CESF PIR DANLERS, CESF PIR Datasheet

CESF PIR

Manufacturer Part Number

CESF PIR

Description

PIR SWITCH, SURFACE MOUNTED

Manufacturer

DANLERS

Type

PIR Switchr

Datasheet

1.CESF_PIR.pdf (1 pages)

Specifications of CESF PIR

Beam Angle

360Â°

Range Max

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CESF PIR

The CESF PIR will switch on any type of connected load, including

electronic control gear. Neutral is needed on these models.

The CESF PIR is only suitable for ceiling mounting.

10.

In case of doubt, consult a qualified electrical contractor.

The detection range is in a cone approx. 2.5m to 3.5m radius at floor level when mounted between 2.5m and

There are three adjustments on the underside edge of the switch as shown in the diagram (above right).

TIME Setting the “TIME” adjustment determines how long the lights remain on after the switch has last

LUX

SENS Turn fully clockwise for maximum range and sensitivity of the person detector.

The maximum load is 6 amps (230-240VAC) of any type of load.

For larger loads, the CESF PIR can be used to switch a contactor.

Read these notes before commencing work.

IMPORTANT - SITING. The switch should be placed over

the area where activity is expected. If the photocell override

facility is required, the switch must be sited in a position

where the daylight gives greater illumination than the

artificial light. Avoid siting this product where it is exposed to

windy or drafty conditions, such as in exposed lobbies or in

ceilings open to roof voids.

3.0m above the floor.

Make sure power is switched off from the circuits you are working on by removing appropriate fuses, or

switching off appropriate isolating switches.

The wiring diagram is as below:

Connect the switch according to the wiring diagram above. When the mains supply is initially connected to

the PIR switch it goes through its Walk Test. This means it switches on for about 1 minute, then switches off

and enters its automatic mode. Stand away from the switch for a couple of minutes until the switch turns off.

Movement near the switch should then cause it to switch on (subject to the room brightness and photocell

setting), and then, if there is no more movement, it will go off after the set time lag. If a manual wall switch is

feeding the PIR switch (see wiring diagram) then it will go through the Walk Test each time the wall switch

is switched on. By wiring the manual wall switch in the alternative position, the supply to the PIR occupancy

switch is uninterrupted and it remains in automatic mode. It does not go through its Walk Test each time the

wall switch is switched on.

Several CESF PIR can be wired in parallel to control the same load.

230/115VAC

optional manual

wall switch for

overriding off

detected movement. This ranges from 10 seconds to 40 minutes in nine discrete steps as follows:-

10, 20, 40 seconds, 1.25, 2.5, 5, 10, 20, 40 minutes. (These times are approximate to +/- 20%.)

Incorporated into the switch is a photocell override function which stops the lights coming on when-

ever there is sufficient daylight. If the “LUX” knob is set fully anti-clockwise the lights will come on no

matter how bright it is in the room. With the knob turned clockwise it has to get darker in the room

before the occupancy switch will be able to turn the lights on.

Turn anti-clockwise for reduced range and sensitivity.

CESF PIR

ceiling surface mounted PIR occupancy switch

alternative position for

optional wall switch (see

item 7 below “Walk test”)

load

installation notes

Recommended

mounting height

between 2.2

and 5m

sec

min

1.25

mins

TIME

mins

2.5

max

mins

APPROXIMATE SETTINGS

mins

1000 lux

∞

max

LUX

Strong detection zone

i.e. person moving arm

min

100 lux

Secondary

detection zone

i.e. person

walking

67%

min

SENS

max

100%

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