Service Manual - Foster web spares
Contents
1. 277 15 lt OVO VOLVED ALSO 108100 1508330 01 031239 02 38 01 Gd Z JION INdINO 01 38 01 P NNAT SOND QUVON _______ ______ 01 GJONI 30084 105 60_ 01 109 059 6851 23 41501 YOISIS JA S Fors 5 5521 twt JIVI 8 aw HM MOTINI M9 19 19 X 3000 90102 318 4 WNOILdO 9 AINO 5173901 11 114405 WYLNIN JAN 550 2 03123 02 38 OL 2 5 AINO 51300 000 55 19 01 02111 000 NMOHS SY 1934405 0314 SLHON A 51300 4009 Z OL 0313 AINO Z NVI AINO 513000 84004 OL HOLMS YOUU 1 5210 1 335 HOLIMS 3000 8000 11 WS 30191534 L 1 HM 4 __ 41 109 59 12109 so 109 59 59 1110559 59 105 59 1681 59 19 1661 59 1242 106 59 on on Ww 151 1300W 2 nano wi zn en zn2. 1 18 18 6 18 9 335 335 3 ansava wi 2 01043105 335 15084 130 5 40 yg 10 90M ON 3 0 0 40 7 KESTER 36 6 62 SIN O ad NNA I S ONIN MOUAWGIO 03151 SY STIGON ry 191 1395 5 ALI 7 80 00 610858 00 WVYOVIC ON 2538 GNA 87510 OMO CBSI 23 __ 902 109 59 9 2 106 59 96 6 95 38084 102 7 MS 1 80 69 59 m 109 59 109 69 109 59 106 59 106 59 106 59 1511 NMOUS 98 3019 19 JUHM HM 2522 035 3900 10100 NAYI 9 99109109 031 15 5531 318 9 ZN zn I zn ZN ANO 109 59 30 14405 WHLNIN ONY 55042 2 l4 t KINO 513008
3. 431504 _______ 1 59 EFE g 5 1900 Y SO 59 g 222 B 5 9 109 50 558 4 383 0313130 109 5959 105 SO 106 SO Oo 151 13008 ___ 241144 CAN 6 3 910105 3 A EINE 0300 513008 5254 3 1 1 YITIOULNOD _ Bane YITIONINOJ 0 5 5531 16 IW P zn 21021610 OL AINO 1 4 NMOHS SY INN 033 SI HOLS 8000 NIM S1300 000 01 AINO H NMS X000 I 5310 1 HOLMS gt aziym YISIYOJYA E 2 3 _ WIRING DIAGRAM 7 3 20 010 40 NI 96 8711 SIN diva aw 40 OIS 031511 513008 01 00 000868 0 NVYOVIC 9 Orb
4. 1 031113 SI HOLIMS 5000 NJM 513004 3000 OL HILIMS 8000 1 3000 71300 LA 1701 4 02 850 2 1114 39 01 IY 5 ws 172 09 ATNO 51200 900 01 031113 3000 gt 6573 34 OVW 52123 339 NOMI TH __ 1 15 amp 1 59 1 7 189 50 17 50 149 109 509 NMOHS 1934409 031113 519917 5 115 ES 5713004 01 031113 1511 1300W SALON 1 1001309 7 1 3L0N 335 1 HOLIMS X000 2 HOLIMS 8000 J _ jes 1 44 1 en eR 3 UN 330 x fa fo SIHOTI Auns NIVW 10 18 KESTER WIRING DIAGRAM 09371134 SY 5 AVON 5730014 YOLVUADIUATY 431504 999999 9
5. MOdINATO 1415048 5 017 OFA 431504 9 99 503 nm 31v0 730 OVW 281 338 3104 9 SvW 0300 713009 8 NONW 2 1511 13008 310N 335 WNO NOITT p 9 LH IEI S9 30 IZN 00 1 55082 513009 X000 OL 031114 Z NMOHS SV 99078 1 HOLIMS 3000 NIM k 5 3000 OL 031113 ANO HOLIMS 5000 1 a 11041309 en 1 HOLIMS 4000 JINN 0402 in deinen 5 NIVW 3104 335 000 WIRING DIAGRAM 4 NNATSONIN VOU 70 A GLI YOLVUADIe 144 131504 9371130 SY S1300W VadNS WYONOYLSYO 503 17109 859 ___1 1109 59 171 109 855 171 03 59 1 W 183 S9 999999 599939 eta 55 NMOHS SV
6. display FIN Release both buttons 14 2 5 5 2 5 6 2 5 7 2 5 8 2 5 9 2 5 10 Display Factory Parameter Access to the Factory Parameter settings is made by first entering the User Programme C1 to C4 Holding down the SET key and pressing key will cause the controller to display FIN Releasing key and depressing the I O with the SET key still pressed will cause the controller to display LLL Pressing the SET key will scroll through the parameters L1 L2 and L3 Display Amend Parameters P1 P7 Holding the SET key and pressing the N Z key will cause the controller to display OPS Pressing the SET key will scroll through the parameters P1 to P7 Parameter values may be altered using or ZX key Display Amend Parameters D1 D7 Holding the SET key and pressing the V key will cause the controller to display Pressing the SET key will scroll through the parameters D1 to D7 Parameter values may be altered using the ZA NZ key Display Amend Parameters A6 Holding the SET key and pressing the key will cause the controller to display AL Pressing the SET key will scroll through the parameters to Parameter values may be altered using the 7 or ZX Exit Factory Parameters To exit Factory Parameter Programming and return to normal operation of the controller the SET key must be held down and must
7. Gastronorm Supra Cabinet amp Counter Service Manual Gastronorm Supra Cabinet amp Counter CONTENTS Controller Operation For Cabinets and Counters From 1996 Onwards 11 Introduction 1 2 Symbols And Indicators 1 3 Parameter Programming And Operating Instructions 14 Entering Factory Set And Programming Mode 15 Factory Set Parameters 16 Error Annunciation 1 7 Wiring Diagrams Controller Operation For Cabinets From 1994 To 1996 21 Service Data 2 2 Introduction 23 Displays 2 4 Parameter Programming And Operating Instructions 2 5 Entering Factory Set And Programming Mode 2 6 Factory Set Parameters 27 Wiring Diagrams 1 GASTRONORM CABINETS AND COUNTERS FROM 1996 ONWARDS 1 1 INTRODUCTION Amicroprocessor temperature controller which holds and displays a pre set counter cabinet air temperature The controller performs many other functions which include automatic defrost initiation alarm functions and calculation of stored product temperature The display fascia panel and microprocessor control board form a single integral unit from here on referred to as the controller 1 2 SYMBOLS AND INDICATORS 1 2 1 The symbols on the fascia panel consist of a seven segment display together with the following indicators and symbols 1 2 2 Illuminated indicators these appear adjacent to the three digit display 1 2 3 Condensing Unit Q LED illuminated green when Co
8. 601 1131 MU GS 501 601 1131 HUR GS 501 601 1131 MUR ALL Hi i GS High Temp Section HLT 8 GS 2101 2 Gs 501 601 1131 WT GS 501 601 1131 1351 2101 GS 501 601 1131 WTR GS 501 601 1131 CU Gs 501 601 1131 WU GS 501 601 1131 CUR GS 501 601 1131 WUR GS 501 601 LU 3 Gs 601 1131 GS ALL Low Temp Section HLT 10 GS 501 601 1351 LTR 4 GS 501 601 1131 1351 LT GS 1131 LUR 5 GS 501 601 1131 1351 MT 11 GS 2101 LT GS 2101 LTR 6 GS 501 601 1131 1351 CT GS 1131 LU Parameter Set No Parameter Temperature Set Point High Food Temp Alarm Low Temp Food Alarm Condenser Clean Interval Time Since Last Defrost Door Open Factor Door Open Factored At Last Alarm Co Temperature Differential Condenser Clean Interval Compressor Rest Time Food Probe Offset Maximum Set Point Minimum Set Point Fans On In Defrost Defrost Type Defrost Per Day Termination Temperature Termination Time Drain Down Time Fan Delay Time Fan Delay Temperature Door Alarm Delay Alarm Required Probe Failure Response Max High Alarm Min Low Alarm Recovery Time 16 WIRING DIAGRAM uva 031511 SY N gw 51 at 13004 VHS WYONOYLSVO WIOJHON 5
9. 8000 01 4 0313 1 1508430 040935 9 513008 3000 OL 03113 AINO Z 2 WMOHS SY 1234409 83113 Si HOLS 8000 KIHM 513008 Z 01 AINO D al 18 1 HOUMS 2 HOLLINS 9000 000 T im AVAL 9130 1508430 8 WS 3015534 w al 0409 5 13H NOMIN WIRING DIAGRAM 7 gt 1508330 OL 031994402 38 OL INdINO O1 38 OL NOMAN 1 5 8 4 883 8 25 8 5 55888 8 22830 8 38 5588 5 288 zee 9 11 2 CONTROLLER OPERATION FOR CABINETS 2 1 2 2 2 3 2 3 1 FROM 1994 TO 1996 SERVICE DATA One function of the controller is to provide certain data which may assist engineers in fault diagnosis The function is LLL in factory set parameters Access into this function is described in the general operating instructions Function L1 data displayed shows the time in hours since the last defrost This can be of help if
10. Press SET display SET Press SET display C1 Release display value of C1 Press SET display C2 high temp alarm Release display value of C2 To adjust N Z as instruction 1 3 5 page 4 Press SET display C3 low temp alarm Release display value of C3 To adjust press NZ as instruction 1 3 5 page 4 Press SET display C4 condenser clean hours reset Release display value compressor run hours To reset to zero N Z as instruction 1 3 5 page 4 To exit programming and allow the cabinet to operate normally Press SET display C1 Hold SET and press button display FIN Release both buttons for normal operation NOTE If no changes are made during a programming operation for 2 minutes the controller will reset itself automatically for normal operation ENTERING FACTORY SET AND PROGRAMMING MODE Press and hold SET display SET Press whilst still holding SET display FIN Release display FIN Press on off whilst still holding SET display LLL Release all buttons To change parameter in information mode Press SET display L1 Release display value Press SET display L2 Release display value Press SET display L3 Release display value To exit without entering any other value Press SET display L1 Press ZX whilst still holding SET display SET Release ZX whilst still holding SET
11. a complaint of icing up of the evaporator has been received as this allows the engineer to check that defrost occurs and whether under certain circumstances the defrost period is long enough L2 In the event of high frequency door opening the value is displayed between 0 and 10 This value is a percentage of the door opening time Display Door Operation 00 Door closed for 100 of the time Door has been open for 10 of the time Door has been open for 20 of the time Door has been open for 30 of the time Door has been open for 40 of the time Door has been open for 50 of the time Door has been open for 60 of the time Door has been open for 70 of the time Door has been open for 80 of the time Door has been open for 90 of the time Door has been open for 100 of the time This data be useful if an engineer is called to investigate poor performance high cabinet temperature as he can see from the factor displayed if heavy door usage could be the cause of the performance experienced L3 data displayed will be the door open factor 12 at the time of the last overtemperature warning occurred The values displayed will change automatically as the operation of the cabinet changes It is not possible to change the values using the increment and decrement buttons INTRODUCTION This is a multi function microprocessor digital temperature controller which not only controls an
12. 99999 COO OT 1 1 15 1 69 1511 1300 30 ZY 5 OL SYOMISN IY 13340 1 SALON 98833 8488 INOAV 1 11041 IZIN vi T J aw un an en 45 A B ATddNS NIVW 19
13. ANUAL DEFROST press and hold the defrost button press the ZN button the display will show DEF release both buttons The defrost will be the same as an automatic defrost 1 5 FACTORY SET PARAMETERS SET No CABINET MODELS COUNTER MODELS 1 GS 501 601 1131 1351 2101 HT GSC ALL H GS 501 601 1131 1351 2101 HTR GSC ALL HR GS 501 601 1131 HU GS 501 601 1131 HUR GS ALL High Temp Section HLT 2 GS 501 601 1131 WT GS 501 601 1131 WTR GS 501 601 1131 WU GS 501 601 1131 WUR 3 GS 601 1131 FT GSC ALL F GSC ALL FR 4 GS 501 601 1131 1351 LT GSC ALL L 5 GS 501 601 1131 1351 MT GSC ALL M 6 GS 501 601 1131 1351 CT GSC ALL 7 GS 2101 MT GSC ALL MR GS 501 601 1131 1351 2101 MTR GS 501 601 1131 MU GS 501 601 1131 MUR 8 GS 2101 CT GSC ALL CR GS 501 601 1131 1351 2101 CTR GS 501 601 1131 CU GS 501 601 1131 CUR 9 GS 501 601 LU GSC ALL LR GS ALL Low Temp Section HLT 10 GS 501 601 1351 LTR GS ALL Low Temp Section LUR 11 GS 2101 LT GS 2101 LTR GS 1131 LU Temperature Set Point High Food Temp Alarm Low Temp Food Alarm Condenser Clean Interval Time Since Last Defrost Temperature Differential Time Between Condenser Clean Maximum Set Point Minimum Set Point Evap Fan Operating During Defrost Air Temperature Offset Number of Defrost Per Day Termina
14. be pressed While both buttons are pressed the display will show FIN and releasing the buttons will return the controller to normal operation Note while in the programming mode if no button is pressed for a period of thirty seconds the controller will revert to normal operation Defrost During the Defrost operation the display will show DEF The evaporator indicator will be off At the end of the defrost operation there will be a drain down period when neither the compressor or evaporator will run therefore both indicator lights will be off During this period DEF will be displayed Upon completion of the drain down period the Recovery operation is initiated with the display showing REC The compressor will run and the green compressor on indicator will illuminate On completion of the fan delay period either by temperature or time the evaporator fan will run with the green fan indicator LED illuminated At the end of the Recovery time the display will revert back to displaying the internal cabinet temperature To initiate a MANUAL DEFROST press and hold the defrost button press the a button the display will show DEF release both buttons The defrost will be the same as an automatic defrost 15 2 7 FACTORY SET PARAMETERS SET No CABINET MODELS SET No CABINET MODELS 1 GS 501 601 1131 1351 2101 HT 7 GS 2101 GS 501 601 1131 1351 2101 GS 501 601 1131 1351 2101 GS 501 601 1131 HU GS 501
15. d displays the cabinet temperature but has other features and displays DISPLAYS Compressor The cycle of the compressor is indicated by means of a green LED adjacent to the symbol 3 facia When illuminated the compressor is running during the normal running operation or during defrost if the hot gas method is used 12 2 3 2 2 3 3 2 3 4 2 4 2 4 1 2 4 2 2 4 3 2 4 4 2 4 5 2 4 6 QeEGSTER Evaporator Fan The operation of the evaporator is indicated by means of a green LED adjacent to the symbol 86 whilst it is illuminated When the door is opened the green LED will flash When closed it will revert back to a solid display Condenser Clean Adjacent to the condenser symbol 58 is green LED that illuminates if the compressor run time exceeds the value entered in the service programme the value is based on hundreds of hours If illuminated clean the condenser and re set the compressor run hours in the customer programme C4 Food Temperature Value The temperature of the food within the cabinet is monitored via the microprocessor which calculates from the air sensing probe the stored food temperature If this temperature is within the high low food temperature conditions set within the factory service parameters the green LED at the top left hand corner of the display window will be illuminated If it is outside the high low settings the red LED adjacent to the symbol will be il
16. luminated It should be noted that as the monitoring system simulates actual food there will be a delay in reaching the safe conditions after initial start up of the cabinet This time could be up to 6 8 hours depending on storage temperature PARAMETER PROGRAMMING AND OPERATING INSTRUCTIONS The controller is a multi function microprocessor having five levels of control operation The end user has access only to one level limiting accidental changing of operation parameters Switching On With power connected to the cabinet the display the controller fascia willbe Switch on by depressing the on off button The display will show actual internal temperature plus compressor and evaporator fan LED s User Operation Cut out temperature Press SET display SET Press SET again display C1 Release display cut out temperature To adjust press ZA NZ buttons during this process as or NZ buttons is pressed the parameter will be displayed and releasing it will show the value As the button is continuously pressed the value will change When the required value is set cease pressing the LA NZ buttons To exit operation press SET display C2 Hold SET press display FIN Release both buttons The cabinet will operate to the new value 13 2 4 7 2 4 8 2 4 9 2 4 10 2 4 11 2 5 2 5 1 2 5 2 2 5 3 2 5 4 To change high low alarm setting
17. ndensing Unit output is high 1 2 4 Evaporator Fans 0 LED illuminated green when Evaporator Fan output is high 1 2 5 Condenser Clean LED Illuminated green when Condenser Clean time 2 has elapsed 1 26 Food temperature MA LED illuminated amber when Calculated Stored Product Temperature is outside the pre set High and Low Foot Temperature Alarm Settings C2 and C3 respectively 1 27 Door Open LED illuminated red when the Door Alarm Delay has elapsed Extinguished when all doors are re closed 1 3 PARAMETER PROGRAMMING AND OPERATING INSTRUCTIONS 1 3 1 The parameters which control the operation are divided into User Parameters those to which the operator has access and the Factory Set parameters additional parameters not intended to be modified by the user 1 3 2 User Parameter Programming Access to the user parameters can be made by a simple series of key operations 1 3 3 While the controller is switched in and operating normally pressing the SET button will cause the controller to enter the programming mode with the display showing SET Further operation of the SET key causes the display to scroll through the User Parameters C1 to C4 While the SET key is depressed the parameter number is displayed releasing the SET key causes the value of the parameter to be displayed A parameter value may be altered using the _ increment or Decrement key While the ZX key is depressed
18. r model for further information on type contact the Product Support Department on Telephone Number 01553 691122 The effect of removing the probe will mean that the coil probe will always be shown as between 1 C or 1 C when pressing the button Ferrite Ring Suppressor on the Supra Controller As of October 1998 a ferrite core has been fitted to give immunity to the controller from mains borne electrical noise EFT Electrical Fast Transients The ferrite operates by absorbing energy from the noise thus reducing the amount of noise passed on to the controller For further information contact the Product Support Department on Telephone Number 01553 691122 Door Open Alarm When the door is open the evaporator fans are switched off The green LED will flash After a pre programmed set point an audible alarm will be turned on and the red alarm LED will flash This alarm will be cleared when the door is closed If the door is left open for more than five minutes the compressor will also be turned off i e nothing will be on except the lights WIRING DIAGRAM 67071 131511 SV ary ogad NNA I S 9NIA Ee OVA
19. ressing the SET button after the last parameter will cause the display to return again to the first parameter Press SET Display shows C1 while SET button is depressed Display shows value when SET button is released If desired the controller can be caused to exit the programming mode having saved any new parameter values Press SET Display shows FIN while buttons are depressed together Display shown Air Temp when buttons are released ENTERING FACTORY SET AND PROGRAMMING MODE Display Factory Parameter Access to the Factory Parameter settings is made by first entering the User Programme C1 to Holding down the SET key and pressing the key will cause the controller to display FIN Releasing the 2 key and depressing the with the SET key still pressed will cause the controller to display LLL Pressing the SET key will scroll through to parameter L1 1 4 2 1 4 3 1 4 4 1 4 5 1 4 6 Display Amend Parameters P1 P6 Holding the SET key and pressing key will cause the controller to display OPS Pressing the SET key will scroll through parameters P1 to P6 Parameter values may be altered using NZ or ZA key Display Amend Parameters 01 D8 Holding the SET key and pressing the N Z key will cause the controller to display df Pressing the SET key will scroll through parameters D1 to D8 Parameter values may be altered using NZ or ZA key Di
20. splay Amend Parameters 1 Holding the SET key and pressing the 74 key will cause the controller to display AL Pressing the SET key will scroll through parameters A1 to A8 Parameter values may be altered using or ZN Exit Factory Parameters To exit Factory Parameter Programming and return to normal operation of the controller the SET key must be held down and key must be pressed While both buttons are pressed the display will show FIN and releasing the buttons will return the controller to normal operation Note while in the programming mode if no button is pressed for a period of thirty seconds the controller will revert to normal operation Defrost During the Defrost operation the display will show DEF The evaporator indicator will be off At the end of the defrost operation there will be a drain down period when neither the compressor or evaporator will run therefore both indicator lights will be off During this period DEF will be displayed Upon completion of the drain down period the Recovery operation is initiated with the display showing REC The compressor will run and the green compressor on indicator will iluminate On completion of the fan delay period either by temperature or time the evaporator fan will run with the green fan indicator LED illuminated At the end of the Recovery time the display will revert back to displaying the internal cabinet temperature To initiate a M
21. the parameter number is displayed releasing the key causes the new value of the parameter incremented or decremented to be displayed 1 3 4 1 3 5 1 4 1 To exit the User Parameter Programming Mode and return to normal operation of the Controller the key must be pressed while holding down the SET key While both buttons are depressed the display will show FIN and releasing the buttons will return the Controller to normal operation with the display showing internal air temperature Note while the Controller is in the programming mode control of the cabinet counter refrigeration components is still maintained Note while in the programming mode if no button is depressed for two minutes the Controller will revert to normal operation Example Press SET Display shows SET Press SET Display shows C1 while SET button is depressed Display shows value when SET button is released Press SET Display shows C2 while SET button is depressed Display shows value when SET button is released Pressing ZX or lt buttons will cause the value of a parameter to incremement Press 2 Display shows C2 while the ZX button is depressed Display shows new value when the ZX button is released Press SET Display shows C3 while the SET button is depressed Display shows new value when the SET button is released Press SET Display shows C4 while the SET button is depressed Display shows ne value when the SET button is released P
22. tion Temperature Termination Time Defrost Type Drain Down Time Fan Delay Time Fan Delay Temperature Recovery Time Door Alarm Delay Internal Audible Alarm Select External Alarm Select Probe Failure Response Max High Food Temp Alarm Min Low Food Temp Alarm 1 6 1 6 1 1 5 2 1 5 3 ERROR ANNUNCIATION Should a temperature probe failure occur the controller will indicate the fault by flashing on the fascia PF1 or PF2 PF1 When an air probe fault occurs the Condensing Unit Output may fall low depending on the status of the parameter Probe Failure Response 4 PF2 evaporator probe failure occurs the parameter defrost Termination Temperature D2 is ignored and defrosts are caused to terminate only after the period Termination Time D3 has elapsed Please Note As of November 1998 the RED defrost probe PF2 has been removed and replaced with a 5 1kOhm Resistor All new controllers come with the resistor fitted Should you require resistors you can contact the Product Support at King s Lynn and they will be issued free of charge For Supra Cabinet and Counter products having hot gas defrost no changes are required to the parameter settings For Supra Cabinet and Counter electric defrost models a heat limit Klixon should be fitted as an additional safety device The type of Klixon to be fitted will depend on the particula
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