Ei Electronics Ei127 Quick Start Manual

Pattress Models Ei127 & Ei127R
For use only with Ei140, 141, 144, 145, 146, 161, 161R,
164, 164R, 166, 166R Easi-Fit Smoke/Heat Alarms
The Smoke/Heat Alarm is mounted on the Ei127 & Ei127R.
The Ei127 pattress facilitates installation of bulky wiring and con-
duits.
The Ei127R has an additional socket for connecting to the R
spade terminal on the Ei161R, Ei164R or Ei166R. 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.
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 / conduit. There are four
knockouts – three on the sidewall and one on the rear.
SURFACE
CONDUIT
CABLE
ENTRY
Ei161R/164R/166R
REMOTE CONTROL ONLY
L IC N
2. Screw the pattress to the ceiling after first removing the
required knockout and bringing the house wires through it (see
figure 1). Use the longer screws and plasterboard anchors from
the Smoke Alarm pack for this task. If the central knockout is

Installation

REAR
KNOCKOUT
Figure 1
CONNECT TO SMOKE / HEAT ALARM
MOUNTING PLATE TERMINALS
R
FOR MOUNTING PLATE
1
EARTH - (IF PRESENT)
N - NEUTRAL
IC - INTERCONNECT
L - LIVE
KNOCKOUT