SMK
23
Pattress
Surface Mount Pattress For models:
123
I
, 123/9
HI
, 123/9
HILL
, 123/9
EI
, 223
I
, 223/9
I
,
223/9
ILL
, 223/9
HI
, 223/9
HILL
, 323
I
, 323/9
HI
, 323/9
HILL
Application
•
This surface mount pattress is for use with
KIDDE Fyrnetics, Hard Wired Smoke, Heat and
CO Alarms, where surface cabling is being
used, such as in retrofit applications.
Usage
•
This is designed for installation by a qualified
electrician, in accordance with the current IEE
regulations. Failure to install correctly can result
in a fatal shock or fire hazard.
•
Alarms without battery back-up must be
connected direct to the Consumer Unit on a
separately fused spur – see current Building
Regulations.
(AC models with battery back-up may be
connected off an adjacent lighting circuit).
•
Knock-outs on the underside and edge of the
pattress provide flexibility of cable entry, for
ease of use. A small rib on the edge of the
pattress lines up with a mark on the alarms
base plate, to ensure correct alignment.
•
Site and select alarm type in accordance with
manufacturer literature/manual shipped with
alarm. Also refer to Building Regulation
requirements if applicable, plus BS5839 Pt 6.
•
Isolate mains power before commencing work.
•
Never remove/refit the cable harness whilst
mains power is present.
Surface Mounting Kit
Installer’s Guide
•
Crossing line and neutral connections or line
and interconnect connections will fatally
damage all interconnected alarms invalidating
the guarantee.
•
Never Meggar Test an installation, without
disconnecting any connected alarms (this can
permanently damage the alarm and invalidates
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 1.5mm in
diameter, 3 core and earth (BS6243Y).
Important Notes
•
As in illustration 1 (on reverse), bring mains
cabling into pattress terminal block via knock-
out selected and fix pattress to ceiling with
2 screws.
(If using dry lining box, select appropriate holes
on pattress and secure with machine screws.)
•
Wire in mains cabling to terminal block, looping
“earth” in and out.
•
Connect flying leads on alarm cable harness to
appropriate terminals and ensure polarity is
correct.
•
Install and test alarm by following guidance in
Installer Manual of alarm.
smk23UM/800
