separate temperature probe, at various points within the cabinet. Cabinet temperatures should be recorded in line with your food safety procedures.


OPERATING ISSUES COMMERCIAL REFRIGERATION


Often operating issues will become apparent during hot weather and during busy periods. This is usually due to: • ambient air temperatures and humidity becoming higher than specified by the manufacturer • more products being stored or displayed • doors are more frequently opened


Therefore, it is important to: • avoid opening doors unnecessarily and use plexi glass panels on serve over counters • ensure the frequency of cleaning and maintenance activities take place as highlighted above • ensure periodic checks and regular servicing by a qualified refrigeration engineer takes place • ensure the correct installation and positioning of the appliance • ensure the cabinet is being used in line with manufacturers guidelines


Please remember, failure to keep on top of this activity will invalidate the manufacturer’s warranty. Call or email us if you require any more information or advice.


www.angelrefrigeration.co.uk • sales@angelrefrigeration.co.uk • 01327 810370


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