Service Manual
Table Of Contents
- Important Safety Information
- I. Construction and Water/Refrigeration Circuit Diagram
- II. Sequence of Operation and Service Diagnosis
- III. Controls and Adjustments
- A. Control Board Layout
- B. LED Lights and Audible Alarm Safeties
- C. Settings and Adjustments
- 1. Default Dip Switch Settings
- 2. Harvest Timer (S4 dip switch 1 & 2)
- 3. Pump-Out Timer (S4 dip switch 3 & 4)
- 4. Pump-Out Frequency Control (S4 dip switch 5 & 6)
- 5. Harvest Pump Timer Operation (S4 dip switch 7)
- 6. Factory Use (S4 dip switch 8)
- 7. Freeze Timer (S4 dip switch 9 & 10)
- 8. Float Switch Selector (S5 dip switch 1)
- 9. Refill Counter (S5 dip switch 2, 3, and 5), Program Selector (4)
- D. Switches
- IV. Refrigeration Circuit and Component Service Information
- V. Maintenance
- VI. Preparing the Appliance for Periods of Non-Use
- VII. Disposal
- VIII. Technical Information
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7. Freeze Timer (S4 dip switch 9 & 10) ....................................................................... 47
8. Float Switch Selector (S5 dip switch 1) ................................................................. 47
9. Rell Counter (S5 dip switch 2, 3, and 5), Program Selector (4) ............................ 47
D. Switches ...................................................................................................................... 48
1. Control Switch ........................................................................................................ 48
2. Service Switch ....................................................................................................... 48
a) DRAIN .............................................................................................................. 48
b) CIRCULATE ..................................................................................................... 48
c) WASH ............................................................................................................... 48
IV. Refrigeration Circuit and Component Service Information.............................................. 49
A. Refrigeration Circuit Service Information .................................................................... 49
B. Component Service Information .................................................................................. 52
C. Water Regulating Valve Adjustment (water-cooled model) .......................................... 52
V. Maintenance .................................................................................................................... 53
VI. Preparing the Appliance for Periods of Non-Use ............................................................ 54
VII. Disposal ......................................................................................................................... 56
VIII. Technical Information .................................................................................................... 57
A. Specication and Performance Data Sheets ............................................................... 57
1. KMD-460MAH ........................................................................................................ 57
2. KMD-460MWH ...................................................................................................... 58
3. KMD-530MAH ....................................................................................................... 59
4. KMD-530MWH ...................................................................................................... 60
5. KMD-530MRH ....................................................................................................... 61
6. KML-250MAH ........................................................................................................ 62
7. KML-250MWH ........................................................................................................ 63
8. KML-351MAH ........................................................................................................ 64
9. KML-351MWH ....................................................................................................... 65
10. KML-451MAH ........................................................................................................ 66
11. KML-451MWH ........................................................................................................ 67
12. KML-631MAH ........................................................................................................ 68
13. KML-631MWH ....................................................................................................... 69
14. KML-631MRH ........................................................................................................ 70
B. Wiring Diagrams ......................................................................................................... 71
1. Operation with Thermostatic Bin Control and without Harvest Pump Timer .......... 71
a) KML-250M_H, KML-351MWH, KML-451M_H ................................................. 71
b) KML-631MAH, KML-631MWH .......................................................................... 72
c) KML-631MRH ................................................................................................... 73
2. Harvest Pump Timer Operation with Thermostatic or Mechanical Bin Control ......74
a) KML-351MAH, KMD-460M_H, KMD-530M_H ...................................................74
b) KML-631MAH, KML-631MWH .......................................................................... 75
c) KML-631MRH - C-1 to D-0 (No Crankcase Heater Relay) ................................ 76
d) KML-631MRH - D-1 and Later (Crankcase Heater Relay) ................................ 77