Danfoss VLT PTC Thermistor Card MCB 112, Operating Manual

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1
1.1
1.2
1.3
1.4
1.5
1.5.1
1.5.1.1
1.5.2
1.5.3
1.5.4
1.5.5
1.5.6
1.5.7
1.5.8
1.6
1.6.1
1.6.2
1.6.3
1.7
1.7.1
1.7.2
2
2.1
2.2
2.3
2.4
2.5
3
3.1
3.2
3.3
3.4
3.5
3.6
Contents
Introduction 6
Purpose of this Operating Guide 6
Additional Resources 6
Version History 6
Products Covered 6
Functional Overview 6
Intended Use 6
Markings of the Drive 7
Foreseeable Misuse 7
Thermal Motor Protection 7
ATEX ETR Thermal Monitoring 7
Tripping Function 8
Safe Separation 8
Safe Disconnection Principle 8
Safe Disconnection Principle Diagram 8
Motor Requirements 9
Motor Limits and Rules 9
Additional Motor Requirements 9
Approvals and Certifications 9
Abbreviations and Conventions 9
Abbreviations 9
Conventions 10
Safety 11
Safety Symbols 11
Qualified Personnel 11
Responsibilities of Users of Safety-related Power Drive Systems PDS (SR) 11
Protective Measures 11
Safety Precautions 12
Installation 13
Safety Instructions 13
Installing the VLT® PTC Thermistor Card MCB 112 13
Sensor Circuit Wire Requirements 14
Connecting Sensor Circuit Wires 15
Maximum Current on MCB 112 16
Wiring of STO 16
AQ267038105120en-000101/130R0104 | 3 Danfoss A/S © 2022.08
Contents
VLT® PTC Thermistor Card MCB 112
Operating Guide