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Installation procedure

1. Please read these notes carefully before commencing work.

In case of doubt please consult a qualified electrician.

2. POSITIONING: The CESRAPIRSD should be installed to achieve

correct coverage of the area, see diagram A. If the photocell override

facility is required, the switch must be located above an area where

daylight can give greater illumination than the artificial light. Avoid

locating this product where it is exposed to windy or drafty conditions

(exposed lobbies, open ceiling voids or near ventilation fans) or

near heat sources. To cover large areas CESRAPIRSDs should be

spaced in a 5 metre grid formation.

3. The greatest energy savings will be made if each CESRAPIRSD

controls an independent set of lamps. They can be wired in parallel

but this should ideally be limited to three, see diagram D.

4. Make sure the power is isolated from the circuit. The

CESRAPIRSD should be connected as shown in diagrams C & D:

L - Live in. N - Neutral in. SW

5. Knockout or drill the appropriate holes on the mounting plate for

attaching the plate to the ceiling or back box (if applicable). Feed

cables through the appropriate (side or rear) entry hole. Screw the

back mounting plate to the ceiling or back box via the mounting

holes. Wire the cables into the sensor head block terminal. Push

the sensor head onto the mounting plate and align the side clips

with the slots on the sensor heads.

Start-up mode

When the CESRAPIRSD is powered up, it will switch on the load for 1

minute, the load will then switch off and the CESRAPIRSD will enter

its Operating Mode.

Time and Lux set-up

For convenience, ensure that the TIME is set to the minimum when

setting up the LUX level. Afterwards set the TIME to a value suitable

for the application, making reference to diagram B.

The LUX is best set up when the local ambient light is at approximately

the minimum desired working light level. With the LUX set fully clockwise

wait for the CESRAPIRSD to switch off. Step the LUX adjuster slowly

anticlockwise (- to +), at each position operate the momentary wall

switch and continuing until the lamps switch on.

- Switch input. SL - Switched Line out.

A: Detection diagram

For optimum coverage

recommended mounting

height: 2.4 to 5m

up to 5m

up to 7m

B: Adjusting time and lux

Typical settings

2.5m

80s

1000 LUX

40s

10m

20s

20m

10s

40m

30 LUX

PHOTOCELL

INACTIVE

min

max

min

TIME

LUX

D: Wiring diagram, multiple CESRAPIRSD's

Mains rated

retractive wall

switch

230 VAC

Strong detection zone

i.e. person moving arm

or walking towards PIR

Secondary detection zone

i.e. person walking

perpendicular to PIR

C: Wiring diagram, Single CESRAPIRSD

Switch / DIm

ballast input

CESFAPIRSD or

CESRAPIRSD