Hoshizaki KM-2400SRH3 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-2400SRF3, KM-2400SRH3 (Remote air-cooled, 3 phase) ........................... 5

2. CONDENSING UNIT, URC-24F ......................................................................... 6

II. GENERAL INFORMATION ...................................................................................... 8

1. CONSTRUCTION............................................................................................... 8

2. CONTROLLER BOARD...................................................................................... 9

[a] SOLID-STATE CONTROL ............................................................................ 9

[b] CONTROLLER BOARD................................................................................ 9

[c] SEQUENCE................................................................................................ 14

[d] CONTROLS AND ADJUSTMENTS ........................................................... 17

[e] CHECKING THE CONTROLLER BOARD ................................................. 20

III. TECHNICAL INFORMATION ............................................................................... 22

1. WATER CIRCUIT AND REFRIGERANT CIRCUIT.......................................... 22

2. WIRING DIAGRAM ........................................................................................... 23

3. TIMING CHART ................................................................................................ 24

4. PERFORMANCE DATA ................................................................................... 26

IV. SERVICE DIAGNOSIS ........................................................................................ 27

1. NO ICE PRODUCTION..................................................................................... 27

2. EVAPORATOR IS FROZEN UP....................................................................... 30

3. LOW ICE PRODUCTION .................................................................................. 31

4. ABNORMAL ICE............................................................................................... 31

5. OTHERS ........................................................................................................... 31

V. REMOVAL AND REPLACEMENT OF COMPONENTS....................................... 32

1. SERVICE FOR REFRIGERANT LINES ........................................................... 32

[a] REFRIGERANT RECOVERY..................................................................... 32

[b] EVACUATION AND RECHARGE .............................................................. 32

2. BRAZING.......................................................................................................... 33

3. REMOVAL AND REPLACEMENT OF COMPRESSOR .................................. 34

4. REMOVAL AND REPLACEMENT OF DRIER................................................. 35

5. REMOVAL AND REPLACEMENT OF EXPANSION VALVE .......................... 36

6. REMOVAL AND REPLACEMENT OF HOT GAS VALVE ...................................

AND LINE VALVE............................................................................................. 37

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Hoshizaki KM-2400SRH3 User Manual Page 3