Bender MarinaGuard - Table of Contents

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MarinaGuard © 2023 Bender Inc. All Rights Reserved
Table of Contents
1. Introduction......................................................................................... 4
1.1 MarinaGuard ....................................................................................... 4
1.2
Monitored Circuit .............................................................................. 4
1.3 Current Transformers....................................................................... 4
2. Safety Instructions.............................................................................. 5
2.1 General Safety Warning .................................................................. 5
2.2 Using This Manual............................................................................. 6
3. Installation and Connection ............................................................. 7
3.1 Internal Components....................................................................... 7
3.2 Dimensions.......................................................................................... 8
3.3 Mounting ............................................................................................. 9
3.4 Conduit ............................................................................................... 9
3.5 Wiring - General Instructions ...................................................... 10
3.5.1 Wire Size and Type ......................................................................... 10
3.5.2 Wire Strip Length ............................................................................ 10
3.5.3 Recommended Tightening Torque ......................................... 10
3.6 Wiring ................................................................................................. 11
3.6.1 Control Power and Ground Connections .............................. 11
3.6.2 Current Transformer Connection ............................................. 12
3.6.3 External Trip Circuit Connection ............................................... 13
3.6.4
Wiring Block Diagram Reference .............................................. 14
3.7
Current Transformer Installation .............................................. 15
3.8
Field Adjustments - MG1.2 ......................................................... 16
3.8.1
RCM420 Ground-Fault Relay ..................................................... 16
3.8.2
Main Alarm ....................................................................................... 16
3.8.3
Pre-Trip Alarm ................................................................................. 16
3.8.4
Time Delay ....................................................................................... 16
3.8.5
Digital Display ................................................................................ 16
3.8.6
RCM420 Interface Elements ...................................................... 17
3.8.7
Using the Push Buttons .............................................................. 18
3.8.8
Password Protection ................................................................... 18