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Fridges and freezers

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1. putting a lit when door is shut torch into the fridge or freezer Close the door and check for any leakage of light through the seals Test top seal and lower door seal Seals by aligning sheet of paper with door Cleaning Carcass amp seals The seals interior and exterior Cleaning materials such as diluted surfaces and shelves and salad bleach should be used compartments bowls and internal floor surfaces shall be cleaned to remove any food residue that could degrade and develop into bio hazards Further information and relevant equipment De gassing and re gassing should only be performed by qualified cooling engineers City amp Guilds and will require specialist equipment including cylinders and valves Thermostats will be needed to check temperature and a torch to check seals All former user identification e g asset tags portable appliance test stickers company logos etc should be removed Manufacturers brand labels and rating plates should not be removed If any process fails the unit may require disassembly and or repair Identify any hazards risks and controls before the appliance disassembled to reduce risk Where replacement components are required to replace a missing or faulty component such replacements must not impair the product safety The appliance should then be retested for safety and for function While we have tried to make sure this guide is accurate we cannot accept responsibility or be he
2. Working together for a world without waste PAS 141 Protocol Product Guide July 2013 Fridges freezers and fridge freezers The protocol below describes a series of minimum tests that should be performed on fridges freezers and fridge freezers in order that the product can be considered functional and fit for re use The equipment should pass these tests in order for it to be considered suitable for re use and the outcome should be recorded for auditing purposes This protocol should be used within the framework of PAS 141 for re using electrical equipment The tests are general in nature so that the protocol can be applied as widely as possible Asa consequence specific testing procedures and techniques are not described and appropriate equipment should be used to complete the described protocols Scope This protocol focuses on all domestically used refrigeration units fridges freezers and fridge freezers for the storage of perishable food and drink items The original equipment manufacturer s user manual should be used where available to ensure the equipment functions as originally intended Test procedure In addition to the specific tests inspection of the electrical and electronic equipment prior to use should be performed to ensure compliance with the law For example all equipment should undergo Portable Appliance Testing to ensure electrical safety Inspection of the cosmetic condition of the equipment should also be p
3. erformed to ensure that the external casing is not damaged in such a way that could affect the future performance of the product e g a crack in the casing that could lead to degradation of the internal components 1 Sources include the FRN re use protocols Preparation process Visual inspection Components mountinc Shelving and salad compartments bowls Refrigerant blowing agent and compressor motor Safety Plug and lead Examine the plug insulated and cables lead cables Function test Light Thermostat Temperature control Test Check the motor and mountings are securely in place handles door checked to ensure it closes securely operational Check that all shelves racking amp glass fit properly and are not cracked or undamaged Check all salad compartments bowls are present and fit properly and are undamaged Feet Check all four feet Feet are all present and can be rotated to level appliance Check rating plate for details of gases used and record on report Check matrix at back of unit for signs of damage leaks Check compressor motor for signs of oil leaks Checking piping intact Check internal lamp light bulb is in working order Switch on the appliance Set thermostat s to the midway setting Check that the thermostat is on once the fridge has cooled to the selected temperature Load the fridge to make the compressor work e g fill old plastic bottl
4. es with water Place thermometers in freezer compartment and on top shelf of the fridge compartment Ensure that the fridge reaches an operating temperature of 0 to 5 C Ensure that the freezer can cool to the following temperatures according to the star rating 18 C for three star 12 C for two star 6 C for one star Test should be run for 12hrs to ensure that all cooling functions are satisfactory and that over freezing etc does not occur Appliances with auto defrost should be set to defrost and run for minimum of 12hrs Test results All parts undamaged and mountings secure All internal components fit correctly Rating plate should be present and readable If any leaks are detected in the matrix or compressors apply epoxy resin and tape and dispose of at appropriately licensed facility All in good condition sleeved with correct fuse correctly and securely connected The light works on opening the door The fridge freezer cools to the required setting When the appliance reaches the set temperature the thermostat interrupts the electricity flow to the compressor which stops compression The compressor starts and cooling begins Correct temperature achieved for both fridge and or freezer compartments Auto defrost function in freezer or ice box should perform correctly with all ducts and channels cleared Preparation Components Test Test results process C
5. ld legally responsible for any loss or damage arising out of or in connection with this information being inaccurate incomplete or misleading This material is copyrighted You can copy it free of charge as long as the material is accurate and not used in a misleading context You must identify the source of the material and acknowledge our copyright You must not use material to endorse or suggest we have endorsed a commercial product or service For more details please see our terms and conditions on our website at www wrap org uk Waste amp Resources The Old Academy Tel 01295 819 900 Helpline freephone Action Programme 21 Horse Fair Fax 01295 819 911 0808 100 2040 Banbury Oxon E mail info wrap org uk OX16 OAH www wrap org uk eproducts C recycle
6. ompressor gas Check that the compressor starts The system does not leak system up and continues running Check for signs of leaks If any external leaks are detected in the matrix or compressors apply epoxy resin and tape and dispose of at appropriately licensed facility If temperature test passes there is no need to de gas the appliance and re gas An internal leak may be confirmed by applying a vacuum to the system Check vacuum gauge a leak can be determined by a rise Any internal leaks may be repaired and the appliance re gassed and tested again After 10 minutes check compressor cool Check condenser warm Water ice Check that water supply is Water supply is connected and dispensing system connected to inlet valve on water is dispensed at a suitable refrigerator and that water flows flow rate from the dispenser Cubed and crushed if feature is Check that ice dispenses from the present ice should be dispensed bucket Door seals Thoroughly check seals channels Door seals should be clear of and remove any debris grit debris and undamaged and intact with all seals in contact with Check carefully for bulges which main carcass may indicate foreign objects knife tips needles etc No light should be visible when the door is shut Check all door seals are present and not damaged cut and are Paper should remain in situ operating properly by

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