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ABB HM/A 1.1 Manual page 3

Fire alarm systems

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TECHNICAL DATA
Connection
LEGEND
  1 Zone
  2 First Manual Call Point
  3 Next Manual Call Point
  4 Last Manual Call Point
  5 Floating changeover contact S2
  6 Termination resistor
The figure shows how to connect the Manual Call
Points to a zone. Each wire is connected individually
to the designated terminal. If shielded cables are
used, the shield of the incoming and outgoing ca-
bles must be looped through using suitable means
(e.g. micro cable connecting terminals).
Two holders for fastening micro cable connecting
terminals are available on the right-hand side of the
control unit.
Ensure the system compatibility of the products.
HM/A 1.1, HM/A 2.1 | 9AKK107991A0084 EN Rev. A 3

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Hm/a 2.1