DANLERS CESF PIR Gebruikershandleiding
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CESF PIR
Ceiling Surface Mounted
PIR Occupancy Switch
Input: 220-240 Vac 50Hz
PLEASE READ THESE INSTRUCTIONS BEFORE INSTALLING THE PRODUCT
DANLERS ceiling surface passive infra-red
occupancy switches (CESF PIR) can be
ceiling mounted on a square pattress box
(DANLERS code: PABO).
The CESF PIR incorporates a passive infra-red
quad sensor to detect movement of a warm
body within its detection zone (diagram A) and
a photocell to monitor the ambient light level.
For optimum coverage recommended
mounting height: 2.4 to 5m
Strong detection zone
Secondary detection
i.e. person moving
zone i.e. person
arm or walking
walking perpendicular
towards PIR
to PIR
up to 5m
up to 7m
DIAGRAM A (DETECTION)
Upon detecting movement, if the ambient light
is dark enough, the CESF PIR will switch the
load on. The ambient threshold can be set by
the user to between approximately 30 lux and
1000 lux and maximum (photocell inactive) at
the PIR via the LUX adjuster (diagram B).
If no more movement is detected within a
pre-selected time, then the CESF PIR will
switch the load off. This time lag can be
set via the TIME adjuster to 10 seconds,
20 seconds, 40 seconds, 80 seconds,
2 minutes 30 seconds, 5 minutes, 10
minutes, 20 minutes or 40 minutes
(diagram B).
CESF PIR also incorporates a sensitivity
adjuster, labelled 'SENS', to reduce the range
and sensitivity of detection (diagram B).
INSTALLATION PROCEDURE
1. Please read these notes carefully before
commencing work.
In case of doubt please consult a qualified
electrician.
2. POSITIONING: The CESF PIR 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
DANLERS Limited, Vincients Road, CHIPPENHAM, Wiltshire, SN14 6NQ, UK.
Telephone: +44 (0)1249 443377 Fax: +44 (0)1249 443388 E-mail: [email protected]
www.danlers.co.uk
Company Registered Number 2570169 VAT Registration Number 543 5491 38
13/04/2021
(Presence detection)
near heat sources. To cover large areas
CESF PIRs should be spaced in a 5 metre
grid formation.
3. The greatest energy savings will be made
if each CESF PIR 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 CESF PIR should be
connected as shown in diagrams C & D:
L - Live in.
N - Neutral in.
SL - Switched Li
ne out.
LOADING
See overleaf for loading details.
START-UP MODE
When the PIR is powered up, the PIR will
switch on the lighting load for 1 minute then
switch it off. After 2 seconds it will switch
on again if it detects movement. With TIME
set to minimum the load will stay on for 10
seconds so the detection range can be
easily assessed. If a manual override-off
switch is positioned before the PIR in the
circuit (diagrams C & D, note 1) it will do
this each time the wall switch is switched
on. Alternatively, if the wall switch is placed
after the PIR (diagrams C & D, note 2) it will
not enter the start-up mode each time.
TIME, LUX AND SENSITIVITY 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, a lux
meter placed on the surface under the
CESF PIR may help. With the LUX set
fully clockwise wait for the CESF PIR to
switch off. Rotate the LUX adjuster slowly
anticlockwise (- to +), whilst waving your
hand approximately 1m below the PIR, until
the load switches on.
Turn the SENS adjuster fully clockwise
for maximum range and sensitivity of the
person detector. Turn anti-clockwise for
reduced range and sensitivity.
Typical settings
2.5m
80s
5m
1000 LUX
40s
10m
20s
20m
10s
40m
30 LUX
PHOTOCELL
INACTIVE
min
max
max
min
TIME
LUX
DIAGRAM B (ADJUSTING TIME, LUX & SENSITIVITY)
TROUBLESHOOTING
The load will not switch on:
• The LUX adjuster is set too low and is
inhibiting the switch.
• The SENS adjuster is set too low.
• The moving body is not emitting more
IR than the background. (Person
wearing insulating clothing in a warm
environment)
• Person is too far from the PIR switch, see
detection diagram.
• Person is moving unusually slowly
(perhaps when testing).
The load switches on when nobody is
present:
• Heater causing infra-red variations in a
small cold room. Reduce the sensitivity
adjuster or re-site the CESF PIR.
• Please contact DANLERS for further
technical support.
VARIANTS - MAINS VOLTAGE
CESFAPIR
Surface mounted PIR
absence switch (square
enclosure)
CESFPIRAR
Surface mounted PIR
switch with additional
range - 8m maximum
(square enclosure)
CESRPIR
Surface mounted
PIR switch (round
enclosure)
CESRAPIR
Surface mounted PIR
absence switch (round
enclosure)
DAT0098 CESFPIR
100%
50%
min
max
SENS