Manuals / Hoshizaki / Kitchen Appliance / Ice Maker

Hoshizaki KM-901MAH, KM-901MWH, KM-901MRH/3 service manual Specifications, Model URC-9F

Models: KM-901MRH/3 KM-901MWH KM-901MAH

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Specifications

MODEL: URC-9F

AC SUPPLY VOLTAGE	115/60/1 (Connection to Icemaker)
FAN MOTOR	115 V	Total 1.3FLA	65W

EXTERIOR DIMENSIONS (WxDxH)	32-3/16" x 15-11/16" x 21-15/16" (817 x 398 x 558 mm)
DIMENSIONS INCLUDING LEGS (WxDxH)	34-5/16" x 18-1/8" x 36-15/16" (871 x 460 x 938 mm)
EXTERIOR FINISH	Galvanized Steel

WEIGHT	Net 81 lbs. ( 37 kg ) Shipping 92 lbs. ( 42 kg )

CONNECTIONS - ELECTRIC	Permanent - Connection
- REFRIGERANT	Discharge Line 1-1/16"-12 UNF Fitting (#10 AEROQUIP)
	Liquid Line	5/8"-18 UNF Fitting (#6 AEROQUIP)

CONDENSER	Air-cooled, Fin and tube type
FAN MOTOR PROTECTION	Thermal Protection
REFRIGERANT CONTROL	Condensing Pressure Regulator
REFRIGERANT CHARGE	R-404A	3 lbs. 14.8 oz.	(1780g)
DESIGN PRESSURE	High 467 PSIG

OPERATING CONDITIONS	VOLTAGE RANGE		104 ~ 127 V
	AMBIENT TEMP.		-20 ~ 122 °F

ACCESSORIES -SUPPLIED	Leg			2 pcs
	Hex. Head Bolt w/Washer		8 x 16	8 pcs
	Hex. Nut		8	8 pcs

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

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Hoshizaki KM-901MAH, KM-901MWH, KM-901MRH/3 service manual Specifications, Model URC-9F

Contents

KM-901MAH KM-901MWH Hoshizaki AMERICA, INC Contents Page Page Important Safety Information Serious injuryIndicates important information about the use and care UnitSpecifications Icemaker 1a. KM-901MAH air-cooled Auxiliary Code T-0, U-01b. KM-901MAH air-cooled Auxiliary Code U-1 and Later 2a. KM-901MWH water-cooled Auxiliary Code T-0, U-0 Water Cooled Condenser2b. KM-901MWH water-cooled Auxiliary Code U-1 and Later 3a. KM-901MRH remote air-cooled Auxiliary Code T-0, U-0 3b. KM-901MRH remote air-cooled Auxiliary Code U-1 and Later 4a. KM-901MRH3 remote air-cooled Auxiliary Code T-0, U-0 4b. KM-901MRH remote air-cooled Auxiliary Code U-1 and Later Condenser Unit Specifications Model URC-9FII. General Information Construction KM-901MAH air-cooledKM-901MWH water-cooled KM-901MRH/3 remote air-cooled Sequence Cycles and Shutdown Sequence of OperationControl Board Auxiliary Code T-0, U-0 Shutdown Control Board Auxiliary Code U-1 and LaterOFF Cycle at Shutdown Mechanical Bin Control Activation Control Board Sequence Flow Chart Sequence Flow ChartCycle Bin FullControl Board Auxiliary Code U-1 LaterMinute Harvest Cycle Freeze Cycle Pump-Out Cycle Fill CycleControl Board Control Board Layout Control BoardPart Number 2A3792-01 Harvest Backup Timer and Freeze Timer High Temperature SafetyLow Water Safety Maximum Water Supply Period 6 minutesLED Lights and Audible Alarm Safeties No. of Beeps Type of Alarm Every 3 secSequence Step Energized Time LEDs are On Components Min Max AvgControl Board Auxiliary Code U-1 and Later Controls and Adjustments Default Dip Switch SettingsHarvest Timer S4 dip switch 1 S4 Dip Switch S4 Dip Switch NoPump-Out Frequency Control S4 dip switch 5 Pump-Out Timer S4 dip switch 3S4 Dip Switch Setting Time seconds Inlet Bin Control Selector/Harvest Pump Timer S4 dip switch Factory Use S4 dip switchControl Board S4 Dip Switch Setting Bin Control Control Board S4 Dip Switch Setting Pump Motor Time secondsFreeze Timer S4 dip switch 9 Float Switch Control S5 dip switch 1 G Control BoardRefill Counter S5 dip switch 2 through 5 G Control Board S4 Dip Switch Setting Time MinutesFloat Switch Control SwitchBin Control ThermistorWater Pump Switch Discharge Line ModelCooled-AirWater-Cooled Model PressureHigh* Switch Wiring DiagramsKM-901MAH air-cooled and KM-901MWH water-cooled KM-901MRH remote air-cooled PressureSwitchHigh KM-901MRH3 remote air-cooled Switch Cooled-WaterModel Cooled-AirModel High* PressureHigh Pressure Switch SwitchPressure Performance Data 912 8351480 1570KM-901MRH remote air-cooled KM-901MRH3 remote air-cooled IV. Service Diagnosis Diagnostic ProcedurePage OFF Control Board Check Shutdown Thermostatic Bin Control Auxiliary Code T-0, U-0Bin Control Check Control Correct LED Board Lighting SequenceMechanical Bin Control Check Mechanical Bin Control Cleaning Float Switch Check and Cleaning Float Switch CheckFloat Switch Cleaning Thermistor Check Problem Possible Cause Remedy Diagnostic ChartsNo Ice Production Problem Possible Cause Remedy Problem Possible Cause Remedy Evaporator is Frozen Up Problem Possible Cause Remedy Low Ice Production Abnormal Ice Other Service for Refrigerant Lines Removal and Replacement of ComponentsRefrigerant Recovery Brazing Evacuation and Recharge R-404ARemoval and Replacement of Compressor Removal and Replacement of Expansion Valve Page Removal and Replacement of Evaporator Removal and Replacement of Air-Cooled Condenser Removal and Replacement of Water-Cooled Condenser Removal and Replacement of Remote Air-Cooled Condenser Page Adjustment of Water Regulating Valve water-cooled model Removal and Replacement of Thermistor Removal and Replacement of Inlet Water Valve Removal and Replacement of Pump Motor Removal and Replacement of Control Board VI. Cleaning and Maintenance Cleaning and Sanitizing InstructionsCleaning Procedure Sanitizing Procedure Following Cleaning Procedure Maintenance Preparing the Icemaker for Long StorageDrain the water tank