Manitowoc SR1090N Manuals

Manuals and User Guides for Manitowoc SR1090N. We have 2 Manitowoc SR1090N manuals available for free PDF download: Technician's Handbook

Manitowoc SR1090N Technician's Handbook (301 pages)

S series; S300 series; S420 series; S450 series; S500 series; S850 series; S1000 series; S1200 series; S1400W series; S1400A series; S1400N series; S1800W series; S1800A series; S1800N series

Brand: Manitowoc | Category: Ice Maker | Size: 6 MB

Safety Notices
3
Procedural Notices
3
Table of Contents
5
General Information
9
Model Numbers
9
Ice Cube Sizes
10
Personal Injury Potential
10
How to Read a Model Number
10
Model/Serial Number Location
11
Energy Efficient Ice Machine
12
Serial Breaks
12
Ice Machine Warranty Information
13
Commercial Warranty Coverage
14
Installation
16
Installation
21
Location of Ice Machine
21
Ice Machine Clearance Requirements
22
Ice Machine Heat of Rejection
23
Remote Condenser Line Set Installation
24
Air Temperature Around the Condenser
24
Calculating Remote Condenser
25
Installation Distances
25
Line Set Length
25
Line Set Rise/Drop
25
Calculated Line Set Distance
26
Maximum Line Set Distance Formula
27
Lengthening or Reducing Line Set Lengths
27
Connecting a Line Set
28
Component Identification S Model Single Evaporator Models
29
S Model Quad Evaporator Models
30
Maintenance
31
General
31
Cleaning/Sanitizing Procedure
31
Heavily Scaled Cleaning Procedure
31
Cleaning / Sanitizing Procedure
32
Parts Removal for Cleaning/Sanitizing
34
Single Evaporator Ice Machines
34
Remove the Water Curtain
34
Remove the Ice Thickness Probe
34
Quad Evaporator Ice Machines
35
Remove the Water Trough Shield
35
Remove Splash Shields
35
Remove the Water Pump Assembly
35
Procedure to Clean Heavily Scaled Ice Machines
40
Cleaning Procedure
40
Remove Parts for Cleaning
42
Parts Removal for Cleaning/Sanitizing
43
Water Inlet Valve
53
Water Dump Valve
54
Drain Line Check Valve
56
Removal from Service/Winterization
57
Self-Contained Air-Cooled Ice Machines
57
Water-Cooled Ice Machines
58
Remote Ice Machines
58
Sequence of Operation
59
Self Contained Air or Water Cooled
59
Single & Quad Evaporator Models
59
Initial Start-Up or Start-Up after Automatic Shut-Off
59
Freeze Sequence
60
Prechill
60
Energized Control Board Lights
60
Harvest Sequence
61
Water Purge
61
Harvest
62
Single Evaporator Models
62
Quad Evaporator Models
62
Automatic Shut-Off
63
Safety Timers
64
Safety Limits
65
Safety Limit Stand-By Mode
66
Warm Water Rinse Cycle
67
After the 200Th Harvest Cycle Ends
67
Self Contained Air & Water-Cooled
68
Single Evaporator Model Energized Parts Chart
68
Self Contained Water-Cooled
70
Remotes
72
Refrigeration System Start-Up
73
Remote Air-Cooled
77
Troubleshooting
81
Safety Limits
81
Quad Evaporator Machines Only
82
Analyzing Why a Safety Limit Stopped the Ice Machine
84
Water System
85
Electrical System
85
Safety Limit #1
85
Safety Limit #2
86
Safety Limit #3
87
Control Board Testing
88
Control Board Test Cycle
88
Troubleshooting by Symptom
89
Ice Machine Stops Running
89
Ice Machine Has a Long Freeze Cycle
89
Ice Machine Stops Running or Has a History of Shutting down
90
Symptom #1 Ice Machine will Not Run
90
Compressor Electrical Diagnostics
92
Check Resistance (Ohm) Values
92
Single Phase Compressors
92
Three Phase Compressors
92
Check Motor Windings to Ground
93
Compressor Drawing Locked Rotor
93
Compressor Drawing High Amps
93
Low Production, Long Freeze
94
How to Use the Freeze Cycle Refrigeration System
94
Operational Analysis Table
94
Symptom #2 - Freeze Cycle Refrigeration System Operational Analysis Tables
96
S Models Single Expansion Valve
97
Operational Analysis Table Procedures
105
Before Beginning Service
105
Freeze Cycle Refrigeration System Opera Tional Analysis Table Procedures
105
Ice Production Check
106
Installation/Visual Inspection Checklist
108
Inadequate Clearances
108
Ice Machine Is Not Level
108
Condenser Is Dirty
108
Water System Checklist
109
Water Area (Evaporator) Is Dirty
109
Water Inlet Pressure Not between 20 and 80 Psig
109
Water Filtration Is Plugged (if Used)
109
Ice Formation Pattern
110
Normal Ice Formation
110
Extremely Thin at Evaporator Outlet
111
Extremely Thin at Evaporator Inlet
111
No Ice Formation
111
Analyzing Discharge Pressure in the Freeze Cycle
112
Freeze Cycle Discharge Pressure High Checklist
113
Improper Installation
113
Analyzing Suction Pressure
115
Suction Pressure High Checklist
116
Suction Pressure Low Checklist
117
Single Expansion Valve Ice Machines Comparing
118
Evaporator Inlet and Outlet Temperatures
118
Multiple Expansion Valve Ice Machines Comparing
119
Harvest Valve Analysis
120
Discharge Line Temperature Analysis
122
Water Regulating Valve
123
Valve Not Maintaining Discharge Pressure
123
Final Analysis
124
Harvest Valve Leaking
124
Low Charge/Txv Starving
124
Txv Flooding
125
Compressor
125
Harvest Pressure Valve
125
Harvest Problems
126
Normal Ice Cube
126
Melted out Ice Cube
126
Ice will Not Harvest, Cubes Are Not Melted
127
Symptom #3 - Traditional Remotes Only
129
Will Not Harvest, Melted Cubes
131
Component Check Procedures
135
Electrical Components
135
Main Fuse
135
Check Procedure
135
Ice/Off/Clean Toggle Switch
136
Bin Switch
137
Specifications
137
Bin Switch Fails Open
138
Bin Switch Fails Closed
138
Continuity Test
138
Water Curtain/Ice Damper Removal Notes
139
Cleaning the Ice Thickness or Water Level Probe
140
Water Level Control Circuitry
141
Freeze Cycle Water Level Setting
141
Water Inlet Valve Safety Shut-Off
141
Freeze Cycle Circuitry
141
Diagnosing Water Level Control Circuitry
142
Disconnect Probe from Control Board
145
Ice Thickness Probe (Harvest Initiation)
146
Ice Probe Light
146
Freeze Time Lock-In Feature
146
Maximum Freeze Time
147
Ice Thickness Check
147
Ice Thickness Adjustment
147
Diagnosing Ice Thickness Control Circuitry
148
Ice Probe Light on
148
Ice Probe Light off
148
Harvest Cycle Circuitry
150
Harvest Assist Air Pump
151
Compressor Electrical Diagnostics
152
Diagnosing Start Components
154
Capacitor
154
Relay
155
Relay Operation Check
155
Ptcr
156
PTCR Operation Check
157
Refrigeration Components
158
High Pressure Cutout (Hpco) Control
158
Replace the HPCO Control if It
158
Fan Cycle Control
159
Water Regulating Valve
160
Harvest Pressure Regulating (Hpr)
161
Remotes Only
161
Freeze Cycle
162
Harvest Cycle
162
Hpr Diagnostics
162
Head Pressure Control Valve
164
Fan Cycle Control Vs. Head Pressure Control Valve
166
Low Pressure Cutout (Lpco) Control
167
Harvest Pressure Solenoid Valve
168
Refrigerant Recovery/Evacuation
169
Connections
169
Self-Contained Recovery/Evacuation
170
Self-Contained Charging Procedures
171
Normal Remote Model Procedures
173
Remote Recovery/Evacuation
174
Recovery/Evacuation Connections
175
Remote Charging Procedures
176
Remote Charging Connections
177
System Contamination Clean-Up
178
Determining Severity of Contamination
178
Contamination Cleanup Chart
179
Cleanup Procedure
180
Mild System Contamination
180
Severe System Contamination
181
Replacing Pressure Controls Without Removing Refrigerant Charge
183
Using Pinch-Off Tool
184
Main Fuse
185
Filter-Driers
186
Total System Refrigerant Charge
187
Cycle Times/24-Hour Ice Production/ Refrigerant Pressure Charts
191
Refrigerant Pressure Charts
191
Cycle Times
192
24 Hour Ice Production
192
Operating Pressures
192
S300 Series
192
S320 Series
196
S420 Series
198
S450 Series
202
S500 Series
206
S600 Series
215
S850 Series
218
S1000 Series
227
S1200 Series
236
S1400 Series
242
S1600 Series
253
S1800 Series
256
S3300 Series
265
Wiring Diagrams
267
Wiring Diagram Legend
267
Wiring Diagrams before Energy Efficient & Energystar Machines
268
Self Contained - 1 Phase
268
Self Contained - 3 Phase
271
Remote - 1 Phase
272
Remote - 3 Phase
274
Self-Contained - 1 Phase
275
Self-Contained - 3 Phase
276
Ergystar Machines
279
Water-Cooled - 3 Phase
284
Electronic Control Board
290
Single and Twin Evaporator Without Test Button
290
Single and Twin Evaporator with Test Button
291
Quad Evaporator Ice Machines
292
Refrigeration Tubing Schematics
293
Remote Models
295

Manitowoc SR1090N Technician's Handbook (301 pages)

S Series

Brand: Manitowoc | Category: Ice Maker | Size: 9 MB

Safety Notices
3
Procedural Notices
3
Table of Contents
5
General Information

9
- Model Numbers
  
  9
  - How to Read a Model Number
    10
- Ice Cube Sizes
  
  10
- Model/Serial Number Location
  
  11
- Energy Efficient Ice Machine Serial Breaks
  
  12
- Ice Machine Warranty Information
  
  13
- Procedure to Clean Heavily Scaled
  
  23
- Ice Machine Heat of Rejection
  
  23
  - S420/S450
    23
  - Remote Condenser Line Set Installation
    24
    
    Air Temperature Around the Condenser
    24
    
    Line Set Length
    25
    
    Line Set Rise/Drop
    25
  - Calculating Remote Condenser Installation Distances
    25
    
    Calculated Line Set Distance
    26
    
    Maximum Line Set Distance Formula
    27
    
    Lengthening or Reducing Line Set Lengths
    27
  - Connecting a Line Set
    28
  - Component Identification
    29
  - S Model Single Evaporator Models
    29
  - S Model Quad Evaporator Models
    30
  - Maintenance
    31
  - General
    31
    
    Cleaning/Sanitizing Procedure
    31
    
    Heavily Scaled Cleaning Procedure
    31
  - Cleaning / Sanitizing Procedure
    32
  - Cleaning Procedure
    32
  - Parts Removal for Cleaning/Sanitizing
    34
    
    Single Evaporator Ice Machines
    34
    
    Remove the Water Curtain
    34
    
    Remove the Ice Thickness Probe
    34
    
    Quad Evaporator Ice Machines
    35
    
    Remove the Water Trough Shield
    35
    
    Remove Splash Shields
    35
    
    Remove Ice Thickness Probe
    35
  - Procedure to Clean Heavily Scaled Ice Machines
    40
  - General
    40
  - Cleaning Procedure
    40
  - Parts Removal for Cleaning/Sanitizing
    43
    
    Ice Thickness Probe & Water Level Probe
    52
    
    Water Inlet Valve
    53
    
    Water Dump Valve
    54
    
    Drain Line Check Valve
    56
- Removal from Service/Winterization
  
  57
Sequence of Operation

59
- Self Contained Air or Water Cooled
  
  59
  - Energized Control Board Lights
    59
  - Refrigeration System Start-Up
    59
  - Single & Quad Evaporator Models
    59
    
    Freeze
    60
    
    Freeze Sequence
    60
    
    Prechill
    60
    
    Harvest Sequence
    61
    
    Water Purge
    61
    
    Automatic Shut-Off
    63
- Safety Timers
  
  64
- Safety Limits
  
  65
Troubleshooting

81
- Safety Limits
  
  81
  - Quad Evaporator Machines Only
    82
  - Analyzing Why a Safety Limit Stopped the Ice Machine
    84
  - Safety Limit #1
    85
  - Safety Limit #2
    86
  - Safety Limit #3
    87
  - Control Board Testing
    88
  - Control Board Test Cycle
    88
  - Troubleshooting by Symptom
    89
    
    Ice Machine Stops Running
    89
    
    Ice Machine Has a Long Freeze Cycle
    89
    
    Ice Machine Stops Running or Has a History of Shutting down
    90
  - Symptom #1 Ice Machine will Not Run
    90
  - Compressor Electrical Diagnostics
    92
    
    Check Resistance (Ohm) Values
    92
    
    Single Phase Compressors
    92
    
    Three Phase Compressors
    92
    
    Check Motor Windings to Ground
    93
    
    Compressor Drawing Locked Rotor
    93
    
    Compressor Drawing High Amps
    93
    
    Low Production, Long Freeze
    94
  - Freeze Cycle
    94
    
    Symptom #2 - Freeze Cycle Refrigeration System Operational Analysis Tables
    96
    
    S Models Single Expansion Valve
    97
    
    Before Beginning Service
    105
  - Freeze Cycle Refrigeration System Operational Analysis Table Procedures
    105
    
    Ice Production Check
    106
    
    Installation/Visual Inspection Checklist
    108
    
    Inadequate Clearances
    108
    
    Ice Machine Is Not Level
    108
    
    Condenser Is Dirty
    108
    
    Water System Checklist
    109
    
    Water Area (Evaporator) Is Dirty
    109
    
    Ice Formation Pattern
    110
    
    Normal Ice Formation
    110
    
    Extremely Thin at Evaporator Outlet
    111
    
    Extremely Thin at Evaporator Inlet
    111
    
    No Ice Formation
    111
    
    Analyzing Discharge Pressure in the Freeze Cycle
    112
    
    Freeze Cycle Discharge Pressure High Checklist
    113
    
    Improper Installation
    113
    
    Water Condenser
    113
    
    Freeze Cycle Discharge Pressurelow Checklist
    114
    
    Analyzing Suction Pressure
    115
    
    Suction Pressure High Checklist
    116
    
    Suction Pressure Low Checklist
    117
    
    Harvest Valve Analysis
    120
    
    Discharge Line Temperature Analysis
    122
    
    Procedure
    122
    
    Water Regulating Valve
    123
    
    Final Analysis
    124
    
    Harvest Valve Leaking
    124
    
    Low Charge/Txv Starving
    124
    
    Txv Flooding
    125
    
    Compressor
    125
  - Harvest Problems
    126
    
    Normal Ice Cube
    126
    
    Melted out Ice Cube
    126
  - Symptom #3 Ice will Not Harvest, Cubes Are Not Melted
    127
  - Symptom #3 - Traditional Remotes Only
    129
  - Will Not Harvest, Melted Cubes
    131
- Harvest Problems
  
  90
Component Check Procedures

135
- Electrical Components
  
  135
  - Main Fuse
    135
  - Ice/Off/Clean Toggle Switch
    136
  - Bin Switch
    137
    
    Bin Switch Fails Open
    138
    
    Bin Switch Fails Closed
    138
    
    Continuity Test
    138
    
    Water Curtain/Ice Damper Removal Notes
    139
  - Cleaning the Ice Thickness or Water Level Probe
    140
  - Water Level Control Circuitry
    141
    
    Freeze Cycle Water Level Setting
    141
    
    Water Inlet Valve Safety Shut-Off
    141
    
    Freeze Cycle Circuitry
    141
    
    Diagnosing Water Level Control Circuitry
    142
    
    Water Trough Overfilling Continued
    143
  - Ice Thickness Probe (Harvest Initiation)
    146
    
    Ice Probe Light
    146
    
    Freeze Time Lock-In Feature
    146
    
    Maximum Freeze Time
    147
    
    Ice Thickness Check
    147
    
    Ice Thickness Adjustment
    147
    
    Diagnosing Ice Thickness Control Circuitry
    148
    
    Ice Probe Light on
    148
    
    Ice Probe Light off
    148
    
    Harvest Cycle Circuitry
    150
  - Harvest Assist Air Pump
    151
- Compressor Electrical Diagnostics
  
  152
  - Diagnosing Start Components
    154
    
    Relay Operation Check
    155
    
    Ptcr
    156
    
    PTCR Operation Check
    157
- Refrigeration Components
  
  158
  - High Pressure Cutout (Hpco) Control
    158
  - Check Procedure
    158
  - Fan Cycle Control
    159
    
    Problem (Freeze Cycle)
    160
    
    Valve Not Maintaining Discharge Pressure
    160
  - Water Regulating Valve
    160
  - Harvest Pressure Regulating (HPR) System
    161
  - Remotes Only
    161
  - Head Pressure Control Valve
    164
  - Low Pressure Cutout (LPCO) Control
    167
  - Specifications
    167
  - Harvest Pressure Solenoid Valve
    168
  - Refrigerant Recovery/Evacuation
    169
  - Connections
    169
  - Normal Self-Contained Model Procedures
    169
    
    Self-Contained Recovery/Evacuation
    170
    
    Self-Contained Charging Procedures
    171
    
    Charging Connections
    171
  - Normal Remote Model Procedures
    173
    
    Remote Recovery/Evacuation
    174
    
    Remote Charging Procedures
    176
  - System Contamination Clean-Up
    178
  - Determining Severity of Contamination
    178
  - Contamination Cleanup Chart
    179
  - Cleanup Procedure
    180
    
    Mild System Contamination
    180
    
    Severe System Contamination
    181
  - Replacing Pressure Controls Without Removing Refrigerant Charge
    183
  - Using Pinch-Off Tool
    184
  - Specifications
    185
  - Main Fuse
    185
  - Fan Cycle Control
    185
  - High Pressure Cutout (HPCO) Control
    185
  - Cut-In (Close) Cut-Out (Open)
    185
  - (1723 Kpa ±.34) (1517 Kpa
    185
  - (17.23 Bar ±.34) (15.17 Bar
    185
  - 275 Psig ±5
    185
  - (1896 Kpa ±34) (1551 Kpa ±34)
    185
  - (18.96 Bar±.34) (15.51 Bar
    185
  - Filter-Driers
    186
  - Total System Refrigerant Charge
    187
Cycle Times/24-Hour Ice Production/Refrigerant Pressure Charts

191
- 24 Hour Ice Production
  192
- Cycle Times
  192
- Operating Pressures
  192
- S300 Series
  192
- Operating Pressures
  193
- S320 Series
  196
- S420 Series
  198
- S450 Series
  202
- S500 Series
  206
- S600 Series
  215
- S850 Series
  218
- S1000 Series
  227
- S1200 Series
  236
- S1400 Self-Contained Air-Cooled
  242
- S1400 Series
  242
- All Self-Contained Air-Cooled
  253
- S1600 Series
  253
- S1800 Series
  256
- S3300 Series
  265
Wiring Diagrams

267
- Wiring Diagram Legend
  267
- Self Contained - 1 Phase
  268
- Wiring Diagrams before Energy Efficient
  268
- Energystar Machines
  268
  - Self Contained - 3 Phase
    271
  - Remote - 1 Phase
    272
- Wiring Diagrams for Energy Efficient & Energystar Machines
  279
- Electronic Control Board
  290
- Single and Twin Evaporator
  290
- Single and Twin Evaporator with Test Button
  291
- Quad Evaporator Ice Machines
  292
- Refrigeration Tubing Schematics
  293
- Self-Contained Air- or
  293
- Water -Cooled Models
  293
- Remote Models
  295

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More Manitowoc Manuals

Manitowoc SR1090N Manuals

Manitowoc SR1090N Technician's Handbook (301 pages)

Table of Contents

Manitowoc SR1090N Technician's Handbook (301 pages)

Table of Contents

General Information

Model Numbers

Ice Cube Sizes

Model/Serial Number Location

Energy Efficient Ice Machine Serial Breaks

Ice Machine Warranty Information

Procedure to Clean Heavily Scaled

Ice Machine Heat of Rejection

Removal from Service/Winterization

Sequence of Operation

Self Contained Air or Water Cooled

Safety Timers

Safety Limits

Troubleshooting

Safety Limits

Harvest Problems

Component Check Procedures

Electrical Components

Compressor Electrical Diagnostics

Refrigeration Components

Cycle Times/24-Hour Ice Production/Refrigerant Pressure Charts

Wiring Diagrams

Related Products

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