Hoshizaki FM-170 User manual

NO. F054-812
ISSUED: AUG. 3, 2010
REVISED: APR. 25, 2014
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 -------------------------------------------------------------------------------------- 5
[e] FM-480AKE ----------------------------------------------------------------------------------------- 7
[f] FM-480AKE-N --------------------------------------------------------------------------------------- 9
[g] FM-480AWKE--------------------------------------------------------------------------------------11
[h] FM-480AWKE-N ----------------------------------------------------------------------------------13
[i] FM-600AKE -----------------------------------------------------------------------------------------15
[j] FM-600AKE-N --------------------------------------------------------------------------------------17
[k] FM-600AWKE--------------------------------------------------------------------------------------19
[l] FM-600AWKE-N -----------------------------------------------------------------------------------21
[m] FM-750AKE----------------------------------------------------------------------------------------23
[n] FM-750AKE-N -------------------------------------------------------------------------------------25
[o] FM-1000AKE---------------------------------------------------------------------------------------27
[p] FM-1000AKE-N------------------------------------------------------------------------------------29
[q] FM-1200ALKE -------------------------------------------------------------------------------------31
[r] FM-1200ALKE-N-----------------------------------------------------------------------------------33
[s] FM-1800ALKE -------------------------------------------------------------------------------------35
[t] FM-1800ALKE-N-----------------------------------------------------------------------------------37
2. CONSTRUCTION-------------------------------------------------------------------------------------39
[a] FM-170AKE(-N) -----------------------------------------------------------------------------------39
[b] FM-300AKE(-N), FM-480AKE(-N), FM-600AKE(-N) -------------------------------------40
[c] FM-480AWKE(-N), FM-600AWKE(-N)-------------------------------------------------------41
[d] FM-750AKE(-N), FM-1000AKE(-N)-----------------------------------------------------------42
[e] FM-1200ALKE(-N)--------------------------------------------------------------------------------43
[f] FM-1800ALKE(-N)---------------------------------------------------------------------------------44
[g] BIN CONTROL SWITCH AND SPOUT -----------------------------------------------------45
II. MAINTENANCE AND CLEANING INSTRUCTIONS-----------------------------------------46
1. EXTRUDING HEAD (UPPER BEARING), HOUSING (LOWER BEARING) -----------46
2. MECHANICAL SEAL---------------------------------------------------------------------------------46
3. GEAR MOTOR-----------------------------------------------------------------------------------------47
4. CONDENSER (AIR-COOLED MODEL ONLY) ------------------------------------------------47
5. AIR FILTER (AIR-COOLED MODEL ONLY) ---------------------------------------------------47
6. CONTROL WATER VALVE ------------------------------------------------------------------------48
7. CLEANING OF WATER SYSTEM----------------------------------------------------------------49
III. TECHNICAL INFORMATION----------------------------------------------------------------------51
1. WATER CIRCUIT AND REFRIGERANT CIRCUIT-------------------------------------------51
[a] FM-170AKE(-N), FM-300AKE(-N), FM-480AKE(-N), FM-600AKE(-N) --------------51
[b] FM-750AKE(-N), FM-1000AKE(-N)-----------------------------------------------------------52
[c] FM-1200ALKE(-N) --------------------------------------------------------------------------------53
[d] FM-1800ALKE(-N)--------------------------------------------------------------------------------54

ii
[e] FM-480AWKE(-N), FM-600AWKE(-N)-------------------------------------------------------55
2. WIRING DIAGRAM -----------------------------------------------------------------------------------56
[a] WIRING DIAGRAM-------------------------------------------------------------------------------56
[b] CONTROL BOX LAYOUT ----------------------------------------------------------------------84
3. ICEMAKING MECHANISM -------------------------------------------------------------------------94
[a] EVAPORATOR (CASING)----------------------------------------------------------------------95
[b] AUGER----------------------------------------------------------------------------------------------95
[c] EXTRUDING HEAD (BEARING)--------------------------------------------------------------95
[d] HOUSING-------------------------------------------------------------------------------------------95
[e] MECHANICAL SEAL-----------------------------------------------------------------------------95
[f] COUPLING (SPLINE JOINT)-------------------------------------------------------------------95
[g] GEAR MOTOR ------------------------------------------------------------------------------------95
[h] BELT HEATER ------------------------------------------------------------------------------------96
[i] REMOVABLE FLANGE --------------------------------------------------------------------------96
[j] SEALING BOLT------------------------------------------------------------------------------------96
[k] CHUTE, BIN CONTROL SWITCH------------------------------------------------------------97
[l] BIN CONTROL SWITCH (Auxiliary code: D-0 or earlier) --------------------------------98
[m] BIN CONTROL SWITCH (Auxiliary code: D-1 or later)---------------------------------98
[n] CHUTE SWITCH--------------------------------------------------------------------------------100
[o] SPOUT, SPOUT COVER---------------------------------------------------------------------100
[p] CRANKCASE HEATER -----------------------------------------------------------------------101
4. ELECTRIC CIRCUIT -------------------------------------------------------------------------------101
[a] BASIC OPERATION ---------------------------------------------------------------------------101
[b] TIMING CHART ---------------------------------------------------------------------------------102
5. OPERATION BOARD------------------------------------------------------------------------------103
[a] OPERATION BUTTONS----------------------------------------------------------------------103
[b] SETTING MODEL NUMBER-----------------------------------------------------------------103
[c] DISPLAYING COMPRESSOR OPERATING HOURS, CYCLE TIME, MODEL
NUMBER AND SOFTWARE VERSION ---------------------------------------------------104
[d] DISPLAYING ERROR LOG------------------------------------------------------------------106
[e] RESETTING ERROR LOG-------------------------------------------------------------------107
[f] RESETTING COMPRESSOR OPERATING HOURS----------------------------------107
[g] REDUCING COMPRESSOR STARTING TIME-----------------------------------------107
6. PROTECTORS --------------------------------------------------------------------------------------108
[a] INDICATION -------------------------------------------------------------------------------------108
7. ERROR CODES-------------------------------------------------------------------------------------109
8. PERFORMANCE DATA---------------------------------------------------------------------------111
[a] FM-170AKE --------------------------------------------------------------------------------------111
[b] FM-170AKE-N -----------------------------------------------------------------------------------112
[c] FM-300AKE---------------------------------------------------------------------------------------113
[d] FM-300AKE-N -----------------------------------------------------------------------------------114
[e] FM-480AKE --------------------------------------------------------------------------------------115
[f] FM-480AKE-N ------------------------------------------------------------------------------------116
[g] FM-480AWKE------------------------------------------------------------------------------------117
[h] FM-480AWKE-N --------------------------------------------------------------------------------118
[i] FM-600AKE ---------------------------------------------------------------------------------------119
[j] FM-600AKE-N ------------------------------------------------------------------------------------120
[k] FM-600AWKE------------------------------------------------------------------------------------121
[l] FM-600AWKE-N ---------------------------------------------------------------------------------122

iii
[m] FM-750AKE--------------------------------------------------------------------------------------123
[n] FM-750AKE-N -----------------------------------------------------------------------------------124
[o] FM-1000AKE-------------------------------------------------------------------------------------125
[p] FM-1000AKE-N----------------------------------------------------------------------------------126
[q] FM-1200ALKE -----------------------------------------------------------------------------------127
[r] FM-1200ALKE-N---------------------------------------------------------------------------------127
[s] FM-1800ALKE -----------------------------------------------------------------------------------128
[t] FM-1800ALKE-N---------------------------------------------------------------------------------128
IV. SERVICE DIAGNOSIS ---------------------------------------------------------------------------129
1. NO ICE PRODUCTION----------------------------------------------------------------------------129
2. LOW ICE PRODUCTION--------------------------------------------------------------------------131
3. OTHERS-----------------------------------------------------------------------------------------------131
V. REMOVAL AND REPLACEMENT OF COMPONENTS-----------------------------------133
1. SERVICE FOR REFRIGERANT LINES -------------------------------------------------------133
[a] SERVICE INFORMATION--------------------------------------------------------------------133
[b] REFRIGERANT RECOVERY----------------------------------------------------------------134
[c] EVACUATION AND RECHARGE-----------------------------------------------------------134
2. BRAZING----------------------------------------------------------------------------------------------136
3. COMPRESSOR--------------------------------------------------------------------------------------136
4. DRIER--------------------------------------------------------------------------------------------------137
5. EXPANSION VALVE -------------------------------------------------------------------------------138
6. WATER REGULATING VALVE - WATER-COOLED MODEL ONLY ------------------139
7. EVAPORATOR ASSEMBLY ---------------------------------------------------------------------140
8. CONTROL WATER VALVE ----------------------------------------------------------------------143
9. FLUSH WATER VALVE ---------------------------------------------------------------------------143
10. CONTROLLER BOARD ---------------------------------------------------------------------------144
[a] MODIFICATION---------------------------------------------------------------------------------144
[b] REPLACEMENT --------------------------------------------------------------------------------144

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

2
[b] FM-170AKE-N

3
[c] FM-300AKE (Auxiliary code: D-0 or earlier)

4
(Auxiliary code: D-1 or later)

5
[d] FM-300AKE-N (Auxiliary code: D-0 or earlier)

6
(Auxiliary code: D-1 or later)

7
[e] FM-480AKE (Auxiliary code: D-0 or earlier)

8
(Auxiliary code: D-1 or later)

9
[f] FM-480AKE-N (Auxiliary code: D-0 or earlier)

10
(Auxiliary code: D-1 or later)

11
[g] FM-480AWKE (Auxiliary code: D-0 or earlier)

12
(Auxiliary code: D-1 or later)

13
[h] FM-480AWKE-N (Auxiliary code: D-0 or earlier)

14
(Auxiliary code: D-1 or later)

15
[i] FM-600AKE (Auxiliary code: D-0 or earlier)

16
(Auxiliary code: D-1 or later)