3
• Please review this manual. It should be read carefully before the icemaker is serviced
or maintenance operations performed. Only qualified service technicians should service
and maintain the icemaker. This manual should be made available to the technician
prior to service or maintenance.
CONTENTS
PAGE
I. SPECIFICATIONS ...................................................................................................... 5
1. KM-500MAH (Air-cooled) ..................................................................................... 5
2a. KM-500MWH (Water-cooled) Serial #L00001D - M20960C .............................. 6
2b. KM-500MWH Serial #M30961D ........................................................................ 7
3. KM-500MRH (Remote air-cooled) ........................................................................ 8
4. CONDENSER UNIT, URC-6F .............................................................................. 9
II. GENERAL INFORMATION ...................................................................................... 11
1. CONSTRUCTION............................................................................................... 11
[a] KM-500MAH (Air-cooled) ............................................................................. 11
[b] KM-500MWH (Water-cooled) ....................................................................... 12
[c] KM-500MRH (Remote air-cooled) ................................................................ 13
2. CONTROLLER BOARD ..................................................................................... 14
[a] SOLID-STATE CONTROL ........................................................................... 14
[b] CONTROLLER BOARD ............................................................................... 14
[c] SEQUENCE ................................................................................................ 18
[d] CONTROLS AND ADJUSTMENTS ............................................................. 20
[e] CHECKING CONTROLLER BOARD ........................................................... 24
3. MECHANICAL BIN CONTROL ........................................................................... 26
[a] PROXIMITY SWITCH ................................................................................... 26
[b] EXPLANATION OF OPERATION................................................................ 26
[c] TROUBLESHOOTING ................................................................................. 27
III. TECHNICAL INFORMATION .................................................................................. 28
1. WATER CIRCUIT AND REFRIGERANT CIRCUIT .............................................. 28
[a] KM-500MAH ................................................................................................ 28
[b] KM-500MWH ............................................................................................... 29
[c] KM-500MRH ................................................................................................ 30
2. WIRING DIAGRAMS .......................................................................................... 31
[a] KM-500MAH and KM-500MWH ................................................................... 31
[b] KM-500MRH ................................................................................................ 33
3. TIMING CHART .................................................................................................. 35
4. PERFORMANCE DATA .................................................................................... 37
[a] KM-500MAH ................................................................................................ 37
[b] KM-500MWHSerial #L00001D - M20960C .................................................. 38
[c] KM-500MWH Serial #M30961D .................................................................. 39
[d] KM-500MRH ................................................................................................ 40
Summary of Contents for KM-500MAH
Page 28: ...28 III TECHNICAL INFORMATION 1 WATER CIRCUIT AND REFRIGERANT CIRCUIT a KM 500MAH ...
Page 29: ...29 b KM 500MWH ...
Page 30: ...30 c KM 500MRH ...
Page 34: ...34 b KM 500MRH with auxiliary codes M 2 and after ...
Page 35: ...35 3 TIMING CHART ...
Page 36: ...36 ...