Manuals / Hoshizaki / Kitchen Appliance / Ice Maker

Hoshizaki KM-1301SWH/3, KM-1301SAH/3, KM-1301SRH/3 service manual Specifications, MODEL: URC-14F

Models: KM-1301SWH/3 KM-1301SRH/3 KM-1301SAH/3

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SPECIFICATIONS

MODEL: URC-14F

AC SUPPLY VOLTAGE	115/60/1 (Connection to Icemaker)
FAN MOTOR	115 V	Total 2.6FLA	130W

EXTERIOR DIMENSIONS (WxDxH)	35-11/16" x 15-11/16" x 21-15/16" (907.2 x 398 x 557.8 mm)
DIMENSIONS INCLUDING LEGS (WxDxH)	37-13/16" x 18-1/8" x 36-15/16" (960 x 460 x 937.8 mm)
EXTERIOR FINISH	Galvanized Steel

WEIGHT	Net 80 lbs. ( 36 kg ) Shipping 87 lbs. ( 39 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	4 lb. 7 oz.	(2000g)
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

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Hoshizaki KM-1301SWH/3, KM-1301SAH/3, KM-1301SRH/3 service manual Specifications, MODEL: URC-14F

Contents

HoshizakiHoshizaki America, Inc KM-1301SWH/3 KM-1301SRH/3 SERVICE MANUALStackable Crescent Cuber Models KM-1301SAH/3 Peachtree City, GA •Complete and detailed explanation of the problemHOSHIZAKI AMERICA, INC 618 Highway 74 South Attn: Hoshizaki Technical Support DepartmentCONTENTS g Freeze Timer S4 dip switch 9 & e Harvest Pump Timer S4 dip switchf Factory Use S4 dip switch h Float Switch Control S5 dip switch1. Refrigerant Recovery V. Removal and Replacement of ComponentsA. Service for Refrigerant Lines B. Removal and Replacement of CompressorImportant Safety Information I. Specifications A. Icemaker 1. KM-1301SAH air-cooled2. KM-1301SAH3 air-cooled 3. KM-1301SWH water-cooled 4. KM-1301SWH3 water-cooled 5. KM-1301SRHremote air-cooled 6. KM-1301SRH3remote air-cooled Unit: inches mm B. Condenser Unit1. URC-14F SPECIFICATIONS MODEL: URC-14FII. General Information A.Construction 1. KM-1301SAH, KM-1301SAH3 air-cooled2. KM-1301SWH, KM-1301SWH3 water-cooled 3. KM-1301SRH, KM-1301SRH3remote air-cooled a1-MinuteFill Cycle B. Sequence of Operation1. Sequence Cycles and Shutdown bInitial Harvest CyclefShutdown dPump-OutCycleeHarvest Cycle KM-1301SAH/3, KM-1301SWH/3,and KM-1301SRH/3 G Control Board Sequence Flow ChartTimer Harvest PumpC. Control Board Control Board G Control Board1. Control Board Layout Part Number 2A3792-01dLow Water Safety bHarvest Backup Timer and Freeze TimercHigh Temperature Safety aMaximum Water Supply Period - 6 minutesf LED Lights and Audible Alarm Safeties bHarvest Timer S4 dip switch 1 & 3. Controls and AdjustmentsaDefault Dip Switch Settings c Pump-OutTimer S4 dip switch 3 & dPump-OutFrequency Control S4 dip switch 5 &g Freeze Timer S4 dip switch 9 & e Harvest Pump Timer S4 dip switchf Factory Use S4 dip switch h Float Switch Control S5 dip switch i Refill Counter S5 dip switch 2 throughD. Bin Control E. Float SwitchG. Control Switch F. ThermistorTank III. Technical InformationA. Water Circuit and Refrigeration Circuit KM-1301SWH, KM-1301SWH3 water-cooled Water TankSpray Tubes Water Tanka KM-1301SAH air-cooled B. Wiring Diagrams1.Auxiliary Code T-0, U-0 Transformer Output 10.5V atTransformer Output 10.5V at Auxiliary Code T-0, U-0bKM1301SWH water-cooled 412±21 Auxiliary Code T-0, U-0cKMCut-out PSIG1301SWH3 waterKM-1301SAH3 air-cooledand KM cooledTransformer Output Auxiliary Code T-0, U-0KM-1301SRH3remote air-cooled 10.5V atTransformer Output Code U-1and LaterAuxiliary 10.5V atb KM-1301SWH water-cooled Auxiliary CodeU-1and Later 10.5V at10.5V at Auxiliary Code U-1and Laterc KM-1301SRHremote air-cooled Transformer OutputCut-out Air-CooledModelWater-CooledModel 412±21 PSIGTransformer Output 1301SRH3 remote air-coolede KM 10.5V atC. Performance Data APPROXIMATE ICE APPROXIMATE ICE APPROXIMATE ICE APPROXIMATE ICE APPROXIMATE ICE IV. Service Diagnosis A.Diagnostic Procedure31-MinuteFill Cycle – LED 4 is on. WV and X2 relay auxiliary code T-0,U‑0 5Freeze Cycle – LED 1 is on. Comp and FMR remain energized, PM energizes or remains energized depending on harvest pump timer S4 dip switch 7 setting. FM and LLV energize. HGV, and X1 relay auxiliary code T‑0, U-0,X10 relay auxiliary code U‑1 and later de‑energize. The unit is held in freeze by a 5-minuteshort cycle protection timer CB will not accept a signal from F/S. After the 5-minuteshort cycle protection timer expires, CB turns freeze termination over to F/S. During the first 5 minutes of freeze, confirm that the evaporator temperature drops. After 8Shutdown B. Control Board Check C. Bin Control Check D.Float Switch Check and Cleaning1. Float Switch Check 2.Float Switch Cleaning Fig.E.Thermistor Check F. Diagnostic Charts 1. No Ice Production1 The icemaker will not 3 Compressor will 2. Evaporator is Frozen Up 1Freeze cycle time is 3. Low Ice Production 4. Abnormal Ice 5. Other 1.Refrigerant Recovery V. Removal and Replacement of ComponentsA.Service for Refrigerant Lines 2. Brazing 3.Evacuation and Recharge R-404AB.Removal and Replacement of Compressor C.Removal and Replacement of Expansion Valve 11Place the expansion valve cover in position E. Removal and Replacement of Evaporator F. Removal and Replacement of Air-CooledCondenser 1Turn off the power supply 2Remove the panels 1Turn off the power supply water‑cooled model Regulator - C.P.R. remote air-cooledmodel L.Removal and Replacement of Thermistor Fig.N.Removal and Replacement of Inlet Water Valve remote air‑cooled modelsO. Removal and Replacement of Pump Motor Fig.P. Removal and Replacement of Control Board VI. Cleaning and Maintenance A. Cleaning and Sanitizing Instructions1.Cleaning Procedure 18Replace the front panel in its correct position 1. Stainless Steel Exterior B. Maintenance InstructionsC. Preparing the Icemaker for Long Storage 2.Storage Bin and ScoopFig. 3.Drain the water tank