Service Manual
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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/50hz/1
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Table Of Contents
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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Part Number 000015433_02 11/19
RNF0
6
2
0 AIR-
COOLED
Ref
er to Nameplate f
or V
oltage Rating
~
~
~
15
1
5
2
6
BU
BU
BU
BK
BU
BU
BU
GY
BN
BN
K1
BU
PH
BK
BN
WH
BK
BU
RD
BK
RD
BN
BU
RD
BK
RD
P
P
M
M
M
BK
P
27
11
N
1
4
30
L
24
35
13
K1
10
2
6
18
19
17
See page 146
f
or compressor start componen
t wiring.
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