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Manitowoc Ice
QC0700, QF2300, QF0800, QF0400 Ice Machine Sequence of Operation, Section, Part No
Models:
QF2200
QF0400
QC0700
QF0800
QF2300
1
52
150
150
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150 pages
297 b
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Troubleshooting
Specs
Install
Energized Parts Charts
Safeguard Indicator Lights
Connecting the line set
Warranty
Dimension
Accessories
Dump Valve Disassembly
Page 52
Image 52
Ice Machine Sequence of Operation
Section 4
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4-4
Part No.
80-1214-3
Page 51
Page 53
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Page 53
Contents
Flake Models QF0400/QF0800 QF2200/QF2300
Chiplet Models QC0700
Service Manual
Flake / Chiplet Model Ice Machines
Safety Notices
Procedural Notices
Read These Before Proceeding
PERSONAL INJURY POTENTIAL
Table of Contents
Section Installation Instructions
Accessories
Manitowoc Cleaner and Sanitizer
Table of Contents continued
Section Maintenance
Exterior Cleaning
Preventative Maintenance Cleaning Procedure
Table of Contents continued Section
Section Troubleshooting
Reset Procedure
SafeGuard Indicator Lights
ICE/OFF/CLEAN Toggle Switch
Compressor Electrical Diagnostics
Section Refrigeration System
6-46
Table of Contents continued
Table of Contents continued
Section General Information
How to Read a Model Number
Accessories
MANITOWOC CLEANER AND SANITIZER
General Information
Section
Model/Serial Number Location
Model/Serial Number Location
Owner Warranty Registration Card
Warranty Coverage
GENERAL
PARTS
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Section Installation Instructions
Ice Machine Dimensions
QF400 AIR COOLED ICE MACHINE
QC700/QF800 AIR COOLED ICE MACHINE
Installation Instructions
Location of Ice Machine
Ice Machine Head Section Clearance Requirements
Ice Machine Heat of Rejection
Location of Remote Condensing Unit
Leveling the Ice Storage Bin
Condenser Air Baffle
QC700/QF800 Air-CooledIce Machines Only
Air Baffle
Electrical Service
VOLTAGE
FUSE/CIRCUIT BREAKER
MINIMUM CIRCUIT AMPACITY
Electrical Requirements
For United Kingdom Only
Ice Machine Head Section
Remote Condensing Unit
QF2200 ICE MACHINE HEAD SECTION 115/60/1
QF2300 ICE MACHINE HEAD SECTION
115/60/1
230/1/50
RFC2385 REMOTE CONDENSING UNIT 208-230/1/60
Remote Electrical Wiring Connections
RFC2085 REMOTE CONDENSING UNIT 208-230/1/60
Ice Machine Head Section Water Supply and Drains
Cooling Tower Applications Water-CooledModels
POTABLE WATER SUPPLY
POTABLE WATER INLET LINES
2-10
Typical Water Supply Drain Installation
WATER SUPPLY AND DRAIN LINE SIZING/CONNECTIONS
Refrigeration System Installation
2-11
QF2200/RFC2085 AND QF2300/RFC2385 ONLY
USAGE WITH NON-MANITOWOC CONDENSING UNITS
Refrigeration Line Set Installation
2-12
Step 1 Verify Ice Machine and Remote Condensing
Unit Locations Are Within Guidelines
Service Loop
2-13
C. SUCTION LINE OIL TRAPS
Manitowoc S-TrapKit
Step 4 Connecting the line set
2-14
2-15
Open Receiver Service Valve
2-16
Torque Value’s
Step 7 Leak Check The Refrigeration System
2-17
Suction Shut Off Valve Insulation
2-18
Section Ice Machine Operation
Component Identification
ICE MACHINE HEAD SECTION QC700/QF800
QF400
Ice Machine Operation
Section
QF2300
RFC2385 Remote Condensing Unit
GENERAL
Operational Checks
WATER LEVEL CHECK
Interior Cleaning and Sanitizing
Cleaning/Sanitizing Procedure
Heavily Scaled Cleaning Procedure
EXTERIOR CLEANING
CLEANING THE CONDENSER
Air-CooledCondenser
Self-Contained Air-CooledFilter
Straighten Bent Condenser Fins
MANITOWOC’S CLEANING TECHNOLOGY
PREVENTATIVE MAINTENANCE CLEANING PROCEDURE QF400
CLEANING/SANITIZING PROCEDURE QC700/QF800/QF2300
CLEANING/SANITIZING PROCEDURE QF400
part number
3-10
only
REMOVAL OF PARTS FOR CLEANING/SANITIZING
3-11
3-12
Water Level Probe Removal
QC700/QF800
Water Reservoir Cover Removal
QF2300 Shown
3-13
Float Valve Removal
Water Reservoir Removal
3-14
Ice Diverter Removal
3-15
Ice Chute Removal
Bin Door Removal
3-16
Cabinet Removal
3-17
Dump Valve Disassembly
Water Dump Valve
Removal from Service/Winterization
3-18
WATER COOLED CONDENSING UNIT
Pry Open the Water Regulating Valve
Section Ice Machine Sequence of Operation
QF400/QC700/QF800
PRIOR TO START-UP
INITIAL START-UP1A. Flush
Ice Machine Sequence of Operation
QF2200
Remote Condensing Unit 2. Freeze
Remote Condensing Unit 3. Automatic Shut-Off
QF2300
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Section Troubleshooting
Checklist
Troubleshooting
Safeguard Feature
RESET PROCEDURE
SAFEGUARD INDICATOR LIGHTS
Troubleshooting
Analyzing Why SafeGuards May Stop the Ice Machine
SAFEGUARD MODES No Water
No Water Checklist
Gear Motor Speed Checklist
Gear Motor Speed
Temperature Sensor Checklist QF400/QC700/QF800
Temperature is Too High or Low QF400/QC700/QF800
Temperature Sensor Checklist QF2200
Temperature is Too High or Low QF2200 Only
Gear Box Removal
QF2200/QF2300
Evaporator Removal
5-10
Section Electrical System
Energized Parts Charts
Electrical System
Energized Parts Charts
Wiring Diagram Sequence of OperationL1
1B. WATER FILL
Freeze Cycle
Automatic Shut-Off
3B. DRAIN EVAPORATOR
Electrical System
Wiring Diagram Sequence of L1 Operation
6-10
6-11
6-12
6-13
6-14
6-15
6-16
6-17
RFC2085 Initial Start-Up Remote Condensing Unit
6-18
Initial Start-Up
6-19
RFC2085 Initial Start-Up
6-20
6-21
RFC2085 Freeze Cycle
6-22
QF2200 Automatic Shut-Off
6-23
RFC2085 Automatic Shut-Off
6-24
6-25
8 Minute Lockout
Wiring Diagram Sequence of Operation
6-26
6-27
RFC2385
6-28
6-29
6-30
6-31
6-32
6-33
6-34
QF2300 Automatic Shut-Off
6-35
WIRING DIAGRAM LEGEND
Wiring Diagrams
6-36
ICE MACHINE HEAD SECTION QF400
6-37
115V/60Hz/1Ph - 230V/50Hz/1Ph
6-38
QC700/QF800 115V/60Hz/1Ph - 230V/50Hz/1Ph
COMPRESSOR SECTION QC700/QF800
6-39
115/60/1 - 230/50/1
6-40
ICE MACHINE HEAD SECTION QF2200
6-41
RFC2085 230V/60HZ/1PH - 230/50/1
6-42
RFC2085 208-230V/60HZ/3PH
6-43
Diagram Shown During Freeze Cycle
ICE MACHINE HEAD SECTION
6-44
RFC2385 230V/60HZ/1PH - 230/50/1
6-45
RFC2385 208-230V/60HZ/3PH
Control Board
6-46
Component Specifications and Diagnostics
ICE/OFF/CLEAN TOGGLE SWITCH Function
Specifications
Check Procedure
6-48
MOTOR SPEED SENSOR Function
6-49
Failure Modes
6-50
WATER LEVEL PROBES Function
6-51
TEMPERATURE SENSOR Function
6-52
TEMPERATURE/RESISTANCE CHART
CONTROL BOARD RELAYS Function
6-53
MAIN FUSE Function
WATER FLOAT VALVE Function
6-54
WATER LEVEL CHECK
HIGH PRESSURE CONTROL HPCO Function
6-55
Function
6-56
FAN CYCLE CONTROL Function
COMPRESSOR ELECTRICAL DIAGNOSTICS
6-57
Check Resistance Ohm Values
Check Motor Windings to Ground
Diagnosing Start Components
6-58
Relay Operation Check
Diagnosing An Ice Machine That Will Not Run
Diagnosing A Condensing Unit That Will Not Run
6-59
QF400/QC700/QF800/QF2200/QF2300
6-60
Tubing Schematic
Section Refrigeration System
SV3082
QF2200/RFC2085
Refrigeration System
Condensing Unit
QF2300/RFC2385
Refrigeration System Diagnostics
ICE PRODUCTION/QUALITY CHECK Quality Check
BEFORE BEGINNING SERVICE
Ice Production Check
WATER SYSTEM CHECKLIST
INSTALLATION/VISUAL INSPECTION CHECKLIST
SAFEGUARDS
Discharge Pressure High Checklist
Procedure
Discharge Pressure Low Checklist
Suction Pressure Low Checklist
Suction Pressure High Checklist
ANALYZING SUCTION PRESSURE
EQUALIZATION VALVE QF2300 General
Normal Operation
Analysis
WATER REGULATING VALVE WATER-COOLEDMODELS ONLY
7-10
HEADMASTER CONTROL VALVE Function
FREEZE CYCLE OPERATION Air-CooledIce Machines
Air-CooledCondensing Units
7-11
QF400 SELF-CONTAINEDAIR COOLED
24 Hour Ice Production
Operating Pressures
QC700 SELF-CONTAINEDAIR COOLED
7-12
QC700 SELF-CONTAINEDWATER COOLED
QF800 SELF-CONTAINEDAIR COOLED
7-13
QF800 SELF-CONTAINEDWATER COOLED
QF2200/RFC2085 REMOTE AIR COOLED
7-14
QF2300/RFC2385 REMOTE AIR COOLED
Refrigerant Recovery/Evacuation and Recharging
REFRIGERANT RECOVERY/EVACUATION
Normal Self-ContainedModel Procedures
Recovery/Evacuation Connections
7-16
Recovery/Evacuation QF2200/QF2300
Connections
7-17
Self-ContainedModel Charging Procedures
Charging Connections
Remote Charging Procedures QF2200/QF2300
7-18
7-19
SYSTEM CONTAMINATION CLEAN-UP General
Determining Severity Of Contamination
Severe System Contamination Cleanup Procedure
Mild System Contamination Cleanup Procedure
7-20
7-21
7-22
Using Pinch-OffTool
SV1406
SUCTION CLEAN-UPFILTER/DRIER QF400/QC700/QF800
7-23
FILTER-DRIERS Liquid Line Filter Drier
Remote Models
REFRIGERANT DEFINITIONS Recover
New Product Specifications
7-24
Recycle
Revised 8/2003
Attend A Manitowoc Factory Service School
3.Recovered or Recycled Refrigerant
7-25
REFRIGERANT RE-USEPOLICY
1.New Refrigerant
7-26
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