Hoshizaki FM-170 User manual

NO. F054-812
ISSUED: AUG.3,2010
REVISED: JUN.11,2012
SERVICE MANUAL
HOSHIZAKI
MODULAR ICE MAKER
MODEL
FM-170,300AKE(-N)
FM-480,600AKE(-N)
FM-480,600AWKE(-N)
FM-750,1000AKE(-N)
FM-1200,1800ALKE(-N)

i
CONTENTS PAGE
I. SPECIFICATIONS-------------------------------------------------------------------------------------- 1
1. DIMENSIONS/SPECIFICATIONS ----------------------------------------------------------------- 1
[a] FM-170AKE ----------------------------------------------------------------------------------------- 1
[b] FM-170AKE-N -------------------------------------------------------------------------------------- 2
[c] FM-300AKE------------------------------------------------------------------------------------------ 3
[d] FM-300AKE-N -------------------------------------------------------------------------------------- 4
[e] FM-480AKE ----------------------------------------------------------------------------------------- 5
[f] FM-480AKE-N --------------------------------------------------------------------------------------- 6
[g] FM-480AWKE--------------------------------------------------------------------------------------- 7
[h] FM-480AWKE-N ----------------------------------------------------------------------------------- 8
[i] FM-600AKE ------------------------------------------------------------------------------------------ 9
[j] FM-600AKE-N --------------------------------------------------------------------------------------10
[k] FM-600AWKE--------------------------------------------------------------------------------------11
[l] FM-600AWKE-N -----------------------------------------------------------------------------------12
[m] FM-750AKE----------------------------------------------------------------------------------------13
[n] FM-750AKE-N -------------------------------------------------------------------------------------14
[o] FM-1000AKE---------------------------------------------------------------------------------------15
[p] FM-1000AKE-N------------------------------------------------------------------------------------16
[q] FM-1200ALKE -------------------------------------------------------------------------------------17
[r] FM-1200ALKE-N-----------------------------------------------------------------------------------18
[s] FM-1800ALKE -------------------------------------------------------------------------------------19
[t] FM-1800ALKE-N-----------------------------------------------------------------------------------20
2. CONSTRUCTION-------------------------------------------------------------------------------------21
[a] FM-170AKE(-N) -----------------------------------------------------------------------------------21
[b] FM-300AKE(-N), FM-480AKE(-N), FM-600AKE(-N) -------------------------------------22
[c] FM-480AWKE(-N), FM-600AWKE(-N)-------------------------------------------------------23
[d] FM-750AKE(-N), FM-1000AKE(-N)-----------------------------------------------------------24
[e] FM-1200ALKE(-N)--------------------------------------------------------------------------------25
[f] FM-1800ALKE(-N)---------------------------------------------------------------------------------26
II. MAINTENANCE AND CLEANING INSTRUCTIONS-----------------------------------------27
1. EXTRUDING HEAD (UPPER BEARING), HOUSING (LOWER BEARING) -----------27
2. MECHANICAL SEAL---------------------------------------------------------------------------------27
3. GEAR MOTOR-----------------------------------------------------------------------------------------28
4. CONDENSER (AIR-COOLED MODEL ONLY) ------------------------------------------------28
5. AIR FILTER (AIR-COOLED MODEL ONLY) ---------------------------------------------------28
6. CONTROL WATER VALVE ------------------------------------------------------------------------29
7. CLEANING OF WATER SYSTEM----------------------------------------------------------------30
III. TECHNICAL INFORMATION----------------------------------------------------------------------32
1. WATER CIRCUIT AND REFRIGERANT CIRCUIT-------------------------------------------32
[a] FM-170AKE(-N), FM-300AKE(-N), FM-480AKE(-N), FM-600AKE(-N) --------------32
[b] FM-750AKE(-N), FM-1000AKE(-N)-----------------------------------------------------------33
[c] FM-1200ALKE(-N) --------------------------------------------------------------------------------34
[d] FM-1800ALKE(-N)--------------------------------------------------------------------------------35
[e] FM-480AWKE(-N), FM-600AWKE(-N)-------------------------------------------------------36
2. WIRING DIAGRAM -----------------------------------------------------------------------------------37

ii
[a] WIRING DIAGRAM-------------------------------------------------------------------------------37
[b] CONTROL BOX LAYOUT ----------------------------------------------------------------------55
3. ICEMAKING MECHANISM -------------------------------------------------------------------------65
[a] EVAPORATOR (CASING)----------------------------------------------------------------------66
[b] AUGER----------------------------------------------------------------------------------------------66
[c] EXTRUDING HEAD (BEARING)--------------------------------------------------------------66
[d] HOUSING-------------------------------------------------------------------------------------------66
[e] MECHANICAL SEAL-----------------------------------------------------------------------------66
[f] COUPLING (SPLINE JOINT)-------------------------------------------------------------------66
[g] GEAR MOTOR ------------------------------------------------------------------------------------66
[h] BELT HEATER ------------------------------------------------------------------------------------67
[i] REMOVABLE FLANGE --------------------------------------------------------------------------67
[j] SEALING BOLT------------------------------------------------------------------------------------67
[k] CHUTE, BIN CONTROL SWITCH------------------------------------------------------------67
[l] SPOUT, SPOUT COVER------------------------------------------------------------------------68
[m] BIN CONTROL SWITCH-----------------------------------------------------------------------69
[n] CHUTE SWITCH----------------------------------------------------------------------------------69
[o] CRANKCASE HEATER -------------------------------------------------------------------------70
4. ELECTRIC CIRCUIT ---------------------------------------------------------------------------------71
[a] BASIC OPERATION -----------------------------------------------------------------------------71
[b] TIMING CHART -----------------------------------------------------------------------------------72
5. OPERATION BOARD--------------------------------------------------------------------------------73
[a] OPERATION BUTTONS------------------------------------------------------------------------73
[b] SETTING MODEL NUMBER-------------------------------------------------------------------73
[c] DISPLAYING COMPRESSOR OPERATING HOURS, CYCLE TIME, MODEL
NUMBER AND SOFTWARE VERSION -----------------------------------------------------74
[d] DISPLAYING ERROR LOG--------------------------------------------------------------------76
[e] RESETTING ERROR LOG---------------------------------------------------------------------77
[f] RESETTING COMPRESSOR OPERATING HOURS------------------------------------77
[g] REDUCING COMPRESSOR STARTING TIME-------------------------------------------77
6. PROTECTORS ----------------------------------------------------------------------------------------78
[a] INDICATION ---------------------------------------------------------------------------------------78
7. ERROR CODES---------------------------------------------------------------------------------------79
8. PERFORMANCE DATA-----------------------------------------------------------------------------81
[a] FM-170AKE ----------------------------------------------------------------------------------------81
[b] FM-170AKE-N -------------------------------------------------------------------------------------82
[c] FM-300AKE-----------------------------------------------------------------------------------------83
[d] FM-300AKE-N -------------------------------------------------------------------------------------84
[e] FM-480AKE ----------------------------------------------------------------------------------------85
[f] FM-480AKE-N --------------------------------------------------------------------------------------86
[g] FM-480AWKE--------------------------------------------------------------------------------------87
[h] FM-480AWKE-N ----------------------------------------------------------------------------------88
[i] FM-600AKE -----------------------------------------------------------------------------------------89
[j] FM-600AKE-N --------------------------------------------------------------------------------------90
[k] FM-600AWKE--------------------------------------------------------------------------------------91
[l] FM-600AWKE-N -----------------------------------------------------------------------------------92
[m] FM-750AKE----------------------------------------------------------------------------------------93
[n] FM-750AKE-N -------------------------------------------------------------------------------------94

iii
[o] FM-1000AKE---------------------------------------------------------------------------------------95
[p] FM-1000AKE-N------------------------------------------------------------------------------------96
[q] FM-1200ALKE -------------------------------------------------------------------------------------97
[r] FM-1200ALKE-N-----------------------------------------------------------------------------------97
[s] FM-1800ALKE -------------------------------------------------------------------------------------98
[t] FM-1800ALKE-N-----------------------------------------------------------------------------------98
IV. SERVICE DIAGNOSIS -----------------------------------------------------------------------------99
1. NO ICE PRODUCTION------------------------------------------------------------------------------99
2. LOW ICE PRODUCTION--------------------------------------------------------------------------101
3. OTHERS-----------------------------------------------------------------------------------------------101
V. REMOVAL AND REPLACEMENT OF COMPONENTS-----------------------------------103
1. SERVICE FOR REFRIGERANT LINES -------------------------------------------------------103
[a] SERVICE INFORMATION--------------------------------------------------------------------103
[b] REFRIGERANT RECOVERY----------------------------------------------------------------104
[c] EVACUATION AND RECHARGE-----------------------------------------------------------104
2. BRAZING----------------------------------------------------------------------------------------------106
3. COMPRESSOR--------------------------------------------------------------------------------------106
4. DRIER--------------------------------------------------------------------------------------------------107
5. EXPANSION VALVE -------------------------------------------------------------------------------108
6. WATER REGULATING VALVE - WATER-COOLED MODEL ONLY ------------------109
7. EVAPORATOR ASSEMBLY ---------------------------------------------------------------------110
8. CONTROL WATER VALVE ----------------------------------------------------------------------113
9. FLUSH WATER VALVE ---------------------------------------------------------------------------113
10. CONTROLLER BOARD ---------------------------------------------------------------------------114
[a] MODIFICATION---------------------------------------------------------------------------------114
[b] REPLACEMENT --------------------------------------------------------------------------------114

1
I. SPECIFICATIONS
1. DIMENSIONS/SPECIFICATIONS
[a] FM-170AKE

2
[b] FM-170AKE-N

3
[c] FM-300AKE

4
[d] FM-300AKE-N

5
[e] FM-480AKE

6
[f] FM-480AKE-N

7
[g] FM-480AWKE

8
[h] FM-480AWKE-N

9
[i] FM-600AKE

10
[j] FM-600AKE-N

11
[k] FM-600AWKE

12
[l] FM-600AWKE-N

13
[m] FM-750AKE

14
[n] FM-750AKE-N

15
[o] FM-1000AKE

16
[p] FM-1000AKE-N