Installation Instruction 66571764GB3 Fire Detection 23
Schneider Electric Pelco Finland Oy Kalkkipellontie 6, 02650 Espoo, Finland Telephone: +358 10 446 511 Fax: +358 10 446 5103 www.pelco.com/nordic
Document Number 66571764GB3 16 2012
© 2009 Schneider Electric. All rights reserved.
11.2 Connecting the loop to the control panel
Each FX-SLC and FX–ALCB board has connectors for two loops, FX-ALCA board has only one loop.
1. Check that all power has been disconnected from the
control panel.
2. If shielded cable is used, connect the shield to the nearest
earth screw in the back plate.
3. Connect the loop wires to the LOOP terminals of the
SLC/ALC board.
Outgoing end to terminals A+ and A-.
Return end to terminals B+ and B- .
Loop 2
A+ A-
Loop 2
B+ B-
Loop 1
A+ A-
Loop 1
B+ B-
11.3 Functional check of the loop
1. Start the control panel by switching the power on.
First connect the transformer cable, then the
battery cable.
2. Wait until the text “PANEL STARTING UP” disappears
from the display (about 3 minutes).
3. Verify in the panel display that all addresses are indeed
found by selecting “Loops/Address points” from the menu,
and stepping through all addresses in all loops. (This is
not necessary if the panel is configured).
The text ‘Panel starting up’ disappears from
the bottom of the display.
The detector loop is in order if the control panel does not give fire, fault or service indications at the start up.
Otherwise the fault must be located by following the instructions below.
4. If the panel indicates fire alarm, press the “BUZZER
SILENCE” button, scroll the alarm indications with the
“MORE ALARMS”- button and note them.
5. Eliminate the causes of fire alarm and reset the
indications by pressing the “RESET”- button until the
pulsed signal stops.
6. Repeat the above mentioned procedures until there are
no more fire alarms.
Possible causes for fire alarm:
- A manual call point is pressed down; the
glass has been broken or taken off.
- A manual call point or another device
connected to the input of an addressable
monitoring unit is in active state.
- Smoke, water vapour or thick dust in a
smoke detector.
- Heat close to a heat detector.
7. If the panel indicates fault or maintenance warning press
the “BUZZER SILENCE” button, scroll the indications with
the “MORE ALARMS”- button and note them.
8. Eliminate the causes of fault and maintenance warnings
and reset the indications by pressing the “RESET”- button
until the pulsed signal stops.
9. Repeat the above mentioned procedures until there are
no more fault and maintenance warnings.
Possible causes for fault or maintenance
warnings:
- A break or a short circuit in the loop. See
below for how to find the fault.
- An earth leak in the loop. See below for
how to find the fault.
- An address fault in the loop. See table
below for possible address fault
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