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6. Initial Testing and Checking of Alarm
•
Before powering up/testing CHECK THAT WIRING POLARITY is correct & all
connections are tight. REVERSING POLARITY will fatally damage all inter-
connected alarms, and damage is not covered by the Guarantee. Slide alarm
fully home on base plate before powering up, to prevent arcing across the
contact blades.
•
Having energised circuit, press and hold the test button again – the alarm should
sound and other interconnected ones also, within a few seconds.
•
Do this for all alarms.
•
If any do not sound, isolate mains and recheck cabling.
•
On optical alarms, if the red L.E.D. blinks every 30-40 seconds and the alarm
chirps in between, it indicates failure of the sensing chamber - replace alarm.
•
Advise the house-holder (if present) as to how to test the alarms.
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Battery Changing
•
Loose battery models (battery changing) See section 12
•
Reconnect mains supply and check green L.E.D. is lit – red L.E.D. will flash intermit-
tently.
GREEN LED
RED LED
•
A maximum of 24 Kidde devices may be interconnected in a multiple station arrange-
ment. The interconnect system should not exceed 12 Smoke Alarms and/or 18
Alarms total (Smoke, Heat, CO and etc). With 18 alarms interconnected up to 6
alarm accessories (relay modules, visual signaldevice and etc.).
•
Crossing line and neutral connections or line and interconnect connections will fatally
damage all interconnected alarms invalidating the guarantee.
•
All interconnected alarms must be powered off the same fuse/circuit breaker.
Total cable length between alarms must not exceed 250m (273yds) and be 1.0mm in
diameter, 3 core and earth (BS6243Y). Wiring must conform to the
IEE regulations - BS7671, or latest edition.
These smoke/heat alarms are Interconnectable with Kidde Rechargeable CO Alarm
models 423D/9hir & 423/9hir.but will not respond to a CO interconnect alarm
signal.These alarms will trigger the interconnected hard wired CO alarms with a
deferential sounder
7. Interconnecting
Line
Neutral
Interconnect (I/O)*
* Interconnect only — if single alarm installation, leave unconnected the I/O terminal.
These are double insulated products and do not need earthing: never use
earth conductor to interconnect – use 3 core and earth cable. Use
black in 3 core & earth cabling, for interconnect line.
If installing using old cabling (different colors), take great care / follow IEE Reqs.
House Cabling Refer to IEE Reqs
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