Hoshizaki KM-630MRH, KM-630MAH service manual 2b. KM-630MWH Serial #M20301E

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2b. KM-630MWH Serial #M20301E -

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

*621 (282)

 

603 (273)

 

563 (256)

Reference without *marks

 

80

607 (275)

 

578 (262)

 

532 (241)

 

 

90

603 (273)

 

*558 (253)

 

514 (233)

SHAPE OF ICE

100

590 (268)

 

548 (248)

 

473 (215)

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.)

1279 (5.5)

 

1268 (4.9)

 

 

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

156 (27.9)

 

299 (48.1)

 

 

WATER COOLED CONDENSER

536 (96)

 

354 (57)

 

 

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

Pressure Regulator

 

 

 

 

BIN CONTROL SYSTEM

Proximity Switch with Delay

 

 

 

 

COMPRESSOR

Hermetic, Model RS64C2E-CAV-219

 

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. 4.3 oz. ( 575 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 Water TEMP. F Specifications KM-630MAH2a. KM-630MWH Serial #L00001D M20270B 2b. KM-630MWH Serial #M20301E KM-630MRH URC-6F Condenser UnitSpecifications KM-630MAH II. General Information ConstructionKM-630MWH KM-630MRH Controller Board Features of Control Products E Controller BoardController Board SOLID-STATE ControlPage Freeze Cycle Beep every 3 sec. = High Evaporator Temperature 127 FMinute Fill Cycle Harvest CycleControl Products HOS-001A Board Important Water Valve opening is limited to 6 minutes Sequence 1st Cycle2nd Cycle and after with pump drain 2nd Cycle and after with no pump drain For Models with Thermostat Controls and AdjustmentsPage Setting Time Models with Thermostat Checking the Controller Board Models with Mechanical BIN ControlMechanical BIN Control Proximity SwitchExplanation 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 157 Performance DataPressure Drop of Cooling Water Line B1 KM-630MWH Serial #L00001D M20270BB2 KM-630MWH Serial #M20301E 603 Problem Possible Cause Remedy IV. Service Diagnosis 1. no ICE ProductionController Board Problem Possible Cause Remedy Thermistor Evaporator is Frozen UPAbnormal ICE LOW ICE ProductionOthers Evacuation and Recharge R-404A Removal and Replacement of ComponentsService for Refrigerant Lines Refrigerant RecoveryBrazing Removal and Replacement of Compressor Important Page Removal and Replacement of Expansion Valve Removal and Replacement of DrierRemoval 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 Pump Motor Removal and Replacement of Water ValveRemoval and Replacement of Spray Tubes Preparing the Icemaker for Long Storage VI. Cleaning and Maintenance InstructionsPage Cleaning and Sanitizing Procedures Cleaning Procedure Page Sanitizing Procedure Maintenance