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Please review this manual. It should be read carefully before the icemaker is serviced
or maintenance operations are 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-900MAF (Air-cooled) .................................................................................... 5
2. KM-900MWF (Water-cooled) .............................................................................. 6
3. KM-900MRF (Remote air-cooled) ....................................................................... 7
4. KM-900MRE3 (Remote air-cooled 3 phase) ....................................................... 8
5. CONDENSING UNIT, URC-12F ......................................................................... 9
II. GENERAL INFORMATION .................................................................................... 11
1. CONSTRUCTION ............................................................................................. 11
[a] KM-900MAF (Air-cooled) ............................................................................ 11
[b] KM-900MWF (Water-cooled) ...................................................................... 12
[c] KM-900MRF (Remote air-cooled) ............................................................... 13
[d] KM-900MRF3 (Remote air-cooled 3 phase) ............................................... 14
2. CONTROLLER BOARD .................................................................................... 15
[a] SOLID-STATE CONTROL .......................................................................... 15
[b] CONTROLLER BOARD .............................................................................. 15
[c] SEQUENCE ................................................................................................ 19
[d] CONTROLS AND ADJUSTMENTS ............................................................ 22
[e] CHECKING CONTROLLER BOARD .......................................................... 25
III. TECHNICAL INFORMATION ............................................................................... 27
1. WATER CIRCUIT AND REFRIGERANT CIRCUIT ........................................... 27
[a] KM-900MAF (Air-cooled) ............................................................................ 27
[b] KM-900MWF (Water-cooled) ...................................................................... 28
[c] KM-900MRF (Remote air-cooled) ...................................................................
and KM-900MRF3 (Remote air-cooled 3 phase) ........................................ 29
2. WIRING DIAGRAMS......................................................................................... 30
[a] KM-900MAF (Air-cooled) ............................................................................ 30
[b] KM-900MWF (Water-cooled) ...................................................................... 31
[c] KM-900MRF (Remote air-cooled) ............................................................... 32
[d] KM-900MRF3 (Remote air-cooled 3 phase) ............................................... 33
3. TIMING CHART ................................................................................................ 34
4. PERFORMANCE DATA.................................................................................... 36
[a] KM-900MAF (Air-cooled) ............................................................................ 36
[b] KM-900MWF (Water-cooled) ...................................................................... 37
[c] KM-900MRF (Remote air-cooled) ............................................................... 38
[d] KM-900MRF3 (Remote air-cooled 3 phase) ............................................... 39