VAMP 220 / 220R
Arc protection system
User manual
VAMP Ltd
24
Vamp 24h support phone : +358 (0)40 573 6316
VM220.EN004
5.3.
Installing master unit VAMP 220/220R
5.3.1.
Mounting master unit VAMP 220/220R
The master unit is designed for door mounting. It can be
delivered with optional spacing adapters if the installation
depth is critical.
Figure 5.3.1-1 Mounting the master unit.
5.3.2.
Wiring the master unit, overview
The master unit requires the following wirings:
•
secondary circuits of the current transformers of the
switchgear
•
trip circuits of the circuit-breakers
•
alarm circuits
•
auxiliary supply circuits
•
protective earthing
•
connections to slave units (data communication and
possibly separate auxiliary supply)
•
connections to other master units (if the system
comprises several communicating master units).
The five first mentioned connections are described in the next
sub-sections. The connections to slave units and other master
units will be described in sections 5.4 and 5.7 respectively.
See the example in Figure 5.3.2-1, and the block diagram in
Figure 5.3.7-1.