ABB Arc Guard System TVOC-2 Installation And Maintenance Manual page 6

Draft, ne pas diffuser Tue Dec 18 2018 15:16:42 GMT+0100 (Romance Standard Time)
6
1.1 Introduction
This is a appendix to Arc Guard System™, TVOC-2
Installation and maintenance guide, which shows
operation connections between the TVOC-2 and the
Current Sensing Unit (CSU).
This appendix shows connection of Fibre cables and
Detectors, how to control, diagrams and layouts.
CAUTION
Risk of Electric Shock. Do not remove any current
range bridge connection when current circuits
are live!
WARNING
Safe working methods must be used to prevent
injuries. The safety equipment must not be
disengaged, bypassed or in any other way
modified so that the safety effect ceases.
INFORMATION
For further information about installation and
maintenance for the Arc Guard System,
see manual;
Arc Guard System™, TVOC-2 Installation and
maintenance guide 1SFC1700011M0201
1.2 Mounting of the component
This chapter describes how to mount the TVOC-2 and
the CSU. For mounting details of the TVOC-2 and the CSU,
see: Chapter 4, Mounting on page 24 in
Arc Guard System™, TVOC-2 Installation and
maintenance guide 1SFC1700011M0201.
1. Mount the Units
The TVOC-2 and the CSU should be mounted
according to figure 1.
The flange opening shall be facing downwards,
inside a cubicle, separately on a wall or stand.
1
Loosen 2x screws on the CSU box.
2
Open the hatch of the CSU box.
2. Earth the component
1
Earth the component according to figure 2.
ABB
CURRENT SENSING UNIT INSTALL ATION AND MAINTENANCE GUIDE
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1.2-1
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1.2-2