Ei Electronics Ei 261EN - Manual (Page 16)

INSTALLATION PROCEDURE
(1) Select a location complying with the above advice.
(2) Disconnect the AC mains supply from the circuit that is going to be used.
(3) The house wiring must be connected to the terminal block on the mounting plate as follows:
L: Live - connect to the house wires coloured brown or marked L.
N: Neutral - connect to the house wires coloured blue or marked N.
IC: Interconnect - If you are only installing one alarm do not connect any cable to the IC terminal.
See below for information on interconnecting.
Warning: Mixing Live & Neutral wires will damage interconnected alarms.
Do not use an earth wire for the interconnect line. Use a suitably coloured core, with the ends marked
if necessary, for the interconnect that will not be confused with the live or neurtal cores.
(4) Lift off the wiring cover as shown in Figure 5.
N.B. The Alarm does not need to be earthed. However the terminal marked is provided for the con-
venience of the installer so that any copper earth wire or cable coloured green or green & yellow, can be
safely terminated.
(5) If the mains wires are being brought along the surface, conduit can be inserted into the top and/or
bottom, for the cable.
(a) position the mounting plate, so that the cable conduit is as shown in Figure 5.
(b) Carefully cut around the knockout on the outside wall so the conduit fits. (Note: to comply with the
BS EN 60529, IPX2D protection rating, seal around conduit with silicone rubber or similar to prevent
water entering).
(6) If the mains wires are recessed, bring the wires through the rear hole in the mounting plate as shown
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B15404-R0-261EN-UC-ENG 31/5/07 2:01 PM Page 16