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Basic Wired Zones
Normally Open Zones/Normally Open EOLR Zones
1. Connect open circuit devices in parallel across the
loop; for EOLR zones, connect the EOLR across the
loop wires at the last device.
2. Enable normally open/EOLR zones using Zone
Programming mode, “Hardwire Type” prompt.
Normally Closed Zones/Normally Closed EOLR Zones
1. Connect closed circuit devices in series in the high (+)
side of the loop; for EOLR zones, connect the EOLR in
series following the last device.
2. Enable normally closed/EOLR zones using Zone
Programming mode, “Hardwire Type” prompt..
Double-Balanced:
Connections as shown (resistors
provided for one device in selected models); maximum of 8
sensors on each double-balanced zone.
IMPORTANT:
Double-balanced zones provide unique
tamper signalling on the same 2 wires used for alarm
signalling, and should be used as burglary or emergency
zones only. Do not use double-balanced zones as fire
zones.
Zone Doubling:
Connections as shown (resistors
provided).
2k
2k
2k
ZONE 3
2k
2k
2k
ZONE 4
12
13
14
z
one-002-V0
TAMPER
CONTACTS
TAMPER
CONTACTS
10
11
6.2k
ZONE 10
3k
ZONE 2
z
one-004-V0
Double Balanced Zones
Zone Doubling
Notes
•
EOLR:
If the EOLR is not at the end of the loop,
the zone is not properly supervised and the system
may not respond to an “open” on the zone.
•
Zone 1 is intended only for EOLR usage.
Zone Doubling:
This feature provides two unique zone
identifications for normally closed sensors
connected to each basic wired zone (but does not
increase the total number of zones supported by
the control). Do not use zone doubling for fire
zones. If enabled (Zone Programming mode,
“Hardwire Type” prompt, option “3”), basic wired
zones are automatically paired as follows:
Zone Paired with zone
1
9
2
10
3
11
4
12
5
13
6
14
7
15
8
16
NOTE:
A short across the EOL (i.e., at terminal)
on either zone of a zone-doubled pair or on a
double-balanced zone causes a tamper condition
(displayed at keypad as CHECK)
.
Smoke Detectors
4-Wire Smoke Detectors
Connect 4-wire smoke detectors (up to 16, depending
on detector current draw) to any zone from 1-8 as
shown on the next page. This control does not
automatically reset power to 4-wire smoke detector
zones, so you must use a relay (e.g., 4204, 4229), or
on-board trigger 17 to reset power (also required for
fire verification). Do this by programming the
designated relay/trigger as zone type 54 (fire zone
reset); see On-Board Trigger section for other
information.
Notes
••••
Fire Verification (zone type 16):
The control
panel will “verify” a fire alarm by resetting the
smoke detectors after the first alarm trigger, and
then waiting 90 seconds for a second alarm
trigger. If the smoke detector does not trigger
again, the control will disregard the first trigger,
and no alarm signal will occur. This feature
eliminates false alarms from smoke detectors
due to electrical or physical transients.
•
Maximum current for trigger 17 output for 4-
wire smoke detectors is 300mA.
Installation Instructions
2-6
Содержание ADEMCO VISTA-48A
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