Hoshizaki KML-631MAH Service Manual page 4
Low-profile modular crescent cuber
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Also See for KML-631MAH:
- Instruction manual (32 pages) ,
- Specifications (2 pages) ,
- Service manual (109 pages)
Table of Contents
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F. Switches ...................................................................................................................... 23
1. Control Switch ....................................................................................................... 23
2. Service Switch ....................................................................................................... 24
a) DRAIN ................................................................................................................ 24
b) CIRCULATE ....................................................................................................... 24
c) WASH ................................................................................................................. 24
III. Technical Information ...................................................................................................... 25
A. Water Circuit and Refrigeration Circuit ........................................................................ 25
1. KML-631MAH (air-cooled) ..................................................................................... 25
2. KML-631MWH (water-cooled) ............................................................................... 26
3. KML-631MRH (remote air-cooled) ........................................................................ 27
B. Wiring Diagrams .......................................................................................................... 28
2. KML-631MAH and KML-631MWH (auxiliary codes: T-0 and later) ........................ 29
3. KML-631MRH (auxiliary codes: T-0 and later) ....................................................... 30
C. Performance Data ....................................................................................................... 31
1. KML-631MAH (air-cooled) ..................................................................................... 31
2. KML-631MWH (water-cooled) ............................................................................... 32
3. KML-631MRH (remote air-cooled) ........................................................................ 33
IV. Service Diagnosis ........................................................................................................... 34
A. 10-Minute Diagnostic Procedure ................................................................................ 34
B. Diagnostic Charts ........................................................................................................ 35
1. No Ice Production .................................................................................................. 35
2. Evaporator is Frozen Up ........................................................................................ 39
3. Low Ice Production ................................................................................................ 40
4. Abnormal Ice ......................................................................................................... 40
5. Other ...................................................................................................................... 40
V. Removal and Replacement of Components .................................................................... 42
A. Service for Refrigerant Lines ...................................................................................... 42
1. Refrigerant Recovery ............................................................................................. 42
2. Brazing .................................................................................................................. 42
3. Evacuation and Recharge (R-404A) ...................................................................... 43
B. Removal and Replacement of Compressor ................................................................ 44
C. Removal and Replacement of Expansion Valve ......................................................... 45
D. Removal and Replacement of Hot Gas Valve or Line Valve ....................................... 45
E. Removal and Replacement of Evaporator .................................................................. 46
G. Adjustment of Water Regulating Valve - Water-Cooled Model Only ........................... 48
- Remote Air-Cooled Model Only .............................................................................. 48
I. Removal and Replacement of Thermistor .................................................................... 49
J. Removal and Replacement of Fan Motor .................................................................... 50
K. Removal and Replacement of Water Valves ............................................................... 50
L. Removal and Replacement of Pump Motor ................................................................. 51
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