Page
Page
CONTENTS
PAGE
V. REMOVAL AND REPLACEMENT
1. 10-MINUTE DIAGNOSTIC PROCEDURE
2. DIAGNOSTIC CHARTS
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
High Side Thermistor Access Valve Low Side Cube Guide Water Tank
b KMD-410MWH
Water Supply Tube Spray Guide Spray Tube Cleaning Valve Access Valve
Pump Motor Float Switch Bin Control Switch
b INITIAL HARVEST CYCLE
2. SEQUENCE OF OPERATION
a ONE MINUTE FILL CYCLE
c FREEZE CYCLE
e NORMAL HARVEST CYCLE
KMD-410MAH, 410MWH
4. Drain Cycle
3. CONTROL BOARD
Control Board Auxiliary Code V1 or Earlier V2 or Later
a CONTROL BOARD LAYOUT
#4 Harvest Water Valve #5 Freeze Water Valve #1, 2, 3 Float Switch
Part Number P00013-02 P01771-02 TypeHKM2006V003
c High Temperature Safety
b FEATURES a Maximum Water Supply Period - 6 minutes
b Harvest Backup Timer and Freeze Timer
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
e Water Saver Timer S1 dip switch 7
c Drain Timer S1 dip switch 3
d Drain Frequency Control S1 dip switch 5
h Refill Counter S2 dip switch 2, 3, & 4 Program Ver. 2.5 or earlier
f Freeze Timer S1 dip switch 9
g Pump-Out Pump Motor Delay S2 dip switch
i Factory Use S2 dip switch 5 Program Ver. 2.5 or earlier
n Overfreeze Detection Control S2 dip switch 5 Program Ver. 3.1, Ver
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
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
c FLOAT SWITCH CHECK PROCEDURE
5. FLOAT SWITCH
b CLEANING
a EXPLANATION OF OPERATION
a EXPLANATION OF OPERATION
b BIN CONTROL CHECK PROCEDURE
6. BIN CONTROL
b SERVICE SWITCH
7. SWITCHES
a CONTROL SWITCH
1 DRAIN
III. TECHNICAL INFORMATION 1. WATER CIRCUIT AND REFRIGERANT CIRCUIT
2. WIRING DIAGRAM
The magnetic contactor wiring depends on the contactor model
CONTROLLER
CHART
3. TIMING
4. PERFORMANCE DATA
a KMD-410MAH
b KMD-410MWH
IV. SERVICE DIAGNOSIS 1. 10-MINUTE DIAGNOSTIC PROCEDURE
Page
2. DIAGNOSTIC CHARTS
a NO ICE PRODUCTION
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
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
5 Service Parts for R404A
V. REMOVAL AND REPLACEMENT 1. SERVICE FOR REFRIGERANT LINES
a SERVICE INFORMATION
6 Replacement Copper Tubing R404A
8 Refrigerant Leak Check
b REFRIGERANT RECOVERY
7 Evacuation, Vacuum Pump and Refrigerant Charge R404A
c EVACUATION AND RECHARGE
1 Turn off the power supply
2. BRAZING
3. COMPRESSOR
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
11 Refit the panels in their correct positions
15. FLOAT SWITCH
12 Turn on the power supply
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
c FUSE HOLDER
a CONTROL & SERVICE SWITCH
b FUSE
d CONTROL BOARD
h RUN CAPACITOR
19. SPRAY TUBE, WATER SUPPLY TUBE, SPRAY GUIDE
g STARTER
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
10 Move the service switch to the WASH position
h. Replace the float switch in its correct position
9 Pour the cleaning solution into the water tank
12 Turn on the power supply to start the washing process
2. MAINTENANCE
b SANITIZING PROCEDURE - FOLLOWING CLEANING PROCEDURE
b STORAGE BIN AND SCOOP
3. PREPARING THE ICEMAKER FOR LONG STORAGE
a STAINLESS STEEL EXTERIOR
c AIR FILTERS AIR-COOLED MODEL ONLY
2. Remove the water from the icemaker water supply line
3. Drain the water tank
6 Replace the front panel in its correct position
4 Turn off the power supply and remove the front panel
5 Move the control switch to the OFF position
8 Close the icemaker water supply line drain valve