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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-2000SWF3, KM-2000SWH3 (Water-cooled, 3 phase) .................................. 5
2. KM-2000SRF3, KM-2000SRH3 (Remote air-cooled, 3 phase) ........................... 6
3. CONDENSING UNIT, URC-20F ......................................................................... 7
II. GENERAL INFORMATION ...................................................................................... 9
1. CONSTRUCTION ............................................................................................... 9
[a] KM-2000SWF3, KM-2000SWH3 ................................................................... 9
[b] KM-2000SRF3, KM-2000SRH3 .................................................................. 10
2. CONTROLLER BOARD.................................................................................... 11
[a] SOLID-STATE CONTROL .......................................................................... 11
[b] CONTROLLER BOARD.............................................................................. 11
[c] SEQUENCE ................................................................................................ 16
[d] CONTROLS AND ADJUSTMENTS ........................................................... 19
[e] CHECKING THE CONTROLLER BOARD ................................................. 22
III. TECHNICAL INFORMATION ............................................................................... 24
1. WATER CIRCUIT AND REFRIGERANT CIRCUIT .......................................... 24
[a] KM-2000SWF3, KM-2000SWH3 ................................................................. 24
[b] KM-2000SRF3, KM-2000SRH3 .................................................................. 25
2. WIRING DIAGRAMS ......................................................................................... 26
[a] KM-2000SWF3, KM-2000SWH3 ................................................................. 26
[b] KM-2000SRF3, KM-2000SRH3 .................................................................. 26
3. TIMING CHART ................................................................................................ 27
4. PERFORMANCE DATA ................................................................................... 29
[a] KM-2000SWF3, KM-2000SWH3 ................................................................. 29
[b] KM-2000SRF3, KM-2000SRH3 .................................................................. 30
IV. SERVICE DIAGNOSIS ........................................................................................ 31
1. NO ICE PRODUCTION..................................................................................... 31
2. EVAPORATOR IS FROZEN UP ....................................................................... 34
3. LOW ICE PRODUCTION .................................................................................. 35
4. ABNORMAL ICE ............................................................................................... 35
5. OTHERS ........................................................................................................... 35
V. REMOVAL AND REPLACEMENT OF COMPONENTS....................................... 36
1. SERVICE FOR REFRIGERANT LINES ........................................................... 36
[a] REFRIGERANT RECOVERY..................................................................... 36
[b] EVACUATION AND RECHARGE .............................................................. 36