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Hoshizaki KMS-1400MLH manuale d’uso - BKManuals

Hoshizaki KMS-1400MLH manuale d’uso

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Un buon manuale d’uso

Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso Hoshizaki KMS-1400MLH. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica Hoshizaki KMS-1400MLH o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.

Che cosa è il manuale d’uso?

La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso Hoshizaki KMS-1400MLH descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.

Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.

Quindi cosa dovrebbe contenere il manuale perfetto?

Innanzitutto, il manuale d’uso Hoshizaki KMS-1400MLH dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo Hoshizaki KMS-1400MLH
- nome del fabbricante e anno di fabbricazione Hoshizaki KMS-1400MLH
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature Hoshizaki KMS-1400MLH
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti

Perché non leggiamo i manuali d’uso?

Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio Hoshizaki KMS-1400MLH non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti Hoshizaki KMS-1400MLH e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio Hoshizaki in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche Hoshizaki KMS-1400MLH, come nel caso della versione cartacea.

Perché leggere il manuale d’uso?

Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo Hoshizaki KMS-1400MLH, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.

Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso Hoshizaki KMS-1400MLH. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.

Sommario del manuale d’uso

  • Pagina 1

    Hoshizaki “A Superior Degree of Reliability” www .hoshizaki.com Model KMS-1400MLH Including Condensing Unit Model SRK-14H/3 Modular Crescent Cuber Serenity Series Hoshizaki America, Inc. Number: 73162 Issued: 2-28-2008 S E RV I C E M A N U A L ™[...]

  • Pagina 2

     IMPORTANT Only qualied service technicians should attempt to install, service, or maintain this icemaker. No service or maintenance should be undertaken until the technician has thoroughly read this Service Manual. Failure to service and maintain the equipment in accordance with this manual may adversely affect safety, performance, and warra[...]

  • Pagina 3

    3 CONTENTS I. Specications ..................................................................................................................... 6 A. Icemaker ....................................................................................................................... 6 1. KMS-1400MLH – SRK-14H .......................................[...]

  • Pagina 4

    4 E. Float Switch ................................................................................................................ 3 1. Explanation of Operation ....................................................................................... 3 . Cleaning ...............................................................................[...]

  • Pagina 5

    5 VI. Cleaning and Maintenance ........................................................................................... 5 A. Cleaning and Sanitizing Instructions ........................................................................... 5 1. Cleaning Procedure ...............................................................................[...]

  • Pagina 6

    6 I. Specications A. Icemaker 1. KMS-1400MLH – SRK-14H Note: We reserve the right to make changes in specications and design without prior notice. SPECIFICATION DATA NO. 08A001 ISSUED: January 22,2008 REVISED: ITEM: HOSHIZAKI MODULAR CRESCENT CUBER WITH REMOTE COMPRESSOR/CONDENSER UNIT MODEL: KMS-1400MLH with SRK-14H AC SUPPLY VOLTAGE 208-2[...]

  • Pagina 7

    7 2. KMS-1400MLH – SRK-14H3 Intentionally Left Blank Note: We reserve the right to make changes in specications and design without prior notice.[...]

  • Pagina 8

    8 B. Condensing Unit 1. SRK-14H Note: We reserve the right to make changes in specications and design without prior notice. AC SUPPLY VOLTAGE 208-230/60/1 ( 3 wire with neutral for 115V ) ( Connection to icemaker ) AMPERAGE 15 A ( 5 Min. Freeze AT 104°F / WT 80°F ) MINIMUM CIRCUIT AMPACITY 20 A MAXIMUM FUSE SIZE 20 A EXTERIOR DIMENSIONS ( WxDx[...]

  • Pagina 9

    9 2. SRK-14H3 Intentionally Left Blank Note: We reserve the right to make changes in specications and design without prior notice.[...]

  • Pagina 10

    10 II. General Information A. Construction 1. Icemaker Spray Tubes Hot Gas Valve Liquid Line Valve Service Valve (High Side) Drier Wash Valve Service Valve (Low Side) Fill Water Valve Control Board Pump Motor Float Switch Drain Water Valve Control Switch Bin Control Switch Service Switch Harvest Water Valve Thermistor Control Box[...]

  • Pagina 11

    11 2. Condensing Unit Condenser Headmaster (C.P. Regulator) Hot Gas Valve Liquid Line Valve Junction Box Receiver Tank Accumulator Shut-off Valve (Low Side) Thermostat (Discharge Pipe) Compressor Shut-off Valve (High Side) Fan Motor and Fan Blade Control Box[...]

  • Pagina 12

    1 B. Sequence of Operation The steps in the sequence are as outlined below. When power is supplied, the red POWER OK LED and the green BC CLOSED LED on the control board come on (If the yellow BC OPEN LED is on, the unit will not start. In this case clear ice away from the bin control actuator in the bin area). A 5-second delay occurs at startup[...]

  • Pagina 13

    13 5. Normal Harvest Cycle LEDs 1, 4 and  are on. Comp, FMR and HGVs remain energized. HWV and X1 relay energize, PM stops. As the evaporator warms, the thermistor reaches 48°F (9°C). The control board then receives the thermistor's 3.9 k Ω signal and starts the harvest timer. When the harvest timer completes its count down, the harvest [...]

  • Pagina 14

    14 Components Energized when the Control Switch is in the SERVICE Position When in the "SERVICE" position, the control switch supplies power to the service switch and the machine is in service mode. The service switch has three positions: "DRAIN," "CIRC." and "WASH." See the information below for details of e[...]

  • Pagina 15

    15 C. Control Board • A HOSHIZAKI exclusive solid-state control is employed in the KMS-1400MLH Modular Crescent Cuber. • All models are pretested and factory-adjusted. CAUTION 1. Fragile, handle very carefully. . A control board contains integrated circuits, which are susceptible to failure due to static discharge. It is especially important[...]

  • Pagina 16

    16 1. Control Board Layout Control Board Part Number A379-01 (factory); 2A3792-02 (service) Control Products "G" Control Board Alarm Reset Button Output Test Button (used to test relays on board) Connector K3 Harvest Control (thermistor) Connector K4 Mechanical Bin Control Label (board revision level indicated on label on side of re[...]

  • Pagina 17

    17 2. Features a) Maximum Water Supply Period – 6 minutes The harvest water valve will be open during harvest for 6 minutes or the length of harvest minus 50 seconds, whichever is shorter. b) Harvest Backup Timer and Freeze Timer The harvest backup timer shuts down the icemaker if, for two cycles in a row, the harvest cycle takes more than 0 m[...]

  • Pagina 18

    18 f) LED Lights and Audible Alarm Safeties The control board includes LED indicator lights, audible alarm safeties, and an output test. The red LED indicates control voltage and will remain on unless a control voltage problem occurs. At startup a 5-second delay occurs while the board conducts an internal timer check. A beep occurs when the control[...]

  • Pagina 19

    19 3. Controls and Adjustments a) Default Dip Switch Settings The dip switches are factory-adjusted to the following positions: S4 Dip Switch Dip Switch No. 1  3 4 5 6 7 8 9 10 KMS-1400MLH OFF OFF OFF ON ON ON ON OFF OFF ON S5 Dip Switch (Do Not Adjust) Dip Switch No. 1  3 4 5 KMS-1400MLH OFF ON OFF OFF OFF b) Harvest Timer (S4 dip switch 1 &[...]

  • Pagina 20

    0 c) Pump-Out Timer (S4 dip switch 3 & 4) During cycles when a pump out is called for, the pump motor drains the water tank for the time determined by the pump-out timer (T1). The pump-out timer's harvest timer (T) acts in place of the harvest timer (S4 dip switch 1 & ) during cycles with a pump out. The pump-out timer is fact[...]

  • Pagina 21

    1 f) Freeze Timer (S4 dip switch 9 & 10) CAUTION Adjust to proper specication, or the unit may not operate correctly. The freeze timer setting determines the maximum allowed freeze time to prevent possible freeze-up issues. Upon termination of freeze timer, the control board initiates the harvest cycle. After  consecutive timer termina[...]

  • Pagina 22

     5. Control Board Replacement The dip switches should be adjusted to the factory default settings as outlined in this manual. S4 dip switch #8 must remain off. D. Harvest Control – Thermistor A thermistor (semiconductor) is used for a harvest control sensor. The resistance varies depending on the suction line temperatures. The thermistor de[...]

  • Pagina 23

    3 E. Float Switch 1. Explanation of Operation The oat operates  switches within the oat switch. The lower switch (black and blue wires) is used for low water safety protection, initiating the freeze cycle rell and terminating the freeze cycle. The upper switch (black and red wires) is used to terminate the freeze cycle rell only. [...]

  • Pagina 24

    4 Fig. 1 Float Switch Red - Upper Switch Black - Commo n Blue - Lower Switch Upper Switch Lower Switch Float Retainer Clip Housing Mechanical Lock[...]

  • Pagina 25

    5 Fig. 2 Bin Control Bin Control Switch Closed (calling for ice) Bin Control Switch Open (bin full) F. Bin Control This machine uses a lever-actuated proximity switch (mechanical bin control) to control the ice level in the storage bin. No adjustment is required. 1. Explanation of Operation The bin control is connected to the red K4 connector on[...]

  • Pagina 26

    6 G. Switches Two control switches are used to control operation in KMS Series Modular Crescent Cubers. These switches are referred to as the "control switch" and the "service switch" and are located on the control box. 1. Control Switch The control switch has three positions: "OFF" for power off; "ICE" fo[...]

  • Pagina 27

    7 Spray Tube KMS-1400MLH Harvest Water Valve Water Supply Wash Valve Line Valve Drier Service Valve Strainer Line Valve Shutoff Valve SRK-14H/3 Fan Condenser Headmaster (C.P. Regulator) Check Valve Access Valve Hot Gas Valve Strainer Fusible Plug High Pressure Switch Thermostat Discharge Line Compressor Receiver Tank Accumulator Suction Line Hot[...]

  • Pagina 28

    8 B. Wiring Diagrams 1. KMS-1400MLH – SRK-14H * Pressure Switch Cut-out 41± 1 PSIG Cut-in 37±1 PSIG 0 * Thermostat Switch Cut-out 66°F±9°F Cut-in 39°F±9°F ** ** Transformer Output 10.5V at 115V[...]

  • Pagina 29

    9 2. KMS-1400MLH – SRK-14H3 * Pressure Switch Cut-out 41± 1 PSIG Cut-in 37±1 PSIG 0 * Thermostat Switch Cut-out 66°F±9°F Cut-in 39°F±9°F ** ** Transformer Output 10.5V at 115V[...]

  • Pagina 30

    30 3. Wire Harness Connections L2 or L3 Contactor HGV LL V Neutral Fuse 10A CB HGV LL V Neutral SRK Condensing Unit Wire Harness Connections BR V P BK W BR GN GND V P BK W GN BR V P BK W GN BR V P BK W GND Legend: GND-ground HGV -hot gas valv e CB-control board LL V -liquid line valv e L2-single phase pow er supply L3-three phase pow er supply Wire[...]

  • Pagina 31

    31 C. Performance Data 1. KMS-1400MLH – SRK-14H Note: 1. Pressure data is recorded at 5 minutes into freezing cycle. The data not in bold should be used for reference only. . We reserve the right to make changes in specications and design without prior notice. PERFORMANCE DATA NO. 08A001 ISSUED: January 22,2008 REVISED: ITEM: HOSHIZAKI MODU[...]

  • Pagina 32

    3 2. KMS-1400MLH – SRK-14H3 Intentionally Left Blank Note: 1. Pressure data is recorded at 5 minutes into freezing cycle. The data not in bold should be used for reference only. . We reserve the right to make changes in specications and design without prior notice.[...]

  • Pagina 33

    33 IV. Service Diagnosis A. 10-Minute Diagnostic Procedure The 10-minute check out procedure is basically a sequence check which can be used at unit start-up or for system diagnosis. Using this check out procedure will allow you to diagnose electrical system and component failures in approximately 10 minutes under normal operating conditions of 70?[...]

  • Pagina 34

    34 5) Freeze Cycle – LED 1 is on. The compressor, fan motors and pump motor remain energized. The liquid line valves energize and the hot gas valves de-energize (also de-energizing the X1 relay). The lower oat switch activates (open)  times during the course of a freeze cycle; the rst is for rell, the second is for freeze termination.[...]

  • Pagina 35

    35 6) Pump-Out Cycle – The 1st pump out occurs after the 11th freeze cycle and every 10th cycle thereafter. LEDs 1, 3,  are on. The compressor and fan motors remain energized. The drain water valve, hot gas valves and X1 relay energize, the liquid line valves de-energize. The pump motor stops for  seconds then restarts for 10 seconds (pump [...]

  • Pagina 36

    36 Problem Possible Cause Remedy [1] The icemaker will not start. a) Power Supply (Condensing Unit) 1. Off, blown fuse, or tripped breaker. 1. Turn on, replace, or reset. . Loose connections. . Tighten. 3. Bad contacts. 3. Check for continuity and replace. 4. Not within specications. 4. Refer to nameplate and correct. b) Water Supply 1. Wa[...]

  • Pagina 37

    37 Problem Possible Cause Remedy [1] The icemaker will not start. (continuted) l) Fill Water Valve 1. Mesh lter or orice clogged. 1. Clean. . Coil winding opened. . Replace. 3. Wiring to water valve. 3. Check for loose connection or open, and replace. m) Control Board 1. Defective. 1. See "II.C.4. Control Board Check Procedure"[...]

  • Pagina 38

    38 Problem Possible Cause Remedy [4] Water continues to be supplied in freeze cycle (outside of rell). a) Fill or Harvest Water Valve 1. Diaphragm does not close. 1. Check for water leaks with icemaker off. b) Control Board 1. Defective. 1. See "II.C.4. Control Board Check Procedure". [5] No water comes from spray tubes. Water pump wil[...]

  • Pagina 39

    39 2. Evaporator is Frozen Up Problem Possible Cause Remedy [1] Freeze cycle time is too long. a) Float Switch 1. Leads short-circuit or defective switch. 1. Check and replace. . Float does not move freely. . Clean or replace. b) Fill or Harvest Water Valve 1. Diaphragm does not close. 1. Check for water leaks. c) Control Board 1. Defective. [...]

  • Pagina 40

    40 Problem Possible Cause Remedy [1] Icemaker will not stop when bin is lled with ice. a) Bin Control 1. Defective. 1. Replace. b) Control Board 1. Defective. 1. See "II.C.4. Control Board Check Procedure". [] Abnormal noise. a) Pump Motor 1. Bearings worn out. 1. Replace. b) Fan Motor 1. Bearings worn out. 1. Replace. . Fan blad[...]

  • Pagina 41

    41 V. Removal and Replacement of Components IMPORTANT 1.Ensure all components, fasteners, and thumbscrews are securely in place after the equipment is serviced. . 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 parts. [...]

  • Pagina 42

    4 2. Brazing . WARNING 1. Refrigerant R-404A itself is not ammable at atmospheric pressure and temperatures up to 176°F (80°C). . Refrigerant R-404A itself is not explosive or poisonous. However, when exposed to high temperatures (open ames), R-404A can be decomposed to form hydrouoric acid and carbonyl uoride both of which are [...]

  • Pagina 43

    43 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. For the required refrigerant charge, see the rating label inside the front panel on the icemaker or on the nameplate on the condensing unit. Hoshizaki recommends only virgin refrigerant[...]

  • Pagina 44

    44 11) Remove the plugs from the suction, discharge, and process pipes. 1) Braze all ttings while purging with nitrogen gas owing at a pressure of 3 to 4 PSIG. 13) Use an electronic leak detector or soap bubbles to check for leaks. Add a trace of refrigerant to the system (if using an electronic leak detector), and then raise the pressure [...]

  • Pagina 45

    45 3. Removal and Replacement of Hot Gas Valve and Liquid Line Valve CAUTION 1. The condensing unit has 1 hot gas valve and 1 liquid line valve. Both valves have a strainer prior to the valve body. It is advisable to change the strainer when replacing the hot gas or liquid line valve. . Always use a copper tube of the same diameter and length wh[...]

  • Pagina 46

    46 4. Removal and Replacement of Headmaster (Condensing Pressure Regulator - C.P. Regulator) 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 replacement has been made. Install the new drier with the arrow on the drier in the direction of the refriger[...]

  • Pagina 47

    47 5) Install the new fan motor and replace the removed parts in the reverse order of which they were removed. 6) Replace the panels in their correct positions. 7) Turn on the power supply. C. Icemaker 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 [...]

  • Pagina 48

    48 2. Removal and Replacement of Expansion Valve IMPORTANT 1. 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. Install the new drier with the arrow on the drier in the direction of the refrigerant ow. ?[...]

  • Pagina 49

    49 3. Removal and Replacement of Hot Gas Valve and Liquid Line Valve CAUTION 1. The icemaker unit has 1 hot gas valve and 1 liquid line valve. The hot gas valve has a strainer prior to the valve body. It is advisable to change the strainer and check valves when replacing the hot gas valve. . Always use a copper tube of the same diameter and leng[...]

  • Pagina 50

    50 4. Removal and Replacement of Pump Motor 1) Turn off the power supply. ) Remove the panels. 3) Drain the water tank by removing the insulation panel, front frame and suction hose. (See Fig. 3.) 4) Disconnect the pump suction and discharge hoses. 5) Unplug the water pump connector. 6) Remove the screws and pump motor bracket. 7) Remove the pum[...]

  • Pagina 51

    51 6. Removal and Replacement of Thermistor CAUTION 1. Fragile, handle very carefully. . Always use a recommended sealant (high thermal conductive type), Model KE4560RTV manufactured by SHINETSU SILICONE, Part Code 60Y000-11, or Part Code 4A0683-01 equivalent. 3. Always use a recommended foam insulation (Non-absorbent Type) or equivalent. 4. Do [...]

  • Pagina 52

    5 VI. Cleaning and Maintenance IMPORTANT Ensure all components, fasteners, and thumbscrews are securely in place after any cleaning or maintenance is done to the equipment. A. Cleaning and Sanitizing Instructions HOSHIZAKI recommends cleaning this unit at least once a year. More frequent cleaning, however, may be required in some existing water [...]

  • Pagina 53

    53 e. Reassemble the oat switch. Replace the rubber boot and the oat switch in their correct positions. Reconnect the vent tube. f. Replace the right-side panel in its correct position. 9) Remove the insulation panel by removing the thumbscrews, then pour the cleaning solution into the water tank. 10) Move the service switch to the "WASH[...]

  • Pagina 54

    54 2. Sanitizing Procedure - Following Cleaning Procedure 1) Dilute  . oz. (60 ml or 4 tbs) of a 5.5% sodium hypochlorite solution (chlorine bleach) with 4 gal. (15 l) of warm water. ) Remove the insulation panel if it is in its normal position. 3) Pour the sanitizing solution into the water tank. 4) Move the service switch to the "[...]

  • Pagina 55

    55 C. Preparing the Icemaker for Long Storage CAUTION When shutting off the icemaker for an extended time, drain out all water from the water tank and remove the ice from the dispenser unit/storage bin. The dispenser unit/storage bin should be cleaned and dried. Drain the icemaker to prevent damage to the water supply line at sub-freezing temperatu[...]

  • Pagina 56

    56 15) Move the control switch to the "OFF" position. 16) Disconnect the oat switch vent hose from the drain hose tee. Move the service switch to the "DRAIN" position and the control switch to the "SERVICE" position. 17) From the tee on the drain hose, blow the drain water valve out using compressed air or carbon di[...]