Koolaire KR0271W Manuals

Manuals and User Guides for Koolaire KR0271W. We have 1 Koolaire KR0271W manual available for free PDF download: Technician's Handbook

Koolaire KR0271W Technician's Handbook

Koolaire KR0271W Technician's Handbook (132 pages)

Undercounter Ice Machines

Brand: Koolaire | Category: Ice Maker | Size: 1.46 MB

Table of Contents

Safety Notices
3
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
Air-Cooled Ice Machine
21
Electrical Specifications
21
Water-Cooled Ice Machines
22
Water Service/Drains
23
Water Supply
23
Water Inlet Lines
23
Drain Connections
23
Connections
24
Water Supply and Drain Line Sizing
24
Cooling Tower Applications
25
Component Identification
27
Evaporator Compartment
27
- Ice Machine Inspection
  29
- Exterior Cleaning
  29
- Cleaning the Condenser
  29
- Interior Cleaning and Sanitizing
  31
- Removal from Service/Winterization
  44
Operation
47
- Initial Start-Up or Start-Up after Automatic
  47
- Shut-Off
  47
- Freeze Sequence
  47
- Harvest Sequence
  48
- Automatic Shut-Off
  48
- Energized Parts Chart
  49
- Operational Checks
  51
- Ice Thickness Adjustment
  53
Diagnosing an Ice Machine that will Not Run
54
Troubleshooting
54
Diagnosing Ice Thickness Control Circuitry
55
Ice Production Check
58
Installation and Visual Inspection Checklist
60
Water System Checklist
61
Ice Formation Pattern
62
Safety Limit Feature
64
Analyzing Discharge Pressure
71
Analyzing Suction Pressure
73
Harvest Valve
77
Comparing Evaporator Inlet/Outlet
81
Temperatures
81
Discharge Line Temperature Analysis
82
Refrigeration Component Diagnostic Chart
84
Procedure
85
Final Analysis
86
Refrigeration Component Diagnostic Chart
87
Ice Quality Is Poor - Cubes Are Shallow
90
Incomplete or White
90
Freeze Cycle Is Long, Low Ice Production
91
Ice Machine Runs and no Ice Is Produced
92
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
  - Procedure
    114
  - Severe System Contamination Cleanup
    115
  - Procedure
    115
  - Replacing Pressure Controls Without
    117
  - Removing Refrigerant Charge
    117
  - K270 Condenser Fan Motor Access
    119
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
Wiring Diagrams
127
- K170 / K270 Wiring Diagram
  128
- Electronic Control Boards
  130
- K170/K270 Tubing Schematic
  131

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