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CONTENTS
2. DIAGNOSTIC CHARTS
1. 10-MINUTE DIAGNOSTIC PROCEDURE
V. REMOVAL AND REPLACEMENT
1. SERVICE FOR REFRIGERANT LINES
a KMD-410MAH air-cooled
I. SPECIFICATIONS 1. SPECIFICATIONS
b KMD-410MWH water-cooled
a KMD-410MAH
II. GENERAL INFORMATION 1. CONSTRUCTION
Water Supply Tube Spray Guide Spray Tube Cleaning Valve Access Valve
b KMD-410MWH
High Side Thermistor Access Valve Low Side Cube Guide Water Tank
Pump Motor Float Switch Bin Control Switch
a ONE MINUTE FILL CYCLE
2. SEQUENCE OF OPERATION
b INITIAL HARVEST CYCLE
c FREEZE CYCLE
e NORMAL HARVEST CYCLE
4. Drain Cycle
KMD-410MAH, 410MWH
3. CONTROL BOARD
#4 Harvest Water Valve #5 Freeze Water Valve #1, 2, 3 Float Switch
a CONTROL BOARD LAYOUT
Control Board Auxiliary Code V1 or Earlier V2 or Later
Part Number P00013-02 P01771-02 TypeHKM2006V003
b Harvest Backup Timer and Freeze Timer
b FEATURES a Maximum Water Supply Period - 6 minutes
c High Temperature Safety
d Low Water Safety
f LED Lights and Audible Alarm Safeties
b Harvest Timer S1 dip switch 1
c CONTROLS AND ADJUSTMENTS a Default Dip Switch Settings
d Drain Frequency Control S1 dip switch 5
c Drain Timer S1 dip switch 3
e Water Saver Timer S1 dip switch 7
g Pump-Out Pump Motor Delay S2 dip switch
f Freeze Timer S1 dip switch 9
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
l Refill Counter S2 dip switch 3 Program Ver. 3.1, Ver
k Harvest Promotion Control S2 dip switch 2 Program Ver. 3.1, Ver
n Overfreeze Detection Control S2 dip switch 5 Program Ver. 3.1, Ver
Control Board P01771-02
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
b CLEANING
5. FLOAT SWITCH
c FLOAT SWITCH CHECK PROCEDURE
a EXPLANATION OF OPERATION
6. BIN CONTROL
b BIN CONTROL CHECK PROCEDURE
a EXPLANATION OF OPERATION
a CONTROL SWITCH
7. SWITCHES
b SERVICE SWITCH
1 DRAIN
III. TECHNICAL INFORMATION 1. WATER CIRCUIT AND REFRIGERANT CIRCUIT
The magnetic contactor wiring depends on the contactor model
2. WIRING DIAGRAM
3. TIMING
CHART
CONTROLLER
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. 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
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
a SERVICE INFORMATION
V. REMOVAL AND REPLACEMENT 1. SERVICE FOR REFRIGERANT LINES
5 Service Parts for R404A
6 Replacement Copper Tubing R404A
7 Evacuation, Vacuum Pump and Refrigerant Charge R404A
b REFRIGERANT RECOVERY
8 Refrigerant Leak Check
c EVACUATION AND RECHARGE
3. COMPRESSOR
2. BRAZING
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
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
12 Turn on the power supply
15. FLOAT SWITCH
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
b FUSE
a CONTROL & SERVICE SWITCH
c FUSE HOLDER
d CONTROL BOARD
g STARTER
19. SPRAY TUBE, WATER SUPPLY TUBE, SPRAY GUIDE
h RUN CAPACITOR
i START 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
9 Pour the cleaning solution into the water tank
h. Replace the float switch in its correct position
10 Move the service switch to the WASH position
12 Turn on the power supply to start the washing process
b SANITIZING PROCEDURE - FOLLOWING CLEANING PROCEDURE
2. MAINTENANCE
a STAINLESS STEEL EXTERIOR
3. PREPARING THE ICEMAKER FOR LONG STORAGE
b STORAGE BIN AND SCOOP
c AIR FILTERS AIR-COOLED MODEL ONLY
3. Drain the water tank
2. Remove the water from the icemaker water supply line
5 Move the control switch to the OFF position
4 Turn off the power supply and remove the front panel
6 Replace the front panel in its correct position
8 Close the icemaker water supply line drain valve