4
E. Harvest Control – Thermistor ...................................................................................... 4
. Thermistor Check .................................................................................................. 4
F. Float Switch ................................................................................................................ 5
. Float Switch Check ................................................................................................ 5
. Float Switch Cleaning ............................................................................................ 6
G. Bin Control .................................................................................................................. 6
III. Technical Information ..................................................................................................... 7
A. Water Circuit and Refrigeration Circuit ....................................................................... 7
B. Wiring Diagram ........................................................................................................... 8
. KM-30MAH-E (self-contained air-cooled) ............................................................ 8
. KM-55MAH-E (self-contained air-cooled) ............................................................ 9
3. KM-650MAH-E (self-contained air-cooled) ............................................................ 30
C. Performance Data ...................................................................................................... 3
. KM-30MAH-E (self-contained air-cooled) ............................................................ 3
. KM-55MAH-E (self-contained air-cooled) ............................................................ 3
3. KM-650MAH-E (self-contained air-cooled) ............................................................ 33
IV. Service Diagnosis .......................................................................................................... 34
A. 0-Minute Diagnostic Procedure ............................................................................... 34
B. Diagnostic Charts ....................................................................................................... 36
. No Ice Production .................................................................................................. 36
. Evaporator is Frozen Up ....................................................................................... 39
3. Low Ice Production ................................................................................................ 40
4. Abnormal Ice ......................................................................................................... 4
5. Other ..................................................................................................................... 4
V. Removal and Replacement of Components ................................................................... 43
A. Service for Refrigerant Lines ...................................................................................... 43
. Refrigerant Recovery ............................................................................................ 43
. Brazing .................................................................................................................. 43
3. Evacuation and Recharge (R-404A) ..................................................................... 44
B. Removal and Replacement of Compressor ................................................................ 45
C. Removal and Replacement of Expansion Valve......................................................... 46
D. Removal and Replacement of Hot Gas Valve or Liquid Line Valve............................ 47
E. Removal and Replacement of Evaporator .................................................................. 48
F. Removal and Replacement of Condenser .................................................................. 49
G. Removal and Replacement of Thermistor .................................................................. 50
H. Removal and Replacement of Fan Motor ................................................................... 5
I. Removal and Replacement of Inlet Water Valve.......................................................... 5
J. Removal and Replacement of Pump Motor................................................................. 5
VI. Cleaning and Maintenance ........................................................................................... 53
A. Cleaning and Sanitizing Instructions ........................................................................... 53
. Cleaning Procedure ............................................................................................... 53
. Sanitizing Procedure - Following Cleaning Procedure .......................................... 54
B. Maintenance ............................................................................................................... 56
C. Preparing the Icemaker for Long Storage .................................................................. 56