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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 CEFLA PIR DALIP should be installed to achieve 

correct coverage of the area, see diagram A. Avoid locating this product 

where it is exposed to drafty conditions (exposed lobbies, open ceiling 

voids or near fans) or near heat sources. 

3. Make sure the power is isolated from the circuit.  

The PIR should be connected as shown in diagram E:

   Thick wire 

 

 

Thin wire   (DALI control lines) 

Brown 

Live in   

Red / Blue  Polarity independant 

Blue    

Neutral in 

Black  

SL  Switched Line out 

White  

SW

1

  Switch / Input

 

Start-up mode

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

load will then switch off and the PIR will enter its Operating Mode.

 

The LUX adjuster spindle on the side of the PIR is used to regulate the 

automatic daylight linked dimming function lux level (see diagram D 

opposite). This should be adjusted in situ  by rotating the LUX adjuster 

slowly anticlockwise  

(+ to -) so that the desired level of brightness is achieved under the 

luminarie(s) being controlled. 

If the LUX spindle is quickly turned the lights can be dimmed up and down 

to the required LUX level by further rotation of the LUX spindle. Once the 

correct level is achieved and there has been no further adjustment to the 

LUX spindle, 

CEFLA PIR DALIP

 will go through a 30 second delay before 

the automatic closed loop control will start.

CEFLA PIR DALIP incorporates a fixed 20 second fade rate from maximum  

to the set back level.

Sensitivity

CEFLA PIR DALIP incorporates a sensitivity adjuster, labelled ‘SENS’, to 

reduce the range  of detection from 100% to 50% in 9 steps 

(see diagram 

C opposite).

Clearance hole 

63 or 64mm (2.5") diameter

Springs can either be left closed (down

the side of the product) or opened out.

RUN ON

min

max

LUX

min

max

Typical settings

INFINITE

30m

20m

15m

10m

5m

0s
1m

2m

up to 5m
up to 7m

Strong detection zone 

i.e. person moving arm

or walking towards PIR

Secondary detection zone

i.e. person walking

perpendicular to PIR 

For optimum coverage

recommended mounting

height: 2.4 to 5m

B: Detection diagram

E: Wiring diagram, 

CEFLA PIR DALIP controlling several DALI dimmable ballasts

D: Adjusting LUX and RUN-ON

L

N

DALI

Ballast

CEFLA PIR DALIP

DALI Control Lines

DALI

Ballast

Optional 

other load

230 VAC

SL

L

N

Mains 

rated

retractive 

wall switch 

or rocker 

wall switch 

(toggled)

SW

1

TIME

min

max

SENS

min

max

Typical settings

40m

20m

10m

5m

2.5m

80s

10s
20s

40s

50%

100%

C: Adjusting SENSITIVITY  and TIME

A: Detection diagram

Time / Run-on / Lux set up

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