Grindmaster Model FDD2500 Service Manual
Contents
1. Hoppers are empty and display does NOT read ADD PRODUCT when attempting a dispense Adjusting Capacitive Sensors 1 Remove both hoppers 2 Remove Sensor screws and gently pull sensor into cabinet see Figure 5 3 Fill one hopper half full with product 4 Hold sensor bulls eye side flat against the full half of the hopper see Figure 6 Indicator light should be ON 5 Slowly move sensor away from the full half of the hopper ndicator light should turn OFF 1 16 from hopper see Figure 7 f needed adjust sensor with micro screwdriver by gently turning adjustment screw see Figure 8 6 Hold sensor bulls eye side flat against the empty half of the hopper see Figure 6 Indicator light should be OFF If indicator light is ON adjust sensor with micro screwdriver until light turns OFF 7 Repeat steps 4 through 6 until no adjustment is needed NPN NO NC 2 25mm SENSING RANGE 10 40 VDC lt 200mA CONTINUOUS Bulls Eye Figure 8 Adjustment Screw Inside Indicator Light Capacitive sensors detect materials due to their dielectric constant The bigger the material size the higher the density of material the higher the likeliness of detecting the material Model FDD2500 Page 11 Troubleshooting Guide NOTE The LCD display provides diagnostic feedback for determining the cause of fault or abnormal conditions Error codes listed below are stored in the controller memo2. M S 86789 6 O0SZQQH 191509 M819 pdag SE 8l EIL O00Scaqa3 1009 Jaddn jo eg 689 LL 00S 004 SSIHNUS jp2eq 28789 9l 0086 OCH Assy abb JUDIS 68229 SL 288 0 00H 4UDIDIHS WUDI T rl OCH 331VM LOH 19907 EYE DE O0SZQQ 18409 ADIdSIQ 1099 98789 II OCH ASSY YIHMS vec 87 OCH Ajo py pocu no 9829 6 OCH ASSY YIHMS 889 LZ 0097004 Ow ADIdSIQ 1849019 18789 8 JeDul S ISUSOM vet SC 00S7Z004 100 21909 SSSUIDH _gax060001 9 SS Sd33 8 LAN PT 0057004 100 1D84 S9DOY I uDd 889 S jnu 207 UOJN OC t 1 ELOLI90OM ET pibog HNIMD HOdANS 40l 00957004 S9u2IMS ADJ GSIC SSSUIDH 96c9 ZT 006791 CIT APIASIC doe GOL 19019 B E X SH MOIOS 0EL9 LT 00S OCH JU9WPJOM 1000 ESTE CT PH Ud SS LX UF MS19S vett o 00S OCH 24SD d 181NO JOOT t l Model FDD2500 Page 16 FDD2500 Door Assembly for models FDD2500 1 3A B FDD2500 3 3A B 0052004 84504 A 1q 10980 0052404 1004 1900 158 008cQQH SSIHAYS 10580 00652003 Assy 89009 4UDIS 88 0 400HYDIDIS WDI VC C6C 9 L8EE9 6809 9SSC9 twt9 6 OOGC OCH 18409 ADJOSIQ 19594 98ZE9 LI SI VI el cl 2 9 001 8 0057004 9uso d ADIdSIQ 18400 BGTE9 17879 9 Ste 9C 0057004 BIW ADIdSI 4940019 187 9 JeDul S 1SUSD M e S WSsS ooAeH Jelles UIOS SS Sd33 ZE 8 LAN BEHET FE OOGC OCH 1007 81409 SSSUIDH INU 4
3. for models FDD2500 1 3A B FDD2500 3 3A B TO MAIN BOARD 2x16 backlit LCD display header 2 header 1 Q 9 G GO 0 WD 9 09 G Gn 29 9 069 QH header e 9 9 20 291 header 1 i HAN SEL CO N gt GRY BLK W ORG EN BLK W a LI 2 Wan gt Si l 3 9 SIS SE dn al gt 5 gt gt PEE m gt a gt E LESERT ELEMENTS OCGODS CAP TAIS Pus DOO OOOO OGODES IN ei SE Lili M gt Ys x S M L N U COM S M L LEFT RIGHT TOUCHPAD CENTER SWITCH TOUCHPAD MANUAL FREE FLOW DUCHPAD Model FDD2500 Page 33 Page 34 Model FDD2500 Model FDD2500 Page 35 GRINDMASTER CORPORATION Grindmaster Coffee Grinders and Brewers e Espressimo Espresso Machines e Crathco Hot Beverage Dispensers Crathco Cold and Frozen Beverage Dispensers e American Metal Ware Coffee and Tea Systems Tel 502 425 4776 Fax 502 425 4664 e 1 800 695 4500 PO Box 35020 e Louisville KY 40232 e USA www grindmaster com e email info grindmaster com O Grindmaster Corporation 2005 0705 Form AM 342 02 PRINTED IN USA Part 463361
4. A DRINK Machine is equipped to dispense into cups decanters 1 3 L servers 2 2 L airpots or hose connected to 5 gal containers WARNING Server must rest flat on tray with a 1 4 6 mm clearance between cup and spout Contents can cause severe burns if handled improperly For Manual Machines FDD2500 1 M B and FDD2500 3 M B 1 Place a server under the selected drink dispense nozzle 2 Pull dispense handle until cup is 2 3 full then release handle For Automatic Machines FDD2500 1 3A B and FDD2500 3 3A B 1 Place a server under the selected drink dispense nozzle 2 Press and release desired dispense button NOTE To stop a dispense simply press and release any button Model FDD2500 Page 7 WARNING Disconnect power before servicing machine Cleaning Daily Cleaning CAUTION When cleaning the unit do not use cleansers liquid bleach powders or any other substance that contains chlorine These products promote corrosion of stainless steel and plastic parts Use of these products will void the warranty AN WARNING Do not use a water jet to clean machine Risk of electric shock Empty drip pan as needed and wash daily in a dish detergent Wipe down all surfaces of the dispense spouts product storage cabinet splash panel and drip tray areas with a clean soft cloth using a mixture of one ounce lvory liquid detergent or equivalent to one gallon of fresh water Follow by wiping down all surfaces of the dispense spouts pro
5. 307 UOJ N 07 7 1 EZOLLOOMI E 00S7dC4 100q 1084 SS899Y SUD4 O0SCQQH HOd U9IIMS SSSUIDH 8tve9 lt poog HNDID HOAANS 390 14 39DId 8 X 8 M S EL Z 0057004 qOTADIdsSId PH Ud SS L X OF 1 M819S YB o 0082QQH USWUPISM 1000 EGTE9 PH Ud SS Z 1 X Oc v Malos 86ct 9 NG 0057003 Osod Je1nO 100 cece NOILdIJOSIC ON 1elVd ON Wall NOIlLdlel o SIA ON 14Vd 890001 GG4 0S0001 GGCE9 ZLLOOL LOPE L ON Wall Model FDD2500 Page 17 FDD2500 Lid Assembly PART NO DESCRIPTION 63239 Panel Lid FDD2500 63322 Lid Hinged Cover FDD2500 61792 flat HINGE PWDR COATED SS 2 LEAF 61303 Screw 8 x 3 8 black trilobe 61440 CAP 8 SCREW SOFT FDD2500 Splash Panel Assembly 71582 Decal Warning Disconnect ITEM NO PART NO DESCRIPTION 63242 Splash Panel Plastic FDD2500 2 63243 Tray Cup Flip Up FDD2500 3 Bracket Splash Inside FDD2500 4 61303 Screw 8 x 3 8 black trlobe 3 61236 SCRW 10 32X1 2 PH TR SS 63068 NUT 10 32 ESNA SS 7 61228 Spacer NYL HEY 334 SPU98 8 71261 NUT 8 32 55 ESNA 9 63370 Decal 2 3 Full FDD2500 10 6298 Decal Front Warming PIC Model FDD2500 Page 18 FDD2500 Hopper Shelf Assembly qH Hd X ZE 8 MAJOS fO 0 SS Nd Hd MINOS PIC X C 9 svi 00SZQQ 64W Josuas doo 189014 99 Le ADS
6. Check for power across water inlet valve terminals If power is not detected replace water inlet valve Allow water tank to fill If problem continues check for restrictions in water line and check for proper water pressure 20 100 psi Check thermistor wiring connections Allow water temperature to stabilize reset power to machine Reset power first if continues check thermistor resistance consult factory for details replace if necessary Inlet water temperature must be below temperature set point of water tank Check heater contactor for welded contacts replace contactor if necessary Replace inlet valve Replace inlet valve Check connection to water level probe Fill hopper Make sure hopper is properly in place e See Add Product Adjustment section on page 9 Model FDD2500 Page 12 Troubleshooting Guide cont Problem Possible Cause Solution LCD display shows Standby Machine is in STANDBY mode Press 1 0 on touchpad to activate machine Standby switch acts as a power switch to the control module of the machine however the machine is still powered up No water or product is Machine is in STANDBY mode Press I O on touchpad to activate machine Standby switch dispensed acts as a power switch to the control module of the machine however the machine is still powered up Door is open A door interlock disables the dispense circuit when the do
7. DD2500 Programming Machine from Touchpads cont 24 Press gt to Retrieve Error Codes 20A cont SC4 Thermistor Failure Temperature is out of range less than 32 F or greater than 210 F SC6 Check Heating Tank is too hot SC8 Overcooling SC9 Overflow Water level safety probe is tripped SC10 Adjust Temperature Temperature adjusted from touchpad 25 Press for Clear Error Code options 20B Press or to toggle between YES clears all stored error codes from memory and NO Important After selecting YES and then pressing gt all data will be cleared immediately 26 Press gt for EXIT option Press or to toggle between YES and NO Important After selecting YES you MUST press to SAVE changes or wait for READY message and machine will exit without saving WARNING Disconnect power before servicing machine FILLING PRODUCT HOPPERS see Figure 4 1 Open door Lift hinged top 3 Remove hopper lid 4 Carefully pour product into hopper 5 Replace hopper lid 6 7 Lower hinged top Close door THERMOSTAT ADJUSTMENT See machine programming procedure Water tank temperature Figure 4 Tools required None NOTE The thermostat range is approximately 40 F to 205 F 4 C to 96 C The water tank temperature is factory set at 190 F 87 C making the beverage temperature slightly lower than 190 F 87 C HOW TO DISPENSE
8. GNVIS MENE 00SZ OCH 19llo11uoO 00r 7 INNOW SISSVHD VAOOL JINWYJOISNVAL spoool SS JT AOC I Leu SAIDA SPee c 0082 004 HUBIY OJUOD 4949019 vcee9 l Page 25 Model FDD2500 ITEM NO PART NO DESCRIPTION 1 Bracket Control Left FDD2500 2 Relay 12 vdc Coil 3 Terminal Block 4 pole 4 5 62261 Contactor DPST 30A 120V _ 5 63373 Iransformer StepD 200VA 200 230 460 120 6 63349 Harness Left Side FDD2500 8 62332 Fuseholder 30A 600V pni mi 9 63395 Fuse2AmplimeDelay 63396 Decal 2 Amp Fuse 07921 Lug Ground 60394 Bushing Snap 7 8 OD x 3 4 10073 Label Ground Symbol 62286 Screw 6 32x1 25 PH PN SS A601018 10 24 x 5 16 SCREW PH PN 18 8 SS 70426 TERM 1 4F INS QD 18 22 GA 61303 Screw 8 x 3 8 black trilobe 60758 WASHER 10 LOCK EXT SS 61159 4 Seal Closed Cell Foam 4 63449 Decal Step Down Wiring ITEM NO PART NO DESCRIPTION 1 Bracket Control Left FDD2500 2 Relay 12 vdc Coil Terminal Block 4 pole 4 Contactor 4 Pole 3 63373 Transformer StepD 200VA 200 230 460 120 63349 Harness Left Side FDD2500 Harness Term to Contact 3 Ph FDD Fuseholder 30A 600V pnl mt Fuse 2 Amp Time Dela 10 Decal 2 Amp Fuse 11 Lug Ground 12 Bushing Snap 7 8 OD x 3 4 13 10073 Label Ground Symbol 62286 Screw 6 32x1 25 PH PN SS A601018 10 24 x 5 16 SCREW PH PN 18 8 SS TERM 1 4F INS QD 18 22 GA Screw 8 x 3 8 black trilobe 18 WAS
9. Grindmaster Model FDD2500 Service Manual for Model FDD2500 Table of Contents Warning Labels Installation Programming Start up amp Adjustments Cleaning Shipping Preparation le esch E L ie y 4 i x RELEASE HANDLE Rae d W A ia oc NTS AN OVERFLOW Replacing Controller Replacing Components Product Out Adjustment Troubleshooting Guide Assembly Drawings Model FDD2500 1 M B EE Model FDD2500 3 M B Wiring Diagrams Model FDD2500 1 3A B Model FDD2500 3 3A B Prior authorization must be obtained from Grindmaster Corporation for all warranty claims Grindmaster Corporation 4003 Collins Lane Louisville KY 40245 USA KR 502 425 4776 G R x N D M A S T E R 800 695 4500 USA amp Canada only CORPORATION FAX 502 425 4664 www grindmaster com Grindmaster Corporation 2005 0905 Form AM 342 02 PRINTED IN USA Part 463361 Warning Labels The following warning labels were on your dispenser when it was shipped from the factory They should remain on your dispenser in good readable condition at all times If one of your labels is missing or damaged order a replacement label immediately Part 71582 Located on machine cover and spout mounting bracket je Disconnect power before servicing Part 63370 For FDD2500 M B models only Located on front splash panel RELEASE HANDLE WHEN 2 3 FULL THIS PRODUCES A FULL CUP AND PREVENTS AN OVERFLOW Part 63371 Locat
10. HER 10 LOCK EXT SS 19 61159 4 Seal Closed Cell Foam 4 20 Decal Step Down Wiring Page 26 Model FDD2500 FDD2500 Switch Assembly D L e FDD2500 FDD2500 Sight Gauge Assembly Touchpad Assembly PART NO DESCRIPTION 63290 Tube Sight Gage FDD2500 6329 Cap Sight Gage Screw 8 x 3 8 black trilobe ITEM NO PART NO DESCRIPTION 63437 Plate Switch FDD 3 Portion 2 63436 Touchpad 3 Port FDD2500 Model FDD2500 Page 27 FDD2500 Blower Assembly ITEM NO PART NO DESCRIPTION 61103 Fan Blower 120V 25A 63212 Bracket Blower Mt FDD2500 63260 Insulation Strip Blower FDD 4 me SN 61303 Screw 8 x 3 8 black trilobe S FDD2500 Hose Adapter Assembly 63402 Optional ITEM NO PART NO DESCRIPTION 63366 Fitting Hose Adapt FDD2500 3 63367 WIRE CLIP HOSE ADAPTER 62346 FDD Tubing 3 4 x 1 x 36 Silicone Page 28 Model FDD2500 FDD2500 Wiring Schematic for all models FDD2500 WIRING SCHEMATIC ALL VOLTAGE SUPPLIES SEE OTHER SHEETS FOR HEATER CONFIGS pe eee OS a EDIE SSE AT i 8 2A FUSE LL i SC I L2 Kee KE ERR 2A FUSE I I I press L H3 FOR 240V SUPPLY L CONNECT RED TO H2 FOR 208V SUPPLY E 120V L ILS TERMINAL i BLOCK STEP DOWN tl Z TRANSFORMER 5 120V L z 7 E i HI TEMP LIMI
11. LE TUYAU PINCER LE TUBE POUR ARRETER L ECOULEMENT D EAU LORS DU TRANSFERT JUSQU AU SECOND RECIPIENT REMETTRE LE BOUCHON ET LE COLLIER DE SERRAGE AVANT DE REMPLIR LE RESERVOIR TO EMPTY HOT WATER FROM TANK REMOVE CLAMP PINCH THE REPLACE PLUG AND CLAMP PRIOR TO REFILLING TANK PN 63448 Page 2 Model FDD2500 Installation WATER INLET CONNECTION The National Sanitation Foundation requires the following for an NSF approved water hook up 1 WATER HOOK UP 1 01 Remove front splash panel for access to water hook up see Figure 1 Ensure the 3 8 water supply hose has sufficient length to allow the machine Flush the water line to purge any debris from the supply line Connect a 3 8 water line to the 3 8 male flare connection Ensure water supply to machine is within 20 to 100psi Install a pressure Turn on water supply and check for leaks A quick disconnect water connection or enough coiled tubing so that the machine can be moved for cleaning underneath An approved backflow prevention device such as a double check valve to be installed between the machine and water supply On units plumbed to permanent water line installation of a water filter softener system is recommended to prevent lime and scale build up in the machine On units pumping from remote water container filtered water is recommended to prevent lime and scale buildup in the machine Water pipe connections and fixtures directly
12. LVZE9 BE 00970034 UOIDIIDISUI IDNUDW 09 9 ME ooszadi4 Assy pr BETE9 0057004 WOLLOS NOLIVI V SC 9 S 00S Gqd ASSY Jl us Jed doH GTCE9 9 OO OCH UOUD 5 S 9 vz O0SZQQH J91nO 1084 ISuDd VOCED 0087004 DOY WOHOg pod 6SEE9 O0SZQQH 191NQ SPIS ISuDd ETZEN 00S GqHd WDOJ dol pod 8S E9 lt O0SZQQH ASSY 19 Olg LLZE9 OIA1 S 10110990 OprE9 Ie o0szad4 ASSY AUDI 1c 9 haa 9 5 Dd Je1souupuuo 060 8609 0 O0SZQQH ASSY SUWDIY 007 9 1 NOILdIAISIC ON I3 Vd ON Will NOILdIAISIC ON LA Vd ON Will 00S qqd4 Model FDD2500 Page 14 FDD2500 Frame Assembly OC BUHIM Dia 9939 6829 l IDJOW S L SICH BNId 60 81 3201 Ul 8 ISUSDAA 98119 41 SS AL Hd Z LXZE 01 MADS PET 91 OQOIH 3ODIQ 8 X 8 MOJOS coco Sl XOWOY OLOW JInpuoo p E IOJOSUUOD 0c6 0 vl ss 9109 2 1 DUU 699 EI 9 SD1d ADIL UIDIQ IDA e LL OOGC OCH UDd aspg I uDd OLZE9 01 O0SZQQ IDD1O AUDI 4919019 8008 8 0057003282019 Joddp 1239019 QE L 0057004 WOHOG SBUIH 4940019 90089 9 0057004 dol eDuiH 4919019 Soze S 00S QQH 19uJ02 UD JUO 4940019 voce O0SZQQ JOWOD 1497 1U044 4939018 02 9 0052004 SIQUIOD 10983 19 2DJg 009 lt 005Z 004 JO BUIMDIT II uS toe Page 15 Model FDD2500 FDD2500 Door Assembly for models FDD2500 1 M B FDD2500 3 M B PH Ud SS Z 1 X OZC r
13. MACHINE IS EQUIPPED WITH 3 3 7KW 240 VAC ELEMENTS WHICH CAN BE CONFICURED TO ACHIEVE VARIOUS WATTAGE OUTPUTS PER THE CHART BELOW DEPENDINC ON POWER SOURCE AVAILABLE 00060 10 AWG BLACK HEATER WIRES E ARE CONNECTED TO CONTACTOR SJ e e e CONNECTIONS T1 T2 T3 T4 E PER THE CHART BELOW O TI Te T3 T4 e ele ole ts ob CONFIGURATION CONTACTOR m CONNECT RED WIRE TO 2A FUSE ES E H2 FOR 208V SUPPLY RED H3 FOR 240V SUPPLY 2A FUSE BLACK STATS TERMINAL eee BLOCK zo Oz O H4 H 2 H1 460V 230V 200V COM STEP DOWN TRANSFORMER SQ 120 VAC el TO CONTROL CIRCUIT CONNECT NUMBERED HEATER WIRES TO SINGLE PHASE aaa an x 15 o no ee 32 18 25 a Dee EE es 5 o 77 LL 5 2 5 33 a 3 ss E33 22 18 246 _ sso 5 a aa 25 2 2 Z sS 32 2 1 33 THREE PHASE DELTA CONFIGURATION x 3 5 84 a 12 5 2 U 26 11 268 E 32 1 3 1 23 Model FDD2500 Page 31 Wiring Schematic within Door for models FDD2500 1 M B FDD2500 3 M B TO MAIN BUARD header d header 1 LEFT SWITCH header 1 wit MIDDLE SWITCH WHT BLU BLU TOUCHPAD Page 32 Model FDD2500 Wiring Schematic within Door
14. OCH ul dojq I uunJ Bully cc vv 00S2QCH J910M 994J0D 189nD4 STE v OCH SIZZON IdOH e e9 S Er 00SZdd4 d tt Asy JaddoH 9 A18W3SSV ONIX 411V3H lels9 amp OCH adan 1edaoH 4940019 0 9 lt OO JOIA B E X SH MOJOS coca W OCH 12m0 1eddog 1835014 99 Page 19 Model FDD2500 FDD2500 Hopper Assembly TEM NO 6 61246 BEARING DRIVESHAFT 61225 8 161314 PALNUT 5 811 UNC 9 61313 SPRING PINWHEELARM SCREW 6 32 KNURL Y Page 20 Model FDD2500 Tubing Silicone 1 2 x 3 4 33 Tubing Silicone 3 8 x 5 8 x 5 61232 Plug 3 8 Barb 61152 Tee 7 16 Barbed 63448 Decal Tank Drain 5 Gal 05826 FDD IValve Tubing Silicone 3 8 x 5 8 x 17 07327 Clamp Hose 21 321D Heyco 2322 Model FDD2500 Page 21 71676 Clamp 671 812 Nylon Hose FDD2500 Tank Assembly 3 Heater 11 1kW jh A U 63214 1 sa MEE 4 Page 22 7 18 4 3 4 Tank Weldment FDD2500 63355 Tank Gasket Tank 38 63355 Baffle Gasket Baffle 20 63261 Tank Lid Asy FDD2500 63222 Insulation Tank FDD2500 63295 70635 62269 63297 05826 FDD IValve 61232 61152 63448 07327 71676 Harness Heater 3 Ph FDD2500 le li 7 1 62271 FDD Vent Tubing Silicone 1 2x3 4 33 PME NE NE 11 12 13 14 15 16 17 TERMINAL 1 4 032 X 45DEG TAB Fitt
15. OUDI SANIDDADI JOSUOS 999 a E Se SS 8 81 Nd Hd F 1 X 8 eJ5S Es ve 810109V SS Nd Hd SZ LXZE 9 M S 98729 te 997 19 10 YOHMS INN 19979 ce jsdq dwy 91 8IBBOL USHMS 99719 Le HO UO USA 18007 o 11819 10 YOHMS LAN PRIS 8 Pepe mo g LOS MINDS 8 dvO Oprl9 Is 0057004 1940400 99402 UDd 8979 S 190 13 U JUNOW uDbd YILIMS 8lzz9 vt 0082 QQ4 18AN07T UD 4940019 49 osaa SUI we f lt WS4S OOA H J I 2 UIOS 890001 Q G90 OOA3H Z 1 31OH OMd 49H09 SS VNS3 ZE OL LAN 8909 8 86NdS VEE AJH TAN 199DAS 8 Zl 197 UXQOZ LEXI L UOJN Sounds see 9l SS AL Hd Z LXZE 01 MYDS SEI SL 8 X F X ZIL 9uools SSOH 4i 003 1Z229 vl TOR PTE o vis Ce EIER VO 22 81 GO SNI W7 1 Was SZ CS SC Y X EIC X S SUOSIIS DSOH HG 12009 lt OSOH UOJ N Z L8 LZ9 QUJD O SRL IS 011199 PSIUSAUN duunq A DA 199 UL OSUUODSIG DululDM JODeq S 06 00857004 PIN 9A DA AUNG 1939019 dee OL JOH SID SSIDUNS UOLNDI PIS ue r Wds St 19SBNYVDIALHZ JOLOW 8099 6 006791 MO OSNA 3 6 Sr soH Sat DAd Al PUIQNI 9144899 8 SS 8 1 X 8 1 OXVW dOd DA 1086870 Z soH Sat DAd Al PUIQNI 91418989 Z id 30IS SIHL 19930 62 0057004 9soH Uunua d DUU ee 00S2QQ4J OW INOdS 49390019 1 e Sv OO OCH DUIXIW jeuund 89 s
16. T m ry THERMOSTAT POWER SUPPLY Po edi E MASTER e x 7 POWER PUR WHT E E 120V STEAM EXHAUST HEATER RELAY TRANSFORMER a Capacitive Sensor Right CL WATER TANK GROUND T OVERFLOW Capacitive TOUCHPAD LEVEL FDD2500 1 only Sensor Adj Rinse Left SEE SWITCH WIRING SCHEMATIC E THERMISTOR AUGER MOTORS CONTROLLER km Bed Right 0 24vdc iddle y PN 24VDC Ground N CABINET SE FAN NI BIk 120V INLET VALVE 120V LEFT DISP VALVE 120V MIDDLE DISP VALVE 120V RIGHT DISP VALVE Model FDD2500 Page 29 1 Heater 1 Phase 60 Hz 240 208 VAC Configuration for models FDD2500 1 M B FDD2500 1 3A B 1 6 6 kW 240 VAC ELEMENT 6 6 kW 28 AMPS amp 240 VAC 2 WIRE GND 5 0 kW 24 AMPS 208 VAC 2 WIRE GND 6 6 kW 28 AMPS 120 240 VAC 3 WIRE GND 5 0 kW 24 AMPS 120 208 VAC 3 WIRE GND 4 e DO TOP VIEW OF WATER TANK JS 2A FUSE CONNECT RED WIRE TO H2 FOR 208V SUPPLY H3 FOR 240V SUPPLY ZA FUSE a BLACK NII LII 121113 FREE NT H4 H3 H2 H1 9 S 460V 230V 200V COM TERMINAL BLOCK STEP DOWN TRANSFORMER b O 120 VAC 3 TO CONTROL CIRCUIT Ma Model FDD2500 Page 30 Three Heater Option Configuration Hookup Diagram for models FDD2500 3 M B FDD2500 3 3A B FDD2500 3 3 HEATER WIRING HOOK UP NOTE
17. connected to potable water supply shall be sized installed and maintained in accordance with Federal State and Local codes Install the 4 legs and hand tighten Install the plastic drain tray onto the drain tray bracket and install drain grid Note The drain tray is provided with a drill out port to allow for plumbing to a drain to be moved for cleaning or service Supplying hot water to the machine will greatly increase the capacity of the machine The use of copper tubing is required to prevent rupture when using a hot water supply A maximum inlet water temperature of 160 F 71 C is recommended regulator if pressure is too high Figure 1 Z WARNING ELECTRIC SHOCK HAZARD Only qualified service personnel should perform installation of this appliance Improper installation could result in serious injury or death AN WARNING ELECTRIC SHOCK HAZARD Never use the ground conductor as a neutral conductor Serious injury or death could occur in the event of a fault condition AN WARNING ELECTRIC SHOCK HAZARD Always disconnect power to the machine before servicing or cleaning Risk of electric shock is present which can cause serious injury or death Model FDD2500 Page 3 Installation cont ELECTRICAL HOOK UP Ensure water connection is made to machine before proceeding The electrical ratings for your dispenser are located on the serial plate on the outside cabinet and inside
18. dify the time in tenths of a second 10 Press gt to modify Auger Off Delay a Press the dispense button for the dispense head that you want to change the auger OFF delay time b Press or to modify the time in tenths of a second 11 Press gt to change Heater settings 8A Press or to toggle between ON water tank heater ON and OFF water tank heater OFF 12 Press gt to modify Water Tank Temperature 7A Press or to increase or decrease water tank temperature 13 Press gt to modify Low Temp No Brew settings 7B Press or to toggle between ON will not allow drinks to dispense if water temperature is below programmed temperature and OFF a If turned ON press gt to modify Minimum Dispensing Temp b Press or to increase or decrease Minimum Dispensing Temp 14 Press gt to change Sleep Mode settings 8A Press or to toggle between OFF and ON forces the water tank temperature to a programmed temperature after a programmed time of inactivity used for energy savings a If turned ON press gt to change Sleep Mode Settings b Press or to increase or decrease the amount of time the unit is inactive before going into sleep mode C Press gt to change sleep mode water tank temperature setting d Press or to increase or decrease the water tank temperature during sleep mode 15 Press gt to view Manual Dispense mode 9A Models with ma
19. door For configuration of three heater models to optional wattages refer to page 31 of service manual 1 For cord connected models plug the power cord into an appropriate grounded and dedicated electrical outlet Go to step 8 2 For hard wired models not supplied with an electrical cord the dispenser should be connected to a dedicated circuit with a fused disconnect switch or a circuit breaker near the dispenser 3 Strain relief is supplied under the machine chassis for power entry see Figure 2 Electrical connections and wiring materials must conform to local codes and or be in compliance with the National Electric Code Use only copper conductors 4 Note Wiring diagram is on inside of left side panel 5 Connect the power supply conductors neutral optional and ground wire to the appropriate positions on the terminal block The ground lug is separate from the terminal block Note machine is equipped with a stepdown transformer to provide the necessary 120 volt power supply for the control circuits Neutral will not be used 6 Remove lid and left side panel see Figure 3 Move red wire on transformer to e H2 for 208V supply e H3 for 240V supply 7 Install the front splash panel 8 Install the plastic drain tray into the drain tray rails then place drain grid onto drain tray 9 Flip power supply to machine ON at the branch supply disconnect 10 F
20. duct storage cabinet splash panel and drip tray areas with a clean soft cloth moistened with fresh water and allow to air dry Rinse out the funnel by placing the rinse switch located to the right of the dispensing valves when the door is open in the ON position Dispense one to two cupfuls until the water is clear Short bursts of dispensing may also help clean the chambers When complete return the rinse switch to the OFF position 1 Open the door and remove the large tube i pe Place funnel into position then from the funnel cover then remove the Ea v TT connect hoses cover Le 2 Remove the mixing funnel by removing sili L gt gp 2 Place funnel cover on funnel and connect cone tube at the side then remove funnel Ciau o O large tube 3 PARTS IN CONTACT WITH FOOD MUST BE WASHED RINSED SANITIZED AND AIR DRIED Page 8 Model FDD2500 Cleaning cont Weekly Cleaning cont Cleaning Hoppers Disassembly Cleaning Hoppers Reassembly A CAUTION Do not wash hopper without first IMPORTANT All components must be completely dry prior disassembling to reassembly Open door disconnect large hose from DL d Place driveshaft bearing inside hopper funnel cover and then lift off funnel Cal AI with threads going through hole in the cover AT rear of the hopper Lift off ring heater and set aside Ist e t Secure the bearing by attaching the palnut S to the bearing o
21. ed next to center spout 4 Surfaces are hot Part 62981 Located on front splash panel WARNING ADVERTENCIA Contents can cause Contenidos pueden causar severe burns if quemadur as severas si el handled impr operly uso es inadecuado A AVERTISSEMENT Contenu peut provoquer des br lures gr ves si il est manipul incorrectement PN 62981 Part 63448 Located on tank drain hose ADVERTENCIA AGUA muy CALIENTE PUEDE CAUSAR QUEMADURAS A WARNING IMPORTANTE DEBE TENER 2 CONTENEDORES DE 5 GALONES 19 LITROS 0 1 CONTENEDOR DE 8 GALONES 30 LITROS VERY HOT WATER MAY CAUSE BURNS PARA VACIAR EL AGUA CALIENTE NOTE QUE LOS CONTENEDORES DEBEN SER RESISTENTES AL CALOR IMPORTANT PARA VACIAR EL AGUA CALIENTE DEL TANQUE REMUEVA LA ABRAZADERA PRESIONE EL TUBO Y DESCONECTE LA MANGUERA YOU MUST HAVE TWO 2 FIVE 5 GALLON 19 LITER OR ONE 1 REEMPLACE EL CONECTOR Y LA ABRAZADERA ANTES DE RELLENAR EL TANQUE 8 GALLON 30 LITER HEAT RESISTANT CONTAINER S TO CATCH HOT WATER AVERTISSEMENT L EAU TRES CHAUDE PEUT CAUSER DES BRULURES IMPORTANT IL FAUT DEUX 2 RECIPIENTS RESISTANT A LA CHALEUR D UNE CAPACITE DE 5 GALLONS 19 LITRE OU UN TUBE AND UNPLUG HOSE PINCH TUBE TO STOP WATER WHEN RECIPIENT RESISTANT A LA CHALEUR DE 8 GALLONS 30 LITRES POUR RECUEILLIR L EAU CHAUDE MOVING TO THE SECOND CONTAINER POUR VIDER LE RESERVOIR ENLEVER LE COLLIER DE SERRAGE PINCER LE TUBE ET DEBRANCHER
22. ess the dispense button for the dispense head you wish to adjust the settings LCD will display L M or R for left middle or right dispense head to acknowledge your selection C Once the dispense head is selected press or to change the amount of time portion size for the beverage being dispensed 6 Press gt to change Whipper Settings 5A1 a Press the dispense button for the dispense head you wish to adjust the settings LCD will display L M or R for left middle or right dispense head to acknowledge your selection b Once the dispense head is selected press or to toggle between ON turn whipper ON and OFF turn whipper OFF 7 Press gt to return to Dispense Settings 2E Repeat steps 6 amp 7 for remaining heads 8 Press to modify Drink Strength 7A a Press to Select a Dispense Button 7B b Press the dispense button for the dispense head that you want to change the drink strength for C Press or to modify the auger speed which changes the drink strength 0 100965 of maximum auger speed in 196 increments Note A faster speed will result in a stronger drink and a slower speed will result in a weaker drink Model FDD2500 Page 5 Programming Machine from Touchpads cont 9 Press gt to modify Auger Delay a Press gt and select dispense button b Press the dispense button for the dispense head that you want to change the auger ON delay time c Press or to mo
23. ing 1 2 Barb SS NUT 10 24 ESNA SS EN 05826 FDD Short Tubing Silicone 3 8 x 5 8 x 5 Tubing Silicone 3 8 x 5 8 x 17 Plug 3 8 Barb Tee 7 16 Barbed Decal Tank Drain 5 Gal Clamp Hose 21 321D Heyco1 2322 Clamp 671 812 Nylon Hose 05826 FDD Drain Tubing Silicone 3 8 x 5 8 x 25 62282 61353 Gasket Bulkhead Screw 8 32 X 1 4 PH PN 18 8 SS 60262 18 TAPE ALUM HI TEMP 18 25 Model FDD2500 Model FDD2500 DESCRIPTION 63221 63221 Lid Tank FDD2500 2 71147 GROMMET SILICONE WHT S 1 HESTE PROBE PIC Probe Thermistor 12 Probe Safet o 162305 T STAT HI TEMP LIMIT NM a 9 10 7 62239 BRKT T STAT CE MODEL 61353 Screw 8 32 X 1 4 PH PN 18 8 SS 62265 Element 240V 6 6kW 10 71585 Elbow 1 2mptx5 8barb 90 brass 1586 Nut Lock 1 2fpt brass Page 23 FDD2500 Tank Lid Assembly 3 Heater ITEM NO PART NO DESCRIPTION 63262 Lid Tank FDD2500 71147 GROMMET SILICONE WHT 2 PROBE PIC 4 5 62305 T STAT HI TEMP LIMIT 62239 BRKT T STAT CE MODEL 61353 Screw 8 32 X 1 4 PH PN 18 8 SS 8 71585 Elbow 1 2mptx5 8barb 90 brass 71586 Nut Lock 1 2fpt brass 62403 Element 240V 3 7kW Page 24 Model FDD2500 FDD2500 Control Bracket Assembly OHUOT 00S QQH 461 SSSUIDH c Ol egolut39bIqd 8 X 8 Aale coco 6 9917 FaU OO 9H loH Duiusng 0914 8 wWldug e x ULI DUU ce 2 ucug e x auoqz Bull WEE 9 INNOWI903 SIMA 3dO
24. k Remove the drain tray and front access panel Once the tank is empty securely replace the plug and clamp on the end of the hose Reposition the drain hose Locate the silicone drain hose j 4 Reassemble the front access panel and drain tray Put the end of the drain hose into the container Secure the end of the drain hose i e with tape into the container Page 10 Model FDD2500 WARNING Disconnect power before servicing machine REPLACING CONTROLLER Tools Required Phillips Head Screwdriver 1 Remove 4 screws and lift off lid 2 Lift off right side panel 3 Carefully disconnect each wiring connector from controller NOTE Pull only on connectors Do not pull on wires 4 Carefully spring back mounting clips and lift controller out of clips NOTE Do not pull or press on sensitive controller components Handle controller by touching the edges NOTE Reverse procedure to install controller Make sure connector ramps and pins are properly aligned before installing connectors REPLACING COMPONENTS Tools Required Phillips Head Screwdriver 1 Remove drain tray 2 Remove 2 screws then remove front panel 3 Remove 4 screws then remove lid 4 Lift off side panels and or rear panel 5 Replace components as needed ADJUSTMENT TO ADD PRODUCT SENSORS Capacitive Sensors might need to be adjusted if either situation occurs Hoppers are full and display reads ADD PRODUCT when attempting a dispense
25. lip power switch to the ON position and allow the water tank to fill The machine will make a subtle hissing sound while filling Allow 3 4 minutes for fill time depending on water pressure Figure 3 Attention This machine employs an interlock switch to disable the dispense and fill circuits when the front door is open Ensure the front door is closed while installing or operating the machine A watchdog circuit also monitors the water level in the tank and Will disable the machine if the water level in the tank is not normal within 5 minutes of fill time The machine will require power to be reset to clear the watchdog timeout 11 After the water tank has completed the fill cycle the display will read Water Heating signifying that the heating element has been activated Allow 10 45 minutes for the display to read Ready signifying the water tank has reached operating temperature Note Heatup time is dependent on water inlet temperature and input wattage to the machine Page 4 Model FDD2500 Programming Machine from Touchpads Tools Required None MACHINE PROGRAMMING The machine operating parameters can be changed from the touchpad and LCD display without opening up the machine See illustration below PROCEED INCREMENT UP POWER ON OFF INCREMENT DOWN STANDBY 9 To enter Programming Mode Press and hold gt and at the same time for approximately 5 seconds Tip Use the eraser end of two pencils to
26. nual Free Flow Tomlinson handles cannot be changed to portion control 16 Press gt for Sales Mode 14A This option for future use Free is currently the default setting 17 Press gt to retrieve Sales Data 15A 18 Press gt to view Total Dispense data number of drinks dispensed per head 15B Press the dispense buttons that you want to retrieve information about After viewing each head s data proceed to next step 19 Press gt to view Total Brews data 15E LCD will display total number of drinks dispensed by the unit 20 Press for Clear Data options 16A Press or to toggle between YES resets sales data counter to 0 and NO Important After selecting YES and then pressing gt all data will be cleared immediately 21 Press gt to view Dispenser Type 17A LCD will display type of dispenser 22 Press gt to display Date Code information 18A LCD will display manufacture date 23 Press gt to display Software Version on controller 19A Displays current software version stored in controller memory 24 Press gt to Retrieve Error Codes 20A Press or to toggle through and review all error codes The LCD will display the number of times each error code has occurred Error Codes SC 1 No Water Pressure SC2 Reset Power Error has occurred that requires power to be reset SC3 Low Water Level Inlet valve ON for more than 5 minutes Page 6 Model F
27. or is open The door interlock switch is located behind the door near the lower hinge and can be overridden by pulling the switch plunger out The switch will reset when the door is closed No water is dispensed Blockage in water delivery circuit Check for kinked water delivery tubing lime and scale blockage to and from dump valve Powder not dispensing Coffee dispense outlet clogged Clean hoppers according to cleaning procedure Hopper drive link not engaged with drive Remove and reinstall hopper to engage with drive motor motor Check product container for product Low or no product Check Drink Strength setting see programming guide for Drink Strength setting too low setting Drink Strength Water overflows mixing funnel Powder flow rate too fast too much powder Adjust powder flow rate to prevent blockage in mixing funnel to water ratio can prevent adequate mixing resulting in blockage in mixing funnel Outlet is restricted Ensure mixing chamber outlets are free of blockage Follow rinse and cleaning procedure to prevent buildup of product in mixing system Drink is too cold or hot Check temperature set point and adjust as needed Refer to Programming Guide for Thermostat Adjustment section Drink is too weak or strong Check drink strength to desired taste Refer to Programming Guide for Drink Strength Adjustment Water tanks boils water Water temperature too high for elevation Adjust water tem
28. perature down Refer to Thermostat of installation Adjustment section If you still need help call our service department Monday Friday 8 am 6 pm EST at 800 695 4500 USA and Canada only or 502 425 4776 or an authorized service center in your area Please have the model and serial numbers ready so that accurate information may be given Prior authorization must be obtained from Grindmaster Corporation s Technical Services Department for all warranty claims Model FDD2500 Page 13 FDD2500 Assembly SOH UO N Z 18 129 dW 9 917 amp S 8Xv exz euooys SEGNI SY A 003 12779 XL O0SZ QJ AsV JOLADpY asoH COVES LE u9 X FIC X ZIL SUODIIS SANI oa 19 OCH 1 779 a 4907 JU 84 JOUSOM 98119 9 S 8Xv exz euooys SQNL SY PW OCH 12779 EXE eqolul 2DIqd B E X 8H MSJOS 0 19 SK We d 7 1 1 SSOH IUDIJ QAH EC I 19 LE SS Sd33 Z 8 INN 671 lZ YE P d 7 1 1 asou 1187 Gd4 Z 119 SL G90 OOA3H ZIL 31OH DNA S119 O0SZQQH Assy 100 LEEE9 vl ssy D1DO DuluJOM 91 26 ZE O0SZQQH AsV pig J01201u02D 67729 El xog 10 399 D29q LOVED ME 18 0097003 ASSY pug OMJUOD STEED CSL 00570034 329Uu2 UOIHDIIDISUI SOUS OSVE9 0 O0SZQQH UIDIQ puo 9pcE9 1 0097004 PBUIUDSI D plod LSVE9 6 0097004 UID1Q ADIL CZECH E 9r e qnjos 401X AIS JOAD J D29Q 9 001 8 OC sBuyuo2 BUUIM b2eq 88 9 WEN O0SZQQH 92lAJe JONUDW 19 9 lt O0SZQQH ASSY I ubd usp d s
29. press the buttons if you are having difficulty entering programming mode To Exit programming mode at anytime Wait 20 seconds without pressing a button The display will prompt Exit Press or to toggle between YES and NO After selecting YES you MUST press gt to SAVE changes or wait for ready message and machine will exit without saving Tip To verify changes successfully save re enter programming mode and check settings 1 Press gt to select Language 1A Press to choose English Spanish German or French 2 Press gt to set the Time of day on the machine Press or to change the time 3 If password is activated enter password now a Press to enter first number b Press gt then to enter second number C Press then to enter third number NOTE The default password is 111 If the password has been changed and forgotten press I O and at the same time to proceed 4 Press gt to change Password settings 2B Press or to toggle between ON enable password and OFF disable password If ON is selected press gt to change password a Press to enter new password following steps 3 a b c b Press gt to confirm new password following steps 3 a b c 5 Press gt to program Dispense Settings to change Portion Sizes 2E For FDD2500 3A models only a Press for message Select Dispense Button 5A b Pr
30. re is disabled and should not appear SC2 Reset Power SC3 Low Water Level SC4 Thermistor Fail SC6 Check Heating SC9 Overflow condition Add Product A fault condition described below has occurred requiring power to be reset to machine 1 Water tank fill circuit has exceeded the maximum run time 5 minutes 2 A water tank overflow condition has occurred 3 A water tank heating condition has exceeded the water tank temperature set point due to e Welded contacts on heater contactor Machine is filling the water tank Faulty water inlet valve electrical connections Faulty water inlet valve Insufficient water flow rate to machine typically during dispensing only Thermistor is disconnected Thermistor was subjected to sudden temperature change i e filling or draining tank Thermistor resistance valve is out of valid range Water temperature has increased above set point due to e Abnormal increase or decrease in water tank temperature Welded contacts on heater contactor Water inlet valve weeping leaking valve seal Water inlet valve stuck open Loose water level probe connection Hopper is empty Hopper is disengaged Capacitive sensor needs to be adjusted For 1 3 turn power switch OFF for 5 seconds then ON Call Technical Service for assistance Allow machine to fill the water tank Ensure electrical leads are properly made to water inlet valve
31. ry and can be retrieved through the programming menu Additional diagnostic LEDs are located on the controller located behind the right side panel See wiring schematics for LED locations and descriptions Disconnect power before servicing machine Failure to do so can result in risk of electric shock Problem LCD display not illumi nated Possible Cause Power switch turned OFF No power supplied to machine Ground Fault Circuit Interrupter GFCI has tripped e Machine control transformer circuit breaker has tripped Fuse has blown Faulty wiring connections Solution e Press and release I O button located under the display Turn power switch ON Ensure machine is plugged in at wall socket Reset GFCI if applicable at power outlet Check if green LED is illuminated on control board located behind right panel If LED is not illuminated reset the control transformer circuit breaker located next to the control board NOTE An overload condition can reoccur The overload condition must be diagnosed and corrected Replace fuse see figure on right Ensure all wiring connectors are plugged into display board and control board correctly Check if any wires have pulled loose from termi nals Fuse zi 63395 LCD display shows error code i e SC 1 2 3 etc SC1 No Water Pressure This featu
32. through the lower front open K E and replace ing of the hopper the cover Remove the palnut at the ae n Reinstall hopper into the rear of the hopper by turning Ti L machine making sure it is it counterclockwise then remove hi F1 E properly aligned e Sa the driveshaft bearing from the E E e inside of the hopper EDS Driveshaft Bearing 1 0 All parts in contact with food must be washed rinsed sanitized and air dried Open lid and install coffee Install funnel cover with large tube attached Model FDD2500 Page 9 Prepare for Shipment Important Always completely empty water tank and PRODUCT HOPPERS prior to shipping unit See Draining the Tank and Cleaning the Hoppers section NEVER SHIP UNIT WITH PRODUCT IN HOPPER OR WATER IN TANK THIS WILL CAUSE IRREPARABLE DAMAGE Draining the Tank Always empty the tank before shipping ZN WARNING Draining of the tank should be performed by a qualified service technician The tank contains 7 5 gallons 28 4L of very hot water May cause severe burns Prepare a heat resistant container to drain 7 5 gallons Pinch hose with fingers and 28 4L of hot water from the tank into remove the hose clamp and plug Disconnect power to machine Allow the tank to drain completely NOTE It may be necessary to pinch the hose and stop the water before container is full Carefully re install plug then empty container Repeat steps 4 6 to completely drain tan
33. utside rear hopper opening Use one hand inside the hopper to push the bearing outward while turning the Lift open lid and remove coffee spill y ur N palnut clockwise pan Remove the hopper from the cabinet E Install the auger spring driveshaft AUGER SPRING DRIVESHAFT and the auger spring by inserting the Sa SPRING flat end of the spring into the Remove the hopper Insert assembly into lower front hopper cover and empty x opening making sure the threaded end of ici hopper contents a e the auger spring driveshaft completely inserts into the plastic driveshaft bearing in the rear of the hopper The driveshaft bearing threads should be accessible Remove the auger pinwheel by pulling it Place the washer over the driveshaft forward while stretching out the sides of bearing threads followed by securing the hopper the drivelink onto the driveshaft bearing by turning counterclockwise Secure the auger spring with one hand while attaching the drivelink with the other Remove the drivelink and washer at Replace the auger pinwheel making sure the rear of the hopper by holding the the pins are securely positioned inside the auger spring with one hand at the front locator holes in the hopper of the hopper while turning the drivelink clockwise with the other hand Remove the auger Carefully fill spring and auger spring AUGER SPRING DRIVESHAFT the hopper driveshaft by pulling out PUGER SPRING with product
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