Hoshizaki KM-901MAH, KM-901MWH, KM-901MRH/3 service manual Performance Data

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C. Performance Data

1. KM-901MAH (air-cooled)

APPROXIMATE ICE				AMBIENT TEMP.				WATER TEMP. (ºF/ºC)
PRODUCTION PER 24 HR.				(ºF/ºC)		50/10				70/21			90/32
				70/21		874	396		832	378		785	356
				80/27		842	382		778	353		736	334
				90/32		832	378		732	332		687	312
lbs./day		kg./day		100/38		826	375		721	327		646	293

APPROXIMATE ELECTRIC				70/21		1600				1632			1658
CONSUMPTION				80/27		1625				1675			1691
				90/32		1632				1710			1731
watts				100/38		1631				1715			1750
APPROXIMATE WATER				70/21		240	0.91		212	0.80		187	0.71
CONSUMPTION PER 24 HR.				80/27		219	0.83		175	0.66		158	0.60
		m3/day		90/32		212	0.80		143	0.54		123	0.46
gal./day		m3/day		100/38		175	0.66		139	0.52		103	0.39
FREEZING CYCLE TIME				70/21		19				20			22
				80/27		20				22			24
				90/32		20				24			26
min.				100/38		21				24			27
HARVEST CYCLE TIME				70/21		4.3				3.9			3.6
				80/27		4.0				3.3			3.1
				90/32		3.9				2.8			2.6
min.				100/38		3.3				2.7			2.4
HEAD PRESSURE				70/21		219	15.4		238	16.7		261	18.3
				80/27		234	16.4		263	18.5		284	20.0
				90/32		238	16.7		284	20.0		306	21.5
PSIG	kg/cm2G			100/38		242	17.0		289	20.3		327	23.0
SUCTION PRESSURE				70/21		35	2.5		37	2.6		41	2.9
				80/27		36	2.6		39	2.7		44	3.1
				90/32		37	2.6		41	2.9		46	3.2
PSIG	kg/cm2G			100/38		38	2.7		42	3.0		50	3.5
TOTAL HEAT OF REJECTION FROM CONDENSER							15,400 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]

Note:

1.Pressure data is recorded at 5 minutes into freeze cycle. The data not in bold should be used for reference only.

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

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Contents KM-901MAH KM-901MWH Hoshizaki AMERICA, INC Contents Page Page Indicates important information about the use and care Important Safety InformationSerious injury 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 Cycle Control Board Sequence Flow ChartSequence Flow Chart Bin FullMinute Harvest Cycle Freeze Cycle Pump-Out Cycle Control Board Auxiliary Code U-1Later Fill CycleControl Board Control Board Layout Control BoardPart Number 2A3792-01 Low Water Safety Harvest Backup Timer and Freeze TimerHigh Temperature Safety Maximum Water Supply Period 6 minutesSequence Step LED Lights and Audible Alarm SafetiesNo. of Beeps Type of Alarm Every 3 sec Energized Time LEDs are On Components Min Max AvgControl Board Auxiliary Code U-1 and Later Harvest Timer S4 dip switch 1 Controls and AdjustmentsDefault Dip Switch Settings 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 Control Board S4 Dip Switch Setting Bin Control Bin Control Selector/Harvest Pump Timer S4 dip switchFactory Use S4 dip switch Control Board S4 Dip Switch Setting Pump Motor Time secondsRefill Counter S5 dip switch 2 through 5 G Control Board Freeze Timer S4 dip switch 9Float Switch Control S5 dip switch 1 G Control Board S4 Dip Switch Setting Time MinutesBin Control Float SwitchControl Switch 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 1480 912835 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