4
II. Technical Information
21
A. Water Circuit and Refrigeration Circuit
21
1. KM1601SRH350 (remote air-cooled)
21
2. KM1900SAH350 (air-cooled)
22
3. KM2100SRH350 (remote air-cooled)
23
B. Wiring Diagrams
24
1. KM1601SRH350 (remote air-cooled)
24
2. KM1900SAH350 (air-cooled)
25
3. KM2100SRH350 (remote air-cooled)
26
III. Service Diagnosis
27
A. 10-minute KM Diagnostic Procedure
27
B. Diagnostic Charts
29
1. No Ice Production
29
2. Evaporator is Frozen Up
32
3. Low Ice Production
34
4. Abnormal Ice
35
5.
Other
36
IV. Removal and Replacement of Components
37
A. Service for Refrigerant Lines
37
1. Refrigerant Recovery
37
2.
Brazing
____________________________________________
37
3. Evacuation and Recharge (R-404A)
______________________
38
B. Removal and Replacement of Compressor
39
C. Removal and Replacement of Expansion Valve
40
D. Removal and Replacement of Hot Gas Valve or Line Valve
41
E. Removal and Replacement of Evaporator
42
F. Removal and Replacement of Condenser – Air-Cooled Model
42
G. Removal and Replacement of Condenser – Remote Model
44
H. Removal and Replacement of Headmaster – Remote Model
45
I. Removal and Replacement of Thermistor
46
J. Removal and Replacement of Fan Motor
47
K. Removal and Replacement of Inlet Water Valve
47
L. Removal and Replacement of Pump Motor
48
V. Cleaning and Maintenance
49
A. Cleaning and Sanitizing Instructions
49
1. Cleaning Procedure
49
2. Sanitizing Procedure – Following Cleaning Procedure
51
B. Maintenance Instructions
52
C. Preparing the Icemaker for Long Storage
52
