Service Manual - LDU15 & LCD15
Contents
1. BLUE G Y GREEN amp YELLOW EARTH SECOND EVAPORATOR FAN FITTED TO FSL 800L MODEL 4 LIGHT FITTING 1 INCLUDED AS AN OPTION TO FSL 400H 600H WITH GLASS DOOR 5 LIGHT FITTING 2 INCLUDED AS AN OPTION TO FSL 800H WITH GLASS DOORS SEE NOTE 3 EVAPORATOR FAN CONDENSER FAN FOSTER REFRIGERATOR U K LTD OLDMEDOW ROAD KING S LYNN NORFOLK 4JU COMPRESSOR DESCRIP TION TITLE WIRING DIAGRAM FOR FSL 40GH FSL 600H FSL 8G0H DRAVING NO 1 253345 00 1 SHEET 1 1 DRAWN BCALE DATE NIS 3 02 05 DP 070 DEVv E FORN NO WDG Low Temperature Models Wiring Diagram Using Foster Controller part number 00 555462 HEER ee D E F G a al SEN lt E 5 Le amp 8 amp 4 oe 5 GN 3 3 z eur 8 NOTES SEE NOTE 3 SEE NOTE 4 1 ALL CABLES 1 0mm UNLESS OTHERWISE STATED 2 CABLE COLOUR CODE BK BLACK BR BROWN RO RED BL BLUE G Y GREEN amp YELLOW EARTH 3 SECOND EVAPORATOR FAN FITTED FSL 800L MODEL 4 DEFROST HEATERS FSL 400 500 FSL 600L 600w __ FSL 10004 REY DESCRIP TION BY TITLE DRAMNG KLIXON NC 0 6 gt 20 0 0 lt 10 lt MRING DIAGRAM FOR By es 0 6 FOSTER REFRIGERATOR U K LTD FSL 400L FSL 6001 FSL 800 SHEET 1 OF 1 ER krins OLDMEDOW ROAD2. G Glass Door Model Ref FSL 400H FSL 400L FSL 800H FSL 800L 0 0 18 to 0 0 18 to Temperature range 1ct0 40C 24 1ct0 40C 94 Refrigerant R134a R404a R134a R404a Compressor 00 555664 00 555680 00 555667 00 555681 Part Number Capillary 3m x 042 2 5m 042 3m x 054 3m x 054 Timed Off f Timed Off Defrost Cycle Electric Cycle Electric Heat Output 680 1104 1300 1488 Extraction Rate 400 520 780 730 Voltage 220 1 50 220 1 50 220 1 50 220 1 50 Power Watts 280 584 520 758 Consumption Amps 2 1 3 8 3 6 4 1 Fuse Rating Amps 13 13 13 13 Controller Operation Operation Guidelines for Foster controller part number 00 555357 high temperature models When the controller is switched on single line appears on the display for 3 seconds to indicate the autotest period After this period the air temperature measured by the T1 probe is displayed after minute the compressor will start LDU 15 Controller 00 555357 Check temperature set point Important to note that the ability to increase and decrease the set point is not a function available to the user as the set point is fixed To make adjustments to the set point it is necessary to access the parameters and alter SPL and SPH accordingly Check set point by pressing the button EJ To increase set point press DE until required temperature is displayed To decrease set point press EJ until required temperature is displayed Factory Set Temperature Range Refrigerator
3. 1 C to 4 C Exit from set up occurs after 10 seconds if no button is pressed Manual Defrost To initiate a manual defrost press and hold simultaneously when La is displayed release both buttons On completion of the defrost will be displayed for further 5 minutes as set in DDY after which it will revert to displaying the normal cabinet temperature Alarm and Warnings High temperature alarm Will be displayed The alarm will sound but can be silenced by pressing any of the buttons however it will return after the pre set designated period The unit returning to normal operating temperature will automatically cancel the alarm Possible Causes Evaporator fan not working Restricted airflow through airduct Evaporator iced up Compressor not working Low temperature alarm Lo Will be displayed The alarm will sound but can be silenced by pressing any of the buttons and the unit will continue to operate however it will return after the pre set designated period The unit returning to normal operating temperature will automatically cancel the alarm Possible Causes Controller faulty not switching compressor off Air Temperature Probe Failure a Will be displayed The alarm will sound but can be silenced by pressing any button There is no further action that can be taken by the user in this instance During this period the unit will continue to operate but have a reduced performance with the compres
4. load Defective or incorrect temperature control Determine correct control and replace The temperature is not cold enough Controller is set at a very warm position Adjust to colder setting Condenser is dirty Clean condenser The refrigerator has been placed at an inadequate location The unit must not be near stoves walls that are exposed to the sun or places that lack sufficient air flow Compressor is inefficient or there is a high pressure due to the air in the system If there is air in the system purge and recharge gt PP Iced up evaporator coil Check temperature control refrigerant charge and defrost mechanism Remove all ice manually and start over Restriction in system Locate exact point of restriction and correct The refrigerator has been used improperly The shelves must never be covered with any type of plastic or other material that will block the circulation of cold air within the refrigerator Too many door openings Advise user to decrease if possible Excessive heat load placed in cabinet Advise user not to put in products that are too hot gt gt gt gt The refrigerator has been overcharged with the refrigerant gas Check to see if condensation or ice crystals have formed on the suction line If so charge with the correct amount of gas The refrigerant gas is leaking Find the location of gas l
5. KING S LYNN NORFOLK 4JU NAD NTS 25 02 05 CHECKED IN ACCORDANCE WITH OP 070 DEV E FORM NO WDB Troubleshooting Problem Possible Cause Solution Compressor will not start No voltage in socket Use voltmeter to check Electrical conductor or wires may be cut Use ohmmeter to check for continuity Defective electrical component thermostat relay thermal protector etc Replace defective component Compressor motor has winding open or shorted Measure ohmic resistance of main and auxiliary winding using ohmmeter Compare with correct values Compressor stuck Change compressor Temperature control contacts are open Repair or replace the contacts Incorrect wiring Check wiring diagram and correct Fuse blown or circuit breaker tripped Replace fuse or reset circuit breaker Power cord unplugged Plug in power cord Controller set too high Set controller to lower temperature Cabinet in defrost cycle Wait for defrost cycle to finish The temperature is too cold Controller is set at a very cold position Set to warmer position and check if the compressor stops according to controllers operating range Controller does not disconnect the condensing unit Check the insulation of the thermostat If problem persists change the thermostat Control contacts are stuck closed Change the control Check amperage
6. frequency being determined by site conditions The alarm will sound but can be silenced by pressing any of the buttons and the unit will continue to operate however it will return after the pre set designated period as set in parameter ATH The unit returning to normal operating temperature will automatically cancel the alarm Possible Causes Condenser fan not working Condenser blocked dirty Condenser obstructed Air Temperature Probe Failure EN Will be displayed The alarm will sound but can be silenced by pressing any button There is no further action that can be taken by the user in this instance During this period the unit will continue to operate but have reduced performance with the compressor running for 7 minutes and resting for 3 minutes as set in parameter CDC Action Replace Probe Evaporator Temperature Probe Failure Automatic Defrost Cabinets Only A Will be displayed The alarm will sound but can be silenced by pressing any button There is no further action that can be taken by the user in this instance During this period the unit will continue to operate satisfactorily with the defrost being controlled on a timed basis and not temperature which may have an effect on the overall efficiency if allowed to continue Action Replace Probe Parameter Setting and Adjustment It is strongly advised that before adjusting any Service Parameters a thorough understanding of the following instructions should be
7. obtained bball The parameters are accessed by pressing the following keys in succession EJAJ set and keeping them pressed for 5 seconds After this period the first parameter SCL will be displayed Press button to pass from one parameter to the next and button EXI to go back Press to display the value EX or to change it Exit from set up is by pressing or is automatic if no buttons are pressed for 30 seconds NOTE When receiving a replacement controller the unit will be set with the default settings Change the settings to those relating to the particular model After changing parameter SCL from 1 to 2 moving through parameters SPL SP FDD IISL IISP you may find that or will be displayed or indicates that the control setting is out of range To get the parameter back into range for example SPL press E3 to display the value continue pressing both buttons until the display shows the temperature required then release both buttons Use the same procedure to adjust all of the parameters displaying or Foster Controller part number 00 555462 Parameter list For models FSL 400L FSL 600L FSL 800L Wir Maximum set point 1 HYS Thermostat hysteresis ORT compressor resime o 30 _ CDC 10 min run cycle with PF1 0 10 CSD Compressor Stop delay after do
8. PROCUREMENT FOSTER gt SER 001 D OA Slimline Range FSL400 amp 800H with LDU15 Controller FSL400 amp 800L with LCD15 Controller QUA QU lt 5 lt 7 5 7 22 2 gt S gt UKAS DN 69 ENVIRONMENTAL SO 1400 ANAG 5 001 ISO 14001 ISO 9001 L FOSTER Service Manual Re Issued Version July 2010 Contents Manual Information amp Health amp Safety Notes 1 Environmental Management Policy 2 Disposal Requirements 2 Cabinet Description 3 Controller Operation LDU 15 4to5 Controller Parameter 5 Controller Operation LCD15 6 to 7 Controller Parameters 8 Wiring Diagrams 9 to 10 Troubleshooting amp Notes 111013 We assume by the information given that the person s working on these refrigeration units are fully trained and skilled in all aspects of their workings Also that they will use the appropriate safety equipment and take or meet precautions The service manual does not cover information on every variation of this unit neither does it cover the installation or Service Manual Information The products and all information in this manual are subject to change without prior notice where required every possible operating or maintenance instruction for the units Health amp Safety Warnings and Information Make sure t
9. cription The cabinets are manufactured as one piece foamed shell The condensing unit is located on the base of the cabinet The cabinets conform to ISO Climate Class 5 400c with 40 RH Temperature is controlled by microprocessor control with digital temperature display The refrigeration system is integral with an air cooled condensing unit with the refrigerant distribution into the evaporator controlled by capillary The cooled air is circulated through the evaporator via the fan into the storage area plastic vaporiser tray with the hot gas line inserted into it is provided for condensate vaporisation The FSL400 FSL600H and FSL 800 have a temperature range of 10c to 40c with a timed off cycle defrost The FSL400 L FSL600L and FSL 800 L have a temperature range of 180c to 210c with electric defrost set at 4 times per 24 hours The solid doors are fitted with pivot hinges recessed door handle and magnetic door gasket The glass doors are fitted with pivot hinges surface mounted door handle and magnetic door gasket On glass door models the interior light incorporating the on off switch is fitted to the top of the storage area at the front All models are fitted with lockable swivel castors to the front and swivel castors to the rear Nomenclature based on FSL Foster Slim Line 400 800 Net Capacity litres High Temperature L Low Temperature
10. d tighten loose part s Extreme condensation inside the refrigerator Controller is set at a very cold position Set the controller to a warmer position amp check to see if compressor stops as should The outside environment s relative humidity is very high over 75 This type of occurrence is caused by local climatic conditions and not by the refrigeration unit The refrigerator door wont shut completely Check the door and or the magnetic gasket Adjust the door hinges if needed replace the gasket if broken The refrigerator had been placed at an inadequate location The unit must not be near sources that produce too much heat No illumination Glass door models only The light switch is off position Press the light switch to on position False contact on the light switch the fluorescent tube or the ballast Inspect all connections Light switch ballast and or fluorescent tube are damaged Replace the damaged component Condensing unit runs for long periods of time Excessive amount of warm product placed in cabinet Advise user to leave adequate time for products to cool down Prolonged door opening or door ajar Advise user to ensure doors are closed when not in use and to avoid opening doors for long periods of time 2 Door gasket s sealing properly Ensure gaskets are snapped in completely Remove gasket and wash
11. e displayed The alarm will sound but can be silenced by pressing any of the buttons however it will return after the pre set designated period as set in parameter ATH The unit returning to normal operating temperature will automatically cancel the alarm Possible Causes Evaporator fan not working Restricted airflow through airduct Evaporator iced up Compressor not working Low temperature alarm 10 Will be displayed The alarm will sound but can be silenced by pressing any of the buttons and the unit will continue to operate however it will return after the pre set designated period as set in parameter ATH The unit returning to normal operating temperature will automatically cancel the alarm Possible Causes Controller faulty not switching compressor off Compressor secondary relay will not de energise Door Open Alarm Only applies to cabinets fitted with door switches Will be displayed The alarm will sound but can be silenced by pressing The display will continue to display the alarm message until cancelled by shutting the door After 1 minute the compressor will stop as set in parameter CSD Possible Causes Faulty door switch Door left open for more than 5 minutes as set in parameter ADO High Pressure Alarm Only applies to machines fitted with a condenser probe Will be displayed This alarm relate to the condenser which must be checked and cleaned at regular intervals the
12. eak in order to seal and replace the defective component Change the drier Perform a good vacuum and recharge unit evaporator and or condenser fans are not working Check electrical connections and make sure that the fan blade isn t stuck Replace the fan motor if it doesn t work Blocking air flow Re arrange product to allow for proper air flow Make sure there is at least four inches of clearance from evaporator Fuse blown or circuit breaker tripped Replace fuse or reset circuit breaker Electrical Shocks Wires or electrical components are in direct contact with metallic parts Check for appropriate insulation on the connections of each component A Noise The refrigerator is not properly levelled Check if the noise goes away after you level the refrigerator The condenser is not fastened correctly Copper tubing is in contact with metal While the compressor is working check to see if metal parts are in contact with one another and or if the screws that fasten the condenser are tightened The evaporator and or condenser fans are loose Check if the fans are securely fastened Also check if the fan blades are loose broken or crooked If so change the faulty blade Compressor has an internal noise If the noise persists after all other measures have been taken it may be originating from the compressor Loose part s Locate an
13. educe and eliminate its adverse environmental impacts wherever possible and has formulated an Environmental Policy outlining our core aims copy of the Environmental Policy is available to all contractors and suppliers upon request The organisation is committed to working with suppliers and contractors where their activities have the potential to impact upon the environment To achieve the aims stated in the Environmental Policy we require that all suppliers and contractors operate in compliance with the law and are committed to best practice in environmental management Product Support and Installation contractors are required to 1 Ensure that wherever possible waste is removed from the client s site where arrangements are in place all waste should be returned to Foster Refrigerator s premises In certain circumstances waste may be disposed of on the client s site if permission is given if the client has arrangements in place for the type of waste 2 If arranging for the disposal of your waste handle store and dispose of it in such a way as to prevent its escape into the environment harm to human health and to ensure the compliance with the environmental law Guidance is available from the Environment Agency on how to comply with the waste management duty of care 3 The following waste must be stored of separately from other wastes as they are hazardous to the environment refrigerants polyurethane foam and oils 4 When ar
14. he power supply is turned off before making any electrical repairs To minimise shock and fire hazards please do not plug or unplug the unit with wet hands During maintenance and cleaning please unplug the unit where required Care must be taken when handling or working on the unit as sharp edges may cause personal injury we recommend the wearing of suitable PPE Ensure the correct moving and lifting procedures are used when relocating a unit Do NOT use abrasive cleaning products only those that are recommended Never scour any parts of the refrigerator Scouring pads or chemicals may cause damage by scratching or dulling polished surface finishes Failure to keep the condenser clean may cause premature failure of the motor compressor which will NOT be covered under warranty policy Do NOT touch the cold surfaces in the freezer compartment Particularly when hands are damp or wet skin may adhere to these extremely cold surfaces and cause frostbite obe O0 gt gt gt Please ensure the appropriate use of safety aids or Personnel Protective Equipment PPE are used for you own safety Environmental Management Policy for Service Manuals and Duets Product Support and Installation Contractors Foster Refrigerator recognises that its activities products and services can have an adverse impact upon the environment The organisation is committed to implementing systems and controls to manage r
15. or open 0 30 per fa DLI Defrost end temperature FAN ELE GAS DAN onan downtime 30 _ 0 00 F YES 20 YES Jlow temperature alare o temperature aim 6 _ ATD Temperature alarm delay 0 120 borama Jo _ Condenser HP Alarm 0 70 Condenser cleaning 0 52 Minimum set point II pr fosostegueney i _ Door switch enabling VES OS2 Evaporator Probe offset 12 5 OS3 Condenser Probe offset 12 5 SIM Display slowdown 0 100 ADR Unit address 1 2 ELE NO 1 1 A 1 YES 3 ALR OS NON 25 20 EN YES YES NO YES NO fla m 3 5 min 5 flag 3 5 3 3 3 In flag A 3 3 5 5 o D 5 wks fla ms flag flag flag 3 5 flag flag 5 n VALUES ELE 2 2 2 ol cn on 5 2 NO YES YE 42 2 YES NO High Temperature Models Wiring Diagram Using Foster Controller part number 00 555357 SEE NOTE 5 SEE NOTE 4 MAINS SUPPLY NOTES 1 ALL CABLES 1 0mm UNLESS OTHERWISE STATED 2 CABLE COLOUR CODE BK BLACK BR BROWN RD RED BL
16. ranging for disposal of waste ensure waste transfer note or consignment note is completed as appropriate Ensure that all waste is correctly described on the waste note and include the appropriate six digit code from the European Waste Catalogue Your waste contractor or Foster can provide further information if necessary 5 Ensure that all waste is removed by a registered waste carrier a carrier in possession of a waste management licence or a carrier holding an appropriate exemption Ensure the person receiving the waste at its ultimate destination is in receipt of a waste management licence or valid exemption 6 Handle and store refrigerants in such a way as to prevent their emission to atmosphere and ensure they are disposed of safely and in accordance with environmental law 7 Make arrangements to ensure all staff who handle refrigerants do so at a level of competence consistent with the City Guilds 2078 Handling Refrigerants qualification or equivalent qualification 8 Ensure all liquid substances are securely stored to prevent leaks and spill and are not disposed of to storm drains foul drain or surface water to soil Disposal Requirements If not disposed of properly all refrigerators have components that can be harmful to the environment All old refrigerators must be disposed of by appropriately registered and licensed waste contractors and in accordance with national laws and regulations Slimline Cabinet Des
17. sor running for 7 minutes and resting for 3 minutes as set in parameter CDC Action Replace Probe Evaporator Temperature Probe Failure Not applicable to this model as evaporator probe is not fitted Clean Condenser Parameter ACC set to 0 so not applicable to this model Controller Set Up The parameters are accessed by pressing the following keys in succession set and keeping them pressed for 3 seconds Access to the parameters has been achieved with the first parameter SCL being displayed To pass from one parameter to the next press either the or key To display the value press set To change the value press set to increase or set to decrease Exit from set up by pressing or is automatic after 30 seconds if no buttons are pressed Foster Controller part number 00 555357 Parameter list For models FSL 400H FSL 600H FSL 800H Definition Max 22 VALUES JE N v U rir lt m 3 3 8444944 Minimum set point 11 Maximum set point 11 Set point 11 Thermostat hysteresis I Minimum compressor rest time 1 0 min run cycle with 1 7 Defrost frequency 11 1 24h En O SP DFR Display control during defrost OAU BAU EO SIM ADR K in in min min K igh temperature alarm K emperature alarm delay in ks K ondenser cleaning NON SBY Air probe offset H m m m W
18. w flag SBY Operation Guidelines for Foster controller part number 00 555462 low temperature models LCD 15 Controller Initial Start Up Start Up amp self Test The indication is only displayed during the first three seconds following the mains electrical power being applied to the unit During this period the controller performs a self check Once the self check has been completed the air temperature will be displayed after 1 minute the compressor will start Check temperature set point Important to note that the ability to increase and decrease the set point is not a function available to the user as the set point is fixed To make adjustments to the set point it is necessary to access the parameter and alter SPL and SPH accordingly Check set point by pressing the button LE To increase set point press LE until required temperature is displayed To decrease set point press UES until required temperature is displayed Factory Set Temperature Range Freezer 18 to 21 Exit from set up occurs after 10 seconds if no button is pressed Manual Defrost ES To initiate a manual defrost press and hold re when der is displayed release completion of the defrost rec will be displayed until the cabinet temperature is achieved after which it will revert to displaying the normal cabinet temperature Alarm and Warnings High temperature alarm Will b
19. with soap and water Check condition of gasket amp replace if necessary Dirty condenser coil Clean condenser coil Evaporator coil iced over Unplug unit and allow coil to defrost Make sure thermostat is not set too cold Ensure that door gasket s are sealing properly Select manual defrost and ensure system works Notes FOSTER Foster European Operations France Foster Refrigerator France SA Tel 33 01 34 30 22 22 Fax 33 01 30 37 68 74 Email commercial fosterfrance com Germany Foster Refrigerator Gmbh Tel 49 781 990 7840 Fax 49 781 990 7844 Email info foster gmbh de Foster Refrigerator Oldmedow Road Kings Lynn Norfolk PE30 4JU Tel 0843 216 8833 Fax 0843 216 4707 Website www fosterrefrigerator co uk Email support foster uk com a Division of ITW UK Ltd SLIMLINE LCD15 amp LDU15 SM 07 10
Download Pdf Manuals
Related Search