Undercounter Cabinets, Space Savers & Prep Tables with BIT25
Contents
1. WITH L L H t B La T4 x q EL 2 Tle Z di se se y xl e 2 2 x z BH z 3 3 3 Li Lu J aj k H g p f 3 i su Mec r ET 54 4g HEATE CABLE COLOUR DEPENDENT UPUH MODEL B r Jat Et JN 7 ALL CASLE limma UNLESS OTHERWISE STATED a elg 16 iG CABLE COLOUR CIDE gt 7 gt BED GREY GHEY YELLOW WH HITE OR ORANGE ALL EARTH WIG BE GREEM YELLOW CIRCUIT SHOWN 0 pe 01 271372 00 311 5 i FOSTER REFRIGERATOR LTD UHDERCOUHTER MODEL RANGE JESTER En M ow x OLDMHIMT MTS 16 05 LINN NORFOLE PEM HU HERA MODELS USTOM o o dm Troubleshooting Problem Possible Cause Compressor will not start No voltage in socket Use voltmeter to check cut continuity Defective electrical component thermostat relay thermal protector etc Measure ohmic resistance of main and auxiliary winding using ohmmeter Compare with correct values Compressor stuck Change compressor a control contacts are ECTS2. 2 and FTS Evaporator fan mode during thermostatic control NON Fan s run continuously subject to door amp defrost EDT 12 0 0 difference for fans to turn off after compressor stopped Only if T2 YES and FCM Temperature differential for evaporator fan restart FDH 1 12 0 3 Only if T2 YES and FCM 120 sec Minimum evaporator fan stop period following door opening etc aom Timed fan stop following ES With FT2 0 the fans remain on all the time Timed fan run following FT2 With FT3 0 amp gt 0 the fans remain off all the time 02 O n ojo 3 7 O 30 mi Alarm threshold configuration All temperature alarms are inhibited the following parameter will be ADO ATM ABS The value set in 8 represent actual alarm setpoints REL NON The values set in ALR 8 AHR are alarm differentials which REL relate to SP and SP HYS the following parameter will be Delay before door open alarm warning only when DI2 8 Operation in case of high condenser alarm if DI2 T3 and High condenser temperature alarm inhibited NON Condenser warning HC displayed alarm sounds As ALR with compressor stopped and defrosts suspended Condenser clea
3. 8 8 8 8 8 8 8 AHM Operation in case of high condenser alarm if 012 T3 and 73 CND NON NON NON NON NON NON NON H C ISL IIDF Switchover method to second parameter set Minimum limit for IISP setting Maximum limit for IISP setting 1 65 NON NON 1 1 1 Temperature setpoint to be achieved in 1 1 3 NON NON 6 On thermostat differential in Mode 2 Evaporator fan mode during Mode 2 thermostatic control T N 6 N ES N 2 REL 3 EN 5 5 5 nimm 8 NON A NN NON NON NON a s NON NON NON 1 Time interval between defrosts in Mode 2 NON NON NON e e lt Standby button operation Condenser alarm temperature if DI2 T3 Configurable digital input 1 operation NON NON NON NON NON NON NON NON NON Configurable digital input 2 operation NON NON T8probe function only when 73 psp DSP DSP DSP DSP DSP DSP_ temperature offset only when Di2 73 Jol o o o o o PSL Minimum setpoint adjusted by potentiometer only when DI2 PSP 212 2 2 2 2 2 2 2 PSR Range of setpoint hysteresis for potentiometer only when DI2 PSP 10 10 10 10 10 10 10 10 1
4. Set point Display and modification Press button and hold to display the By keeping button pressed use button or to the desired value adjustment is within the minimum SPL and the maximum SPH limit e When button is released the new value is stored Standby When pressing the button for 3 seconds will allow the controller to be put on a standby or output control to be resumed with SB YES only When on Standby will be displayed Keypad Lock The keypad lock avoids undesired potentially dangerous operations which might be attempted when the controller is operating in a public place In the INFO menu set parameter amp YES to inhibit all functions of the button To resume normal operation of keypad adjust setting so that NO Selection of second parameter group It is possible to select control parameters between two different pre programmed groups in order for the fundamental control parameters to be adapted to changing needs Changeover from Group Group II and vice versa may take place Manually by pressing for 2 seconds with or Automatically when IISM D12 and the Auxiliary Input 012 is activated the activation of D12 selects Group 11 If NON switchover to Group Il is inhibited The activation of Group ll is signalled by the lighting up of relevant LED on the controller display Defrost Automatic Defrost excluding LR150 amp LR410
5. Reference norms EN60730 1 EN60730 2 9 EN55022 Class EN50082 1 Configuration Parameters To get access to th e With button S configuration menu press for 5 seconds or select the parameter to be modified Press button HU and hold briefly to display the value On releasing the button the controller will then show the next parameter Bykeeping button pressed use button n to the desired value On releasing the button the controller will store the amended value and then show the next parameter l from the setup press button SJ or wait for 30 seconds Default Controller Parameter Settings Parameter Rame a Minimum limit for SP setting gt Maximum limit for setting 11 ines _ REF HER Refigrton or Heating onvol mode AEF 20 Thermostat run time with faulty 1 probe min CT1 0 output with faulty T1 will always be off 20 Thermostat off time with faulty 1 probe min CT2 0 amp CT1 gt 0 output with faulty T1 will always be Compressor stop delay after door has been opened CS 30 min Only if DS YES EE Defrost start mode DFM NON Defrost function is disabled the following parameter will be Regular time defrost FRO Defrost time elapses only in condition of frost accumulation om TUP von
6. All Ranges The cabinets are manufactured as a one piece foamed shell with the condensing unit located on the base of the cabinet All the cabinets conform to ISO Climate Class 4 32 c with 40 RH and have their temperature controller by a LAE microprocessor controller with digital temperature display Undercounter The doors are fitted with pivot hinges integral door handle situated at the front centre and magnetic door gasket All models are fitted with 4mm roller castors to the rear and M8 adjustable levelling bolts at the front On the glass door models the interior light is fitted to the top of the storage area at the front The on off switch is incorporated into the light Prep Tables The doors are the same as the above undercounter but these units also combine a worktop for food prep with a back section that holds pans for food with a hygienic stainless cover Space Savers Are the same as the undercounter range but as the title describes are made for the kitchen without a lot of space and or tight areas HR and LR 120 200 240 and 360 models refrigeration systems are integral with an air cooled condensing unit The refrigerant is distributed into the evaporator which is controlled by a capillary All these units have forced air cooling which is where the air is circulated through the evaporator via the fan s then into the storage area The HR150 A also have forced air cooling but instead the air is drawn over the evaporator and the
7. Check wiring diagram and correct 2 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 Set to warmer position and check if y the compressor stops according to position controllers operating range Check the insulation of the thermostat If problem persists change the thermostat Change the control Check Control contacts are stuck closed amperage load Defective or incorrect temperature Determine correct control and control replace The temperature is not cold Controller is set very warm Adjust to colder setting enough position The refrigerator has been placed at 9 walls that are exposed to the sun or an inadequate location places that lack sufficient air flow Compressor motor has a winding open or shorted The temperature is too cold Controller does not disconnect the condensing unit Compressor is inefficient or there is a high pressure due to the air in the system there is air in the system purge and recharge Check temperature control refrigerant charge and defrost mechanism Remove all ice OA Iced up evaporator coil manually and start over TER Locate exact point of restriction and y correct The shelves must never be covered The refrigerator has been used with an
8. Defrost starts automatically as soon as the time set with parameter DFT has elapsed Time Defrost With DFM TIM defrost takes place at regular intervals when the timer reaches the value DFT For example with DFM DFT 06 a defrost will take place every 6 hours e Optimized Defrost With DFM FRO the timer is increased only when the condition for frost to form in the evaporator occurs Once the DFT value is reached defrost takes place If the evaporator works at 0 C defrost frequency depends on the thermal load and climatic conditions With setpoints much lower than O C defrost frequency mainly depends on the refrigerator operating time e Defrost time count backup At the power up if DFB YES the defrost timer resumes the time count from where it was left off before the power interruption Visa versa with DFB NO the time count re starts from 0 In stand by the accumulated time count is frozen Defrost type Once defrost has started compressor and defrost outputs are controlled according to parameter DT Y If FID YES the evaporator fans are active during defrost Defrost Termination Time termination T2 NO the evaporator temperature is not monitored and defrost will last as long as time DTO Temperature termination T2 YES In this case if the sensor T2 measures the temperature DLI before the time DTO elapses defrost will be terminated in advance Resuming Thermostatic Cycle When defrost is over if DRN is greate
9. On mode SB YES ALO ALC osi 125 1296 DM T2 probe enabling T2 T2 probe enabled NO T2 probe disabled OS2 12 5 12 5 C Evaporator temperature probe T2 offset 30 min Delay for min TLO max THI temperature logging Readout scale Range 50 110 C 0 1 C resolution within 9 9 to 19 9 C SCL 2 C 2 C Range 50 110 C Range 58 180 F SIM 0 100 Display slowdown ADR 1 2259 BIT25 address for PC communication Tl 5 1 11 Individual Model Parameter Settings Parameter Description LRB120 Q tn c lt lt eo 21 M es 2 I HR200 amp 360 Starbucks LR200 amp 360 e lt N e N T I 360 with Light LR140 150 A LR120 240 amp lt xX LO w S y tt oc 140 150 200 360 HR200FT amp 360FT C D E F GH Minimum limit for SP setting 17 Maximum limit for SP setting 3 3 3 CH Refrigeration heating control mode REF REF REF REF REF REF REF REF REF WS OffOmostdfeemd 3 3 3 ORT Compressorrestime 2 2 2 a cn Temosann mewihfalyTipoe 6 e e 6 6 6 6 Orb Tmosaof mewihfauyTipobe 4 4 4 4 4 4 Compressor
10. reduce and eliminate its adverse environmental impacts wherever possible and has formulated an Environmental Policy outlining our core aims A 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 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
11. stop detay after door has been opened 1 t 5 it prt Tmeiewabewendenss 9 8 6 6 DEB Detos mecok ves YES YES YES YES YES YES YES YES Di Betosendtmperaue 18 15 15 15 15 40 15 DIO Mamumderosduaion D OFF OFF OFF OFF OFF OFF OFF DPD Evaporator pump down Timed pause atstat of deros o o 0 0 0 PORN DM Defosdspaymode DEF DEF DEF DEF DEF DEF DEF DEF DDY Dewosdspaydeaypeiod 50 10 10 10 10 10 10 10 10 1 Evaporator fan mode during thermostatic control NON difference for fans to turn off after compressor stopped 1_ Temperature differential for evaporator fan restat 3 Minimum evaporator fan stop period following door opening etc 20 Fan stop delay after compressor stop 15 15 15 15 15 15 o 010 REL FDT FDH FDS T Timed fan stop following FT1 0 0 Timed fan run following FT2 2 gt 2 2 High temperature alarm threshold the following parameter will be FT2 FT3 ATM ALA AHA ALR 2 Alarm threshold configuration REL REL 3 5 _ s s s s s 2 E 3 5 5 L 1 _8_ ADO Delay before door open alarm warning only when DI2
12. 0 T C 3 SB 012 5 3 5 5 1 5 1 1 1 3 ON 2 0 13 Potentiometer standby enabling operation only when 012 PSP LSM Light control mode if OA1 107 NON ON Amiay Relay 1 Operation NON Om Amiay Reley 2 Operation FAN FAN FAN FAN FAN FAN FAN FAN 010701010 OS1 Air temperature probe T1 offset T2 T2 probe enabling OS2 Evaporator temperature probe T2 offset TLD Delay for min and max THI temperature logging Remise fe zc eo 2 zc eo si iy slowdown ADR BITZ adores for communication 012 14 Wiring Diagram All models including with light option A B C D E F G H J K L M N P PROBES SEE MOTE 21 1 NT URN E aS LIGHT SMTCH SEE 5 NOTES 1 CONTROLLER PARAMETERS COMAGURED SPECIFIC MODEL PROBE 1 amp Ey amp POSATOS PROBE 12 2 SMGK CONTROLLER DISPLAY LOD 55 00 3573092 DEFROST HESTER CLOSED GPEYS 1 MODEL SPEQAS WRING CONFIGURATION E E EIE 1 iz Arar 55 pac mn Tera uer INI COO pisc reos RINT
13. FOSTER FOSTER 4 REEN 9 7 PROCUREMENT Undercounter Cabinets Space Savers amp Prep Tables with BIT25 Controller amp LCD5S Display Service Manual is A AN YT gt Wee ae 4 Se Pin S gt an 4 LS y A Issued December 2011 rae 149 AAA RATEM ENT opga SYSTENS ISO 14001 ISO 9001 Contents Manual Information amp Health amp Safety Notes Environmental Management Polic Disposal Requirements Cabinets Description amp 1 Serial Numbers Controller Description Operation amp Diagram Individual Unit Temperatures amp Capacities Controller Wiring Diagram dimensions amp Technical Configuration of amp Parameters lists 9to 15 Parts Replacement Instructions for HR LR 150 16 to 20 21 to 22 Wiring Diagrams 23 Troubleshooting amp Notes 24 to 26 Service Manual Information The products and all information in this manual are subject to change without prior notice 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 where required The service manual does not cover information on every variation of this unit neither does it cover the installation or every possible operating or maintenance instruction for the units Health am
14. Probe Air T1 00 556376 Controller Connection Cable 00 556415 Probe Evap T2 00 556356 LCD 5S Display 00 555992 Indicators and Buttons Symbol a eem Info Set Point Button Thermostat Output Manual Defrost Decrease Button Fan Output Increase Button Manual Activation Defrost Output Dn Exit Stand by Button Activation of 2 parameter set Display During normal operation the display shows either the temperature measured or one of the following indicators Information Menu The information available in the menu is shown below Symbol Symbol H Instant probe 1 temperature Minimum probe 1 temperature recorded Instant probe 2 temperature Compressor working weeks Instant probe 3 temperature Keypad state lock Maximum probe 1 temperature recorded Displayed only if enabled see configuration parameters Displayed only if ACC gt 0 User Functions Start Sequence When the unit is first connected to the mains the display will automatically light up and show either or the current ambient temperature To start or activate when in standby e Press and hold the button for 5 seconds then release Access to the menu and information displayed e Press and release button e With button KI or select the data to be displayed Press and hold button to display the value from the menu press button or wait for 10 seconds
15. arranging for disposal of waste ensure a 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 wno 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 spills and are not disposed of into 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 Cabinet Descriptions
16. bing is in contact contact with one another and or if with metal the screws that fasten the condenser are tightened Check if the fans are securely The evaporator and or condenser fastened Also check if the fan fans are loose blades are loose broken or crooked so change the faulty blade If the noise persists after all other Compressor has an internal noise measures have been taken it may be originating from the compressor pu EN Set the controller to a warmer Extreme condensation inside the Controller is set at a very cold position amp check to see if refrigerator position compressor stops as should This type of occurrence is caused by local climatic conditions and not by the refrigeration unit Check the door and or the magnetic The outside environments relative humidity is very high over 75 The refrigerator door won t shut gasket Adjust the door hinges if completely needed replace the gasket if broken The refrigerator had been placed at The unit must not be near sources an inadequate location that produce too much heat IEEE E R Do mins HOT goor The light switch is off position Press the light switch to on position models only 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 17 A 5s Condensing unit runs for Excessiv
17. e amount of warm product Advise user to leave adequate time long periods of time placed in cabinet for products to cool down Advise user to ensure doors are Prolonged door opening or door ajar waen norimus and to avoid opening doors for long periods of time Ensure gaskets are snapped in completely Remove gasket and Door gasket s not sealing properly wash with soap and water Check condition of gasket amp replace if necessary Dirty condenser coil Clean condenser coil Unplug unit and allow coil to defrost Make sure thermostat is not set too Evaporator coil iced over cold Ensure that door gasket s are sealing properly Select manual defrost and ensure system works Notes 18 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 UNDERCAB BIT25 SM 12 11 19
18. n in to the storage area The HR150 A refrigeration system is also integral with an air cooled compressor and static condenser where the refrigerant is distributed into the evaporator controlled by a capillary The LR150 A model has static freezer shelves with circulation in the storage compartment by natural convection This means they also require manual defrosting The HR150 A 200 and LR200 condensate vaporisation is provided by a self contained condensation vaporiser tray attached to the top of the compressor The LR120 200 240 and 360 have electric defrost set at 4 times per 24 hours whereas the HR120 150 A 200 240 and 360 are on a timed off cycle defrost Bit25 Controller Introduction by Models Model 1 Serial Number Issued Manufacturer Date from a a ae ee eee 100 H BurgerKingOnlySpec 42424020220 120 amp Broadway November 2011 200 amp 200 H amp L E5307001 October 2011 240 H amp L 530587 amp E5305856 November 2011 360 360FT H amp L E5307002 October 2011 150 A H amp L E5306481 amp E5306484 October 2011 Controller Operation The controller consists of two pieces the controller amp separate display This two piece controller has the controller PCB unit fitted at the rear of the cabinet with the display fitted into the front of the cabinet interconnected by a ribbon cable BIT25 Controller PCB 00 556354 BIT25 Controller PCB Cover Housing 00 556361 LCD 5S Display 00 555992
19. ning period ACC 0 52 weeks With 0 condenser cleaning alarm is disabled Switchover method to second parameter set Second parameter set is excluded the following parameter will be NON SB NON MAN Second parameter set is activated deactivated by button M DI2 Second parameter set activated by DI2 input DI2 1 5 Standby button operation 0000002 YES Confguabledgkaliputoperaion Di DOR Alarm ALr displayed when contact opens Alarm ALr displayed when contact closes Confgwabedgialiputoperaon DOR Door switch input 0 T Alarm ALr displayed when contact opens NON Alarm ALr displayed when contact closes Operates 206 parameter set when contact closes UJ 12 5 12 5 T3 probe temperature offset only when DI 10 Auxiliary Relay 1 Operation Output disabled always off FAN Control of evaporator fan Control of defrost heater device activated when DTY or GAS OAT LGT Output enabled for light control NON 0 1 Contacts open close with Standby On mode SB Contacts open when an alarm condition occurs UO m Control of defrost heater device activated when DTY or GAS 2 LGT Output enabled for light control FAN 0 1 ALO ALC NON FAN w m H Contacts open close with Standby
20. p Safety Warnings and Information Make sure the 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 ON During maintenance and cleaning please unplug the unit where required io Care must be taken when handling or working on the unit as sharp edges may cause V 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 Please ensure the appropriate use of safety aids or Personnel Protective Equipment V 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
21. r than 0 all outputs will remain off the DRN minutes in order for the ice to melt completely and the resulting water to drain The fans will only re start when the evaporator temperature is lower than FDD if T2 YES or after FTO minutes have elapsed Caution if DFM NON all defrost functions are inhibited if DF T 0 automatic defrost functions are excluded during a high pressure alarm or a DI2 generic alarm defrost is suspended during defrost high temperature alarm 15 bypassed Manual Defrost LR150 and LR410 Freezer Shelves gt To initiate a manual defrost press and hold the defrost button for 2 seconds All other Under Counter and Space Saver models are fitted with a fully automatic defrost system to ensure that the evaporator remains free from ice in normal use Melt water is evaporated using the heat from the refrigeration system Controller Wiring Diagram Dimensions amp Technical Data total current 30 Dimensions mm Technical Data Power Supply BIT 25 E 230Vaczt1096 50 60Hz 3W Relay Output Compressor 20 8 A 240Vac Auxiliary Loads 1 16 4 A 240Vac Auxiliary Loads 2 7 2 A 240Vac Input NTC 10KO0 025 C Measurement Range 50 9 9 19 9 110 C Measurement Accuracy lt 0 5 C within the measurement range remote data BII25BO0Q3E 1FS Operating Conditions 10 50 15 80 r H CE
22. y type of plastic or other E improperly material that will block the circulation of cold air within the refrigerator Too many door openings Advise user to decrease if possible 16 Excessive heat load placed in Advise user not to put in products cabinet that are too hot Check to see if condensation or ice The refrigerator has been crystals have formed on the suction overcharged with the refrigerant gas line If so charge with the correct amount of gas Find the location of gas leak in order to seal and replace the defective The refrigerant gas is leaking component Change the drier Perform a good vacuum and recharge unit Check electrical connections and The evaporator and or condenser make sure that the fan blade isn t fans are not working stuck Replace the fan motor if it doesn t work Re arrange product to allow for proper air flow Make sure there is at least four inches of clearance from evaporator pru Replace fuse or reset circuit MER Fuse blown or circuit breaker tripped breaker Wires or electrical components are Check for appropriate insulation on in direct contact with metallic parts the connections of each component The refrigerator is not properly Check if the noise goes away after levelled you level the refrigerator Blocking air flow Electrical Shocks While the compressor is working The condenser is not fastened check to see if metal parts are in correctly Copper tu
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