If you do not have the knowledge to install the SCR safely then you
must arrange for a competent electrician to install it for you. Wiring
must conform to the current IEE wiring regulations.
Prior to commencing the installation you must ensure the mains
The system wiring must be able to be fully disconnected from the
mains supply by a switch incorporated in the fixed wiring having a
contact separation of at least 3mm on both poles. Fused at 3A.
The Digistat SCR (receiver) should be mounted in a convenient
position, close to the boiler or central heating system wiring centre.
(Care should be taken not to mount the SCR in a position where it
is surrounded by metal objects or mains voltage cable, as this may
interfere with the radio signal).
For the best performance install in an open space, at least 30cm
distance from any metal objects including wall boxes and boiler
It is recommended that the SCR is mounted on the wall nearest the
final location of the Digistat +RF room thermostat and not less than
30cm from the boiler side panel.
mounting single conduit box using M3.5 x 14 screws. Minimum
wallplate clearances are shown.
1. Loosen the securing screws, remove the wallplate, and if surface
wiring is to be used, snap out the cable entry strip on the bottom
edge of the wallplate with a pair of pliers.
2. Fix the wallplate, terminals at the top, either direct onto the flat
wall using wall plugs and no 6 x1” wood screws or on a flush
3. Complete the wiring to the SCR wallplate in accordance with the
relevant diagram, to comply with current IEE wiring regulations.
4. Place the SCR onto the wallplate and tighten the securing screws.
This product is double insulated and does not require an earth connection.
The SCR should be wired to the combi boiler or central heating wiring using
the correct type of cable or flex. The SCR should be wired in to replace
hard wired room or programmable thermostats shown on the system or
boiler wiring diagrams. Always check other manufacturers instructions for
The range may be aected by
composition/density and number of walls
between the Digistat +RF and SCR
Drayton Controls reserve the right
to make changes without notice
and cannot accept liability for errors.
