Service Manual - PP/PR RI1T 2006
Contents
1. Once you are satisfied with the level the U channel can be rawl plugged or hilti nailed into position ensuring it is sealed with silicone sealer between the floor and the channel to prevent moisture penetration Apply mastic sealer to the inside of the channel so that when the panels are located there is a vapour seal Gili Mastic Mastic 3 5 ASSEMBLY OF WALL PANELS Note there is no door header panel as this is integral with the ceiling panel Fit the side panel into the channel and apply a bead of mastic to the rear edge to create a vapour seal rear see fig 1 Place the rear panel in the channel these can now be locked together by means of the Foster Lock see fig 2 operated by the hexagon shaped key provided see fig 3 All panels are locked internally Fig 1 Fig 2 Fig 3 Silane 3 6 FITTING THE CEILING PANEL At the top of the wall panels there is a recess that accepts the ceiling Apply mastic to the recess so that when the panel is fitted there is a good vapour seal Slacken the screws securing the front panel to the sides and lift away taking care not to damage the interconnecting cables rest it securely on the top of the ceiling panel See below Lift the ceiling panel complete and lower into the top recess With the ceiling panel in place slide the galvanised angle bracket into place see fig 4 Secure in place using the screws provided see fig 5 and 6 Fig 5 With the ceiling panel secured2. F C fla L lt gt FE C m SPL Minimum setpoint i YS Thermostat hysteresis 94 Minimum compressor rest time o 10 min run with pri o Compressor Stop delay after door open 0 ME EE 90 IM K m m m Defrost frequency dLi dty Drain down time 00 ddY Display control during defrost 0 Fan operation indefrost_ NO Evaporator Fan re start 30 Fan timed conri NO Evaporator fan On Off Rato 0 o2 E ND un ME De NO PN 5 4 25 9 25 La 6 NE NN 03 35 20 E z m fla 3 mi 10 m NO 50 0 Y o zl m N o z D Low temperature alarm High temperature alarm Temperature alarm delay Door alarm delay Condenser HP Alarm in m m 70 lt lt m m 2 9 EE CEN 0 x 5 x 30 5 860 9 alarm management NON ALR STP Condenser cleaning 0 Eco gt Heavy Duty sensitivity 2nd parameter set management NON MAN HDD D D QIa la 0 Ahm NON NON Acc 0 0 h 03 O3 ism NON NON SL Minimum setpoint 11 30 md zs c 25 11886 Maximum setpoint 1I mL 30 10 0 jSepon usu 20 20 HY Thermo
3. PRRI1T Modular Retarder amp PPRI1T Modular Prover ZOSTER Service Manual 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 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 clients 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
4. until required temperature is displayed Exit from set up occurs after 10 seconds if no button is pressed 10 Set Unit to Standby Press display shows Standby Indication This indication is displayed while the unit is not operating but with mains power applied to the unit This mode may be used for internal cleaning regimes and short periods when the unit is not required For extended periods of inactivity the mains supply should be isolated Factory Temperature Set Point 32 C Alarm and Warnings In the event of a probe failure the display will show or 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 obtained set The parameters are accessed by pressing the following keys succession keeping them pressed for 5 seconds After this period the first parameter SCL will be displayed to go back Press to display the value to change it Exit from set up 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 SPH 1SP IHY IPB and OS1 you may
5. Diera 194098 LESE IWperGaket O o oos Spare parts list for PPRI1T ITEM DESCRIPTION PART NUMBER 15843321 SI Pih par number 18871012 9 01 252922 0 er Jooo o 160008 pU SEGEN 12 8 Wiring Diagrams SEEN e SHE SEMEN 007 D LIR15 TIRE AG APROBE TIED Ki H PROGESS MCE 1 START 10 AMP a UNIT COVER EARTH CONNECTION 1 PROCESS STOP RESET I RS Bess 5 5 e E 9 108 B amp Cali f 7 E B LNE SUPPLY WAN SMTGCH 16 NEUTRAL SUPPLY WAIN SWITCH 48 RI E FAM MOTORS CONTROLLER 3 4 PROCES START BUTTON 1 411 m 16 HEATER ASSY F1 ir Ra H PROCESS NOTES FAN MOTORS EOS ALARM LAMP 15 TIMER WIRING CHANGED ADDED NAD AED 1 ALL CABLE 1 0mm80 UNLESS OTHERWISE STATED FUN NEDH jH tees ASST DESCRIPTION DATE 10 2 UNT cover TO BE FULLY EARTHED R2 1 CONTROLLER 7 mE ren 3 GABLE COLOUR CODE WIRING DIAGRAM 0 838 3501 00 15 BR BROWN RD RED Gf GREY BL BLUE BK BLACK WT YOE FOSTE R FOSTER REFRIGERATOR U K LTD rrr z ME i gr alle Th EXT ING TO BE GREEN YELIONS HEN OLDMEDOW ROAD KING S LYNN NORFOLK PESO Po ws po OB 0 REPLACES PP RI 1T FORU M WIR 13 1 B D J E F H J K L M N P P CONDEN
6. 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 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 LTR 15T1RE AP Controller 00 555738 Parameter List for the PPRI1T Min 1 Dim Default getting Mexmumsepont i SPL 99 6 999 32 1SP SPL SPH 40 32 HY HY Pb ap y HY 1HY 1 199 19 5 3 APB Proportionalband 49 19 5 6 HT imegraiacionms 0 399 sec 356 1 ADT _ Derivative action time 0 99 se 50 4 Reset of internal action O 110 90 15 j Cydetim 0 25 sec 10 20 sim Display siondoun 0 39 0 a 051 __ Sensor correction 7 50 150 K 0 O 6 Technical Data Ref Charge Power Absorbed Retard Run Amps Retard FPRRZT RISA oo 1 sol am 4 emer NA NA 29 1 S 19 885 11 T Spare Parts Lists Spare parts list for PRRI1T Compreso 0055969 CodemerFan 189 087
7. modular construction with the refrigeration system built onto an independent ceiling panel The door is a slab type with self closing rising butt hinges Complete with a full height handle and no locks Magnetic door gasket and a wiper gasket to the bottom edge of the door The door can be hinged left or right hand as required 2 2 Internal Fittings Two Trolleys per section Not supplied as standard Maximum size of trolley 430 x 760 x 1730mm The internal walls are protected with aluminium Bumper Bars 2 3 Service Requirements Electrical Supply 230V 1 phase 50Hz Fuse rating 13 Amp 2 4 Temperature Ranges The cabinet is designed to automatically process Pizza Dough from a frozen condition 18 c 21 c to a finished product as below Retard Temperature 1 4 Prove Temperature 28 32 The cabinets conform to ISO Climate Class 5 40 ambient with 40 RH 2 5 Air Flow Air is circulated through the evaporator coil or in the case of the Prover across the heaters and discharged through a vented air duct fitted to the rear wall of the cabinet Internal airflow is generated by 3 x 10W motors with 200mm 34 pitch angle blades 2 6 Retarding Refrigeration The refrigeration system is a self contained unit comprising of air cooled condensing unit forced air evaporator and all ancillary parts and controls The equipment is pre charged with refrigerant and pre wired to allow for easy installation on site
8. NO to leave keys accessible NOTE with the keys locked it is not possible to turn the unit off or ON or to check the set point menu press to display the value plus Parameter Setting and Adjustment It is strongly advised that before adjusting any Service Parameters a thorough understanding of the following instructions should be obtained After this period the first parameter SCL will be displayed Press button parr to pass from one parameter to the next and button Press ENSE to display the value Exit from set up is by pressing O T 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 and 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 set 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 LCD 28CS4E B 00 555735 Controller Parameter lists for the PRRI1T Mnem Definition Min Max Default Dim ScL Readout scale 1 C 2 C
9. Refrigerant used is R134a The evaporator has a large surface area to provide high humidity during the retard operation Refrigerant control is a capillary based system used to control the correct amount of refrigerant required to meet the demand of the evaporator 2 7 Proving Heating An electric heater assembly is mounted on the rear face of the cooling coil which is energised during the prove process As an extra safety feature a pre set overheat thermostat switch is provided should the main control thermostat fail During the Thaw process both cooling and heating are used to ensure that the air temperature is controlled to defrost the dough 3 Panel Layout and Dimensions 3 1 Ceiling panel with the refrigeration system 3 2 Ceiling panel with heater assembly 3 3 Cabinet Dimensions 1206 DE S IS ee 2206 3 4 U Channel Fitting The U channel is supplied cut to the correct lengths use the cardboard template provided to position the channel on the floor The external dimensions of the room are 1200mm Wide X 965mm Deep It is important that the U channel is fixed squarely so that the panels will lock together when inserted It is recommended that there should be no more than 3mm tolerance in the floor level as this can affect the correct location of the locking panels Using a spirit level check floor level on all four sides If required use packing shims to take up any anomalies in the floor
10. SER e D PROBE Bu Nd FOSTER 00 555739 6 PWR i CUSTOMER COPY 1 CONDENSER PROBE FITTED AS AM DPTICRHL 2 GUATROLLER COMPIRURED F R GPF GWAE DEFROST 4 ALL CABLE 1 0mm UNLESS THERMSE STATED 4 GABLE CODE RD Gv GRET A BLUE BLACK VT OET Mi ceni BM TR cmd 000 EVAPORATOR 1 EVAPOR ATOE FAM 7 ErAPORATOR FAN 3 CONDEMZER FAH VAPORISER HEATER r4 MODEL 4 CONTROLLER CHANGED NAI TE DESCRIPTION Er DATE FOSTER FOSTER REFRIGERATOR U K LTD z ME 1 gr 1 OLDMEIMUN ROAD KING S LYNN NORFOLK Pm ws 13 07 05 REPLACES PR RI 1T ETIEK E FOR Na WO CSR CSIR WRING Pu Di eS So SSS Bow Se SSS SS Sea BE 14 POSTER n REFRIGERATOR 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 2333 839375 Fax 49 2333 839377 Email into foster qmbh de Foster Refrigerator Oldmedow Road Kings Lynn Norfolk 0 4JU Tel 01553 691122 Fax 01553 691447 Website www fosterrefrigerator co uk Email sales foster uk com a Division of ITW UK Ltd 2 2 5 0106
11. ct hinge alignment in the closed position Check that it hangs squarely to the cabinet Re fit the unit cover and check that the top of the door lines up with the bottom of it To remove the door reverse the process After hanging the door inspect the door gasket ensuring that seals fully to the doorframe Also ensure that the door wiper gasket fitted to the bottom of the door see fig 11 Fig 11 4 Operating Instructions PRRHT LCD 28CS4E B 00 555739 Controller Operation Guidelines LCD 16 Display 00 555740 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 will be displayed Press and hold 071 for three seconds The unit will start and the air temperature will be displayed 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 To increase set point press AE until required temperature is displayed liaset To decrease set point press until required temperature is displayed Factory Temperature Set P
12. in place seal the internal joints with silicone sealer Insert the buttons into the lock holes Note For Prover models the fitting instruction is the same 3 7 FITTING THE REAR AIR DUCT 1 Prior to fitting the rear air duct check that the Air Return Duct A is correctly located into the Coil Driptray Flange B see fig 7 2 Place the air duct against the rear of the cabinet and insert into the space between the air return duct and the rear of the cabinet to a depth of 10mm see fig 7 secure in place using the self tapping screws provided NOTE For Prover models the rear air duct fitting is the same Fig 7 Coil driptray flange B Air Return Duct A Insert airduct 10mm into aperture Hear of Cabinet 3 8 FITTING THE BUMPER BARS Place the rear bumper bars against air duct and line up with the pre drilled threaded holes in the duct secure in place using the M5 screws provided Place the side bumper bars against side panels lining them up with the pre drilled holes secure in place using the self tapping screws provided 3 9 FITTING THE DOOR Check that the inserts are fitted correctly into the hinge parts attached to the cabinet see fig 8 Check that the insert for the door part of the hinges are correct for the door hinging fig 9 shows the insert fitted for right hand hinging Fig 9 Fig 10 Y Hold the door at 90 angle to the cabinet and lower the door on to the hinges see fig 10 for the corre
13. oint 1 Exit from set up occurs after 10 seconds if no button is pressed oer will be displayed release On completion of the defrost REC will be displayed until the cabinet temperature is achieved and then it will revert to displaying the normal cabinet temperature Set Unit to Standby Press 0 729 display shows ort Standby Indication This indication is displayed while the unit is not operating but with mains power applied to the unit This mode may be used for internal cleaning regimes and short periods when the unit is not required For extended periods of inactivity the mains supply should be isolated Manual Defrost To initiate a manual defrost press and hold Alarm and Warnings High temperature alarm n 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 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 Controlle
14. pill and are not disposed of to storm drains foul drain 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 The materials used to package this refrigerator coldroom may be recycled Recycling will reduce the effect this waste has upon the environment For information on waste collection facilities in your area and other advice on recycling of packaging waste visit www recycle more co uk 1 INTRODUCTION The two models are the PRRI1T pizza dough retarder and the PPRI1T pizza prove They are designed to accommodate two special pizza trolleys not supplied The control system allows cabinet allows for simple manual operation with pre set temperatures and function indicator lights Each cabinet has a Micro Processor temperature controller complete with function indicator L E D s The Prover also has a process timer Standard Finish Insulation thickness CFC Free polyurethane foam Exterior walls Sides 75mm Co Laminate Rear Wall Back 75mm Co Laminate Front Wall Front 75mm Co Laminate Ceiling Ceiling 100mm Co Laminate Door Door 50mm Stainless Steel 304 Interior Walls amp Ceiling Base Floorless Smooth Aluminium 2 SPECIFICATION 2 1 Construction The product is of
15. r faulty not switching compressor off Compressor secondary relay will not de energise low temperature models Air Temperature Probe Failure 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 Action Replace Probe Information Menu Pressing and releasing isset activates the information menu From this menu you can display the temperature relating to T1 air probe T2 evaporator probe if fitted and T3 condenser probe if fitted The maximum temperature THI and the minimum temperature TLO the cabinet has achieved since it was last re set The total operating time of the condenser CND since it was last cleaned and the keyboard status LOC The information to be displayed can be selected sequentially by pressing set repeatedly or scrolling or 254 buttons Once selected press lieset to display the value through the menu using the Exit from the info menu by pressing 0 1 or is automatic after 6 seconds if no buttons pressed To reset the temperature settings recorded in and TLO and the hours counted CND access the info ITE3 8 1 simultaneously for resetting to be completed To check the LOC status scroll through to LOC press Ed to display status YES to lock keys
16. stat hysteresis I1 01 10 3 xf 3 dr Defrost frequency 11 o a 1 m 1 Fantimedcontrol NO ves NO fag NO Sb jStandBybutonfunctin NO YES YES flag YES ds Door switch enabling No ves no flag NO oAu AUX Output Control NON 0 1 ALR flag NON oSt Air probe offset 25 s o 9 t2 Evaporator Probe enabling NO YES YES flag NO OS2 Evaporator Probe offset 125 128 x 0 T3 j Condenser Probeenabing NO YES NO flag NO 083 jCondenser Probeofset 125 125 0 x 0 tLd Logging Temp Delay 01 30 5 min Sim pspaysowom o wo s Adr Unit address 32 25 1 epe 1 5 Operating Instructions PPRI1T Controller LTR 15 00 555738 Once the self check has been completed will be displayed Press and hold for three seconds The unit will start and the air temperature will be displayed Check temperature set point Check set point by pressing the button lieset Important to note that the ability to increase and decrease the set point is not 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 To increase set point press Ed LA uni required temperature is displayed liaset To decrease set point press
17. 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 oils 4 When 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 license or a carrier holding an appropriate exemption Ensure the person receiving the waste at its ultimate destination is in receipt of a waste management license 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 s
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