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CONTENTS
1. SERVICE FOR REFRIGERANT LINES
1. 10-MINUTE DIAGNOSTIC PROCEDURE
2. DIAGNOSTIC CHARTS
V. REMOVAL AND REPLACEMENT
a KMD-410MAH air-cooled
I. SPECIFICATIONS 1. SPECIFICATIONS
b KMD-410MWH water-cooled
a KMD-410MAH
II. GENERAL INFORMATION 1. CONSTRUCTION
Pump Motor Float Switch Bin Control Switch
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
c FREEZE CYCLE
2. SEQUENCE OF OPERATION
a ONE MINUTE FILL CYCLE
b INITIAL HARVEST CYCLE
e NORMAL HARVEST CYCLE
4. Drain Cycle
KMD-410MAH, 410MWH
3. CONTROL BOARD
Part Number P00013-02 P01771-02 TypeHKM2006V003
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
d Low Water Safety
b FEATURES a Maximum Water Supply Period - 6 minutes
b Harvest Backup Timer and Freeze Timer
c High Temperature Safety
f LED Lights and Audible Alarm Safeties
b Harvest Timer S1 dip switch 1
c CONTROLS AND ADJUSTMENTS a Default Dip Switch Settings
e Water Saver Timer S1 dip switch 7
c Drain Timer S1 dip switch 3
d Drain Frequency Control S1 dip switch 5
i Factory Use S2 dip switch 5 Program Ver. 2.5 or earlier
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
Control Board P01771-02
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
p Anti-Slush Control S2 dip switch 6 Program Ver
o Anti-Slush Control S2 dip switch 6 Program Ver
e CONTROL BOARD REPLACEMENT
d CONTROL BOARD CHECK PROCEDURE
4. HARVEST CONTROL - THERMISTOR
a EXPLANATION OF OPERATION
5. FLOAT SWITCH
b CLEANING
c FLOAT SWITCH CHECK PROCEDURE
a EXPLANATION OF OPERATION
b BIN CONTROL CHECK PROCEDURE
6. BIN CONTROL
1 DRAIN
7. SWITCHES
a CONTROL SWITCH
b SERVICE SWITCH
III. TECHNICAL INFORMATION 1. WATER CIRCUIT AND REFRIGERANT CIRCUIT
The magnetic contactor wiring depends on the contactor model
2. WIRING DIAGRAM
CONTROLLER
CHART
3. TIMING
a KMD-410MAH
4. PERFORMANCE DATA
b KMD-410MWH
IV. SERVICE DIAGNOSIS 1. 10-MINUTE DIAGNOSTIC PROCEDURE
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a NO ICE PRODUCTION
2. DIAGNOSTIC CHARTS
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
1. See II. 3. d Control Board Check Procedure
1. See II. 3. d Control Board Check Procedure
9. Adjustment of Water Regulating Valve
b EVAPORATOR IS FROZEN UP
d ABNORMAL ICE
c LOW ICE PRODUCTION
c Ice Cube Guide, Water Tank, Deflector
e OTHER
6 Replacement Copper Tubing R404A
V. REMOVAL AND REPLACEMENT 1. SERVICE FOR REFRIGERANT LINES
a SERVICE INFORMATION
5 Service Parts for R404A
c EVACUATION AND RECHARGE
b REFRIGERANT RECOVERY
7 Evacuation, Vacuum Pump and Refrigerant Charge R404A
8 Refrigerant Leak Check
2 Remove the panels and water tank. See V. 14. WATER TANK
2. BRAZING
3. COMPRESSOR
1 Turn off the power supply
4. DRIER
5. HOT GAS VALVE
6. EXPANSION VALVE
7. EVAPORATOR
8. WATER REGULATING VALVE - WATER-COOLED MODEL ONLY
10. FAN MOTOR
9. ADJUSTMENT OF WATER REGULATING VALVE WATER-COOLED MODEL ONLY
11. PUMP MOTOR
12. WATER VALVE
13. DRAIN VALVE, CLEANING VALVE
14. WATER TANK
1 Remove the pump motor bracket. See V. 14. WATER TANK
15. FLOAT SWITCH
12 Turn on the power supply
11 Refit the panels in their correct positions
16. BIN CONTROL SWITCH
17. THERMISTOR
18. CONTROL BOX
Screws Control Box Cover Screw Control Box
d CONTROL BOARD
a CONTROL & SERVICE SWITCH
b FUSE
c FUSE HOLDER
i START CAPACITOR
19. SPRAY TUBE, WATER SUPPLY TUBE, SPRAY GUIDE
g STARTER
h RUN CAPACITOR
7 Remove the hose band connecting the water supply tube
a CLEANING PROCEDURE
VI. CLEANING AND MAINTENANCE INSTRUCTIONS 1. CLEANING
b. Disconnect the discharge hose
a. Loosen the two thumbscrews securing the pump motor bracket
12 Turn on the power supply to start the washing process
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
b SANITIZING PROCEDURE - FOLLOWING CLEANING PROCEDURE
2. MAINTENANCE
c AIR FILTERS AIR-COOLED MODEL ONLY
3. PREPARING THE ICEMAKER FOR LONG STORAGE
a STAINLESS STEEL EXTERIOR
b STORAGE BIN AND SCOOP
3. Drain the water tank
2. Remove the water from the icemaker water supply line
8 Close the icemaker water supply line drain valve
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