Manuals / Hoshizaki / Kitchen Appliance / Ice Maker

Hoshizaki KMD-410MAH, KMD-410MWH manual c CONTROLS AND ADJUSTMENTS a Default Dip Switch Settings

Models: KMD-410MWH KMD-410MAH

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[c] CONTROLS AND ADJUSTMENTS

[c] CONTROLS AND ADJUSTMENTS

a) Default Dip Switch Settings

The dip switch is factory-adjusted to the following positions:

S1 Dip Switch No.	1	2	3	4	5	6	7	8	9	10
KMD-410MAH	OFF	OFF	OFF	OFF	ON	ON	ON	ON	OFF	OFF
KMD-410MWH	OFF	OFF	OFF	OFF	ON	ON	ON	ON	ON	OFF

S2 Dip Switch

* Functions of S2 dip switch nos. 2 through 6 depend on program version.

	Control Board	Program Ver.	S2 Dip Switch No.	1	2	3	4	5	6
	P00013-02	2.5 or earlier	KMD-410MAH	ON	OFF	ON	OFF	OFF	ON
			KMD-410MWH	ON	OFF	ON	OFF	OFF	ON

		3.1	KMD-410MAH	ON	ON	ON	OFF	OFF	ON
	P01771-02		KMD-410MWH	ON	ON	ON	OFF	OFF	ON

		3.2	KMD-410MAH	ON	ON	ON	OFF	OFF	OFF

			KMD-410MWH	ON	ON	ON	OFF	OFF	OFF

Do not adjust the S2 dip switch. These must be left in the factory default position, or the unit will not operate properly.

b) Harvest Timer (S1 dip switch 1 & 2)

Used for adjustment of the harvest timer. The harvest timer starts counting when the thermistor reads a certain temperature at the evaporator outlet.

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Hoshizaki KMD-410MAH, KMD-410MWH c CONTROLS AND ADJUSTMENTS a Default Dip Switch Settings, b Harvest Timer S1 dip switch 1

Contents

Page Page CONTENTS PAGE1. 10-MINUTE DIAGNOSTIC PROCEDURE 2. DIAGNOSTIC CHARTSV. REMOVAL AND REPLACEMENT 1. SERVICE FOR REFRIGERANT LINESI. SPECIFICATIONS 1. SPECIFICATIONS a KMD-410MAH air-cooledb KMD-410MWH water-cooled II. GENERAL INFORMATION 1. CONSTRUCTION a KMD-410MAHb KMD-410MWH Water Supply Tube Spray Guide Spray Tube Cleaning Valve Access ValveHigh Side Thermistor Access Valve Low Side Cube Guide Water Tank Pump Motor Float Switch Bin Control Switch2. SEQUENCE OF OPERATION a ONE MINUTE FILL CYCLEb INITIAL HARVEST CYCLE c FREEZE CYCLEe NORMAL HARVEST CYCLE KMD-410MAH, 410MWH 4. Drain Cycle3. CONTROL BOARD a CONTROL BOARD LAYOUT #4 Harvest Water Valve #5 Freeze Water Valve #1, 2, 3 Float SwitchControl Board Auxiliary Code V1 or Earlier V2 or Later Part Number P00013-02 P01771-02 TypeHKM2006V003b FEATURES a Maximum Water Supply Period - 6 minutes b Harvest Backup Timer and Freeze Timerc High Temperature Safety d Low Water Safetyf LED Lights and Audible Alarm Safeties c CONTROLS AND ADJUSTMENTS a Default Dip Switch Settings b Harvest Timer S1 dip switch 1d Drain Frequency Control S1 dip switch 5 c Drain Timer S1 dip switch 3e Water Saver Timer S1 dip switch 7 f Freeze Timer S1 dip switch 9 g Pump-Out Pump Motor Delay S2 dip switchh Refill Counter S2 dip switch 2, 3, & 4 Program Ver. 2.5 or earlier i Factory Use S2 dip switch 5 Program Ver. 2.5 or earlierk Harvest Promotion Control S2 dip switch 2 Program Ver. 3.1, Ver l Refill Counter S2 dip switch 3 Program Ver. 3.1, Vern Overfreeze Detection Control S2 dip switch 5 Program Ver. 3.1, Ver Control Board P01771-02o Anti-Slush Control S2 dip switch 6 Program Ver p Anti-Slush Control S2 dip switch 6 Program Verd CONTROL BOARD CHECK PROCEDURE e CONTROL BOARD REPLACEMENT4. HARVEST CONTROL - THERMISTOR 5. FLOAT SWITCH b CLEANINGc FLOAT SWITCH CHECK PROCEDURE a EXPLANATION OF OPERATION6. BIN CONTROL b BIN CONTROL CHECK PROCEDUREa EXPLANATION OF OPERATION 7. SWITCHES a CONTROL SWITCHb SERVICE SWITCH 1 DRAINIII. TECHNICAL INFORMATION 1. WATER CIRCUIT AND REFRIGERANT CIRCUIT 2. WIRING DIAGRAM The magnetic contactor wiring depends on the contactor model3. TIMING CHARTCONTROLLER 4. PERFORMANCE DATA a KMD-410MAHb KMD-410MWH IV. SERVICE DIAGNOSIS 1. 10-MINUTE DIAGNOSTIC PROCEDURE Page 2. DIAGNOSTIC CHARTS a NO ICE PRODUCTION1. See II. 3. d Control Board Check Procedure 1. See II. 3. d Control Board Check Procedure1. See II. 4. Harvest Control Thermistor 1. See II. 3. d Control Board Check Procedure 1. See II. 3. d Control Board Check Procedure1. See II. 3. d Control Board Check Procedure 1. See II. 3. d Control Board Check Procedureb EVAPORATOR IS FROZEN UP 9. Adjustment of Water Regulating Valvec LOW ICE PRODUCTION d ABNORMAL ICEe OTHER c Ice Cube Guide, Water Tank, DeflectorV. REMOVAL AND REPLACEMENT 1. SERVICE FOR REFRIGERANT LINES a SERVICE INFORMATION5 Service Parts for R404A 6 Replacement Copper Tubing R404Ab REFRIGERANT RECOVERY 7 Evacuation, Vacuum Pump and Refrigerant Charge R404A8 Refrigerant Leak Check c EVACUATION AND RECHARGE2. BRAZING 3. COMPRESSOR1 Turn off the power supply 2 Remove the panels and water tank. See V. 14. WATER TANK4. DRIER 5. HOT GAS VALVE 6. EXPANSION VALVE 7. EVAPORATOR 8. WATER REGULATING VALVE - WATER-COOLED MODEL ONLY 9. ADJUSTMENT OF WATER REGULATING VALVE WATER-COOLED MODEL ONLY 10. FAN MOTOR11. PUMP MOTOR 13. DRAIN VALVE, CLEANING VALVE 12. WATER VALVE14. WATER TANK 15. FLOAT SWITCH 12 Turn on the power supply11 Refit the panels in their correct positions 1 Remove the pump motor bracket. See V. 14. WATER TANK16. BIN CONTROL SWITCH 17. THERMISTOR 18. CONTROL BOX Screws Control Box Cover Screw Control Box a CONTROL & SERVICE SWITCH b FUSEc FUSE HOLDER d CONTROL BOARD19. SPRAY TUBE, WATER SUPPLY TUBE, SPRAY GUIDE g STARTERh RUN CAPACITOR i START CAPACITOR7 Remove the hose band connecting the water supply tube VI. CLEANING AND MAINTENANCE INSTRUCTIONS 1. CLEANING a CLEANING PROCEDUREa. Loosen the two thumbscrews securing the pump motor bracket b. Disconnect the discharge hoseh. Replace the float switch in its correct position 9 Pour the cleaning solution into the water tank10 Move the service switch to the WASH position 12 Turn on the power supply to start the washing process2. MAINTENANCE b SANITIZING PROCEDURE - FOLLOWING CLEANING PROCEDURE3. PREPARING THE ICEMAKER FOR LONG STORAGE a STAINLESS STEEL EXTERIORb STORAGE BIN AND SCOOP c AIR FILTERS AIR-COOLED MODEL ONLY2. Remove the water from the icemaker water supply line 3. Drain the water tank4 Turn off the power supply and remove the front panel 5 Move the control switch to the OFF position6 Replace the front panel in its correct position 8 Close the icemaker water supply line drain valve