K4010 - Standard PIR with Photocell - Slim Flush
Fixing
Connection
Commissioning
Onlysuitablyqualifiedpersonnelshouldinstallthisequipment.
off
Note:
The K4010 is a high performance presence detector with photocell. The photocell can be programmed to hold
lights when areas become occupied (if the daylight contribution is sufficiently high) - it will not turn lights OFF
whenanareaisoccupiedregardlessofnaturallightlevels.
The K4010 is suitable for flush mounting in a suspended ceiling tile, maximum 54mm thick and with a minimum
clearance of 125mm between the front surface of the tile and the hard ceiling behind. The K4010 should be
mounted in the centre of the group of luminaires to be controlled. Cut a 50mm diameter (64mm if using an
K4055 flushringor K4054 plasterboard fixingkit)circular hole in thetile, feed the flying leadand detector through
theholeandsecureintoposition withthelockingring.Twistingthelockingringwillreleasethedetectorshouldthis
benecessary.
Donotpositionwithin25cmofa luminaire.
The K4010 is supplied with a flying lead which should be taken into the first luminaire on the circuit to be
controlled,fromwhereitwillpickup its230Vsupply. Controlof agroupof luminaires isachievedbyconnectingall
theluminairesinthegroup(typically4)inparallelwiththeswitchedliveoutputof theK4010.
Setting the Photocell
1. Wait until the time of day when the ambient light level is equal to the level at which you want the photocell to
becomeactive.
2. Using the K4053, select ‘Set Light Level’fromthe Utilities menu and press OK while pointing at the detector
to store the current light level - the lights must be on prior to starting this process.
ThedetectorstorestheperceivedlightlevelvalueintheUpperThreshold.
3. If required,theUpper Threshold value canbe editedmanuallyvia theK4053.Please note,theseare notLux
levelsbutarepresentationofthelightlevelsperceivedbythedetectorat thetimeof thestorecommand.
If a K4053 is not available,
the light level may be set by pressing the Store button on an K4050 whilst pointing the programmer at the
detector.
50842PL Ed. 1
Walk-test Mode
Walk-test mode is used to check that the range of the presence detector is appropriate for the application. The
short off-delay enables the installer to check that lightsare switching on when movements are made at the edge
ofthedetectionzone.
1. Walk Test mode can be initiated either with the K4053 or by pressing the ‘A’ button on the K4050. Note that
whenusingtheK4050thepositionofthe12DILswitcheshasno effectonthepresetsettingsin theK4010.
2. Once in WalkTest mode, movearound the areathat is beingcontrolled, stopping for 10 secondsto allow the
lightstoswitchoff, beforemovingandtriggeringthelightsbackon.
3. Once walktesting is completed, theK4010will automatically returnto the 20 minutetime delay aftera period
ofapproximately5 minutes.
ImportantAdditionalNotes
1. Ameansfordisconnectionmustbeincorporatedin the fixedwiringinaccordancewiththe currentwiringregulations.
2. Thisequipmentswitcheslightsno more frequentlythan would a responsiblehuman occupant. However,manufacturers of
some lighting types (e.g. ‘2D’ luminaires) may specify a maximum number of switching cycles in order to achieve a
predicted lamp life. Please check with the manufacturer of the luminaires to ensure that they are compatible with
automaticcontrols in this respect.
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