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Manitowoc UFK0350AZ251 User Manual
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Manitowoc UFK0350AZ251 UFK0350AZ-251 29" Air Cooled Undercounter Flake Ice Machine with 350 lbs. Daily Ice Production, 50 lbs. Storage Capacity and Slide Up Door in Stainless Steel - 230v/5
User Manual - Page 136
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General Information
Model Numbers
Flake Air & Water-Cooled Models
Nugget Air & Water-Cooled Models
QuietQube Models with Remote Condensing Unit
Model/Serial Number
Manitowoc Cleaner and Sanitizer
Ice Machine Warranty Information
Ice Machine Heat of Rejection
Installation
Installation Requirements
Potable Water Requirements
Drain Connections
Ice Machine Clearance Requirements
Cooling Tower Applications
Electrical Service
Voltage
Fuse/Circuit Breaker
Ground Fault Interrupter Circuit (GFIC)
Maximum Breaker/Minimum Circuit Amperage Chart
RFF/RNF/UFF/UNF Air-cooled Models
RFF/UFF Water-cooled Models
RFF/RNF QuietQube Model Head Sections
RCUF QuietQube Model Condensing Units
Maintenance
Cleaning and Sanitizing
Exterior Cleaning
Cleaning/Sanitizing Procedures
Parts removal for Cleaning/Sanitizing
Ice Chute Removal - RFF & RNF Models
Cleaning the Air filter and Condenser
Removal from Service/Winterization
Sequence of Operation
Ice Making Sequence of Operation
UFF0200/UFF0350/UNF0200/UNF0300 Operation
RFF0320 & RNF0320 Operation
RNF0620/RFF0620/RNF1100/RFF1300/RFF2500 Operation
RNF1020C/RFF1220C/RNF2000C/RFF2200C
Thermostat Settings
Troubleshooting
UFF0200/UFF0350/UNF0200/UNF0300 Troubleshooting
Self-Contained Air-Cooled
RFF0320/RNF0320 Troubleshooting
Self-Contained Air-Cooled
RFF0620/RNF0620/RNF1100/RFF1300 Troubleshooting
Self-Contained Air-Cooled
Rotation Sensor Operation
RNF1020C/RFF1220C Troubleshooting
QuietQube Remote Air-cooled Models with Remote Condensing Unit
RFF2500 Troubleshooting
Self-Contained Air-Cooled
Rotation Sensor Operation
RNF2000C/RFF2200C Troubleshooting
QuietQube Remote Air-cooled Models with Remote Condensing Unit
Refrigeration Troubleshooting
Capillary Tube Models
Component Specifications
Bin Thermostat
Low Temperature Thermostat Evaporator safety thermostat)
High Pressure Cutout (HPCO) Control
Rotation Sensor
Low Pressure Cutout (LPCO) Control
Fan Cycle Control
Total System Refrigerant Charge
Filter-Driers
Suction Cleanup Filter-Drier
Charts
Total System Refrigerant Charge
Ice Production & Refrigerant Pressure
Flake Models
UFF200A
RFF0320A
UFF0350
RFF0620A
RFF0620W
RFF1220C With RCUF1200
RFF1300A
RFF1300W
RFF2200C With RCUF2200
RFF2500A
Nugget Models
UNF0200A
UNF0300A
RNF0320A
RNF0620A
RNF0320W
RNF1100A
RNF1100W
RNF1020C With RCUF1000
RNF2000C
Diagrams
Wiring Diagrams
Flake Models
UFF0200/UFF350 Air-Cooled
RFF0320 Air-Cooled
RFF0620 Air-Cooled
RFF1300A Air-Cooled
RFF1300 Water-Cooled
RFF1220C QuietQube Head Section
RFF2500 Air-Cooled
RFF2200C QuietQube Head Section
Condensing Units
RCUF Condensing Unit 1ph
RCUF Condensing Unit 3ph
Nugget Models
UNF0200/UNF0300 Air-Cooled
RNF0320 Air-Cooled
RNF0620 Air-Cooled
RNF0620 Water-Cooled
RNF1100 Air-Cooled
RNF1100 Water-cooled
RNF1020C
RNF2000C QuietQube Head Section
Self-Contained Model Compressor Start Component Wiring
Refrigeration Tubing Schematics
Flake Models
RFF0200/RFF0350/RFF0320/RFF0620
RFF1300 AIR-COOLED
RFF2500 Air-cooled
RFF1220C QuietQube Head Section & RCUF1000 Condensing Unit
RFF2200C QuietQube Head Section & RCUF2200 Condensing Unit
Nugget Models
UNF0200/UNF0300
RNF0320/RNF0620/RNF1100
RNF1020C QuietQube Head Section & RCUF1000 Condensing Unit
RNF2000C QuietQube Head Section & RCUF2200 Condensing Unit
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Contents
Table of Contents
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136
Part Number 000015433_02 11/19
RNF0
6
2
0 W
A
TER-COOLED
Ref
er to Nameplate f
or V
oltage Rating
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~
15
1
5
2
6
BK
BU
BN
BU
BU
K1
BU
BU
BU
GY
BN
BN
WH
BK
RD
BK
BK
BU
BN
RD
P
RD
P
M
M
BK
BU
RD
1
N
30
L
2
K1
10
19
11
18
27
24
35
17
6
See page 146
f
or compressor start componen
t wiring.
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File type: PDF
File name: 31058876_ufk0350az251.pdf
File size: 3.12 MB
File Language: English
Pages: 164
Author: Manitowoc
File created: 2019-10-24
Published: 2021-08-20
Updated: 2023-06-07
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Table of Contents
×
General Information
15
Model Numbers
15
Flake Air & Water-Cooled Models
15
Nugget Air & Water-Cooled Models
15
QuietQube Models with Remote Condensing Unit
16
Model/Serial Number
16
Manitowoc Cleaner and Sanitizer
16
Ice Machine Warranty Information
16
Ice Machine Heat of Rejection
17
Installation
19
Installation Requirements
19
Potable Water Requirements
20
Drain Connections
20
Ice Machine Clearance Requirements
21
Cooling Tower Applications
21
Electrical Service
22
Voltage
22
Fuse/Circuit Breaker
22
Ground Fault Interrupter Circuit (GFIC)
22
Maximum Breaker/Minimum Circuit Amperage Chart
23
RFF/RNF/UFF/UNF Air-cooled Models
23
RFF/UFF Water-cooled Models
23
RFF/RNF QuietQube Model Head Sections
24
RCUF QuietQube Model Condensing Units
24
Maintenance
25
Cleaning and Sanitizing
25
Exterior Cleaning
25
Cleaning/Sanitizing Procedures
25
Parts removal for Cleaning/Sanitizing
31
Ice Chute Removal - RFF & RNF Models
32
Cleaning the Air filter and Condenser
33
Removal from Service/Winterization
34
Sequence of Operation
35
Ice Making Sequence of Operation
35
UFF0200/UFF0350/UNF0200/UNF0300 Operation
35
RFF0320 & RNF0320 Operation
35
RNF0620/RFF0620/RNF1100/RFF1300/RFF2500 Operation
36
RNF1020C/RFF1220C/RNF2000C/RFF2200C
37
Thermostat Settings
39
Troubleshooting
41
UFF0200/UFF0350/UNF0200/UNF0300 Troubleshooting
41
Self-Contained Air-Cooled
41
RFF0320/RNF0320 Troubleshooting
47
Self-Contained Air-Cooled
47
RFF0620/RNF0620/RNF1100/RFF1300 Troubleshooting
53
Self-Contained Air-Cooled
53
Rotation Sensor Operation
53
RNF1020C/RFF1220C Troubleshooting
59
QuietQube Remote Air-cooled Models with Remote Condensing Unit
59
RFF2500 Troubleshooting
66
Self-Contained Air-Cooled
66
Rotation Sensor Operation
66
RNF2000C/RFF2200C Troubleshooting
73
QuietQube Remote Air-cooled Models with Remote Condensing Unit
73
Refrigeration Troubleshooting
81
Capillary Tube Models
81
Component Specifications
83
Bin Thermostat
83
Low Temperature Thermostat Evaporator safety thermostat)
83
High Pressure Cutout (HPCO) Control
83
Rotation Sensor
84
Low Pressure Cutout (LPCO) Control
85
Fan Cycle Control
85
Total System Refrigerant Charge
86
Filter-Driers
87
Suction Cleanup Filter-Drier
87
Charts
89
Total System Refrigerant Charge
89
Ice Production & Refrigerant Pressure
89
Flake Models
90
UFF200A
90
RFF0320A
91
UFF0350
92
RFF0620A
93
RFF0620W
94
RFF1220C With RCUF1200
95
RFF1300A
96
RFF1300W
97
RFF2200C With RCUF2200
98
RFF2500A
99
Nugget Models
100
UNF0200A
100
UNF0300A
101
RNF0320A
102
RNF0620A
103
RNF0320W
104
RNF1100A
105
RNF1100W
106
RNF1020C With RCUF1000
107
RNF2000C
108
Diagrams
109
Wiring Diagrams
109
Flake Models
110
UFF0200/UFF350 Air-Cooled
110
RFF0320 Air-Cooled
112
RFF0620 Air-Cooled
114
RFF1300A Air-Cooled
116
RFF1300 Water-Cooled
118
RFF1220C QuietQube Head Section
120
RFF2500 Air-Cooled
122
RFF2200C QuietQube Head Section
124
Condensing Units
126
RCUF Condensing Unit 1ph
126
RCUF Condensing Unit 3ph
128
Nugget Models
130
UNF0200/UNF0300 Air-Cooled
130
RNF0320 Air-Cooled
132
RNF0620 Air-Cooled
134
RNF0620 Water-Cooled
136
RNF1100 Air-Cooled
138
RNF1100 Water-cooled
140
RNF1020C
142
RNF2000C QuietQube Head Section
144
Self-Contained Model Compressor Start Component Wiring
146
Refrigeration Tubing Schematics
148
Flake Models
148
RFF0200/RFF0350/RFF0320/RFF0620
148
RFF1300 AIR-COOLED
149
RFF2500 Air-cooled
150
RFF1220C QuietQube Head Section & RCUF1000 Condensing Unit
152
RFF2200C QuietQube Head Section & RCUF2200 Condensing Unit
154
Nugget Models
156
UNF0200/UNF0300
156
RNF0320/RNF0620/RNF1100
157
RNF1020C QuietQube Head Section & RCUF1000 Condensing Unit
158
RNF2000C QuietQube Head Section & RCUF2200 Condensing Unit
160
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