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CONTENTS
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1. 10-MINUTE DIAGNOSTIC PROCEDURE
2. DIAGNOSTIC CHARTS
V. REMOVAL AND REPLACEMENT
1. SERVICE FOR REFRIGERANT LINES
I. SPECIFICATIONS 1. SPECIFICATIONS
a KMD-410MAH air-cooled
b KMD-410MWH water-cooled
II. GENERAL INFORMATION 1. CONSTRUCTION
a KMD-410MAH
b KMD-410MWH
Water Supply Tube Spray Guide Spray Tube Cleaning Valve Access Valve
High Side Thermistor Access Valve Low Side Cube Guide Water Tank
Pump Motor Float Switch Bin Control Switch
2. SEQUENCE OF OPERATION
a ONE MINUTE FILL CYCLE
b INITIAL HARVEST CYCLE
c FREEZE CYCLE
e NORMAL HARVEST CYCLE
KMD-410MAH, 410MWH
4. Drain Cycle
3. CONTROL BOARD
a CONTROL BOARD LAYOUT
#4 Harvest Water Valve #5 Freeze Water Valve #1, 2, 3 Float Switch
Control Board Auxiliary Code V1 or Earlier V2 or Later
Part Number P00013-02 P01771-02 TypeHKM2006V003
b FEATURES a Maximum Water Supply Period - 6 minutes
b Harvest Backup Timer and Freeze Timer
c High Temperature Safety
d Low Water Safety
f LED Lights and Audible Alarm Safeties
c CONTROLS AND ADJUSTMENTS a Default Dip Switch Settings
b Harvest Timer S1 dip switch 1
c Drain Timer S1 dip switch 3
d Drain Frequency Control S1 dip switch 5
e Water Saver Timer S1 dip switch 7
f Freeze Timer S1 dip switch 9
g Pump-Out Pump Motor Delay S2 dip switch
h 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 earlier
k Harvest Promotion Control S2 dip switch 2 Program Ver. 3.1, Ver
l Refill Counter S2 dip switch 3 Program Ver. 3.1, Ver
n Overfreeze Detection Control S2 dip switch 5 Program Ver. 3.1, Ver
Control Board P01771-02
o Anti-Slush Control S2 dip switch 6 Program Ver
p Anti-Slush Control S2 dip switch 6 Program Ver
d CONTROL BOARD CHECK PROCEDURE
e CONTROL BOARD REPLACEMENT
4. HARVEST CONTROL - THERMISTOR
5. FLOAT SWITCH
b CLEANING
c FLOAT SWITCH CHECK PROCEDURE
a EXPLANATION OF OPERATION
b BIN CONTROL CHECK PROCEDURE
6. BIN CONTROL
a EXPLANATION OF OPERATION
7. SWITCHES
a CONTROL SWITCH
b SERVICE SWITCH
1 DRAIN
III. TECHNICAL INFORMATION 1. WATER CIRCUIT AND REFRIGERANT CIRCUIT
2. WIRING DIAGRAM
The magnetic contactor wiring depends on the contactor model
CHART
3. TIMING
CONTROLLER
4. PERFORMANCE DATA
a KMD-410MAH
b KMD-410MWH
IV. SERVICE DIAGNOSIS 1. 10-MINUTE DIAGNOSTIC PROCEDURE
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2. DIAGNOSTIC CHARTS
a NO ICE PRODUCTION
1. See II. 3. d Control Board Check Procedure
1. See II. 3. d Control Board Check Procedure
1. See II. 4. Harvest Control Thermistor
1. See II. 3. d Control Board Check Procedure
1. See II. 3. d Control Board Check Procedure
1. See II. 3. d Control Board Check Procedure
1. See II. 3. d Control Board Check Procedure
b EVAPORATOR IS FROZEN UP
9. Adjustment of Water Regulating Valve
c LOW ICE PRODUCTION
d ABNORMAL ICE
e OTHER
c Ice Cube Guide, Water Tank, Deflector
V. REMOVAL AND REPLACEMENT 1. SERVICE FOR REFRIGERANT LINES
a SERVICE INFORMATION
5 Service Parts for R404A
6 Replacement Copper Tubing R404A
b REFRIGERANT RECOVERY
7 Evacuation, Vacuum Pump and Refrigerant Charge R404A
8 Refrigerant Leak Check
c EVACUATION AND RECHARGE
2. BRAZING
3. COMPRESSOR
1 Turn off the power supply
2 Remove the panels and water tank. See V. 14. WATER TANK
4. 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 MOTOR
11. PUMP MOTOR
13. DRAIN VALVE, CLEANING VALVE
12. WATER VALVE
14. WATER TANK
15. FLOAT SWITCH
12 Turn on the power supply
11 Refit the panels in their correct positions
1 Remove the pump motor bracket. See V. 14. WATER TANK
16. BIN CONTROL SWITCH
17. THERMISTOR
18. CONTROL BOX
Screws Control Box Cover Screw Control Box
a CONTROL & SERVICE SWITCH
b FUSE
c FUSE HOLDER
d CONTROL BOARD
19. SPRAY TUBE, WATER SUPPLY TUBE, SPRAY GUIDE
g STARTER
h RUN CAPACITOR
i START CAPACITOR
7 Remove the hose band connecting the water supply tube
VI. CLEANING AND MAINTENANCE INSTRUCTIONS 1. CLEANING
a CLEANING PROCEDURE
a. Loosen the two thumbscrews securing the pump motor bracket
b. Disconnect the discharge hose
h. Replace the float switch in its correct position
9 Pour the cleaning solution into the water tank
10 Move the service switch to the WASH position
12 Turn on the power supply to start the washing process
2. MAINTENANCE
b SANITIZING PROCEDURE - FOLLOWING CLEANING PROCEDURE
3. PREPARING THE ICEMAKER FOR LONG STORAGE
a STAINLESS STEEL EXTERIOR
b STORAGE BIN AND SCOOP
c AIR FILTERS AIR-COOLED MODEL ONLY
2. Remove the water from the icemaker water supply line
3. Drain the water tank
4 Turn off the power supply and remove the front panel
5 Move the control switch to the OFF position
6 Replace the front panel in its correct position
8 Close the icemaker water supply line drain valve