®
Professional
Pattress Models EI 127 & EI 127R
For use only with EI 140, 141, 144, 145, 146, 161, 161R,
164, 166, 166R Easi-Fit Smoke/Heat Alarms
The Smoke/Heat Alarm is mounted on the EI 127 & EI 127R.
The EI 127 pattress facilitates installation of bulky wiring and conduits.
The EI 127R has an additional socket for connecting to the R spade termi-
nal on the EI161R or EI 166R. This can be used for remote test & hush or
manual call points.
WARNING: This pattress must only be used with one of the above smoke
alarms as per these instructions - otherwise the unit will not comply with
the mandatory safety regulations.
Installation
WARNING: First disconnect the mains from the circuit to be used.
1.Choose a mounting position following the siting instructions in the
Smoke/Heat Alarm leaflet. Where the incoming wiring is on the surface of
the ceiling, the appropriately sized ducting/conduit must be chosen to
mate with the unit. Use a sharp knife to remove material from the selected
knockout, making sure that there is no gap when mated with ducting / con-
duit. There are three knockouts – two on the sidewall and one on the rear.
Figure 1
CONDUIT
FOR EI161R/166R
REMOTE CONTROL ONLY
CONNECT TO SMOKE ALARM
MOUNTING PLATE TERMINALS
- EARTH (IF PRESENT)
- NEUTRAL
N
IC - INTERCONNECT
L
- LIVE
R
KNOCKOUT
KNOCKOUT
L
IC
N
FOR MOUNTING PLATE
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