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1. Cleaning Procedure

1) Dilute 16 fl. oz. (473 ml) of Hoshizaki "Scale Away" with 3 gal. (11 l) of warm water.
2) Remove all ice from the evaporator and the storage bin.

Note: To remove cubes on the evaporator, remove the front panel and move the control

switch to the "OFF" position. Wait 3 minutes, then move the control switch back
to the "ICE" position and place the front panel back in its correct position. The
harvest cycle starts and the cubes will be removed from the evaporator.

3) Remove the front panel. Move the control

switch to the "OFF" position, then unplug
the icemaker from the mains socket.

4) Remove the insulation panel by lifting up

the panel slightly and pulling it towards you.

5) Remove the base cover, then disconnect

one end of the pump tubing to drain the
water tank. See Fig. 5. After the water tank
has drained, reconnect the pump tubing.

6) In bad or severe water conditions, clean the float switch assembly as described below.

Otherwise, continue to step 7.

a. Disconnect the vent tube and the flush tube from the top of the float switch, then

remove the float switch assembly. Remove the rubber boot from the bottom of the
assembly

b. Remove the retainer rod from the bottom of the float switch housing, then remove

the float. Be careful not to bend the retainer rod excessively when removing it.

c. Wipe down the float switch assembly's housing, shaft, float, and retainer rod with

cleaning solution. Clean the inside of the rubber boot and hose with cleaning
solution. Rinse the parts thoroughly with clean water.

d. Reassemble the float switch assembly and replace it and the rubber boot in their

correct positions. Reconnect the vent tube and the flush tube.

7) Pour the cleaning solution into the water tank.
8) Replace the insulation panel in its correct position.
9) Plug the icemaker back into the mains socket, then move the control switch to the

"WASH" position to start the cleaning process.

10) Replace the front panel in its correct position.
11) After 30 minutes, remove the front panel. Move the control switch to the "OFF" position,

then unplug the icemaker from the mains socket.

12) Disconnect one end of the pump tubing to drain the water tank. After the water tank has

drained, reconnect the pump tubing.

13) Plug the icemaker back into the mains socket, then move the control switch to the "ICE"

position to fill the water tank with water.

14) Replace the front panel in its correct position.
15) After 3 minutes, remove the front panel.

Fig. 5

Disconnect This
End of Pump
Tubing to Drain
Water Tank

Base Cover

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Содержание KM-320MAH-E

Страница 1: ...Superior Degree of Reliability www hoshizaki com Models KM 320MAH E KM 515MAH E KM 650MAH E Modular Crescent Cuber Hoshizaki America Inc SERVICE MANUAL Number 73170 Issued 11 13 2008 Revised 3 22 2012 89 336 73 23 ...

Страница 2: ... 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 the appropriate Hoshizaki Service Office UK Ireland Hoshizaki UK TEL 44 0 845 456 0585 FAX 44 0 132 283 8331 Holland Hoshizaki Europe TEL 31 0 20 6918499 FAX 31 0 20 6918768 Belgium Luxemburg Hoshizaki Belgium TEL 32 0 2 71230...

Страница 3: ...djustments 24 a Default Dip Switch Settings 24 b Harvest Timer S4 dip switch 1 2 25 c Pump Out Timer S4 dip switch 3 4 25 d Pump Out Frequency Control S4 dip switch 5 6 26 e Bin Control Selector Harvest Pump Timer S4 dip switch 7 26 f Factory Use S4 dip switch 8 27 g Freeze Timer S4 dip switch 9 10 27 h Float Switch Selector S5 dip switch 1 G Control Board 28 i Refill Counter S5 dip switch 2 throu...

Страница 4: ...anical Bin Control Cleaning 42 D Float Switch Check and Cleaning 43 1 Float Switch Check 43 2 Float Switch Cleaning 44 E Thermistor Check 45 F Diagnostic Charts 46 1 No Ice Production 46 2 Freeze Up 47 3 Low Ice Production 49 V Replacement of Components 50 A Service for Refrigerant Lines 50 1 Refrigerant Recovery 50 2 Brazing 51 3 Evacuation and Recharge R 404A 52 B Important Notes for Component R...

Страница 5: ...us injury fire or severe damage to equipment This icemaker requires an independent power supply of proper capacity See the nameplate for electrical specifications Failure to use an independent power supply of proper capacity can result in a tripped breaker blown fuses damage to existing wiring or component failure This could lead to heat generation or fire THE ICEMAKER MUST BE EARTHED GROUNDED 220...

Страница 6: ...e of the appliance by a person responsible for their safety Children should be properly supervised around this appliance Do not climb stand or hang on the icemaker or allow children or animals to do so Serious injury could occur or the icemaker could be damaged Do not use combustible spray or place volatile or flammable substances near the icemaker They might catch fire Keep the area around the ic...

Страница 7: ...s Steel Galvanized Steel Rear WEIGHT Net 153 lbs 69 kg Shipping 175 lbs 79 kg CONNECTIONS ELECTRIC Power Cord Connection WATER SUPPLY Inlet 1 2 FPT DRAIN Outlet 3 4 FPT 3 8 OD Hard Tube CUBE CONTROL SYSTEM Float Switch HARVESTING CONTROL SYSTEM Hot Gas and Water Thermistor and Timer ICE MAKING WATER CONTROL Timer Controlled Overflow Pipe COOLING WATER CONTROL N A BIN CONTROL SYSTEM Thermostatic or...

Страница 8: ...inless Steel Galvanized Steel Rear WEIGHT Net 151 lbs 68 kg Shipping 175 lbs 79 kg CONNECTIONS ELECTRIC Power Cord Connection WATER SUPPLY Inlet 1 2 FPT DRAIN Outlet 3 4 FPT 3 8 OD Hard Tube CUBE CONTROL SYSTEM Float Switch HARVESTING CONTROL SYSTEM Hot Gas and Water Thermistor and Timer ICE MAKING WATER CONTROL Time Controlled Overflow Pipe COOLING WATER CONTROL N A BIN CONTROL SYSTEM Thermostati...

Страница 9: ...ainless Steel Galvanized Steel Rear WEIGHT Net 169 lbs 77 kg Shipping 200 lbs 91 kg CONNECTIONS ELECTRIC Power Cord Connection WATER SUPPLY Inlet 1 2 FPT DRAIN Outlet 3 4 FPT 3 8 OD Hard Tube CUBE CONTROL SYSTEM Float Switch HARVESTING CONTROL SYSTEM Hot Gas and Water Thermistor and Timer ICE MAKING WATER CONTROL Time Controlled Overflow Pipe COOLING WATER CONTROL N A BIN CONTROL SYSTEM Thermostat...

Страница 10: ...lve Compressor Float Switch Water Pump Control Box Drier Fan Motor Hot Gas Valve Condenser Water Supply Pipe Spray Tubes Main Transformer 230V 115V High Pressure Switch Strainer Thermistor Evaporator Inlet Water Valve Power Cord with Fused Plug 250V 13A fuse Mechanical Bin Control Auxiliary Code U 1 and Later U 0 and Earlier U 1 and Later ...

Страница 11: ...Fan Motor Hot Gas Valve Condenser Water Supply Pipe Spray Tubes High Pressure Switch Strainer Thermistor Liquid Line Valve Evaporator Inlet Water Valve Thermostatic Bin Control Auxiliary Code U 1 and Earlier Mechanical Bin Control Auxiliary Code U 2 and Later U 1 and Later U 0 and Earlier Power Cord with Fused Plug 250V 13A fuse ...

Страница 12: ...trol Box Drier Fan Motor Hot Gas Valve Condenser Water Supply Pipe Spray Tubes High Pressure Switch Strainer Thermistor Evaporator Inlet Water Valve Thermostatic Bin Control Auxiliary Code U 0 and Earlier Mechanical Bin Control Auxiliary Code U 1 and Later U 1 and Later U 0 and Earlier Power Cord with Fused Plug 250V 13A fuse ...

Страница 13: ...When the thermistor reaches 48 F 9 C CB reads 3 9 kΩ from the thermistor and turns harvest termination over to the adjustable harvest timer S4 dip switch 1 2 The harvest timer has settings of 60 90 120 and 180 seconds The pump out timer S4 dip switch 3 4 acts in place of the harvest timer during cycles with a pump out S4 dip switch 5 6 WV is energized during harvest for a maximum of 6 minutes or t...

Страница 14: ...ut occur every cycle or every 2 5 or 10 cycles For details see II C 3 d Pump Out Frequency Control S4 dip switch 5 6 5 Harvest Cycle LEDs 1 4 and 2 are on Same as the initial harvest cycle See II B 1 a 2 Initial Harvest Cycle Note Icemaker continues to cycle until TBC is satisfied or power is turned off The icemaker always restarts at the 1 minute fill cycle 6 Shutdown When ice contacts the thermo...

Страница 15: ... over to the adjustable harvest timer S4 dip switch 1 2 The harvest timer has settings of 60 90 120 and 180 seconds The pump out timer S4 dip switch 3 4 acts in place of the harvest timer during cycles with a pump out S4 dip switch 5 6 WV is energized during harvest for a maximum of 6 minutes or the length of harvest whichever is shorter NOTICE Do not adjust S4 dip switch 7 out of the factory defa...

Страница 16: ...ency 1st Pump Out No 5 No 6 OFF OFF Every cycle After 2nd freeze cycle ON OFF Every 2 cycles After 3rd freeze cycle OFF ON Every 5 cycles After 6th freeze cycle ON ON Every 10 cycles After 11th freeze cycle 5 Harvest Cycle LEDs 1 4 and 2 are on Same as the initial harvest cycle See II B 1 b 2 Initial Harvest Cycle Note Icemaker continues to cycle until MBC is satisfied or power is turned off The i...

Страница 17: ...wn and Restart TBC Operation Ice contacts TBC bulb 2 Icemaker Off All components de energized 3 Ice Level Lowered No ice touching TBC bulb Icemaker starts at 1 1 Minute Fill Cycle TBC closed TBC open All components de energized To 1 above F S check 1 to 3 min harvest timer in control S4 dip switch 1 2 E Control Board Sequence Flow Chart 1 1 Minute Fill Cycle Cycle Steps 2 Harvest Cycle Thermistor ...

Страница 18: ...le Factory set for every 10th cycle S4 dip switch 5 6 Pump motor stops for 2 sec then reverses for 10 20 sec S4 dip switch 3 4 WV energized F S open WV continues Comp energized HGV energized Thermistor temperature reaches 48 F 9 C 3 9 kΩ or less Harvest timer starts 1 to 3 min F S open Comp continues FM energized LLV energized PM energized HGV de energized WV de energized F S closed Comp continues...

Страница 19: ...ains integrated circuits which are susceptible to failure due to static discharge It is especially important to touch the metal part of the icemaker when handling or replacing the control board Do not touch the electronic devices on the control board or the back of the control board Do not change wiring and connections Do not misconnect terminals Do not short out power supply to test for voltage A...

Страница 20: ...P for icemakers covered in this manual Freeze Timer LED yellow Harvest Backup Timer LED orange K2 Connector Control Transformer 10 5VAC ALARM RESET Button S4 Dip Switch OUTPUT TEST Button used to test relays on control board K3 white Connector Harvest Control thermistor K4 red Connector Mechanical Bin Control open on thermostatic bin control application K5 black Connector Float Switch LED 1 X1 Rel...

Страница 21: ... bin control application LED 2 X2 Relay LED 2 on K1 Connector Pin 2 LED 2 off K1 Connector Pin 3 LED 3 X3 Relay LED 3 on K1 Connector Pin 5 LED 3 off K1 Connector Pin 4 energized in freeze b G Control Board KM 320MAH E and KM 650MAH E Auxiliary Code U 1 and Later KM 515MAH E Auxiliary Code U 2 and Later Power LED red lights when 10 5VAC is supplied to K2 connector LED 4 X4 Relay K1 Connector Pin 6...

Страница 22: ...ing The built in safeties shut down the icemaker and have alarms as listed below No of Beeps every 3 sec Type of Alarm Notes 1 High Evaporator Temp temperature 127 F 53 C Check for harvest problem stuck HGV or relay hot water entering icemaker or shorted thermistor 2 Harvest Backup Timer harvest 20 min for two cycles in a row Orange LED marked H TIMER lights up Check for open thermistor HGV not op...

Страница 23: ...es Pump Out Cycle 1 4 3 2 Comp FMR HGV PM WV 10 seconds 20 seconds pump out timer setting The built in safeties shut down the icemaker and have alarms as listed below No of Beeps every 3 sec Type of Alarm Notes 1 High Evaporator Temp temperature 127 F 53 C Check for harvest problem stuck HGV or relay hot water entering icemaker or shorted thermistor 2 Harvest Backup Timer harvest 20 min for two cy...

Страница 24: ...ON ON ON OFF OFF ON ON KM 515MAH E OFF OFF OFF OFF OFF OFF OFF OFF ON OFF KM 650MAH E OFF OFF OFF OFF OFF OFF OFF OFF ON ON S5 Dip Switch Do Not Adjust G Control Board Dip Switch No 1 2 3 4 5 KM 320MAH E KM 515MAH E KM 650MAH E OFF OFF OFF OFF OFF Freeze Timer 9 10 Pump Out Frequency Control 5 6 Pump Out Timer 3 4 Harvest Timer 1 2 Factory Use 8 Bin Control Selector 7 E Control Board Harvest Pump ...

Страница 25: ...ch 3 4 NOTICE On KM 515MAH E and KM 650MAH E models never adjust the pump out timer s harvest timer T2 for a time less than 150 seconds Otherwise the icemaker will not perform properly When a pump out is called for the pump motor de energizes after the preceding freeze cycle The pump motor energizes 2 seconds later in the reverse direction taking water from the bottom of the water tank and forcing...

Страница 26: ...elow E G Control Board 1st Pump Out S4 Dip Switch Setting Pump Out Frequency E Control Board G Control Board No 5 No 6 OFF OFF Every cycle After 1st freeze cycle After 2nd freeze cycle ON OFF Every 2 cycles After 3rd freeze cycle OFF ON Every 5 cycles After 6th freeze cycle ON ON Every 10 cycles After 11th freeze cycle e Bin Control Selector Harvest Pump Timer S4 dip switch 7 Depending on the cont...

Страница 27: ... icemaker will not operate correctly G Control Board S4 Dip Switch Setting Pump Motor Time seconds No 7 ON 50 OFF 0 f Factory Use S4 dip switch 8 Factory set for proper operation Do not adjust This must be left in the factory default position g Freeze Timer S4 dip switch 9 10 NOTICE Adjust to proper specification or the icemaker may not operate correctly The freeze timer setting determines the max...

Страница 28: ...not operate correctly i Refill Counter S5 dip switch 2 through 5 G Control Board NOTICE Do not adjust These must be left in the factory default position or the icemaker will not operate correctly D Control Switch The control switch has three positions OFF for power off ICE for icemaking and WASH to activate the water pump when cleaning and sanitizing ...

Страница 29: ...at Switch Drain Check Valve Thermostatic Expansion Valve Compressor Hot Gas Valve High Pressure Switch Strainer Fan Drier Condenser Evaporator Discharge Line Suction Line Water Pump Thermistor Spray Tubes Inlet Water Valve Freeze Pump Out Water Tank Refrigeration Circuit Water Circuit Heat Exchanger Liquid Line Valve KM 515MAH E ...

Страница 30: ...m 1 Thermostatic Bin Control KM 320MAH E and KM 650MAH E Auxiliary Code U 0 and Earlier KM 515MAH E Auxiliary Code U 1 and Earlier Transformer Output 10 5V at 115V Pressure Switch Cut out 412 21 PSIG Cut in 327 21 PSIG 0 ...

Страница 31: ...chanical Bin Control KM 320MAH E and KM 650MAH E Auxiliary Code U 1 and Later KM 515MAH E Auxiliary Code U 2 and Later Transformer Output 10 5V at 115V Pressure Switch Cut out 412 21 PSIG Cut in 327 21 PSIG 0 ...

Страница 32: ...7 90 32 min 100 38 70 21 80 27 90 32 min 100 38 70 21 210 14 8 235 16 5 253 17 8 80 27 229 16 1 268 18 8 276 19 4 90 32 235 16 5 295 20 7 308 21 7 PSIG kg cm 2 G 100 38 233 16 4 298 21 0 320 22 5 70 21 56 3 9 57 4 0 58 4 1 80 27 57 4 0 59 4 1 60 4 2 90 32 57 4 0 60 4 2 61 4 3 PSIG kg cm2 G 100 38 57 4 0 60 4 2 62 4 4 5 400 BTU h AT 90ºF 32ºC WT 70ºF 21ºC 36 47 37 37 47 37 42 2 8 5 8 3 9 4 9 3 8 2 ...

Страница 33: ...100 38 70 21 80 27 90 32 min 100 38 70 21 245 17 2 267 18 8 294 20 6 80 27 262 18 4 296 20 8 321 22 5 90 32 267 18 8 320 22 5 346 24 3 PSIG kg cm 2 G 100 38 271 19 1 326 22 9 370 26 0 70 21 50 3 5 54 3 8 57 4 0 80 27 53 3 8 60 4 2 61 4 3 90 32 54 3 8 65 4 6 67 4 7 PSIG kg cm 2 G 100 38 54 3 8 65 4 6 69 4 9 10 400 BTU h AT 90ºF 32ºC WT 70ºF 21ºC 28 34 28 29 33 3 0 2 9 3 3 26 APPROXIMATE WATER CONSU...

Страница 34: ...100 38 70 21 80 27 90 32 min 100 38 70 21 236 16 6 259 18 2 286 20 1 80 27 254 17 8 290 20 4 314 22 1 90 32 259 18 2 315 22 1 341 24 0 PSIG kg cm 2 G 100 38 263 18 5 321 22 6 365 25 7 70 21 53 3 7 55 3 9 58 4 1 80 27 55 3 8 58 4 1 60 4 2 90 32 55 3 9 60 4 2 63 4 4 PSIG kg cm2 G 100 38 56 3 9 61 4 3 65 4 6 9 800 BTU h AT 90ºF 32ºC WT 70ºF 21ºC 2 9 TOTAL HEAT OF REJECTION FROM CONDENSER SUCTION PRES...

Страница 35: ... default settings see II C 3 a Default Dip Switch Settings As you go through the procedure check to assure the components energize and de energize correctly If not those components and controls are suspect 1 Remove the front panel Move the control switch to the OFF position then unplug the icemaker from the mains socket Clear any ice from TBC or MBC 2 Plug the icemaker back into the mains socket t...

Страница 36: ...ition on this model This dip switch must be left in the factory default position or this icemaker will not operate correctly For details see II C 3 e Bin Control Selector Harvest Pump Timer S4 Dip Switch 7 Diagnosis Check if Comp is running HGV and WV still energized Average harvest cycle at factory setting is 2 to 3 minutes How long does initial harvest last 1 5 minutes after initial harvest begi...

Страница 37: ...follow performance data provided in this manual See III C Performance Data 6 Pump Out Cycle 10 20 second pump out LEDs 1 3 and 2 are on LED 4 is on when S4 dip switch 3 4 are set to 3 off and 4 on KM 320MAH E Comp remains energized HGV energizes WV energizes if S4 dip switch 3 off and 4 on LLV KM 515MAH E and FM de energize PM stops for 2 seconds then reverses for 10 20 seconds depending on pump o...

Страница 38: ... altitude locations NOTICE Do not adjust S4 dip switch 7 out of the factory default position on this model This dip switch must be left in the factory default position or this icemaker will not operate correctly Diagnosis See IV C 1 Thermostatic Bin Control Check Auxiliary Code U 0 and Earlier b Mechanical Bin Control KM 320MAH E and KM 650MAH E Auxiliary Code U 1 and Later KM 515MAH E Auxiliary C...

Страница 39: ... proper voltage and the red LED is off replace CB If the secondary circuit does not have proper voltage check CT primary circuit Check for 115VAC at CB K1 connector pin 10 BR wire to a neutral W wire for 115VAC Always choose a neutral W wire to establish a good neutral connection when checking voltages For additional checks see IV F 1 No Ice Production 3 The OUTPUT TEST button provides a relay seq...

Страница 40: ...tic bin control switch opens and shuts down 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 range may result in severe damage to the icemaker 1 Remove the front panel Move the control switch to the OFF position then unplug the icemaker fro...

Страница 41: ...hanical Bin Control Cleaning If MBC switch still reads open replace MBC 6 Press and hold the actuator paddle check for continuity across the wires of MBC connector When the actuator paddle is engaged MBC switch is open If closed check that the actuator paddle is not restricted Clean if necessary See IV C 2 b Mechanical Bin Control Cleaning If MBC switch still reads closed replace MBC 7 Reconnect M...

Страница 42: ...own MBC with a mixture of 1 part of Hoshizaki Scale Away and 25 parts of warm water Rinse the parts thoroughly with clean water 7 Reassemble MBC and replace it in its correct position Note If the magnet was removed for cleaning be sure to replace it in its correct position 8 Reconnect MBC connector to CB K4 red connector 9 Replace the control box cover and base cover in their correct positions 11 ...

Страница 43: ...k F S connector then replace the control box cover in its correct position 7 Plug the icemaker back into the mains socket then move the control switch to the ICE position Replace the front panel in its correct position After 1 minute the 1 minute fill cycle should end and the initial harvest cycle should begin If the initial harvest cycle begins F S is good and the check is complete If the initial...

Страница 44: ...he retainer rod from the bottom of F S housing then remove the float Be careful not to bend the retainer rod excessively when removing it 5 Wipe down F S housing shaft float and retainer rod with a mixture of 1 part Hoshizaki Scale Away and 25 parts warm water Clean the inside of the rubber boot and hose with cleaning solution Rinse the parts thoroughly with clean water 6 Reassemble F S assembly a...

Страница 45: ...istor See V B Important Notes for Component Replacement If within the normal range continue to the next step 6 Replace the thermistor in its correct position See V B Important Notes for Component Replacement 7 Reconnect the white thermistor connector to CB K3 white connector 8 Replace the control box cover in its correct position 9 Plug the icemaker back into the mains socket then move the control...

Страница 46: ...e Switch a Dirty condenser b Fan motor not operating c Refrigerant overcharged d Bad contacts e Refrigerant lines or components plugged 8 Control Transformer 115VAC 10 5VAC a Coil winding open or shorted 9 Control Board See IV B Control Board Check a In alarm b Yellow BC OPEN LED on bin full c Defective 10 Mechanical Bin Control KM 320MAH E and KM 650MAH E Aux Code U 1 and Later KM 515MAH E Aux Co...

Страница 47: ...cle 20 Fan Motor a Motor winding open b Bearing worn out or locked rotor c Defective capacitor 21 Water System a Water leaks causing short freeze time 2 Freeze Up Defrost and clean the icemaker prior to diagnosing freeze up See VI A Cleaning and Sanitizing Instructions Fill out a freeze up checklist The freeze up checklist can be found in the Hoshizaki America Technician s Pocket Guide or contact ...

Страница 48: ... disconnected or defective 11 Thermostatic Expansion Valve a Defective 12 Hot Gas Valve a Closed or restricted 13 Liquid Line Valve KM 515MAH E a Open Freeze Cycle 1 Evaporator a Scaled up b Damaged 2 Spray Tubes and or Spray Guides a Dirty b Out of position 3 Refrigerant Charge a Low 4 Control Board See IV B Control Board Check a Freeze timer S4 dip switch 9 10 set incorrectly b Defective 5 Inlet...

Страница 49: ...as Valve a Erratic or closed 8 Inlet Water Valve a Screen or orifice clogged 9 Compressor a Inefficient or off 10 Liquid Line Valve KM 515MAH E a Erratic or open 11 Thermostatic Expansion Valve a Defective Long Freeze Cycle 1 Evaporator a Scaled up dirty 2 Float Switch See IV D Float Switch Check and Cleaning a Scaled up dirty b Float sticking c Defective switch 3 Inlet Water Valve a Leaking by 4 ...

Страница 50: ...pressure using nitrogen gas 140 PSIG Do not use R 404A as a mixture with pressurized air for leak testing NOTICE Always recover the refrigerant and store it in an approved container Do not discharge the refrigerant into the atmosphere Do not leave the system open for longer than 15 minutes when replacing or servicing parts The Polyol Ester POE oils used in R 404A applications can absorb moisture q...

Страница 51: ...he evaporator case are specially coated to resist corrosion it is important to make connections outside the evaporator case when possible If it is necessary to braze inside the evaporator case use sandpaper to remove the coating from the brazing connections before unbrazing the components NOTICE Always install a new drier every time the sealed refrigeration system is opened Do not replace the drie...

Страница 52: ...purge the air from the hose See the nameplate on the icemaker for the required refrigerant charge Hoshizaki recommends only virgin refrigerant or reclaimed refrigerant which meets ARI Standard 700 latest edition be used 6 A liquid charge is required when charging an R 404A system to prevent fractionation Place the service cylinder on the scales if the service cylinder is not equipped with a dip tu...

Страница 53: ... E Replace the strainer if applicable Use copper tube of the same diameter and length when replacing valve lines Fan Motor Install a new capacitor Pump Motor Install a new capacitor Thermistor Attach the new thermistor to the suction line in the same location as the previous thermistor The thermistor should be at the 12 o clock position on the tube Smoothly fill the recessed area of the thermistor...

Страница 54: ...in is for ice use only Do not store anything else in the storage bin A Cleaning and Sanitizing Instructions This icemaker must be cleaned and sanitized at least once a year More frequent cleaning and sanitizing may be required in some water conditions WARNING To prevent injury to individuals and damage to the icemaker do not use ammonia type cleaners Carefully follow any instructions provided with...

Страница 55: ...etainer rod from the bottom of the float switch housing then remove the float Be careful not to bend the retainer rod excessively when removing it c Wipe down the float switch assembly s housing shaft float and retainer rod with cleaning solution Clean the inside of the rubber boot and hose with cleaning solution Rinse the parts thoroughly with clean water d Reassemble the float switch assembly an...

Страница 56: ...Pour the sanitizing solution into the water tank 4 Replace the insulation panel in its correct position 5 Plug the icemaker back into the mains socket then move the control switch to the WASH position to start the sanitizing process 6 Replace the front panel in its correct position 7 After 15 minutes remove the front panel Move the control switch to the OFF position then unplug the icemaker from t...

Страница 57: ...ally with a clean soft cloth Use a damp cloth containing a neutral cleaner to wipe off oil or dirt buildup 2 Storage Bin Scoop Wash your hands before removing ice from the storage bin Use the plastic scoop provided storage bin accessory Clean the scoop using a neutral cleaner Rinse thoroughly after cleaning 3 Storage Bin The storage bin is for ice use only Do not store anything else in the storage...

Страница 58: ... drain valve 3 Allow the line to drain by gravity 4 Attach a compressed air or carbon dioxide supply to the icemaker water supply line drain valve 5 Make sure at least 3 minutes have elapsed since you unplugged the icemaker Plug the icemaker back into the mains socket then move the control switch to the ICE position Replace the front panel in its correct position 6 Blow the icemaker water supply l...

Страница 59: ...posal This icemaker contains refrigerant and must be disposed of in accordance with applicable national state and local codes and regulations Refrigerant must be recovered by properly certified service personnel ...

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