
III. Technical Information ...................................................................................................... 25
A. Water Circuit and Refrigeration Circuit........................................................................ 25
1. KM-1601SWH, KM-1601SWH3 (water-cooled)..................................................... 25
2. KM-1601SRH, KM-1601SRH3 (remote air-cooled)............................................... 26
B. Wiring Diagrams.......................................................................................................... 27
1. KM-1601SWH (water-cooled), KM-1601SRH (remote air-cooled) ........................ 27
2. KM-1601SWH3 (water-cooled), KM-1601SRH3 (remote air-cooled) .................... 28
C. Performance Data ....................................................................................................... 29
1. KM-1601SWH (water-cooled)................................................................................ 29
2. KM-1601SWH3 (water-cooled).............................................................................. 30
3a. KM-1601SRH (remote air-cooled) (auxiliary codes: R-0; R-1; some S-1) ........... 31
3b. KM-1601SRH (remote air-cooled) (auxiliary codes: some S-1; S-2 and later) .... 32
4a. KM-1601SRH3 (remote air-cooled) (auxiliary codes: R-0; R-1; some S-1) ......... 33
4b. KM-1601SRH3 (remote air-cooled) (auxiliary codes: some S-1; S-2 and later) .. 34
IV. Service Diagnosis........................................................................................................... 35
A. 10-Minute KM Diagnostic Procedure ......................................................................... 35
B. Diagnostic Charts........................................................................................................ 36
1. No Ice Production .................................................................................................. 36
2. Evaporator is Frozen Up........................................................................................ 40
3. Low Ice Production ................................................................................................ 41
4. Abnormal Ice ......................................................................................................... 41
5. Other...................................................................................................................... 42
V. Removal and Replacement of Components .................................................................... 43
A. Service for Refrigerant Lines ...................................................................................... 43
1. Refrigerant Recovery............................................................................................. 43
2. 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 and Line Valve ..................................... 47
E. Removal and Replacement of Evaporator .................................................................. 48
F. Removal and Replacement of Water Regulating Valve - Water Cooled Model Only.... 48
G. Adjustment of Water Regulating Valve - Water-Cooled Model Only ........................... 49
H. Removal and Replacement of Headmaster (Condensing Pressure Regulator - C.P.R.)
- Remote Air-Cooled Model Only.............................................................................. 50
I. Removal and Replacement of Thermistor .................................................................... 51
J. Removal and Replacement of Fan Motor .................................................................... 52
K. Removal and Replacement of Inlet Water Valve ......................................................... 52
L. Removal and Replacement of Pump Motor................................................................. 53
VI. Cleaning and Maintenance............................................................................................. 54
A. Cleaning and Sanitizing Instructions........................................................................... 54
1. Cleaning Procedure............................................................................................... 55
2. Sanitizing Procedure - Following Cleaning Procedure .......................................... 56
B. Maintenance................................................................................................................ 57
C. Preparing the Icemaker for Long Storage................................................................... 57