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MD1000A
Manitowoc MD1000A User Manual
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64
Part Number
040005626 5/
17
Refri
geration Syste
m
•
No
n- OEM
comp
onent
s
•
Impro
per refri
gerant
charge
•
Def
ect
i
ve co
mpr
esso
r
•
TX
V st
arving
or floo
ding (che
ck bu
lb mou
nting)
•
Non
-
con
den
si
ble
in
ref
ri
ger
ati
o
n syst
em
•
Plugg
ed or re
strict
ed high
side refri
gerant
lines
or
com
ponen
t
•
D
efe
cti
ve
har
ve
st v
al
ve
63
65
Table of Contents
Safety Notices
3
Table of Contents
9
General Information
13
Model Numbers
13
How to Read a Model Number
14
Ice Machine Warranty Information
15
Commercial Warranty Coverage
15
Residential Warranty Coverage
18
Installation
21
Location of Ice Machine
21
Ice Machine Clearance Requirements
22
Clearance Requirements
22
Ice Machine Heat of Rejection
23
Leveling the Ice Machine
23
Electrical Requirements
24
Water Service/Drains
25
Water Supply
25
Water Inlet Lines
25
Drain Connections
26
Cooling Tower Applications
26
Maintenance
29
Interior Cleaning and Sanitizing
29
General
29
Cleaning and Sanitizing Procedure
29
Toggle Switch Operation
30
Remove Parts for Cleaning
34
Preventative Maintenance Cleaning
36
Ice Machine Inspection
37
Cleaning the Condenser
38
Removal from Service/Winterization
39
Air-Cooled Models
39
Water-Cooled Models
39
Ice Making Sequence of Operation
41
Control Board Timers
42
Safety Limits
43
Energized Parts Chart
45
Operational Checks
47
Ice Thickness Check
47
Troubleshooting
49
Control Board Test Mode
49
Diagnosing an Ice Machine that will Not Run
50
Ice Machine Does Not Cycle into Harvest When Water Loses Contact with the Harvest Float Switch
51
Ice Machine Cycles into Harvest before Water Loses Contact with the Harvest Float Switch
53
Ice Production Check
54
Installation/Visual Inspection Checklist
55
Water System Checklist
56
Ice Formation Pattern
57
Safety Limits
60
Analyzing Discharge Pressure
67
Analyzing Suction Pressure
69
Harvest Valve
73
Comparing Evaporator Inlet/Outlet Temperatures
77
Discharge Line Temperature Analysis
78
Refrigeration Component Diagnostics
80
Final Analysis
82
Refrigeration Component Diagnostic Chart
83
Component Check Procedures
87
Main Fuse
87
Bin Switch
88
Float Switch
90
Compressor Electrical Diagnostics
92
Fan Cycle Control
94
High Pressure Cutout (HPCO) Control
95
Refrigeration Components
96
Head Pressure Control Valve
96
Harvest Cycle Operation
97
Harvest Pressure Regulating (HPR) System Remote Condenser Only
100
Water Regulating Valve
103
Refrigerant Recovery/Evacuation
104
Definitions
104
Refrigerant Re-Use Policy
105
Recovery and Recharging Procedures
107
System Contamination Cleanup
110
Determining Severity of Contamination
110
Mild System Contamination Cleanup Procedure
112
Severe System Contamination Cleanup Procedure
113
Replacing Pressure Controls Without Removing Refrigerant Charge
114
Refrigerant Amount
116
Cycle Times, 24 Hr. Ice Production and Refrigerant Pressure Charts
117
M0420A Self-Contained Air-Cooled
118
M0500A Self-Contained Air-Cooled
119
M0500W Self-Contained Water-Cooled
120
M0700A Self-Contained Air-Cooled
121
M0700W Self-Contained Water-Cooled
122
M1000A Self-Contained Air-Cooled
123
M1000W Self-Contained Water-Cooled
124
M1400A Self-Contained Air-Cooled
125
Wiring Diagrams
127
Wiring Diagram Legend
127
M0420,M0500, M0700, M1000 1 PH Self- Contained Air/Water-Cooled
128
Electronic Control Board
129
Refrigeration Tubing Schematics
130
Self-Contained Air or Water-Cooled
130
4
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Manitowoc MD1000A Specifications
General
Brand
Manitowoc
Model
MD1000A
Category
Ice Maker
Language
English
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