Hoshizaki IM-21CNE User manual

NO. E1EC-848
ISSUED: NOV. 4, 2011
REVISED: JUN. 27, 2014
HOSHIZAKI
SELF-CONTAINED CUBER
MODEL IM-21CNE
IM-30CNE/CWNE
IM-45CNE/NE/WNE
IM-65NE/WNE
IM-100CNE/NE/WNE
IM-130NE/WNE
IM-240NE/WNE
SERVICE MANUAL

i
 CONTENTS PAGE
I. SPECIFICATIONS -------------------------------------------------------------------------------------1
1. DIMENSIONS/SPECIFICATIONS --------------------------------------------------------------1
[a] IM-21CNE ----------------------------------------------------------------------------------------1
[b] IM-30CNE ----------------------------------------------------------------------------------------2
[c] IM-30CWNE -------------------------------------------------------------------------------------3
[d] IM-45CNE ----------------------------------------------------------------------------------------4
[e] IM-45NE ------------------------------------------------------------------------------------------5
[f]IM-45WNE -----------------------------------------------------------------------------------------6
[g] IM-65NE ------------------------------------------------------------------------------------------7
[h] IM-65WNE ---------------------------------------------------------------------------------------8
[i] IM-100CNE ---------------------------------------------------------------------------------------9
[j] IM-100NE --------------------------------------------------------------------------------------- 10
[k] IM-100WNE ------------------------------------------------------------------------------------ 11
[l] IM-130NE --------------------------------------------------------------------------------------- 12
[m] IM-130WNE ----------------------------------------------------------------------------------- 13
[n] IM-240NE [Copeland compressor: auxiliary code B0 and earlier] --------------- 14
[o] IM-240NE [Danfoss compressor: auxiliary code B1 and later] ------------------- 15
[p] IM-240WNE [Copeland compressor: auxiliary code B0 and earlier] ------------ 16
[q] IM-240WNE [Danfoss compressor: auxiliary code B1 and later]----------------- 17
II. GENERAL INFORMATION ----------------------------------------------------------------------- 18
1. CONSTRUCTION -------------------------------------------------------------------------------- 18
[a] IM-21CNE, IM-30CNE ---------------------------------------------------------------------- 18
[b] IM-30CWNE ----------------------------------------------------------------------------------- 19
[c] IM-45CNE -------------------------------------------------------------------------------------- 20
[d] IM-45NE, IM-65NE --------------------------------------------------------------------------- 21
[e] IM-45WNE, IM-65WNE --------------------------------------------------------------------- 22
[f] IM-100CNE ------------------------------------------------------------------------------------- 23
[g] IM-100NE, IM-130NE ----------------------------------------------------------------------- 24
[h] IM-100WNE, IM-130WNE ------------------------------------------------------------------ 25
[i] IM-240NE --------------------------------------------------------------------------------------- 26
[j] IM-240WNE ------------------------------------------------------------------------------------- 27
2. CONTROLLER BOARD ------------------------------------------------------------------------ 28
[a] CONTROLLER BOARD LAYOUT ------------------------------------------------------- 29
[b] INPUT/OUTPUT LAYOUT ----------------------------------------------------------------- 30
[c] BEFORE CHECKING CONTROLLER BOARD -------------------------------------- 31
III. OPERATING INSTRUCTIONS ------------------------------------------------------------------ 32
1. START UP ------------------------------------------------------------------------------------------ 33
2. PREPARING THE ICEMAKER FOR LONG STORAGE -------------------------------- 33
[a] IM-21, 30, 45, 65 ----------------------------------------------------------------------------- 33
[b] IM-100, 130, 240 ----------------------------------------------------------------------------- 34
3. BIN CONTROL ------------------------------------------------------------------------------------ 35
[a] BIN CONTROL SWITCH ASSEMBLY -------------------------------------------------- 35

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[b] REMOVAL -------------------------------------------------------------------------------------- 36
[c] REASSEMBLING ---------------------------------------------------------------------------- 36
IV. MAINTENANCE INSTRUCTIONS ------------------------------------------------------------- 37
1. PERIODICAL CLEANING ---------------------------------------------------------------------- 37
2. WATER VALVE ------------------------------------------------------------------------------------ 39
3. WATER-COOLED CONDENSER ------------------------------------------------------------ 40
4. ICEMAKING WATER SYSTEM --------------------------------------------------------------- 41
V. TECHNICAL INFORMATION --------------------------------------------------------------------- 44
1. WATER CIRCUIT AND REFRIGERANT CIRCUIT --------------------------------------- 44
[a] IM-21CNE, IM-30CNE, IM-45CNE, IM-45NE, IM-65NE ---------------------------- 44
[b] IM-100CNE, IM-100NE, IM-130NE, IM-240NE --------------------------------------- 45
[c] IM-65WNE ------------------------------------------------------------------------------------- 46
[d] IM-30CWNE, IM-45WNE, IM-100WNE, IM-130WNE, IM-240WNE ------------- 47
2. WIRING DIAGRAM ------------------------------------------------------------------------------ 48
[a] IM-21CNE, IM-30CNE, IM-30CWNE ---------------------------------------------------- 48
[b] IM-45CNE, IM-45NE, IM-45WNE, IM-65NE, IM-65WNE -------------------------- 49
[c] IM-100CNE, IM-100NE, IM-100WNE, IM-130NE, IM-130WNE ------------------ 50
[d] IM-240NE, IM-240WNE -------------------------------------------------------------------- 51
3. PERFORMANCE DATA ------------------------------------------------------------------------- 52
[a] Copeland Compressor ---------------------------------------------------------------------- 52
[b] Secop (Danfoss) Compressor ------------------------------------------------------------ 58
VI. SERVICE DIAGNOSIS --------------------------------------------------------------------------- 59
1. ERROR CODE INDICATION ------------------------------------------------------------------ 59
2. NO ERROR CODE INDICATION ------------------------------------------------------------- 60
VII. ADJUSTMENT ------------------------------------------------------------------------------------- 62
1. EXPANSION VALVE ----------------------------------------------------------------------------- 62
2. WATER REGULATING VALVE - WATER-COOLED MODEL ONLY ----------------- 63
3. FULL DRAIN FLUSH ---------------------------------------------------------------------------- 64
4. DIMPLE DIAMETER ----------------------------------------------------------------------------- 64
VIII. REMOVAL AND REPLACEMENT ------------------------------------------------------------ 65
1. SERVICE FOR REFRIGERANT LINES ---------------------------------------------------- 65
[a] SERVICE INFORMATION ----------------------------------------------------------------- 65
[b] REFRIGERANT RECOVERY ------------------------------------------------------------- 66
[c] EVACUATION AND RECHARGE -------------------------------------------------------- 67
2. COMPRESSOR ----------------------------------------------------------------------------------- 68
3. DRIER ----------------------------------------------------------------------------------------------- 69
4. EXPANSION VALVE ----------------------------------------------------------------------------- 70
5. EVAPORATOR ------------------------------------------------------------------------------------ 71
6. HOT GAS VALVE --------------------------------------------------------------------------------- 72
7. WATER REGULATING VALVE - WATER-COOLED MODEL ONLY ----------------- 73
[a] VALVE BODY --------------------------------------------------------------------------------- 73
[b] WHOLE VALVE ------------------------------------------------------------------------------- 73

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8. WATER PAN ASSEMBLY ---------------------------------------------------------------------- 75
9. PUMP MOTOR ------------------------------------------------------------------------------------ 77
10. WATER VALVE------------------------------------------------------------------------------------ 77
11. ACTUATOR MOTOR ---------------------------------------------------------------------------- 78
12. CAM ------------------------------------------------------------------------------------------------- 79
[a] CAM (A) - ACTUATOR MOTOR SIDE -------------------------------------------------- 79
[b] CAM (B) - REAR SIDE ---------------------------------------------------------------------- 79
13. CONTROLLER BOARD ------------------------------------------------------------------------ 81
14. THERMISTOR FOR CUBE CONTROL ----------------------------------------------------- 86
15. FAN MOTOR - AIR-COOLED MODEL ONLY --------------------------------------------- 87

1
I. SPECIFICATIONS
1. DIMENSIONS/SPECIFICATIONS
[a] IM-21CNE (Air-cooled)

2
[b] IM-30CNE (Air-cooled)

3
[c] IM-30CWNE (Water-cooled)

4
[d] IM-45CNE (Air-cooled)

5
[e] IM-45NE (Air-cooled)

6
[f] IM-45WNE (Water-cooled)

7
[g] IM-65NE (Air-cooled)

8
[h] IM-65WNE (Water-cooled)

9
[i] IM-100CNE

10
[j] IM-100NE

11
[k] IM-100WNE

12
[l] IM-130NE

13
[m] IM-130WNE

14
[n] IM-240NE (Air-cooled) [Copeland compressor: auxiliary code B0 and earlier]

15
[o] IM-240NE (Air-cooled) [Danfoss compressor: auxiliary code B1 and later]

16
[p] IM-240WNE (Water-cooled) [Copeland compressor: auxiliary code B0 and
earlier]