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Related Manuals for Premium PFR231XW
Summary of Contents for Premium PFR231XW
- Page 1 Service Manual for chest freezer PREMIUM MODEL PFR231XW PRF230XY...
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Page 2: Table Of Contents
Content Table （一）Main feature and product appearance---------------------2 （二）Unit Specification----------------------------------- 3 （三）Safety during maintenance or service ------------- 3 （四）Electrical Diagram ------------------------------- 4 （五）Cooling System Diagram --------------------------- 5 （六）Part Lists and explanation ---------------------------- 5 （七）Disassembling and replacing of the components ---------6 （八）Check the breakdowns of the cooling system --------------7 （九）Table for quick answer for the field problem ------9 （十）Note of the cooling system maintenance with R134a refrigerant -------------------------------13... - Page 3 Accessory Structure for the door Front, Left right back side shell made metal with aluminum internal tank. and unitary PFR231XW Tempered glass seal. baskets plastic linear door inside mouth. It has inside hidden evaporator and condenser, and unitary foaming insulation.
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Page 4: 二）Unit Specification
(二)、 Unit Specification： Model PFR231XW Net Capacity（L） 636L Voltage（V） Frequency（Hz） Refrigerant R134a Refrigerant Amount (g) 230g (三)、Safety during maintenance or service: In order to be safety during maintenance, must obey the following basic attention: 1. During service: Pay attention to the flame or ignition nearby, particually after welding using gas too, must turn off the flame first, then can do other maintenance work, because the refrigerant will produce the toxic air when it touch with flame, sparkle or capacitor. -
Page 5: 四）Electrical Diagram
9．Pay attention to the child or infant nearby: When maintenance, don’t let the child or the infant nearby. 10．Cleaning: After service, do the necessary cleaning work and tell the customer the necessary precaution. (四)、Electrical Diagram Electrical diagram for PFR231XW... -
Page 6: 五）Cooling System Diagram
(五) 、Cooling System Diagram: Capillary Dry Filter Condenser Evaporator Air Suction Pipe Compressor... -
Page 7: 六）Part Lists And Explanation
Note: Arrow direction means the flowing direction of the refrigerant. （六） 、Part Lists and explanation： PFR231XW Parts Name Quantity Door Hinge Basket Freezer Cabinet Thermostat cover Compressor base Condensate Water Drain cap Fixing feet （七） 、Disassembling and replacing of the components: When replacing the components, must unplug the unit first, in order to be safety. -
Page 8: 八）Check The Breakdowns Of The Cooling System
charge the correct amount refrigerant into the system from low pressure side pipe. After this, run the unit to check the cooling performance is ok or not, then weld and close the technical pipe. （八） 、Check the breakdowns of the cooling system： Following the next illustration to check the problem:... - Page 9 Problem and check point Cause Solution Compressor On the R epai r t he w el di ng, C ut of f t he l ow pr essur e Leakage Vacuum i ng and Leakage R ef r i ger ant pipe joint cl ean t he pi pe and pi pe and spur t out t he...
- Page 10 Check the frost on the cabinet liner surface, if find like following: 1) No frost, then do the leakage detecting. A). If the leakage point is found, then first cut off the low pressure pipe to discharge the left refrigerant in the system, then clean the pipe, replace with a new dry filter and welding again, again recharge the refrigerant and do the leakage detecting.
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Page 11: 九）Table For Quick Answer For The Field Problem
（九） 、Table for quick answer for the field problem： Item Phenomenon Check point and the detail Caused by power Field power supply supply is cut off. neighbor house Power indicator is other Main fuse is cut Check that other appliances off. - Page 12 Measure insulation resistance meg-ohm meter, The winding is if the insulation burnt. resistance < 1 MΩ,the unit can’t be used for long time. The voltage is Compressor too low. can’t start Power supply voltage (Maybe lower because of under than 175V) voltage.
- Page 13 runs but Thermostat is set at higher temperature Set it to lower cooling (lower digit)? temperature effect is not There is too more food in cooling Too more food good. compartment, too crowded, ensure good air circulation inside freezer Hot temperature food temperature Is there high temperature food, like hot...
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Page 14: 十）Note Of The Cooling System Maintenance
Check the electrical parts touch with the Electricity metal enclosure or not, and the grounding leakage lead is not grounded properly Check it have static electricity influence Static electricity influence There is sound Check the compressor has abnormal Compressor inside compressor sound or not. -
Page 15: 十一）The Performance Testing Requirement After Service
Special requirement during service process： (a). Duration of from opening of compressor to vacuuming process must be less than 10 minutes, and for other parts not more than 12 minutes. (b)． Vacuuming duration should not loess than 20 minutes. (c)． If refrigerant leakage happens, it need to replace the compressor. Before welding, dry the cooling system by the nitrogen air. - Page 16 5、Leakage checking： After running for 24 hours, check one by one of welding point by using halogen leakage detecting device or suds. If leakage happens again, then should service again. （十二） 、Maintenance parts list： Parts name PCS/unit Note Compressor Thermal protector compressor PTC starter...
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