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QY0285W
Manitowoc QY0285W - User Manual
175 pages
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ICE MACHINES
Q
-Mode
l
S
e
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v
ice Ma
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al
Serv
ice Ma
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Serv
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ce Manual
C
2004 Manitowoc Ice, Inc.
80-1597-3
6/04
2
Table of Contents
Main Page
Default Chapter
5
Table of Contents
5
Model Numbers
11
Ice Cube Sizes
11
Ice Cube Sizes
12
How to Read a Model Number
12
Model/Serial Number Location
12
Warranty Coverage
13
General
15
Q200 – Q1000 Ice Machines
16
Ice Machine Dimensions
17
Q1300/Q1600/Q1800 Ice Machines (Cont.)
17
Ice Storage bin Dimensions
18
S970 Ice Storage Bins
18
Remote Condenser Dimensions
18
Location of Ice Machine
19
Ice Machine Heat of Rejection
20
Stacking Two Ice Machines on a Single Storage bin
20
Leveling the Ice Storage bin
20
Air-Cooled Baffle
21
Electrical Service
21
Section 2
22
Installation Instructions
22
Self-Contained Electrical Wiring Connections
23
Remote Electrical Wiring Connections
24
Remote Ice Machine with Single Circuit Model Condenser 115/1/60 or 208-230/1/60
24
Remote Ice Machine
24
With Single Circuit Model Condenser
24
Remote Ice Machine with Single Circuit Model Condenser 230/1/50
24
Water Supply and Drain Requirements
25
Water Supply
25
Water Inlet Lines
25
Drain Connections
25
Cooling Tower Applications (Water-Cooled Models)
25
Water Supply and Drain Line Sizing/Connections
26
Remote Condenser/Line Set Installation
27
Remote Ice Machines Refrigerant Charge
27
General
28
Guidelines for Routing Line Sets
28
Calculating Remote Condenser Installation Distances
29
Lengthening or Reducing Line Set Lengths
30
Connecting a Line Set
30
Remote Receiver Service Valve
30
Remote Ice Machine Usage with Non-Manitowoc Multi-Circuit Condensers
31
Warranty
31
Head Pressure Control Valve
31
Fan Motor
31
Internal Condenser Volume
31
Condenser DT
31
Refrigerant Charge
31
Quick Connect Fittings
31
Non-Manitowoc Multi-Circuit Condenser Sizing Chart
32
Installation Check List
33
Additional Checks for Remote Models
33
Maintenance
35
Section 3
35
Component Identification
35
Operational Checks
36
General
36
Water Level
36
Ice Thickness Check
36
Harvest Sequence Water Purge
37
Cleaning the Condenser
37
Air-Cooled Condenser
37
Water-Cooled Condenser and Water Regulating Valve
38
Interior Cleaning and Sanitizing
39
General
39
Manitowoc's Patented Cleaning or Sanitizing Technology
39
Cleaning Procedure
40
Sanitizing Procedure
41
Automatic Cleaning System (Aucs")
42
Removal of Parts for Cleaning/Sanitizing
43
Water Treatment/Filtration
48
General
48
Filter Replacement Procedure
48
Removal from Service/Winterization
49
General
49
Self-Contained Air-Cooled Ice Machines
49
Water-Cooled Ice Machines
49
Remote Ice Machines
49
Aucs" Accessory
49
Q200/Q280/Q320/Q370/Q420/Q450/Q600/Q800/Q1000/Q1300/Q1600/Q1800 . 4-1
51
Self-Contained Air- and Water-Cooled
51
Initial Start-Up or Start-Up after Automatic Shut-Off
51
Freeze Sequence
51
Harvest Sequence
52
Automatic Shut-Off
52
Remote
53
Q450/Q600/Q800/Q1000/Q1300/Q1600/Q1800
53
Initial Start-Up or Start-Up after Automatic Shut-Off
53
Freeze Sequence
53
Remote Q450/Q600/Q800/Q1000/Q1300/Q1600/Q1800
53
Harvest Sequence
54
Automatic Shut-Off
54
Initial Start-Up or Start-Up after Automatic Shut-Off
55
Freeze Cycle
55
Water Inlet Valve Safety Shut-Off
55
Harvest Cycle
56
Automatic Shut-Off
56
Energized Parts Charts
57
Self-Contained Air- and Water-Cooled Models
57
Initial Start-Up or Start-Up after Automatic Shut-Off
57
Remote Models
58
Initial Start-Up or Start-Up after Automatic Shut-Off
59
Wiring Diagram Sequence of Operation
59
Self-Contained Models
59
Wiring Diagrams
73
Wiring Diagram Legend
73
Q200/Q280/Q320 - Self Contained - 1 Phase with Terminal Board
74
Q280/Q370 - Self Contained - 1 Phase Without Terminal Board
75
Q320 - Self Contained - 1 Phase Without Terminal Board
76
Q420/Q450/Q600/Q800/Q1000 - Self Contained
77
Phase with Terminal Board
77
Q420/Q450/Q600/Q800/Q1000 - Self Contained
78
Phase Without Terminal Board
78
Q800/Q1000 - Self Contained - 3 Phase with Terminal Board
79
Q800/Q1000 - Self Contained - 3 Phase Without Terminal Board
80
Q1300/Q1800 - Self Contained - 1 Phase with Terminal Board
81
Q1300/Q1600/Q1800 - Self Contained - 1 Phase Without Terminal Board
82
Q1300/Q1800 - Self Contained - 3 Phase with Terminal Board
83
Q1300/Q1600/Q1800 - Self Contained - 3 Phase Without Terminal Board
84
Q450/Q600/Q800/Q1000 - Remote - 1 Phase with Terminal Board
85
Q450/Q600/Q800/Q1000 - Remote - 1 Phase Without Terminal Board
86
Q800/Q1000 -Remote - 3 Phase with Terminal Board
87
Q800/Q1000 -Remote - 3 Phase Without Terminal Board
88
Q1300/Q1800 - Remote - 1 Phase with Terminal Board
89
Q1300/Q1600/Q1800 - Remote - 1 Phase Without Terminal Board
90
Q1300/Q1800 - Remote - 3 Phase with Terminal Board
91
Q1300/Q1600/Q1800 - Remote - 3 Phase Without Terminal Board
92
Component Specifications and Diagnostics
94
Main Fuse
94
Bin Switch
94
Compressor Electrical Diagnostics
96
PTCR Diagnostics
97
ICE/OFF/CLEAN Toggle Switch
100
Control Board Relays
100
Electronic Control Board
101
Ice Thickness Probe (Harvest Initiation)
103
How the Probe Works
103
Harvest/Safety Limit Light
103
Freeze Time Lock-In Feature
103
Maximum Freeze Time
103
Ice Thickness Check
103
Diagnosing Ice Thickness Control Circuitry
104
Water Level Control Circuitry
106
Water Level Probe Light
106
Water Inlet Valve Safety Shut-Off
106
Freeze Cycle Circuitry
106
Harvest Cycle Circuitry
106
Diagnosing Freeze Cycle Potable Water Level Control Circuitry
107
Diagnosing an Ice Machine that will Not Run
110
Section 7
113
Refrigeration System
113
Sequence of Operation
113
Self-Contained Air or Water -Cooled Models
113
Remote Models
115
Q1300/Q1600/Q1800 Refrigeration Tubing Schematics
118
Operational Analysis (Diagnostics)
120
General
120
Before Beginning Service
121
Ice Production Check
121
Installation/Visual Inspection Checklist
122
Water System Checklist
122
Ice Formation Pattern
123
Safety Limits
125
Analyzing Discharge Pressure During Freeze or Harvest Cycle
129
Analyzing Suction Pressure During Freeze Cycle
130
Single Expansion Valve Ice Machines - Comparing Evaporator Inlet and Outlet Temperatures
132
Harvest Valve Temperature Check
133
Discharge Line Temperature Analysis
134
How to Use the Refrigeration System Operational Analysis Tables
136
Refrigeration System Operational Analysis Tables
137
Harvest Pressure Regulating (H.P.R.) System
139
Headmaster Control Valve
142
Pressure Control Specifications and Diagnostics
144
Fan Cycle Control
144
High Pressure Cut-Out (HPCO) Control
144
Cycle Time/24 Hour Ice Production/Refrigerant Pressure Charts
145
Q200 Series
145
Q280 Series
146
Q320 Series
147
Q370 Series
148
Q420/450 Series
149
Q450 Series
150
Q600 Series
150
Q800 Series
152
Q1000 Series
153
Q1300 Series
155
Q1600 Series
156
Q1800 Series
157
Refrigerant Recovery/Evacuation and Recharging
159
Normal Self-Contained Model Procedures
159
Normal Remote Model Procedures
161
System Contamination Clean-Up
165
Replacing Pressure Controls Without Removing Refrigerant Charge
167
Filter-Driers
169
Total System Refrigerant Charges
169
Refrigerant Definitions
170
Refrigerant Re-Use Policy
171
HFC Refrigerant Questions and Answers
172
Other manuals for Manitowoc QY0285W
Use And Care Manual
56 pages
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Manitowoc QY0285W Specifications
General
Model
QY0285W
Ice Type
Cube
Condenser Type
Air-Cooled
Water Connection
3/8" FPT
Refrigerant
R-404A
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