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MVE 1426
CHART MVE 1426 User Manual
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Chart Cry
og
enic Freezers
w
ith
M
VE TEC3000 Con
troll
ers
Operating and M
aintenance Manual
2
Table of Contents
Table of Contents
3
1 Preface
2
Table of Contents
3
Rev G
5
3 Safety and First Aid
6
4 Certifications and Listings
9
5 Product Information
10
MVE Freezer Models
10
MVE High Efficiency / Vapor Series
11
MVE Series
12
MVE Stock Series
13
MVE Cabinet Series
14
MVE Heco Series
15
Plumbing Assembly
17
TEC 3000 Display
22
TEC 3000 Stand Alone Back Panel / Physical Connections
23
Specifications
26
Operating Environment
27
6 Installation and Startup
28
7 Operation
32
Functions and Features
33
Liquid Nitrogen Level Measurement
34
Automatic Liquid Nitrogen Level Control
35
Liquid Nitrogen Usage
36
Temperature Measurement
37
User Defined Alarms
38
Remote Alarm Monitoring
40
Passwords / Security
41
Communication / Networking Capabilities
42
Event Log and Event Codes
43
Lid Switch
45
Hot Gas Bypass
46
Battery Backup (Optional)
47
Adjusting Settings and Options
48
Enable / Disable Sensors
49
Temperature Settings
49
High Temperature Alarm Test
50
Temperature Alarm Settings
51
Liquid Nitrogen Saturation Temperature
53
Level Setpoints and Alarms
54
Liquid Level Settings
54
Enable / Disable Auto Fill Control
55
Level Offset
56
Additional Feature Settings
57
Battery Backup Status
57
Hot Gas Bypass Settings
58
Stuck Valve Alarms
59
Lid Switch Settings
60
Display and Output Settings
61
Temp and Level Display Units
61
Liquid Usage Display
62
Alarm Buzzer
63
Languages
64
Printer
65
Advanced Settings
66
Timed Filling
66
Maximum Fill Time
68
Time and Date
69
COM Setup / Type
71
Communication Settings
71
Modbus ID
72
One Fill All Fill (OFAF)
73
Restore Default Settings
74
Global Password
75
Restart Controller
76
Firmware Update
77
Firmware Update
78
Password / Security Setup
79
Password Entry Mode
79
Global Password Change
80
Multilevel Passwords
81
Calibration Procedures
82
Temperature Sensor Calibration
82
Single Point Calibration
83
Two Point Calibration
84
Liquid Nitrogen Level Calibration
86
Hot Gas Single Point Calibration
91
Hot Gas Two Point Calibration
92
Communication / Networking
93
TEC Connect (Computer Interface)
94
OFAF Network Setup
98
Printer Setup
101
Remote Alarm Tests
102
Discrete Contacts
102
Global Remote
102
8 TEC 3000 Menu Maps
103
Main Setup Menus
103
Temperature Setting Menus
104
Temperature Calibration Menus
105
Add on Menus
106
Hot Gas Bypass Sensor Calibration Menus
107
Display and Output Menus
108
Liquid Level Menus
109
Liquid Level Calibration Menus
110
Advanced Settings Menus
111
Password Menus
112
TEC 3000 Display Screens
113
9. Preventative Maintenance 9.1. Preventative Maintenance Schedule
114
9 Preventative Maintenance
114
Preventative Maintenance Schedule
114
Preventative Maintenance Procedures
115
Level Verification
115
Verify Adequate Supply
115
Plumbing Leak Check
116
High Temp Alarm Test
116
Level Alarm Test
117
Folding Step Inspection
118
Lid Hinge Inspection
118
Inline Filter Replacement
118
Complete Function Test
119
Solenoid Valve Replacement (Fill, Bypass, Purge)
119
Relief Valve Replacement
121
Lid Gasket Replacement
122
Complete Freezer Thaw and Moisture Removal
125
Preventative Maintenance Procedures
126
Heco TEC3000 (Back and Front Panel) Replacement
139
Replacement Parts and Accessories
140
10 Troubleshooting Quick Reference
142
11 EN Compliance Tables
144
12 Appendix
148
Reference Tables
148
4
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CHART MVE 1426 Specifications
General
Model
MVE 1426
Type
Freezer
Capacity
1426 liters
Power Supply
220-240V, 50Hz
Refrigerant
Nitrogen
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