Hoshizaki KM-630MRH, KM-630MAH service manual 2a. KM-630MWH Serial #L00001D M20270B

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2a. KM-630MWH Serial #L00001D - M20270B

AC SUPPLY VOLTAGE

208-230/60/1 (3 wire with neutral for 115V)

 

AMPERAGE

6.5 A

( 5 Min. Freeze AT 104°F / WT 80°F)

 

MINIMUM CIRCUIT AMPACITY

15 A

 

 

 

 

MAXIMUM FUSE SIZE

15 A

 

 

 

 

APPROXIMATE ICE PRODUCTION

Ambient

 

WATER TEMP. (°F)

PER 24 HR.

Temp.(°F)

50

70

90

lbs./day ( kg/day )

 

70

*619 (281)

596 (270)

563 (256)

Reference without *marks

 

80

602 (273)

566 (257)

533 (242)

 

 

90

596 (270)

*541 (245)

507 (230)

SHAPE OF ICE

100

589 (267)

533 (242)

476 (216)

Crescent Cube

 

 

 

ICE PRODUCTION PER CYCLE

14.3 lbs. (6.5 kg) 720 pcs.

 

 

APPROXIMATE STORAGE CAPACITY

N/A

 

 

 

 

ELECTRIC & WATER CONSUMPTION

90/70°F

 

70/50°F

 

ELECTRIC W (kWH/100 lbs.)

1306 (5.7)

 

1290 (5.0)

 

WATER gal./24HR (gal./100 lbs.)

196 (36.3)

 

335 (54.1)

 

WATER COOLED CONDENSER

844 (156)

 

458 (74)

 

gal./24HR (gal./100 lbs.)

 

 

 

 

 

EXTERIOR DIMENSIONS (WxDxH)

22" x 27-1/2" x 37-1/2" (560 x 695 x 950 mm)

 

EXTERIOR FINISH

Stainless Steel, Galvanized Steel (Rear)

 

WEIGHT

Net 154 lbs. ( 70 kg ), Shipping 185 lbs. (84 kg)

 

CONNECTIONS - ELECTRIC

Permanent - Connection

 

 

- WATER SUPPLY

Inlet

1/2" FPT

Condenser Inlet

1/2" FPT

- DRAIN

Outlet

3/4" FPT

Condenser Outlet

3/8" FPT

 

3/8" OD Pipe

 

 

 

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

Proximity Switch with Delay

 

 

COMPRESSOR

Hermetic, Model RS64C1E-CAV

 

CONDENSER

Water-cooled, Tube in tube type

 

EVAPORATOR

Vertical type,

Stainless Steel and Copper

 

REFRIGERANT CONTROL

Thermostatic Expansion Valve

 

 

REFRIGERANT CHARGE

R-404A,

1 lb. 3 oz. ( 525 g )

 

DESIGN PRESSURE

High 427 PSIG, Low 230 PSIG

 

P.C. BOARD CIRCUIT PROTECTION

High Voltage Cut-out ( Internal )

 

COMPRESSOR PROTECTION

Auto-reset Overload Protector ( Internal )

 

REFRIGERANT CIRCUIT PROTECTION

Auto-reset High Pressure Control Switch

 

LOW WATER PROTECTION

Float Switch

 

 

 

ACCESSORIES -SUPPLIED

N/A

 

 

 

 

-REQUIRED

Ice Storage Bin

 

 

OPERATING CONDITIONS

VOLTAGE RANGE

 

187 - 253 V

 

AMBIENT TEMP.

 

45 -100° F

 

WATER SUPPLY TEMP.

 

45 - 90° F

 

WATER SUPPLY PRESSURE

10 - 113 PSIG

Note: We reserve the right to make changes in specifications and design without prior notice.

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Contents KM-630MAH KM-630MWH KM-630MRH Hoshizaki AMERICA, INC Contents Maintenance Specifications KM-630MAH Water TEMP. F2a. KM-630MWH Serial #L00001D M20270B 2b. KM-630MWH Serial #M20301E KM-630MRH Condenser Unit URC-6FSpecifications II. General Information Construction KM-630MAHKM-630MWH KM-630MRH SOLID-STATE Control Features of Control Products E Controller BoardController Board Controller BoardPage Harvest Cycle Beep every 3 sec. = High Evaporator Temperature 127 FMinute Fill Cycle Freeze CycleControl Products HOS-001A Board Sequence 1st Cycle Important Water Valve opening is limited to 6 minutes2nd Cycle and after with pump drain 2nd Cycle and after with no pump drain Controls and Adjustments For Models with ThermostatPage Setting Time Models with Thermostat Models with Mechanical BIN Control Checking the Controller BoardProximity Switch Mechanical BIN ControlExplanation of Operation Troubleshooting Mechanical BIN Control only KM-630MAH KM-630MWH KM-630MRH Wiring Diagrams Page B1 KM-630MRH with auxiliary codes L-0, M-0, M-1 B2 KM-630MRH with auxiliary codes M-2 and after Timing Chart Page Performance Data 157B1 KM-630MWH Serial #L00001D M20270B Pressure Drop of Cooling Water LineB2 KM-630MWH Serial #M20301E 603 IV. Service Diagnosis 1. no ICE Production Problem Possible Cause RemedyController Board Problem Possible Cause Remedy Evaporator is Frozen UP ThermistorLOW ICE Production Abnormal ICEOthers Refrigerant Recovery Removal and Replacement of ComponentsService for Refrigerant Lines Evacuation and Recharge R-404ABrazing Removal and Replacement of Compressor Important Page Removal and Replacement of Drier Removal and Replacement of Expansion ValveRemoval and Replacement of HOT GAS Valve and Line Valve Page Removal and Replacement of Evaporator Important Page Adjustment of Water Regulating Valve WATER-COOLED Model only Page Removal and Replacement of Thermistor Caution Removal and Replacement of FAN Motor Removal and Replacement of Water Valve Removal and Replacement of Pump MotorRemoval and Replacement of Spray Tubes VI. Cleaning and Maintenance Instructions Preparing the Icemaker for Long StoragePage Cleaning and Sanitizing Procedures Cleaning Procedure Page Sanitizing Procedure Maintenance