14
240 vac. Refer to figure 6 for a diagram of
the TB1 terminal board.
Caution: Verify that the monitor is
designed for the appropriate line
voltage. Connection of the
incorrect voltage will damage the
unit.
Figure 6.
Connect primary power to TB1 as follows:
1. Connect Earth Ground to TB1-1
2. Connect AC Line to TB1-2
3. Connect AC Neutral or Common to
TB1-3
It is strongly recommended that power be
supplied from a two-pole circuit breaker,
located in reasonable proximity to the
system. Power MUST NOT be supplied by
plugging into a wall socket. The unit is a
continuous monitor, and as a continuous
monitor should be provided dedicated,
permanent power. If a wall socket is used,
there is a risk that the unit will inadvertently
be unplugged, putting it off-line.
Electrical Alarm Connections
Relay Connections:
The IR-SNIF-MCD
monitor alarm relay sockets have four sets
of NO/NC dry contacts. Refer to figure 7 for
a diagram of the relay socket.
Figure 7.
The terminals are grouped as follows:
Terminal 9 = Common
Terminal 1 = NC
Terminal 5 = NO
Terminal 10 = Common
Terminal 2 = NC
Terminal 6 = NO
Terminal 11 = Common
Terminal 3 = NC
Terminal 7 = NO
Terminal 12 = Common
Terminal 4 = NC
Terminal 8 = NO
Caution: Ensure that external
relay connections do not touch
relay control terminals 13 and 14.
A short circuit from the alarm
wiring to the relay control wiring
could damage the monitor, the
alarms or both.
TB2 Relay Interface:
One set of contacts
from each relay is wired to TB2 terminal
board to allow easier connection of field
wiring. The normally open contact, and
common contact of each relay is wired to
Содержание IR-SNIF-MC-1
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