Welbilt Koolaire KDF0150A Manuals

Manuals and User Guides for Welbilt Koolaire KDF0150A. We have 1 Welbilt Koolaire KDF0150A manual available for free PDF download: Technician's Handbook

Welbilt Koolaire KDF0150A Technician's Handbook (136 pages)

Undercounter Ice Machines

Brand: Welbilt | Category: Ice Maker | Size: 2 MB

Table of Contents
9
General Information
13
Model Numbers
13
How to Read a Model Number
14
Accessories
14
Bin Caster
14
Cleaner and Sanitizer
14
Model/Serial Number Location
15
Ice Machine Warranty Information
15
Installation
17
Location of Ice Machine
17
Ice Machine Clearance Requirements
18
Ice Machine Heat of Rejection
18
Leveling the Ice Machine
19
Electrical Requirements
20
Voltage
20
Fuse/Circuit Breaker
20
Total Circuit Ampacity
20
Electrical Specifications
21
Air-Cooled Ice Machine
21
Water-Cooled Ice Machines
21
Water Service/Drains
22
Water Supply
22
Water Inlet Lines
22
Drain Connections
22
Water Supply and Drain Line Sizing
23
Connections
23
Cooling Tower Applications
24
Component Identification
25
Evaporator Compartment
25
Ice Machine Inspection
27
Exterior Cleaning
27
Cleaning the Condenser
27
Interior Cleaning and Sanitizing
29
Removal from Service/Winterization
42
Operation
45
Initial Start-Up or Start-Up after Automatic
45
Shut-Off
45
Freeze Sequence
45
Harvest Sequence
46
Automatic Shut-Off
46
Energized Parts Chart
47
Operational Checks
49
Troubleshooting
53
Diagnosing an Ice Machine that will Not Run
53
Diagnosing Ice Thickness Control Circuitry
54
Ice Production Check
57
Installation and Visual Inspection Checklist
59
Water System Checklist
60
Ice Formation Pattern
61
Safety Limit Feature
63
Analyzing Discharge Pressure
70
Analyzing Suction Pressure
72
Harvest Valve
76
Comparing Evaporator Inlet/Outlet
80
Temperatures
80
Discharge Line Temperature Analysis
81
Refrigeration Component Diagnostic Chart
83
Procedure
84
Final Analysis
85
Refrigeration Component Diagnostic Chart
86
Ice Quality Is Poor - Cubes Are Shallow
89
Incomplete or White
89
Freeze Cycle Is Long, Low Ice Production
90
Ice Machine Runs and no Ice Is Produced
91
Component Check Procedures
93
Main Fuse
93
Bin Switch
94
Diagnosing Start Components
97
Capacitor
97
Relay
97
ON/OFF/WASH Toggle Switch
98
Ice Thickness Probe
99
Ice Thickness Check
100
Compressor Electrical Diagnostics
101
Fan Cycle Control
103
High Pressure Cutout (HPCO) Control
104
Filter-Driers
105
Refrigerant Recovery/Evacuation
106
Refrigerant Re-Use Policy
107
Recovery and Recharging Procedures
109
System Contamination Cleanup
112
Mild System Contamination Cleanup
114
Procedure
114
Severe System Contamination Cleanup
115
Procedure
115
Replacing Pressure Controls Without
117
Removing Refrigerant Charge
117
KF250/K270 Condenser Fan Motor Access
119
Component Specifications
121
Main Fuse
121
Bin Switch
121
ON/OFF/WASH Toggle Switch
121
Fan Control Cycle
121
High Pressure Cutout (HPCO) Control
121
Filter-Driers
121
Total System Refrigerant Charge
122
Cycle Times, 24 Hr. Ice Production and Refrigerant Pressure Charts
123
KF0150A Self-Contained Air-Cooled
124
K170A Self-Contained Air-Cooled
125
KF0250 Self-Contained Air-Cooled
126
K270 Self-Contained Air-Cooled
127
Wiring Diagrams
129
KF150/K170 Wiring Diagram
130
KF250/K270 Wiring Diagram
132
Electronic Control Board
134
KF150/K170/KF250/K270 Tubing Schematic
134

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Welbilt Koolaire KDF0150A Technician's Handbook (136 pages)

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