FS-1001MLH(-C) Service Manual
Contents
1. CONDENSING FUSIBLE I 1 PRESSURE PLUG 2 SHUTOFF REGULATOR 7 RECEIVER TANK 2 BE LOW PRESSURE SWITCH 1 7 CONDENSER K FAN MOTOR LOW PRESSURE SWITCH 2 COMPRESSOR REFRIGERATION CIRCUIT 15 B Wiring Diagram 1 lcemaker FS 1001MLH C BK BLACK 0 ORANGE BR BROWN P PINK DBU DARK BLUE R RED Y GRAY VIOLET LBU LIGHT BLUE W WHITE Y YELLOW WR WHITE RED N W BU WHITE BLUE W BR WHITE BROWN W BK WHITE BLACK W O WHITE ORANGE GEAR THERMAL AR HEATER EM FOR CUBELET MODEL ONLY 7 3 3505 010 16 2 Condensing Unit a SRC 10H BK BLACK 0 ORANGE 208 230 60 1 3 WIRE WITH NEUTRAL FOR 115V Deum v GY GRAY WHITE BR W n 189 227MF DBU STARTER L CRANKCASE HEATER LOW PRESS LOW PRESS HIGH PRESS SWITCH 1 SWITCH 2 SWITCH 17 C Sequence of Electrical Circuit 1 Icemaker 1 When the power switch is moved to the position and the flush switch to the ICE position water starts to be supplied to the reservoir BK BLACK 0 ORANGE BR BROWN DBU DARK BLUE R RED GY GRAY VIOLET LBU LIGHT BLUE WHITE w Y YELLOW WR WHI TE RED N W BU WHITE BLUE W BR WHI TE BROWN W BK WHITE BLACK W O W1ITE ORANGE HEATER FOR CUBELET MODEL ONLY 3435052. 5 D 8 Bin Control gu 3 1 9 Gear Motor a zl EE 27 Low Water Bin A Sensor Flush Timer Water Level Upper Float Off Switch m ui I ad ua orc mm NN Water Control on Control Water Valve Flush Timer 2 Um B Fush switch rush Ice eo UI 7 Fush Water fon Valve Off j Bin Control On _ Gear Motor 3 Pam 0 Gear Motor im l Fan Motor mmm ee LM 60 ct 60 sec Pumpdown mi mii Heater On 28 Flush Switch Pressure Switch Flush ice Off On C T 1 Water Level UI Upper Float Switch ee e 3 Water Control mmm m JN a HEN E E Control Water on Valve Off L C 5 Fush Timer l LL LL Flush Switch Flush
3. l L l _ LI 7 FlushWater fon 0 Valve Off 1 11 8 Bin Control On ji LL LL D S Gear Motor JEn lll kawa 10 Gear Motor EN 11 Fan Motor Pumpdown m Solenoid mm an O EE 29 E Performance Data 1 FS 1001MLH No Data Available We reserve the right to make changes in specifications and design without prior notice 30 Water Temp F o 18 2 33 23 33 Temp 2 FS 1001MLH C Performance Data APPROXIMATE ICE PRODUCTION PER 24 HR Ibs DAY APPROXIMATE ELECTRIC CONSUMPTION watts APPROXIMATE WATER CONSUMPTION PER 24 HR gal day EVAPORATOR OUTLET TEMP F C HEAD PRESSURE PSIG kg sq cmG SUCTION PRESSURE PSIG kg sq cmG HEAT OF REJECTION FROM HEATOF REJECTION FROM BODY 130 BTU hr AT 90 F WT 70 F Note The data without marks should be used for reference We reserve the right to make changes in specifications and design without prior notice 31 IV Service Diagnosis A No Ice Production 1 lcemaker Possible Cause 1 The icemaker will not Power Supply 1 OFF position 1 Move to ON position 3 Bad contacts 3 Check for continuity and replace 4 Blown fuse 4 Repla
4. Control Box 2 Condensing Unit a SRC 10H C Control Box Layout 1 lcemaker a FS 1001MLH C Capacitor Transformer Flush cam Switch Timer Power Water Control Switch Relay Fuse e Timer Board 1A Relay Fuse 1 Gear Motor Timer Board Time Delay Relay Connector 12 2 Condensing Unit a SRC 10H Pressure Switch Low Pressure Switch 2 Safety Cut out 3 psig Cut in 6 psig manual reset Low Pressure Switch 1 Control Cut out 9 psig Cut in 29 psig Starter Relay Magnetic Contactor Capacitor Capacitor Start T IE Capacitor Run Technical Information A Water Circuit and Refrigeration Circuit 1 Icemaker a FS 1001MLH C CONTROL WATER VALVE SPOUT gt TOAN I INSULATION WATER RESERVOIR m INLET C WATER LEVEL JI 5 NI FLOAT SWITCH EXPANSION ANE OVERFLOW gt i _ FLUSH GEAR MOTOR OUTLET DRAIN PAN DRIER SOLENOID X VALVE 0 E STRAINER pose E 1 SRC 10H CONDENSING 55 UNIT VALVE 0 wn am i WATER CIRCUIT lt REFRIGERANT CIRCUIT 14 2 Condensing Unit a SRC 10H COUPLING COUPLING SHUTOFF A I VALVE NOR l CONDENSER PRESSURE ACCESS SWITCH VALVES
5. RD TP E et 2 FS A00IMLH eq u u u E Ea 6 B Condensing URI Met 7 T SRC TOH Sasso 7 Il General Informat OMe 8 DIMENSIONS e 8 8 ee eaten et 8 a FS 1001 8 Me 9 9 Bil 10 UU ET 10 FS 100IMLHIEC u uuu E 10 2 Condensing Unies isa 11 Ss 000008 11 2300000 12 12 a FS 1001MLH C sre Sua E aasan 12 2 Condensing p me eee 13 a SRC ANOM M TEE HR NR Ren 13 E u uu u 14 Water Circuit and Refrigeration Circuit 14 TEICOMAKEF 14 14 EE a oo cee 15 15 B Wiring 1 a d Dd 16 16 a FS 1001MLEIEG 16 aaa maa D REOR kaisa 17 ne nnn 17 C Sequence of Electrical Circuit ae e 18 S 18 TIMING CHATT 27 E Perlorimamce Data zur uu 30 ER foe eer OPEP
6. HOSHIZAKI MODULAR FLAKER MODEL FS 1001MLH C ALSO COVERS HOSHIZAKI CONDENSING UNIT MODEL SRC 10H SERVICE MANUAL IMPORTANT Only qualified service technicians should attempt to service or maintain this icemaker No such service or maintenance should be undertaken until the technician has thoroughly read this Service Manual HOSHIZAKI provides this manual primarily to assist qualified service technicians in the service and maintenance of the icemaker Should the reader have any questions or concerns which have not been satisfactorily addressed please call or write to the HOSHIZAKI Technical Support Department for assistance HOSHIZAKI AMERICA INC 618 Highway 74 South Peachtree City GA 30269 Attn HOSHIZAKI Technical Support Department Phone 1 800 233 1940 Technical Service 770 487 2331 Fax 1 800 843 1056 770 487 3360 Web Site www hoshizakiamerica com NOTE To expedite assistance all correspondence communication MUST include the following information Model Number Serial Number Complete and detailed explanation of the problem Please review this manual It should be read carefully before the icemaker is serviced or maintenance operations are performed Only qualified service technicians should service and maintain the icemaker This manual should be made available to the technician prior to service or maintenance CONTENTS l Specifications masih rr te A
7. IMPORTANT Always install a new drier every time the sealed refrigeration system is opened Do not replace the drier until after all other repair or replacements have been made 1 Turn off the power supply and remove the panels 2 Remove the terminal cover on the compressor and disconnect the compressor wiring 3 Recover the refrigerant and store it in an approved container if required by an applicable law 4 Remove the discharge suction and access pipes from the compressor using brazing equipment WARNING When repairing a refrigerant system be careful not to let the burner flame contact any electrical wires or insulation 5 Remove the bolts and rubber grommets 6 Slide and remove the compressor Unpack the new compressor package Install the new compressor 7 Attach the rubber grommets of the prior compressor 39 8 Sandpaper the discharge suction and access pipes 9 Place the compressor in position and secure it using the bolts 10 Remove plugs from the discharge suction and access pipes 11 Braze the access suction and discharge lines Do not change this order while purging with nitrogen gas flowing at a pressure of 3 4 psig 12 Install the new drier in the icemaker 13 Check for leaks using nitrogen gas 140 psig and soap bubbles 14 Evacuate the system and charge it with refrigerant See the rating label on the control box in the icemaker for the required refrigerant charge and type
8. position to drain the remainder of the solution 13 After the solution is drained move the flush switch to the ICE position 14 Replace the front panel in its correct position 15 Open the water supply line shut off valve and supply water to the reservoir 53 16 When the gear motor starts remove the front panel and turn off the power supply 17 Drain out all water from the water line See 2 and 3 18 Move the flush switch to the ICE position and run the icemaker 19 Turn off the power supply after 30 minutes 20 Pour warm water into the storage bin to melt all ice and then clean the bin liner with the solution 21 Flush out any solution from the storage bin 22 Turn on the power supply and start the automatic icemaking process IMPORTANT 1 After cleaning do not use ice made from the sanitizing solution Be careful not to leave any solution in the storage bin 2 Follow carefully any instructions provided with the bottles of cleaning or sanitizing solution 3 Never run the icemaker when the reservoir is empty 54 Maintenance Instructions IMPORTANT 1 This icemaker must be maintained individually referring to the instruction manual and labels provided with the icemaker 2 To achieve optimum icemaker performance the following parts need periodic inspection and maintenance Extruding Head and Upper Bearing Housing and Lower Bearing Evaporator Cylinder Auger Gear Motor Mechanical Seal T
9. 1 Cleaning Solution Dilute 4 8 fl oz 142 ml of recommended cleaner Hoshizaki Scale Away or LIME A WAY Economics Laboratory Inc with 0 8 gallons 3 1 of warm water This is a minimum amount Make more solution if necessary IMPORTANT For safety and maximum effectiveness use the solution immediately after dilution 2 Cleaning Procedure The cleaning process will remove lime deposits from the water system 1 Remove the front panel and top panel then turn off the power supply 2 Close the water supply line shut off valve 3 Remove all ice from the storage bin 4 Move the flush switch to the FLUSH position 5 Turn on the power supply and drain out all water from the water line 6 Turn off the power supply 7 Remove the control water valve by removing the fitting nut and two mounting screws Do not lose the packing 8 Check the control water valve screen for debris and clean as necessary 50 9 Replace the control water valve in its correct position 10 Remove the strap connecting the spout to the chute assembly 11 Remove the thumbscrews securing the spout and lift it off 12 Pour the cleaning solution over the extruding head until the evaporator assembly and the reservoir are filled and the solution starts to overflow into the drain pan Note If there is excess scale on the extruding head fill the evaporator assembly and reservoir as described above then use a clamp on the reservoir hose
10. 404A can be decomposed to form hydrofluoric acid and carbonyl fluoride both of which are hazardous Always recover the refrigerant and store it in an approved container Do not discharge the refrigerant into the atmosphere Do not use silver alloy or copper alloy containing arsenic Do not use R 404A as a mixture with pressurized air for leak testing Refrigerant leaks can be detected by charging the unit with a little refrigerant raising the pressure with nitrogen and using an electronic leak detector 38 C Service for Condensing Unit Note 1 The condensing unit is wired independently from the icemaker The compressor and condenser fan motor energize when the suction line primary low pressure switch closes This switch has a cut out point of 9 psig and a cut in point of 29 psig Because of the independent wiring the condensing unit may periodically energize for short periods of time in order to keep suction pressures from building This is an automatic continuous pumpdown and is perfectly normal for the machine 2 A secondary low pressure switch exists in the suction line to ensure that the machine will not be damaged should the primary switch fail It has a cut out point of 3 psig and a differential of 6 psi The switch is also equipped with a manual reset so that if it activates and shuts the condensing unit down it must be reset after the cause of the failure has been found 1 Removal and Replacement of Compressor
11. one without the studs faces the actuator so that the bent surface can guide the ice to the center of the actuator 15 Move the flush switch to the ICE position then turn on the power supply Replace the top panel and front panel in their correct positions Make ice using the solution until the icemaker stops making ice Note Always discard the contaminated ice produced during this procedure 5 Sanitizing Procedure Final 1 Remove the front panel and top panel then turn off the power supply 2 Move the flush switch to the FLUSH position 3 Turn on the power supply and drain out all water from the water line 4 Turn off the power supply 5 Remove the strap connecting the spout to the chute assembly 6 Remove the thumbscrews securing the spout and lift it off 7 Pour the sanitizing solution over the extruding head until the evaporator assembly and the reservoir are filled and the solution starts to overflow into the drain pan 8 Replace the spout and strap in their correct positions 9 Allow the icemaker to sit for about 10 minutes before operation 10 Move the flush switch to the ICE position then turn on the power supply Replace the top panel and front panel in their correct positions Make ice using the solution until the icemaker stops making ice Note Always discard the contaminated ice produced during this procedure 11 Remove the front panel 12 Move the flush switch to the FLUSH
12. specifications and design without prior notice 208 230 60 1 3 WIRE W NEUTRAL FOR 115V 208 230 9 6 RLA 46 LRA 120 V 3A MAX 120 V 0 5 20 20 20 20 28 1 4 x 23 x 19 7 8 717 x 584 x 506mm 30 1 4 x 25 3 8 x 34 7 8 770 x 645 x 886mm Galvanized Steel Net 143 Ibs 65 kg Shipping 169 Ibs 77 kg Permanent Connection Discharge line 1 1 16 12 UNF Fitting 10 AEROQUIP Liquid line 5 8 18 UNF Fitting 6 AEROQUIP Hermetic Model RS80 C2E CAV Air cooled fin and tube type Thermal Protector Auto reset High Pressure Switch Manual low Pressure Switch Condenser Pressure Regulator Auto reset Low Pressure Switch R 404A 8 2 3800g Ice Maker 4 oz Cond Unit 8 Ib 2 oz High 427 PSIG Low 230 PSIG Internal Protector Leg 2 pcs Hex Head Bolt w Washer 8X16 8 pcs Hex Nut 8 pcs VOLTAGE RANGE 187 253 V AMBIENT TEMP HEAT OF REJECTION 4 1225 10500 BTU hr B Condensing Unit 1 SRC 10H AC SUPPLY VOLTAGE COMPRESSOR FAN MOTOR OTHER MAXIMUM FUSE SIZE HACR BREAKER USA ONLY CIRC BREAKER CANADA ONLY MINIMUM CIRCUIT AMPACITY EXTERIOR DIMENSIONS WxDxH DIMENSIONS WITH LEGS WxDxH EXTERIOR FINISH WEIGHT approximate CONNECTIONS ELECTRIC REFRIGERATION CIRCUIT COMPRESSOR CONDENSER FAN MOTOR PROTECTION REFRIGERATION PROTECTION REFRIGERANT CONTROL PUMPDOWN CONTROL REFRIGERANT CHARGE DESIGN PRESSURE COMPRESSOR PROTECTION ACCESSORIES SUPPLIED OP
13. 010 18 2 When the reservoir has been filled the gear motor starts immediately BK BLACK 0 ORANGE BROWN DBU DARK BLUE RED GY GRAY VIOLET LBU LIGHT BLUE WHITE p BS YELLOW WR WHITE RED 1 1 W BU WHITE BLUE W BR WHI TE BROWN pp In W W BK WHITE BLACK W O WHITE ORANGE 120V GEAR THERMAL MOTOR 22 HEATER 26A FOR CUBELET MODEL ONLY 3 3505 010 19 3 The pumpdown solenoid valve energizes about 60 sec after the gear motor starts BK BLACK 0 ORANGE BR BROWN DBU DARK BLUE GY GRAY VIOLET LBU LIGHT BLUE WHITE YELLOW WIR WHI TE RED N W BU WHITE BLUE W BR WHI TE BROWN W BK WHITE BLACK W O WHITE ORANGE 115 120 60 1 Me BIN CONTROL SENSOR THERMAL R PROTECTOR W 2 26 FOR CUBELET MODEL ONLY 383505 10 20 4a The bin control sensor operates and the pumpdown solenoid deenergizes after a time delay set by the user 60 seconds after that the gear motor stops BK BLACK 0 ORANGE BR BROWN P PINK DBU DARK BLUE RED GRAY V VIOLET LBU LIGHT BLUE WHITE p EH L YELLOW WIR WHITE RED N W BU WHITE BLUE W BR WHI TE BROWN L W BK WHITE BLACK W O WHITE ORANGE HEA
14. 15 Connect the terminals to the compressor and replace the terminal cover in its correct position 16 Replace the panels in their correct positions and turn on the power supply 2 Removal and Replacement of Condensing Pressure Regulator C P R IMPORTANT Always install a new drier every time the sealed refrigeration system is opened Do not replace the drier until after all other repairs or replacements have been made 1 Turn off the power supply to the condensing unit 2 Remove the panels from the condensing unit 3 See chapter V section A 2 a and perform the complete evacuation procedure 4 Recover the refrigerant and store it approved container 5 Remove the C P R using brazing equipment 6 Braze the new C P R with nitrogen gas flowing at a pressure of 3 4 psig WARNING Always protect the C P R body by using a damp cloth to prevent the C P R from overheating Do not braze with the C P R body exceeding 250 F 40 7 Install the new drier in the icemaker 8 Check for leaks using nitrogen gas 140 psig and soap bubbles 9 Evacuate the system Charge All Brazing connection 0 it with refrigerant See the diia rating label on the control box DIL lt from Compressor in the icemaker to Receiver Tank 10 Replace the panels their correct position 11 Turn on the power supply from Condenser Unit Out D Removal and Replacement of Drier
15. ERATING CONDITIONS We reserve the right to make changes in specifications and design without prior notice General Information A Dimensions 1 Icemaker Unit inches mm a FS 1001MLH C ICE MAKER WATER INLET POWER SUPPLY CORD L 96 2438 4 _ 2 7 8 rir 109 8 1 2 655 12 114 REFRIG LIQUID LINE 3111 1 5 8 18 UNF FITTING REFRIG SUCTION LINE l 1 16 12 UNF FITTING DRAIN 3 4 10997 ICE DISCHARGE HOLE 05 1 4 134 HOLE Unit inches mm LIQUID REFRIGERATION LINE FITTING ELECTRICAL SUPPLY HOLE J x SUCTION REFRIGLRATION LINE LIIIING 1029 30 O23 ELECTRICAL SUPPLY HOLE 2 Condensing Unit a SRC 10H 30 5 16 110 29 11 32 145 25 31 32 Et 1 EN J cs LO BSS SE a 24 13 32 620 26 25 32 680 28 1 4 Se TS 13 32 LC Cx 10 Valve T AN NW UN pase Ch Beam Sensor I gt 0 7 Valve Expansion Evaporator 4 lt Ice Chute gt 5 5 6 E p 5 Bin Control Valve Control Water a FS 1001MLH C B Construction 1 lcemaker
16. IMPORTANT Always install a new drier every time the sealed refrigeration system is opened Do not replace the drier until after all other repair or replacements have been made 1 Turn off the power supply and remove the panels 2 See chapter V section A 2 for evacuation procedure 3 Recover the refrigerant and store it in an approved container if required by applicable law 4 Remove the drier using brazing equipment 5 Install the new drier with the arrow on the drier in the direction of the refrigerant flow Use nitrogen gas at a pressure of 3 4 psig when brazing the tubings 6 Check for leaks using nitrogen gas 140 psig and soap bubbles 7 Evacuate the system and charge it with refrigerant See the rating label on the control box in the icemaker for the required refrigerant charge and type 8 Replace the panels in their correct position and turn on the power supply 41 Removal and Replacement of Expansion Valve IMPORTANT Sometimes moisture in the refrigerant circuit exceeds the drier capacity and freezes up at the expansion valve Always install a new drier every time the sealed refrigeration system is opened Do not replace the drier until after all other repairs or replacements have been made 1 Turn off the power supply and remove the panels 2 See chapter V section A 2 for evacuation procedure 3 Recover the refrigerant and store it in an approved container if required by applic
17. NSOR CAP 24MFD HEATER FOR CUBELET MODEL ONLY 33505 0410 24 7 When the flush timer operates for 15 min every 12 hours BK BLACK 0 ORANGE BR BROWN DBU DARK BLUE R RED GY GRAY VIOLET LBU LIGHT BLUE WHITE po Y YELLOW WIR WHI TE RED 1 1 W BU WHITE BLUE WHI TE BROWN W BK WHITE BLACK W O WHITE ORANGE BIN CONTROL SENSOR HEATER FOR CUBELET MODEL ONLY 3 3505 010 25 8 If the gear motor fuse blows the solenoid valve and gear motor will turn off immediately BK BLACK 0 ORANGE BR BROWN P PINK DBU DARK BLUE R RED GY GRAY V VIOLET LBU LIGHT BLUE W WHITE Y YELLOW WIR WHITE RED 1 N W BU WHITE BLUE W BR WHITE BROWN W BK WHITE BLACK W O WHITE ORANGE PUNPDDN SOLENOID VALVE BIN CONTROL SENSOR FOR CUBELET MODEL ONLY 343505 010 26 D Timing Chart Bin Control Switch Off T U FF EEE 1 Water Level Mo pe rese 1111 riii 2 Float T Switch 3 Water Control On _ mmm mmm m T mmm s 1 m Valve p l EHE PERENNE EE RN 6 Flush Switch LII mE Ice j ana m ID E Valve Off L
18. NUM 30 31 Selvice Diagnosis m 32 A No lee TT e 32 ioci M 32 2 Condensing 0 34 A EOW Ce 34 KHCN 35 V Removal and Replacement of Components 36 A Service Tor Refrigerant Lines 1 1 1 1 1 1 1 1 36 l 261110618011 RECOV GLY si asa c c ad anc 36 2 Evacuation and Recharge R 404A 36 a MIRI 36 b Partial evacuation with pumpdown 37 B Brazing e 38 Service for Condensing Unit PTT 39 1 Removal and Replacement of 39 2 Removal and Replacement of Condensing Pressure Regulator C P R 40 D Removal and Replacement OF Drier 41 E Removal and Replacement of Expansion Valve 42 F Removal and Replacement of Evaporator Assembly 43 G Removal and Replacement of Control Water Valve 47 H Remov
19. Storage WARNING When shutting off the icemaker for an extended time drain out all water from the water line and remove the ice from the storage bin The storage bin should be cleaned and dried Drain the icemaker to prevent damage to the water supply line at sub freezing temperatures using air or carbon dioxide Shut off the icemaker until the proper ambient temperature is resumed 1 Run the icemaker with the water supply line shut off valve closed 2 Open the drain valve and blow out the water inlet line by using air pressure 3 Turn off the power supply 4 Remove the front panel 5 Move the flush switch on the control box to the FLUSH position 6 Turn on the power supply and then drain out all water from the water line 7 Turn off the power supply 8 Turn off the power switch on the control box Water Supply Line 9 Replace the front panel in its correct position Shut off Valve 10 Close the drain valve 11 Remove all ice from the storage bin and clean the bin Air or CO2 49 8 Cleaning and Sanitizing Instructions WARNING HOSHIZAKI recommends cleaning this unit at least once a year More frequent cleaning however may be required in some existing water conditions TO prevent injury to individuals and damage to the icemaker do not use ammonia type cleaners Always wear liquid proof gloves to prevent the cleaning and sanitizing solutions from coming into contact with skin
20. TER EM FOR CUBELET MODEL ONLY 7 343505 010 21 4b Should the bin control sensor fail and the bin control switch operate the pumpdown solenoid valve and gear motor will stop simultaneously 6 sec after operation BK BLACK 0 ORANGE BR BROWN P PIK DBU DARK BLUE R RED GY GRAY V VIOLET LBU LIGHT BLUE Y YELLOW WIR WHI TE RED L N W BU WHITE BLUE W BR WHITE BROWN W BK WHITE BLACK W O WHITE ORANGE PUHPDONN SOLENOID VALVE FOR CUBELET MODEL ONLY 3 3505 010 22 5 Low water BLACK 0 ORANGE BR BROWN DBU DARK BLUE R RED GY GRAY V VIOLET BLUE WHITE poo YELLOW WIR WHITE RED L N via WHITE BLUE W BR WHITE BROWN W BK WHITE BLACK W O WHITE ORANGE PUNPDDWN SOLENOID VALVE BIN CONTROL SENSOR GEAR CAP MOTOR y 2490 THERMAL PROTECTOR AR FOR CUBELET MODEL ONLY 343505 040 23 6 When the flush switch is moved to the FLUSH position the flush water valve opens and flushes the reservoir and evaporator BK BLACK 0 ORANGE BR BROWN DBU DARK BLUE R RED GY GRAY V VIOLET LBU LIGHT BLUE WHITE Y YELLOW WIR WHI TE RED L N W BU WHITE BLUE W BR WHITE BROWN W BK WHITE BLACK WHITE ORANGE SOLENOID VALVE BIN CONTROL SE
21. able law 4 Remove the expansion valve bulb at the evaporator outlet 5 Remove the expansion valve cover and remove the expansion valve using brazing equipment 6 Braze the new expansion valve with nitrogen gas flowing at a pressure of 3 4 psig WARNING Always protect the valve body by using a damp cloth to prevent the valve from overheating Do not braze with the valve body exceeding 250 F 7 Install the new drier 8 Check for leaks using nitrogen gas 140 psig and soap bubbles 9 Evacuate the system Charge it with refrigerant See the rating label on the control box in the icemaker for the required refrigerant charge and type 10 Attach the bulb to the suction line and make it level Be sure to secure the bulb using a band and to insulate it 11 Place the new set of expansion valve covers in position 12 Replace the panels in their correct position and turn on the power supply 42 F Removal and Replacement of Evaporator Assembly 1 Turn off the power supply 2 Remove the panels 3 Move the flush switch to the FLUSH position 4 Turn on the power supply and drain out all water from the water line 5 Turn off the power supply 6 Remove the strap connecting the spout to the chute assembly 7 Remove the three thumbscrews and take off the spout from the evaporator Cutter 8 Remove the bolt and lift off the cutter 9 Remove the rubber O ring and the nylon ring at the top of the evapor
22. above procedure 7 Open the water supply line shut off valve 8 Check for water leaks 9 Replace the panels in their correct position then turn on the power supply 47 H Removal and Replacement of Flush Water Valve 1 Turn off the power supply remove the panels and close the water supply line shut off valve 2 Remove the clamp and disconnect the flush water valve Note Water may still remain inside the evaporator Be sure to drain the water into the drain pan 3 Disconnect the terminals from the flush water valve 4 Remove the flush water valve from the bracket 5 Remove the drain pipe from the flush water valve 6 Connect the drain pipe to the new flush water valve and place the valve in position 7 Connect the hose to the flush water valve and secure it with the clamp 8 Pour water into the reservoir and check for water leaks on the flush water valve 9 Open the water supply line shut off valve then turn on the power supply 10 Move the flush switch to the ICE position 11 Check for water leaks 12 Move the flush switch to the FLUSH position and make sure water is flushing 13 Move the flush switch to the ICE position 14 Replace the panels in their correct position 48 VI Cleaning and Maintenance IMPORTANT Ensure all components fasteners and thumbscrews are securely in place after any maintenance or cleaning is done to the equipment A Preparing the Icemaker for Long
23. al and Replacement of Flush Water Valve 48 VI Cleaning and Maintenance Te OO o S T 49 A Preparing the Tcemaker tor Long Storage 49 B Cleaning and Sanitizing 50 I STUN Sm 50 2 Cleaning 50 SNR 52 4 Sanitizing Procedure Initial sooo eta pae Ep tectus deo Code 52 5 Sanitizing Proced re asa 53 55 Specifications Icemaker 1 FS 1001MLH Data Available We reserve the right to make changes in specifications and design without prior notice 5 115 60 1 120 120 V 15A 15A 15A 15A Ambient Temp F 3 FLA 1 4 HP 0 03A WATER TEMP 70 830 380 805 365 785 355 80 765 350 750 340 730 330 90 710 325 705 320 680 310 100 650 295 600 275 Cubelet Approx 80 Ice 90 70 F Conductivity 200 us cm N A 90 70 F 70 50 F 1745 5 96 1713 4 94 FS 1001MLH C amp SRC 10H 331 1 13 345 1 00 FS 1001MLH C ONLY 84 12 100 12 30 x 11 x 26 766 x 279 x 660mm Stainless Steel Net 126 Ibs 57 kg Shipping 166 Ibs 75 Cord Connection Inlet 1 2 FPT Outlet 3 4 Suction line 1 1 16 12 UNF Fitting 10 AEROQUIP Liquid line 5 8 18 UNF Fitting 6 AEROQUIP Auger type Direct Driven Auger 1 4 HP Gear Motor Float Switch N A Photoelctric Se
24. ator Extruding Head 10 Replace the bolt in the auger shaft Use the p 02 Round Stock bolt to move the auger towards you and then or Pin Gauge try to insert a 02 round stock or pin gauge in between the back side of the auger shaft and the bearing surface Check several locations around the auger shaft If the gauge goes between the shaft and the bearing at any point both the top bearing in the extruding head and the lower bearing in the housing should be replaced Instructions for removing the housing are located later in this procedure Note Replacing the bearing requires a bearing press adaptor If one is not available replace the whole extruding head and housing 11 Remove the four socket head cap screws and lift off the extruding head Auger 12 Lift off the auger If the area in contact with the bearing is worn out or the blade scratched replace the auger 43 Evaporator Note Skip the following steps 13 through 15 when the evaporator does not need replacement 13 See chapter V section A 2 b and perform the partial evacuation procedure 14 Recover the refrigerant and store it in an approved container if required by an applicable law IMPORTANT Always install a new drier every time the sealed refrigeration system is opened Do not replace the drier until after all other repair or replacements have been made 15 Remove the bulb of the expansion valve 16 Disconnect the brazing conn
25. between the reservoir and evaporator assembly to block flow Pour additional cleaning fluid over the extruding head until the evaporator assembly is completely full 13 Replace the spout and strap in their correct positions 14 Allow the icemaker to sit for about 10 minutes before operation If you placed a clamp on the reservoir hose in step 9 remove it before operation 15 Move the flush switch to the ICE position then turn on the power supply Replace the top panel and front panel in their correct positions Make ice using the solution until the icemaker stops making ice Note Always discard the contaminated ice produced during this procedure 16 Remove the front panel 17 Move the flush switch to the FLUSH position to drain the remainder of the solution 18 After the solution is drained move the flush switch to the ICE position 19 Replace the front panel in its correct position 20 Open the water supply line shut off valve and supply water to the reservoir 21 When the gear motor starts remove the front panel and turn off the power supply 22 Drain out all water from the water line See 4 through 6 51 3 Sanitizing Solution Dilute 2 5 fl oz 74 ml or 5 tbs of IMS II Sanitizer or a 5 25 sodium hypochlorite solution chlorine bleach with 5 gallons 19 1 of warm water IMPORTANT For safety and maximum effectiveness use the solution immediately after dilution 4 Sanitizing Proce
26. ce b Power Switch 1 Off position 1 Move to ON position Control Box 2 Bad contacts 2 Check for continuity and EM c Fuse Control Box 1 Blown out 1 Check for short circuit and d Circuit Protect Relay 1 Miswiring 1 Check power supply e Flush Timer Flushing out 1 Wait for 15 minutes Bad contacts 2 Check for continuity and replace Flush Switch FLUSH position 1 Move to ICE position 2 Bad contacts 2 Check for continuity and replace g Transformer 1 Coil winding opened 1 Replace h Control Water Valve 1 Coil winding opened 1 Replace i Shut off Valve 1 Closed 2 Water failure 2 Wait until water is supplied j Plug and Receptacle Control Box 5 Terminal out of plug or 5 Insert iS back in receptacle position k Bin Control Sensor Failed sensor Check LED with power Switch on Replace if necessary 2 Wet or scaled eye 2 Wipe off and clean sensor eye 2 Water does not stop a Water Control Relay 1 Contact fused 1 Replace and the icemaker will 2 Coil winding opened 2 Replace not start b Float Switch 1 Bad contacts 1 Check for continuity and replace 2 does not move 2 Clean or puc Flush Water Valve 1 Valve seat clogged 1 Mos NN or replace and water leaking Hoses Disconnected Connect 32 Possible Cause 3 Water has been Water Control Relay Bad contacts Check for continuity and suppl
27. densing unit too warm 3 Condensing unit out of 3 Check condensing unit PER adjustable low 2 Low side pressure too 2 See if expansion valve i bulb is mounted properly and replace the valve if necessary C Other Possible Cause M surfaces Gear Motor Ice Bearing or gear worn Replace loss 2 Scale on inside wall 2 Remove auger Use freezing cylinder SCALE AWAY or LIME A WAY solution to clean periodically If the water is found hard by testing install a softener 2 Overflow from a Water Supply 1 Water pressure too 1 Install a pressure reducing reservoir Water does high valve close Float Switch Bad contacts Check for continuity and 3 Gear motor fuse Power Supply Voltage 1 Too high or too low Connect the unit to a blown frequently power supply of proper voltage worn out auger Bin Control Bad contacts Check for continuity and 2 Actuator does not 2 Clean shaft and its move freely corresponding holes or replace bin control 35 V Removal and Replacement of Components IMPORTANT Ensure all components fasteners and thumbscrews are securely in place after the equipment is serviced IMPORTANT The Polyolester POE oils used in R 404A units can absorb moisture quickly Therefore it is important to prevent moisture from entering the system when replacing or servicing parts Always install a new filter drier every
28. dure Initial The sanitizing process will sanitize the icemaker 1 Close the water supply line shut off valve 2 Remove the strap connecting the spout to the chute assembly 3 Remove the thumbscrews securing the spout and lift it off Remove the rubber O ring and nylon O ring at the top of the cylinder and also remove the packing between the spout and the chute 4 Pour the sanitizing solution over the extruding head until the evaporator assembly and the reservoir are filled and the solution starts to overflow into the drain pan 5 Remove the two thumbscrews securing the proximity switch to the chute assembly 6 Remove the chute assembly from the icemaker 7 Remove the packing at the bottom of the ice chute 8 Remove the three ties and the chute insulation 9 Remove the six wing nuts and two baffles 10 Remove the two thumbscrews the plate and the packing from the top of the ice chute then remove the bin control assembly by sliding it slightly toward the chute opening and lifting it off 11 Disassemble the bin control assembly by removing the two snap pins shaft and actuator 12 Soak the removed parts in 25 gallons 1 1 of sanitizing solution for 10 minutes then wipe them down 13 Rinse the parts thoroughly IMPORTANT If the solution is left on these parts they will rust 52 14 Replace all parts in their correct positions IMPORTANT When installing the baffles make sure that the bent surface the
29. ections of the expansion valve and the copper tube low side from the evaporator using brazing equipment 17 Remove the two truss head machine screws and the strap securing the evaporator 18 Disconnect the two hoses from the evaporator 19 Remove the four socket head cap screws securing the evaporator to the housing 20 Lift off the evaporator Housing Lower Bearing and Mechanical Seal 21 The mechanical seal consists of two parts One moves along with the auger and the other is fixed on the housing If the contact surfaces of these two parts are worn or scratched the mechanical seal may cause water leaks and should be replaced 22 Remove the O ring from the housing 23 Remove the six bolts and the housing from the gear motor If inspection of the bearing inside the extruding head earlier in this procedure indicated that it is out of tolerance replace both it and the bearing inside the housing Note Replacing the bearing requires a bearing press adaptor If one is not available replace the whole extruding head and housing 44 Gear Motor 24 Remove the coupling spline on the gear motor shaft 25 Remove the barrier on the top of the gear motor 26 Remove the three socket head cap screws securing the gear motor 27 Assemble the removed parts in the reverse order of the above procedure WARNING Be careful not to scratch the surface of the O ring or it may cause water leaks Handle the mechanical seal with care no
30. hese parts should be inspected at least once a year or every 10 000 hours of operation Their service life however depends on water quality and environment More frequent inspection and maintenance are recommended in bad or severe water conditions Replacement of the following consumable parts is recommended if wear exceeds factory recommendations Upper Bearing Lower Bearing Mechanical Seal Consult with your local distributor about inspection and maintenance service To obtain the name and phone number of your local distributor call Hoshizaki Technical Support at 1 800 233 1940 in the USA 1 Stainless Steel Exterior To prevent corrosion wipe the exterior occasionally with a clean and soft cloth Use a damp cloth containing a neutral cleaner to wipe off oil or dirt build up 2 Storage Bin and Scoop Wash your hands before removing ice Use the plastic scoop provided bin accessory The storage bin is for ice use only Do not store anything else in the bin Keep the scoop clean Clean using a neutral cleaner and rinse thoroughly Clean the bin liner using a neutral cleaner Rinse thoroughly after cleaning 3 Condenser Check the condenser once a year and clean the coil if required by using a brush or vacuum cleaner More frequent cleaning may be required depending on the location of the condensing unit 55
31. ied but the replace icemaker will not Bin Control Bad contacts Check for continuity and start replace 2 Actuator does not 2 Clean shaft and its move freely corresponding holes or replace bin control 3 Make sure that 56050113 Clear clean sensor eye eye is clear C Gear Motor Relay 1 Coil winding opened 1 Replace 2 Bad contacts 2 Check for continuity and dM Timer Broken Replace Oo P 4 Water has been on Motor Fuse Blown fuse 1 3 Determine supplied but gear GMD the cause and replace the motor will not start 3 0A fuse and solenoid Will not b Thermal Protector 1 Bad contacts 1 Check for continuity and ee Gear Motor replace 5 Gear motor starts a High Pressure Switch 1 Dirty condenser and solenoid 2 Ambient air 2 Need cooler conditions energizes but temperature at machine does not condensing unit too make ice or makes warm ice intermittently 3 Refrigerant 3 Recharge 4 Refrigerant line or 4 Clean and replace drier 5 Bad contacts 5 Check for continuity and s es 6 Loose connections 6 Tighten 6 Gear motor starts a X2 Relay on Control 1 Bad contacts 1 Check for continuity and but solenoid valve Timer replace will not energize or 2 Coil winding opened 2 Replace timer energizes b Solenoid Valve 1 Bad contacts 1 Check for continuity and intermittently replace 2 Coil w
32. inding opened 2 Replace coil 3 Valve stuck closed 3 Replace valve body 7 Gear motor starts a Refrigerant Line 1 Gas leaks 1 Check for leaks with a and solenoid leak detector Reweld energizes but no ice leak replace drier and is produced charge with refrigerant The amount of refrigerant is marked on nameplate or label 2 Refrigerant line 2 Replace clogged clogged component 33 Possible Cause 7 Continued from b Condensing Unit 1 Not functioning 1 Proceed to 2 previous page properly Condensing Unit 2 Condensing Unit 8 Condensing unit does a Power Supply b Secondary Low Awaiting reset Find cause and press c Ice Machine Ice machine off Turn on ice machine 9 Compressor will not Low Pressure Switches Faulty Check for continuity start or operates malfunctioning replace intermittently b Magnetic Contactor Coil winding opened c Starter contacts Check for continuity and replace 2 Motor winding open 2 Replace grounded 3 Motor protector 3 Find cause of overcurrent tripped or overheat f Power Supply 1 Circuit Ampacity too 1 Install larger conductor low B Low Ice Production Possible Cause 1 Low ice production Refrigerant Line 1 See A 1 7 a Refrigerant Line 2 Refrigerant line 2 Replace the clogged b High side Pressure Too High 2 Ambient air 2 Need cooler conditions temperature at con
33. mp to pull down to a 29 9 Hg vacuum Evacuating period depends on pump capacity 4 Close the low side valve and high side valve on the service manifold 5 Disconnect the vacuum pump and attach a refrigerant service cylinder to the high side line Remember to loosen the connection and purge the air from the hose See the rating label on the control box in the icemaker for the required refrigerant charge Hoshizaki recommends only virgin refrigerant or reclaimed refrigerant which meets ARI Standard No 700 88 be used 6 A liquid charge is recommended for charging an R 404A system Invert the service cylinder if necessary Open the high side service manifold valve 7 Allow the system to charge with liquid until the pressures balance 8 If necessary add any remaining charge to the system through the low side Use a throttling valve or liquid dispensing device to add the remaining liquid chargethrough the low side access port with the unit running 9 Close the two refrigerant service valves and disconnect the hoses and service manifold WARNING Service valves have no valve core Be sure valve stems are closed before disconnecting the hoses 10 Cap the service valves to prevent a possible leak b Partial evacuation with pumpdown For replacement of components inside the ice machine only a partial evacuation with pumpdown is necessary 1 If not already running turn on the ice machine making sure that the solenoid valve e
34. nergizes and that the bin control is not activated 2 Turn off the power supply to the condensing unit 3 In the condensing unit close the liquid line shut off valve by rotating the valve stem clockwise until it is fully seated 37 4 Turn the power supply to the condensing unit back on 5 Once the automatic pumpdown cycle is complete and the condensing unit shuts itself down turn off the power supply to the condensing unit 6 Close the suction line shut off valve by rotating the valve stem clockwise until it is fully seated 7 See 1 Refrigerant Recovery for instructions to recover remaining charge left in line sets and ice machine 8 When service is complete evacuate line set and ice machine to 29 9 Hg vacuum 9 Recharge ice machine and line set with 50g of R 4044 refrigerant 10 Close the two refrigerant service valves and disconnect the charging hoses replacing the flare caps on the service valves when finished WARNING Service valves have no valve core Be sure valve stems are closed before disconnecting the hoses 11 At the condensing unit open both the liquid line and suction line shutoff valves 12 Turn the power supply to the condensing unit back on B Brazing DANGER Refrigerant R 404A itself is not flammable at atmospheric pressure and temperatures up to 176 F Refrigerant R 4044 itself is not explosive or poisonous However when exposed to high temperatures open flames R
35. nsor Mechanical Bin Control Proximity Sw Air cooled Remote Condensing unit SRC 10H Required Copper Tube on Cylinder Thermostatic Expansion Valve Condensing Pressure Regulator on SRC 10H 404 815 602 3800g Ice Maker 4 oz Cond Unit 8 Ib 2 oz High 427 PSIG Low 230 PSIG Fuse 1A Fuse 3A Float Switch and Timer Spare Fuse Ice Storage Bin VOLTAGE RANGE 104 127 V AMBIENT TEMP 45 100 F WATER SUPPLY TEMP 45 90 F WATER SUPPLY PRESSURE 10 113 PSIG 2 FS 1001MLH C AC SUPPLY VOLTAGE GEAR MOTOR OTHER MAXIMUM FUSE SIZE MAX HACR BREAKER USA ONLY CIRC BREAKER CANADA ONLY MINIMUM CIRCUIT AMPACITY APPROXIMATE ICE PRODUCTION PER 24 HR Ibs day kg day Reference without marks SHAPE OF ICE ICE QUALITY APPROXIMATE STORAGE CAPACITY ELECTRIC amp WATER CONSUMPTION ELECTRIC W kWH 100 lbs ELECTRIC W kWH 100 Ibs POTABLE WATER gal 24HR gal 100 Ibs EXTERIOR DIMENSIONS WxDxH EXTERIOR FINISH WEIGHT CONNECTIONS ELECTRIC WATER SUPPLY DRAIN REFRIGERATION CIRCUIT ICE MAKING SYSTEM HARVESTING SYSTEM ICE MAKING WATER CONTROL COOLING WATER CONTROL BIN CONTROL SYSTEM Primary BIN CONTROL SYSTEM Secondary CONDENSING UNIT EVAPORATOR REFRIGERANT CONTROL REFRIGERANT CHARGE DESIGN PRESSURE P C BOARD CIRCUIT PROTECTION GEAR MOTOR PROTECTION LOW WATER PROTECTION ACCESSORIES SUPPLIED REQUIRED OPERATING CONDITIONS We reserve the right to make changes in
36. t to scratch or contaminate its contact surface 28 When replacing the evaporator a Braze the new evaporator with nitrogen gas flowing at a pressure of 3 4 psig Be careful not to burn the evaporator insulation b Replace the drier c Check for leaks using nitrogen gas 140 psig and soap bubbles d Evacuate the system Charge it with refrigerant 29 Move the flush switch to the ICE position 30 Replace the panels in their correct position 31 Turn on the power supply 45 3 Rubber O ring Nylon Ring Bolt Dowel Pin Cutter Washer Extruding Head Heater with Spring Socket Head Cap Screw Evaporator Split Lock Washer Socket Head Cap Screw Auger Mechanical Seal O ring Hex Head Bolt s Spring Washer L Washer Truss Head Screw Housing Coupling Spline Barrier Gear Motor Gear Motor 46 G Removal and Replacement of Control Water Valve 1 Turn off the power supply remove the panels and close the water supply line shut off valve 2 Disconnect the terminals from the control water valve 3 Loosen the fitting nut on the control water valve inlets and remove the control water valve Do not lose the packings inside the fitting nut 4 Remove the water supply hose from the control water valve 5 Install the new control water valve 6 Assemble the removed parts in the reverse order of the
37. time the sealed refrigeration system is opened Do not leave the system open for longer than 15 minutes when replacing or servicing parts A Service for Refrigerant Lines 1 Refrigerant Recovery The icemaker unit is provided with two refrigerant service valves one on the low side and one on the high side line Using proper refrigerant practices recover the refrigerant from the service valves and store it in an approved container Do not discharge the refrigerant into the atmosphere 2 Evacuation and Recharge R 404A a Complete For complete evacuation of ice machine and condensing unit follow the steps below Note For replacement of components inside the ice machine a complete evacuation is not necessary For partial evacuation with pumpdown see Partial evacuation with pumpdown below 1 Attach charging hoses a service manifold and a vacuum pump to the system Be sure to connect charging hoses to both high side and low side service valves WARNING Service valves have no valve core Be sure valve stems are closed before removing the flare caps to attach charging hoses IMPORTANT The vacuum level and vacuum pump may be the same as those for current refrigerants However the rubber hose and gauge manifold to be used for evacuation and refrigerant charge should be exclusively for POE oils 36 2 Turn on the vacuum pump Never allow the oil in the vacuum pump to flow backwards 3 Allow the vacuum pu
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