
DANLERS Limited, Vincients Road, CHIPPENHAM, Wiltshire, SN14 6NQ, UK.
Telephone: +44 (0)1249 443377 Fax: +44 (0)1249 443388
E-mail: [email protected] Web: www.danlers.co.uk
Company Registered Number 2570169 VAT Registration Number 543 5491 38
Products available from DANLERS
• PIR occupancy switches • Daylight linked dimmers • Manual high frequency dimmers
• Photocells • Radio remote controls • Time lag switches • Outdoor security switches
• Dimmers • Heating, ventilation and air-conditioning controls • Bespoke / O.E.M. products
Please call for more information or a free catalogue.
This product conforms to BS EN 60669-2-1.
Please ensure the most recent edition of the appropriate local wiring regulations are observed
and suitable protection is provided e.g. 6 amps over current, 1kV over voltage. Please ensure
that this device is disconnected from the supply if an insulation test is made.
This product is covered by a warranty which extends to 5 years from the date of manufacture.
Precautions and Warranty
Installation notes
Twilight Switch
TWSW
DANLERS Twilight Switch can be surface mounted onto an external
wall. The TWSW will switch a lamp load on during the hours of
darkness. The light level at which the lamp will switch on and off is
set by a lux adjuster.
Loading
The TWSW should only be connected to a 230V 50Hz ac supply.
It can switch the following type of loads:
• 6 amps (1500W)
Incandescent or mains halogen lamps
(recommended with integral safety fuse)
• 4 amps (1000W)
Electronic or wire wound transformers.
Fluorescent lamps (high frequency or soft start)
• 2 amps (500W)
Compact fluorescent or LED lamps (about 50 lamps)
• 1 amp (250W)
Most metal halide lamps and fans.
06/04/11
INS971 TWSW
Variants
As DANLERS design and manufacture in the UK, variants can be supplied,
coded by the following suffixes, applied in this order:
• 12V or 24V
12V or 24V ac or dc operation
• VF
Volt Free contacts
• NC
Normally Closed contacts
• G or LG
Gold or Logic Gold contacts
The details of these variants are covered by an enclosed variant
addendum if applicable.
Trouble shooting
The lamp switches off about 5 seconds after it switches on.
• To much artificial light is entering the dusk switch.
The lamp switches on too early in the evening.
• Move the Lux adjuster further towards clockwise.
The lamp switches on too late in the evening.
• Move the lux adjuster further anticlockwise.
The TWSW stops working.
• Ensure the unit is mounted correctly so that no water can enter.