unit correctly may expose the user to shock or fire hazards.
This unit is not waterproof and must not be exposed to
dripping or splashing.
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 three knockouts – two on the sidewall and
one on the rear.
2. Screw the Relay Base to the ceiling after first removing the
required knockout and bringing the house wires through it
(see figure 1a for Ei128R & figure 1b for Ei128RBU). If the
central knockout is being used, seal around the wires with
silicone or similar to prevent air draughts affecting the smoke
entering the alarm.
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