Hoshizaki KM-2000SRF3 User Manual download pdf (Page 3)

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

1 2 3 4 5 6 7 8 ... 55 56

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Hoshizaki KM-2000SRF3 User Manual Page 3