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Manual Hoshizaki KML "H" SERIES

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  • Hoshizaki KML "H" SERIES - page 1

    HOSHIZAKI MODULAR CRESCENT CUBER SER VICE MANUAL KML “F” SERIES KML “H” SERIES MODELS NO.: ISSUED: REVISED: AUG. 18, 1999 JAN. 13, 2004 73085 ...

  • Hoshizaki KML "H" SERIES - page 2

    2 IMPORT ANT Only qualified service technicians should attempt to service or maintain this icemaker. No service or maintenance should be undertaken until the technician has thoroughly read this Service Manual. HOSHIZAKI AMERICA, INC. 618 Highway 74 South Peachtree City , GA 30269 Attn: HOSHIZAKI T echnical Support Dep artment Phone: 1-800-233-1940 ...

  • Hoshizaki KML "H" SERIES - page 3

    3 • Please review this manual. It should be read carefully before the icemaker is serviced or maintenance operations 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 PAGE I. SPECIFICATIONS ....................... ...

  • Hoshizaki KML "H" SERIES - page 4

    4 III. TECHNICAL INFORMATION .................................................................................................... .... 4 7 1. WATER CIRCUIT AND REFRIGERANT CIRCUIT .................................................................. 4 7 [a] AIR-COOLED MODELS ............................................................................. ...

  • Hoshizaki KML "H" SERIES - page 5

    5 [h] KML-450MAF ..................................................................................................................... 7 2 [i] KML-450MWF ................................................................................................................... 7 3 [j] KML-450MAH ............................................................. ...

  • Hoshizaki KML "H" SERIES - page 6

    6 I. SPECIFICATIONS 1. KML-250MAH ...

  • Hoshizaki KML "H" SERIES - page 7

    7 2. KML-250MWH ...

  • Hoshizaki KML "H" SERIES - page 8

    8 3. KML-350MAF ...

  • Hoshizaki KML "H" SERIES - page 9

    9 4. KML-350MWF ...

  • Hoshizaki KML "H" SERIES - page 10

    10 5. KML-350MAH ...

  • Hoshizaki KML "H" SERIES - page 11

    11 6. KML-350MWH (Beginning serial #L00001J, ending Serial #M20060C) ...

  • Hoshizaki KML "H" SERIES - page 12

    12 7. KML-350MWH (Beginning serial #M30061E) ...

  • Hoshizaki KML "H" SERIES - page 13

    13 8. KML-450MAF ...

  • Hoshizaki KML "H" SERIES - page 14

    14 9. KML-450MWF ...

  • Hoshizaki KML "H" SERIES - page 15

    15 10. KML-450MAH ...

  • Hoshizaki KML "H" SERIES - page 16

    16 11. KML-450MWH (Beginning Serial #L00001D, ending Serial #M10530B) ...

  • Hoshizaki KML "H" SERIES - page 17

    17 12. KML-450MWH (Beginning Serial #M20531D) ...

  • Hoshizaki KML "H" SERIES - page 18

    18 13. KML-600MAF ...

  • Hoshizaki KML "H" SERIES - page 19

    19 14. KML-600MWF ...

  • Hoshizaki KML "H" SERIES - page 20

    20 15. KML-600MRF ...

  • Hoshizaki KML "H" SERIES - page 21

    21 16. KML-600MAH ...

  • Hoshizaki KML "H" SERIES - page 22

    22 17. KML-600MWH (Beginning Serial #L00001D, ending Serial #M10115C) ...

  • Hoshizaki KML "H" SERIES - page 23

    23 18. KML-600MWH (Beginning Serial # M10121E) ...

  • Hoshizaki KML "H" SERIES - page 24

    24 19. KML-600MRH ...

  • Hoshizaki KML "H" SERIES - page 25

    25 20. CONDENSER UNIT URC-7F Unit: mm. (inches) ...

  • Hoshizaki KML "H" SERIES - page 26

    26 SPECIFICATIONS URC-7F ...

  • Hoshizaki KML "H" SERIES - page 27

    27 II. GENERAL INFORMATION 1. CONSTRUCTION [a] KML-250MAH, KML-350MAF, KML-350MAH, KML-450MAF, KML-450MAH Spray Tubes Water Supply Inlet Junction Box Condenser Condenser Fan Motor Control Box Drier Hot Gas Valve Compressor Float Switch Water Pump Bin Control Thermostat (except models with Mechanical Bin Control) Control Switch Expansion Valve Mecha ...

  • Hoshizaki KML "H" SERIES - page 28

    28 [b] KML-250MWH, KML-350MWF, KML-350MWH, KML-450MWF, KML-450MWH Spray Tubes Water Supply Inlet Junction Box Control Box Drier Hot Gas Valve Compressor Water Regulator Float Switch Water Pump Bin Control Thermostat (except models with Mechanical Bin Control) Control Switch Expansion Valve Mechanical Bin Control (except models with Thermostat) ...

  • Hoshizaki KML "H" SERIES - page 29

    29 Spray Tubes Water Supply Inlet Junction Box Condenser Condenser Fan Motor Control Box Drier Hot Gas Valve Compressor Float Switch Control Switch Water Pump Expansion Valve [c] KML-600MAF, KML-600MAH Bin Control Thermostat (except models with Mechanical Bin Control) Mechanical Bin Control (except models with Thermostat) ...

  • Hoshizaki KML "H" SERIES - page 30

    30 [d] KML-600MWF, KML-600MWH Spray Tubes Junction Box Water Regulator Control Box Drier Hot Gas Valve Float Switch Control Switch Water Pump Expansion Valve Compressor Water Supply Inlet Bin Control Thermostat (except models with Mechanical Bin Control) Mechanical Bin Control (except models with Thermostat) ...

  • Hoshizaki KML "H" SERIES - page 31

    31 [e] KML-600MRF, KML-600MRH Spray Tubes Junction Box Receiver Tank Control Box Drier Hot Gas Valve Float Switch Control Switch Water Pump Expansion Valve Compressor Water Supply Inlet Hot Gas Valve Bin Control Thermostat (except models with Mechanical Bin Control) Mechanical Bin Control (except models with Thermostat) ...

  • Hoshizaki KML "H" SERIES - page 32

    32 2. CONTROLLER BOARD [a] SOLID-STATE CONTROL 1) A HOSHIZAKI exclusive solid-state control is employed in Modular Crescent Cubers. 2) A Printed Circuit Board (hereafter called “Controller Board”) includes a stable and high quality control system. 3) All models are pretested and factory-adjusted. [b] CONTROLLER BOARD CAUTION 1. Fragile, handle ...

  • Hoshizaki KML "H" SERIES - page 33

    33 2) Defrost Timer The defrost cycle starts when the Float Switch opens and completes the freeze cycle. But the Defrost Timer does not start counting until the Thermistor senses 48°F at the Evaporator outlet. The period from the end of the freeze cycle up to the point of the Thermistor's sensing varies depending on the ambient and water temp ...

  • Hoshizaki KML "H" SERIES - page 34

    34 The green LED’s 1-4 represent the corresponding relays and energize and sequence 5 seconds from initial start-up as follows: Sequence Step LED’s on Length: Min. Max. Avg. 1 Minute Fill Cycle LED4 60 sec. Harvest Cycle LED1, 4, & 2 2 min. 20 min. 3-5 min. Freeze Cycle LED1 5 min. 60 min. 30-35 min. Reverse Pump Out LED1, 3, & 2 10 sec ...

  • Hoshizaki KML "H" SERIES - page 35

    35 (Control Product s HOS-001A Board) The application switch located between relay X3 & X4 must be set to match the original board application. Place this switch in the ALP position if there is no white wire supplied to the K1 connector. If there is a white wire, place the switch in the C position. If this switch is placed in the wrong position ...

  • Hoshizaki KML "H" SERIES - page 36

    36 [c] SEQUENCE 1st Cycle 1. Unit energized and Control Switch to “ICE” position. Water supply cycle starts. 2. After 1 minute, Defrost cycle starts. 3. Thermistor reads 48° F. Defrost Timer starts counting. IMPORTANT Water Valve opening is limited to 6 minutes. & 5. After the first 5 minutes in freeze cycle. Ready to complete freeze cycle ...

  • Hoshizaki KML "H" SERIES - page 37

    37 2nd Cycle and after with pump drain IMPORTANT Freeze cycle time is limited to 60 minutes even if Float Switch does not open. 1. Float Switch opens and signals to complete freeze cycle. Drain timer starts counting. 2. Drain timer stops counting. Pump drain is completed 3. Thermistor reads 48° F. Defrost Timer starts counting. IMPORTANT Water Val ...

  • Hoshizaki KML "H" SERIES - page 38

    38 IMPORTANT Freeze cycle time is limited to 60 minutes even if Float Switch does not open. 2nd Cycle and after with no pump drain 1. Float Switch opens and signals to complete freeze cycle. 2. Thermistor reads 48° F. Defrost Timer starts counting. IMPORTANT Water Valve opening is limited to 6 minutes. 4. After the first 5 minutes in freeze cycle. ...

  • Hoshizaki KML "H" SERIES - page 39

    39 [d] CONTROLS AND ADJUSTMENTS The Dip Switch is factory-adjusted to the following positions: FOR MODELS WITH THERMOSTAT: Switch Nos. 1 and 2: Used for adjustment of the Defrost Timer. The Defrost Timer starts counting when the Thermistor reads a certain temperature at the Evaporator outlet. Switch Nos. 3 and 4: Used for adjustment of the Drain Ti ...

  • Hoshizaki KML "H" SERIES - page 40

    40 1) Defrost Control A thermistor (Semiconductor) is used for a defrost control sensor. The resistance varies depending on the Suction Line temperatures. The Thermistor detects the temperature of the Evaporator outlet to start the Defrost Timer. No adjustment is required. If necessary, check for resistance between Thermistor leads, and visually ch ...

  • Hoshizaki KML "H" SERIES - page 41

    41 3) Drain Timer The Drain Timer is factory-adjusted, and no adjustment is required. SETTING TIME Dip Switch Dip Switch No. 3 No. 4 T1 T2 OFF OFF 10 seconds 150 seconds ON OFF 10 seconds 180 seconds OFF ON 10 seconds 120 seconds ON ON 20 seconds 180 seconds T1: Time to drain the Water Tank T2: Time to restrain defrost completion 4) Drain Counter C ...

  • Hoshizaki KML "H" SERIES - page 42

    42 6) Bin Control MODELS WITH THERMOSTAT CAUTION When the ambient temperature is below 45°F, the Bin Control Thermostat operates to stop the icemaker even if the Ice Storage Bin is empty. When the Thermostat is set in the prohibited range, the icemaker operates continuously even if the Ice Storage Bin is filled with ice. Setting in the prohibited ...

  • Hoshizaki KML "H" SERIES - page 43

    43 (iv) After Step (iii), de-energize the unit and confirm that the Defrost Timer is in the minimum position. Disconnect the resistor from the Controller Board, and ener- gize the unit. After the 1 minute water supply cycle, the defrost cycle starts. Reconnect a 1.5 k Ω - 3.5 k Ω resistor to the Connector K3 (pins #1 and #2) after the first 2 m ...

  • Hoshizaki KML "H" SERIES - page 44

    44 3. SWITCHES Two control switches are used to control operation in the KML Series Modular Crescent Cubers. These switches are referred to as the “Control Switch” and the “Service Switch.” [a] CONTROL SWITCH The Control Switch is located on the lower left section of the control box when facing the front of the machine. This switch is used ...

  • Hoshizaki KML "H" SERIES - page 45

    45 4. MECHANICAL BIN CONTROL (THESE INSTRUCTIONS NOT APPLICABLE TO MODELS WITH THERMOSTAT) [a] PROXIMITY SWITCH 1) This machine uses a lever-actuated proximity switch (hereafter called “mechanical bin control”) to control the ice level in the storage bin. [b] EXPLANATION OF OPERATION 1) The startup and shutdown of the ice machine is controlled ...

  • Hoshizaki KML "H" SERIES - page 46

    46 [c] TROUBLESHOOTING (MECHANICAL BIN CONTROL ONLY) 1) Machine will not start (i) Move dip switch No. 7 to the “OFF” position. If the machine starts up within a few seconds, the bin control is the likely problem. If the machine does not start up, refer to Section “IV. Service Diagnosis” to verify that non-bin control related issues are res ...

  • Hoshizaki KML "H" SERIES - page 47

    47 III. TECHNICAL INFORMA TION 1. WATER CIRCUIT AND REFRIGERANT CIRCUIT [ a ] KML-250MAH KML-350MAF, KML-350MAH KML-450MAF, KML-450MAH KML-600MAF, KML-600MAH ...

  • Hoshizaki KML "H" SERIES - page 48

    48 [ b ] KML-250MWH KML-350MWF, KML-350MWH KML-450MWF, KML-450MWH KML-600MWF, KML-600MWH ...

  • Hoshizaki KML "H" SERIES - page 49

    49 [c] KML-600MRF, KML-600MRH ...

  • Hoshizaki KML "H" SERIES - page 50

    50 2. WIRING DIAGRAMS [a] KML-250MAH (Beginning Serial #L00001E, ending Serial #M10460F; KML-250MWH (Beginning Serial #L10001K, ending Serial #M10090D) Note: KML-250MAH Pressure Switch Cut-out 412.5 PSIG Cut-in 327 ± 21.3 PSIG KML-250MWH Pressure Switch Cut-out 3 84 PSIG Cut-in 284.5 ± 21.3 PSIG ...

  • Hoshizaki KML "H" SERIES - page 51

    51 Note: KML-250MAH Pressure Switch Cut-out 412.5 PSIG Cut-in 327 ± 21.3 PSIG [b] KML-250MAH (Beginning Serial #M20461G); KML-250MWH (Beginning Serial #M20091G) KML-250MWH Pressure Switch Cut-out 3 84 PSIG Cut-in 284.5 ± 21.3 PSIG ...

  • Hoshizaki KML "H" SERIES - page 52

    52 [c] KML-350MAF and KML-350MWF Note: KML-350MAF Pressure Switch Cut-out 412.5 PSIG Cut-in 327 ± 21.3 PSIG KML-350MWF Pressure Switch Cut-out 3 84 PSIG Cut-in 284.5 ± 21.3 PSIG ...

  • Hoshizaki KML "H" SERIES - page 53

    53 [d] KML-350MAH (Beginning Serial #L00001L, ending Serial #M10290F); KML-350MWH (Beginning Serial #L00001J, ending Serial #M30080F) Note: KML-350MAH Pressure Switch Cut-out 412.5 PSIG Cut-in 327 ± 21.3 PSIG KML-350MWH Pressure Switch Cut-out 3 84 PSIG Cut-in 284.5 ± 21.3 PSIG ...

  • Hoshizaki KML "H" SERIES - page 54

    54 [e] KML-350MAH (Beginning Serial #M20291G); KML-350MWH (Beginning Serial #M40081G) Note: KML-350MAH Pressure Switch Cut-out 412.5 PSIG Cut-in 327 ± 21.3 PSIG KML-350MWH Pressure Switch Cut-out 3 84 PSIG Cut-in 284.5 ± 21.3 PSIG ...

  • Hoshizaki KML "H" SERIES - page 55

    55 Note: KML-450MAF Pressure Switch Cut-out 412.5 PSIG Cut-in 327 ± 21.3 PSIG [f] KML-450MAF and KML-450MWF KML-450MWF Pressure Switch Cut-out 3 84 PSIG Cut-in 284.5 ± 21.3 PSIG ...

  • Hoshizaki KML "H" SERIES - page 56

    56 [g] KML-450MAH (Beginning Serial #L00101C, ending Serial #L00950G); KML-450MWH (Beginning Serial #L00001D, ending Serial #L00200G) Note: KML-450MAH Pressure Switch Cut-out 412.5 PSIG Cut-in 327 ± 21.3 PSIG KML-450MWH Pressure Switch Cut-out 3 84 PSIG Cut-in 284.5 ± 21.3 PSIG ...

  • Hoshizaki KML "H" SERIES - page 57

    57 [h] KML-450MAH (Beginning Serial #L20951H, ending Serial #M12770F); KML-450MWH (Beginning Serial #L10201H, ending Serial #M20710F) Note: KML-450MAH Pressure Switch Cut-out 412.5 PSIG Cut-in 327 ± 21.3 PSIG KML-450MWH Pressure Switch Cut-out 3 84 PSIG Cut-in 284.5 ± 21.3 PSIG ...

  • Hoshizaki KML "H" SERIES - page 58

    58 [i] KML-450MAH (Beginning Serial #M22771G); KML-450MWH (Beginning Serial #M30711G) Note: KML-450MAH Pressure Switch Cut-out 412.5 PSIG Cut-in 327 ± 21.3 PSIG KML-450MWH Pressure Switch Cut-out 3 84 PSIG Cut-in 284.5 ± 21.3 PSIG ...

  • Hoshizaki KML "H" SERIES - page 59

    59 +21.3 - 0 +21.3 - 0 Note: KML-600MWF Pressure Switch Cut-out 3 84 PSIG Cut-in 284.5 ± 21.3 PSIG KML-600MAF, MRF Pressure Switch Cut-out 412.5 PSIG Cut-in 327 ± 21.3 PSIG [j] KML-600MAF, KML-600MWF, and KML-600MRF ...

  • Hoshizaki KML "H" SERIES - page 60

    60 [k] KML-600MAH (Beginning Serial #L00001F, ending Serial #L00070F); KML-600MWH (Beginning Serial #L00001D, ending Serial #L00080E); KML-600MRH (Beginning Serial #L00001F, ending Serial #L00050F) Note: KML-600MWH Pressure Switch Cut- o u t 384 PSIG Cut-in 284.5 ± 21.3 PSIG KML-600MAH, MRH Pressure Switch Cut-out 412.5 PSIG Cut-in 327 ± 21.3 PSI ...

  • Hoshizaki KML "H" SERIES - page 61

    61 [l] KML-600MAH (Beginning Serial #L10071H, ending Serial #M10460G); KML-600MWH (Beginning Serial #L10081K, ending Serial #M10140E); KML-600MRH (Beginning Serial #L10051H, ending Serial #M10350E) Note: KML-600MWH Pressure Switch Cut-out 384 PSIG Cut-in 284.5 ± 21.3 PSIG KML-600MAH, MRH Pressure Switch Cut-out 412.5 PSIG Cut-in 327 ± 21.3 PSIG ...

  • Hoshizaki KML "H" SERIES - page 62

    62 [m] KML-600MAH (Beginning Serial #M2_ _ _ _ _); KML-600MWH (Beginning Serial #M20141F); KML-600MRH (Beginning Serial #M20331E) Note: KML-600MWH Pressure Switch Cut-out 384 PSIG Cut-in 284.5 ± 21.3 PSIG KML-600MAH, MRH Pressure Switch Cut-out 412.5 PSIG Cut-in 327 ± 21.3 PSIG ...

  • Hoshizaki KML "H" SERIES - page 63

    63 * * 3. TIMING CHART Control Sw. in ICE Bin Thermo- stat ON Pressure Sw. ON Overheat Protect Reset Hi Temp Mid Temp Lo Temp Too Lo Temp Normal Too Hi Temp Lo Water Max. Min. 60 min 5 min Min. Max. Max. 2 min 6 min 6 min Max. 20 min Time Up (60 sec) If Float Sw. is OFF From Defrost Cycle When Control Sw. is turned OFF, Pressure Sw. is OFF, Thermis ...

  • Hoshizaki KML "H" SERIES - page 64

    64 To Stand-by Cycle (When Control Sw. is turned OFF, Pressure Sw. is OFF, Thermistor Temp. exceeds t1, or Bin Control is in full position) To Freeze Cycle From Freeze Cycle Control Sw. in WASH Max. 20 min *1 The Pump Motor waits for 2 seconds before starting a drain cycle. See “II. 2. [d] CONTROLS AND ADJUSTMENTS.” *2 The icemaker does not com ...

  • Hoshizaki KML "H" SERIES - page 65

    65 4. PERFORMANCE DATA [a] KML-250MAH ...

  • Hoshizaki KML "H" SERIES - page 66

    66 [b] KML-250MWH ...

  • Hoshizaki KML "H" SERIES - page 67

    67 [c] KML-350MAF ...

  • Hoshizaki KML "H" SERIES - page 68

    68 [d] KML-350MWF ...

  • Hoshizaki KML "H" SERIES - page 69

    69 [e] KML-350MAH ...

  • Hoshizaki KML "H" SERIES - page 70

    70 [f] KML-350MWH (Serial #L00001J through M20060C) ...

  • Hoshizaki KML "H" SERIES - page 71

    71 [g] KML-350MWH (Beginning Serial #M30061E) ...

  • Hoshizaki KML "H" SERIES - page 72

    72 [h] KML-450MAF ...

  • Hoshizaki KML "H" SERIES - page 73

    73 [i] KML-450MWF ...

  • Hoshizaki KML "H" SERIES - page 74

    74 [j] KML-450MAH ...

  • Hoshizaki KML "H" SERIES - page 75

    75 [k] KML-450MWH (Serial #L00001D through M10530B) ...

  • Hoshizaki KML "H" SERIES - page 76

    76 [l] KML-450MWH (Beginning Serial #M20531D) ...

  • Hoshizaki KML "H" SERIES - page 77

    77 [m] KML-600MAF ...

  • Hoshizaki KML "H" SERIES - page 78

    78 [n] KML-600MWF ...

  • Hoshizaki KML "H" SERIES - page 79

    79 [o] KML-600MRF ...

  • Hoshizaki KML "H" SERIES - page 80

    80 [p] KML-600MAH ...

  • Hoshizaki KML "H" SERIES - page 81

    81 [q] KML-600MWH (Serial #L00001D through Serial #M10115C) ...

  • Hoshizaki KML "H" SERIES - page 82

    82 [r] KML-600MWH (Beginning Serial #M10121E) ...

  • Hoshizaki KML "H" SERIES - page 83

    83 [s] KML-600MRH ...

  • Hoshizaki KML "H" SERIES - page 84

    84 PROBLEM POSSIBLE CAUSE REMEDY [1] The icemaker a) Power Supply 1. “OFF” position. 1. Move to “ON” position will not start 2. Loose connections. 2. Tighten 3. Bad contacts. 3. Check for continuity and replace. 4. Voltage too high. 4. Check and get recommended voltage. b) Fuse (Inside Fused 1. Blown out. 1. Check for short circuit Disconne ...

  • Hoshizaki KML "H" SERIES - page 85

    85 PROBLEM POSSIBLE CAUSE REMEDY l) Controller Board 1. Defective 1. See “II.2[e] CHECKING CONTROLLER BOARD.” [2] Water a) Float switch 1. Connector disconnected. 1. Place in position. continues to 2. Leads opened or defective 2. Check and replace. be supplied, switch. and the ice- 3. Float does not move freely. 3. Clean or replace. maker will ...

  • Hoshizaki KML "H" SERIES - page 86

    86 PROBLEM POSSIBLE CAUSE REMEDY [4] Water a) Water Solenoid 1. Diaphragm does not close. 1. Check for water leaks continues to Valve with icemaker off. be supplied in b) Controller Board 1. Defective. 1. See “II.2.[e] CHECKING freeze cycle. CONTROLLER BOARD.” [5] No water a) Water Supply Line 1. Water pressure too low and 1. Check and get come ...

  • Hoshizaki KML "H" SERIES - page 87

    87 3. LOW ICE PRODUCTION PROBLEM POSSIBLE CAUSE REMEDY [1] Freeze cycle a) Float Switch 1. Leads short-circuit or 1. Check and replace. time is too defective switch. long. 2. Float does not move freely. 2. Clean or replace. b) Water Solenoid 1. Diaphragm does not close. 1. Check for water leaks Valve with icemaker off. c) Controller Board 1. Defect ...

  • Hoshizaki KML "H" SERIES - page 88

    88 PROBLEM POSSIBLE CAUSE REMEDY [1] Icemaker will a) Bin Control 1. Set too cold. 1. Adjust warmer. not stop when Thermostat 2. Defective. 2. Replace. bin is filled with ice. [2] Abnormal a) Pump Motor 1. Bearings worn out. 1. Replace. noise b) Fan Motor 1. Bearings worn out. 1. Replace. 2. Fan blade deformed. 2. Replace fan blade. 3. Fan blade do ...

  • Hoshizaki KML "H" SERIES - page 89

    89 V. REMOVAL AND REPLACEMENT OF COMPONENTS IMPORTANT Ensure all components, fasteners and thumbscrews are securely in place after the equipment is serviced. IMPORTANT 1. The Polyol Ester (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 pa ...

  • Hoshizaki KML "H" SERIES - page 90

    90 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 Nameplate 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 c ...

  • Hoshizaki KML "H" SERIES - page 91

    91 3. REMOV AL AND REPLACEMENT OF COMPRESSOR IMPORT ANT Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other repair or replacement has been made. Note: When replacing a Compressor with a defective winding, be sure to install the new Start Capacitor and Start Relay supplied w ...

  • Hoshizaki KML "H" SERIES - page 92

    92 4. REMOV AL AND REPLACEMENT OF DRIER IMPORT ANT Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other repair or replacement has been made. 1) Turn off the power supply. 2) Remove the panels. 3) Recover the refrigerant and store it in an approved container. 4) Remove the Dr ...

  • Hoshizaki KML "H" SERIES - page 93

    93 5. REMOV AL AND REPLACEMENT OF EXP ANSION V AL VE IMPORT ANT 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 repair or replacement has been made. 1) Turn o ...

  • Hoshizaki KML "H" SERIES - page 94

    94 6. REMOV AL AND REPLACEMENT OF HOT GAS V AL VE AND LINE VA LV E CAUTION Always use a copper tube of the same diameter and length when replacing the hot gas lines; otherwise the performance may be reduced. IMPORT ANT Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other rep ...

  • Hoshizaki KML "H" SERIES - page 95

    95 10) Cut the leads of the Solenoid allowing enough lead length to reconnect using closed end connectors. 11) Connect the new Solenoid leads. 12) Attach the Solenoid to the valve body, and secure it with a screw. 13) Replace the panels in their correct positions. 14) Turn on the power supply. ...

  • Hoshizaki KML "H" SERIES - page 96

    96 7. REMOV AL AND REPLACEMENT OF EV APORA TO R IMPORT ANT Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other repairs or replacement have been made. 1) Turn off the power supply. 2) Remove the panels and the Top Insulation over the Evaporator. 3) Recover the refrigerant an ...

  • Hoshizaki KML "H" SERIES - page 97

    97 8. REMOV AL AND REPLACEMENT OF W A TER REGULA TING V AL VE - W A TER-COOLED MODEL ONL Y IMPORT ANT Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other repair or replacement has been made. 1) Turn off the power supply. 2) Close the Water Supply Line Shut-off Valve. 3) Rem ...

  • Hoshizaki KML "H" SERIES - page 98

    98 9. ADJUSTMENT OF W A TER REGULA TING V AL VE - W A TER-COOLED MODEL ONL Y The Water Regulating Valve (also called “WATER REGULATOR”) is factory-adjusted. No adjustment is required under normal use. Adjust the Water Regulator, if necessary, using the following procedures. 1) Attach a pressure gauge to the high-side line of the system. Or prep ...

  • Hoshizaki KML "H" SERIES - page 99

    99 10. REMOV AL AND REPLACEMENT OF CONDENSING PRESSURE REGULA T OR (C.P .R.) - REMOTE AIR-COOLED MODEL ONL Y IMPORT ANT Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other repair or replacement has been made. 1) Turn off the power supply. 2) Remove the panels from the remot ...

  • Hoshizaki KML "H" SERIES - page 100

    100 1 1. REMOV AL AND REPLACEMENT OF THERMISTOR CAUTION 1. Fragile, handle very carefully. 2. Always use a recommended sealant (High Thermal Conductive Type), Model KE4560RTV manufactured by SHINETSU SILICONE, Part Code 60Y000-11, or Part Code 4A0683-01 or equivalent. 3. Always use a recommended foam insulation (Non-absorbent Type) or equivalent. 4 ...

  • Hoshizaki KML "H" SERIES - page 101

    101 10) Secure the insulation using the Plastic Cable Ties. 11) Connect the Thermistor leads through the bushing of the Control Box to the K3 Connector on the Controller Board. Note: Do not cut the leads of the Thermistor while installing it. 12) Replace the Control Box Cover and the panels in their correct positions. 13) Turn on the power supply. ...

  • Hoshizaki KML "H" SERIES - page 102

    102 13. REMOV AL AND REPLACEMENT OF W A TER V AL VE 1) Turn off the power supply. 2) Close the Water Supply Line Shut-off Valve. 3) Remove the Front Panel. 4) Remove the Valve Outlet Tubing by releasing the Clamp. 5) Remove the Bracket from the unit. 6) Remove the Fitting Nut and Water Valve. 7) Disconnect the Terminals from the Water Valve. 8) Ins ...

  • Hoshizaki KML "H" SERIES - page 103

    103 15. REMOV AL AND REPLACEMENT OF SPRA Y TUBES 1) Turn off the power supply. 2) Remove the Front Panel and the Insulation Panel. 3) Remove the Rubber Hoses from the Spray Tubes (Water Supply Pipe). 4) Release the Clamps, and disconnect the Rubber Hoses. 5) Remove the Spray Tubes by squeezing the side tabs. 6) Install the new Spray Tubes, and repl ...

  • Hoshizaki KML "H" SERIES - page 104

    104 VI. MAINTENANCE AND CLEANING INSTRUCTIONS IMPORTANT Ensure all components, fasteners and thumbscrews are securely in place after any maintenance or cleaning is done to the equipment. 1. PREPARING THE ICEMAKER FOR LONG STORAGE WARNING When shutting off the icemaker for an extended time, drain out all water from the water tank and remove the ice ...

  • Hoshizaki KML "H" SERIES - page 105

    105 [2] Remove the water from the potable water supply line: 1) Turn off the power supply and remove the Front Panel. 2) Move the Control Switch, on the Control Box, to the “OFF” position. 3) Wait 3 minutes. 4) Close the Potable Water Supply Line Shut-off Valve and open the Potable Water Supply Line Drain Valve. 5) Allow the line to drain by gr ...

  • Hoshizaki KML "H" SERIES - page 106

    106 M O D E L W AT E R " S C AL E AW AY " W AT E R S AN I T I Z E R gal. f l. oz . gal. f l. oz . K M L- 25 0 2 10.5 2 1 K M L- 35 0 2 10.5 2 1 K M L- 45 0 2 10.5 2 1 K M L- 60 0 2.5 13.5 2.5 1.25 CL EA NI NG S A NI T A T I ON 2. CLEANING PROCEDURE IMPORTANT Ensure all components, fasteners and thumbscrews are securely in place after any ...

  • Hoshizaki KML "H" SERIES - page 107

    107 5) Place the Control Switch in the “SERVICE” position. Then place the Service Switch in the “DRAIN” position. 6) Replace the Front Panel and turn on the power supply for 2 minutes. 7) Turn off the power supply. 8) Remove the Front Panel and then remove the Insulation Panel by lifting up the panel slightly and pulling it toward you. 9) P ...

  • Hoshizaki KML "H" SERIES - page 108

    108 3. SANITIZING PROCEDURE - Following Cleaning Procedure 1) Dilute a 5.25% Sodium Hypochlorite solution (chlorine bleach) with water (Add 1.0 fl. oz. to 2 gal. of water). 2) Remove the Insulation Panel. 3) Pour the sanitizing solution into the Water Tank. 4) Move the Service Switch to the “WASH” position. 5) Replace the Insulation Panel and t ...

  • Hoshizaki KML "H" SERIES - page 109

    109 4. MAINTENANCE IMPORT ANT This icemaker must be maintained individually, referring to the instruction manual and labels provided with the icemaker. 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) Stora ...

Manufacturer Hoshizaki Category Ice Maker

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- KML "H" SERIES manuals
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Hoshizaki KML "H" SERIES.

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A complete manual for the device Hoshizaki KML "H" SERIES, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Hoshizaki KML "H" SERIES by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Hoshizaki KML "H" SERIES.

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