Hoshizaki DCM-120KE User Manual

NO. L009-872

ISSUED: JUN.1,2012

REVISED:

HOSHIZAKI

CUBELET ICE DISPENSER

MODEL

DCM-60KE DCM-60KE-P DCM-120KE DCM-120KE-P

SERVICE MANUAL

CONTENTS

I. SPECIFICATIONS-------------------------------------------------------------------------------------- 1

1. DIMENSIONS/SPECIFICATIONS ----------------------------------------------------------------- 1 [a] DCM-60KE (L013: Continental) ---------------------------------------------------------------- 1 [b] DCM-60KE (L013-C101: UK) ------------------------------------------------------------------- 2 [c] DCM-60KE (L013-C201: Oceania) ------------------------------------------------------------ 3 [d] DCM-60KE (L013-C301: China)---------------------------------------------------------------- 4 [e] DCM-60KE (L013-C130: Middle East)-------------------------------------------------------- 5 [f] DCM-60KE-P (L014: Continental) -------------------------------------------------------------- 6 [g] DCM-60KE-P (L014-C101: UK) ---------------------------------------------------------------- 7 [h] DCM-60KE-P (L014-C201: Oceania) --------------------------------------------------------- 8 [i] DCM-60KE-P (L014-C301: China)-------------------------------------------------------------- 9 [j] DCM-60KE-P (L014-C130: Middle East)-----------------------------------------------------10 [k] DCM-120KE (L009: Continental)--------------------------------------------------------------11 [l] DCM-120KE (L009-C101: UK)------------------------------------------------------------------12 [m] DCM-120KE (L009-C201: Oceania)---------------------------------------------------------13 [n] DCM-120KE (L009-C301: China)-------------------------------------------------------------14 [o] DCM-120KE-P (L010: Continental)-----------------------------------------------------------15 [p] DCM-120KE-P (L010-C101: UK)--------------------------------------------------------------16 [q] DCM-120KE-P (L010-C201: Oceania)-------------------------------------------------------17 [r] DCM-120KE-P (L010-C301: China)-----------------------------------------------------------18

2. CONSTRUCTION-------------------------------------------------------------------------------------19 II. MAINTENANCE AND CLEANING INSTRUCTIONS-----------------------------------------21

1. EXTRUDING HEAD (UPPER BEARING), HOUSING (LOWER BEARING) -----------21

2. MECHANICAL SEAL---------------------------------------------------------------------------------21

3. GEAR MOTOR-----------------------------------------------------------------------------------------22

4. CONDENSER------------------------------------------------------------------------------------------22

5. AIR FILTER---------------------------------------------------------------------------------------------22

6. CONTROL WATER VALVE AND WATER DISPENSE VALVE ---------------------------23

7. CLEANING OF WATER SYSTEM----------------------------------------------------------------24 III. TECHNICAL INFORMATION----------------------------------------------------------------------27

1. WATER CIRCUIT AND REFRIGERANT CIRCUIT-------------------------------------------27

2. WIRING DIAGRAM -----------------------------------------------------------------------------------28

3. ICEMAKING MECHANISM -------------------------------------------------------------------------29 [a] EVAPORATOR (CASING)----------------------------------------------------------------------30 [b] AUGER----------------------------------------------------------------------------------------------30 [c] EXTRUDING HEAD (BEARING)--------------------------------------------------------------30 [d] HOUSING-------------------------------------------------------------------------------------------30 [e] MECHANICAL SEAL-----------------------------------------------------------------------------30 [f] COUPLING (SPLINE JOINT)-------------------------------------------------------------------30 [g] GEAR MOTOR ------------------------------------------------------------------------------------30 [h] SEALING BOLT-----------------------------------------------------------------------------------31

4. ELECTRIC CIRCUIT ---------------------------------------------------------------------------------32 [a] BASIC OPERATION -----------------------------------------------------------------------------32 [b] TIMING CHART -----------------------------------------------------------------------------------33

PAGE

5. OPERATION BOARD--------------------------------------------------------------------------------34 [a] DISPLAYING COMPRESSOR OPERATING HOURS ---------------------------------- 34 [b] DISPLAYING CYCLE TIME--------------------------------------------------------------------34 [c] DISPLAYING MODEL NUMBER--------------------------------------------------------------35 [d] SETTING MODEL NUMBER-------------------------------------------------------------------35 [e] DISPLAYING CONTROLLER BOARD SOFTWARE VERSION----------------------36 [f] DISPLAYING OPERATION BOARD SOFTWARE VERSION--------------------------36 [g] DISPLAYING ERROR LOG AND ONGOING ERROR----------------------------------36 [h] RESETTING ERROR LOG---------------------------------------------------------------------37 [i] REDUCING COMPRESSOR STARTING TIME-------------------------------------------- 37 [j] RESETTING COMPRESSOR OPERATING HOURS ------------------------------------ 37

6. ERROR CODES---------------------------------------------------------------------------------------38

7. PERFORMANCE DATA-----------------------------------------------------------------------------41 [a] DCM-60KE(-P): 50Hz----------------------------------------------------------------------------41 [b] DCM-60KE(-P): 60Hz----------------------------------------------------------------------------42 [c] DCM-120KE(-P): 50Hz---------------------------------------------------------------------------43 [d] DCM-120KE(-P): 60Hz --------------------------------------------------------------------------44

IV. SERVICE DIAGNOSIS ----------------------------------------------------------------------------- 45

1. NO ICE PRODUCTION------------------------------------------------------------------------------45

2. LOW ICE PRODUCTION----------------------------------------------------------------------------47

3. FAULTY DISPENSER--------------------------------------------------------------------------------47

4. OTHERS-------------------------------------------------------------------------------------------------48 V. REMOVAL AND REPLACEMENT----------------------------------------------------------------49

1. FRONT COVER ---------------------------------------------------------------------------------------49 [a] REMOVAL------------------------------------------------------------------------------------------49 [b] REPLACEMENT ----------------------------------------------------------------------------------51

2. SERVICE FOR REFRIGERANT LINES ---------------------------------------------------------52 [a] SERVICE INFORMATION----------------------------------------------------------------------52 [b] REFRIGERANT RECOVERY------------------------------------------------------------------53 [c] EVACUATION AND RECHARGE-------------------------------------------------------------53

3. BRAZING------------------------------------------------------------------------------------------------54

4. COMPRESSOR----------------------------------------------------------------------------------------54

5. DRIER----------------------------------------------------------------------------------------------------55

6. EXPANSION VALVE ---------------------------------------------------------------------------------56

7. FAN MOTOR -------------------------------------------------------------------------------------------57

8. EVAPORATOR ASSEMBLY -----------------------------------------------------------------------57

9. CONTROL WATER VALVE AND WATER DISPENSE VALVE ---------------------------59

10. FLUSH WATER VALVE -----------------------------------------------------------------------------60

11. CONTROLLER BOARD -----------------------------------------------------------------------------61 [a] MODIFICATION-----------------------------------------------------------------------------------61 [b] REPLACEMENT ----------------------------------------------------------------------------------61

12. BIN CONTROL SWITCH ASSEMBLY -----------------------------------------------------------62

13. STORAGE BIN ASSEMBLY------------------------------------------------------------------------63

14. AGITATOR AND DRIP RING-----------------------------------------------------------------------63