Installation notes
DANLERS Limited, Vincients Road, CHIPPENHAM, Wiltshire, SN14 6NQ, UK.
Telephone: +44 (0)1249 443377 Fax: +44 (0)1249 443388
Company Registered Number 2570169 VAT Registration Number 543 5491 38
Products available from DANLERS
• PIRoccupancyswitches•Daylightlinkeddimmers•Manualhighfrequencydimmers
• Photocells • Radio remote controls • Time lag switches • Outdoor security switches
• Dimmers•Heating,ventilationandair-conditioningcontrols•Bespoke/O.E.M.products
Please call for more information or a free catalogue, or visit our website.
ThisproductconformstoBSEN60669-2-1.
Pleaseensurethemostrecenteditionoftheappropriatelocalwiringregulationsareobserved
andsuitableprotectionisprovidede.g.6ampsovercurrent,1kVovervoltage.Pleaseensure
thatthisdeviceisdisconnectedfromthesupplyifaninsulationtestismade.
Thisproductiscoveredbyawarrantywhichextendsto5yearsfromthedateofmanufacture.
Precautions and Warranty
Grid time lag switches (3-wire versions)
GRTLA MK GRTLA CB GRTLA EU
GRTLA MK ILM GRTLA CB ILM GRTLA EU ILM
DANLERSgridtimelagswitchesaresuitableforttingintotheMK
GridPlus(MK),Crabtreegrid(CB)andEurodataplates(EU).
Ashortpresswillswitchtheloadonanditwillswitchoffautomatically
afterthetimelagperiodhasexpired.Thetimelagcanbesetbetween
approximately 1 minute and 2 hours.
Thesedevicesneedaneutralsupply.
The button on the illuminated versions (ending ILM) is lit until the
buttonispressed,itcomesbackonwhenthetimelaghaselapsed.
The load can be switched on from other locations by wiring these
devicesinparallel.
DANLERSgridtimelagswitchescanswitchupto6amps(1500W)of:
• Fluorescentlamp,eitherhighfrequencyorswitchstart
• Incandescentormainshalogenlamps(recommendedwithintegralsafetyfuse)
• Electronicorwirewoundtransformers
Theycanalsoswitchupto:
• 1amp(250W)ofFansorMetalHalidelamps.
Thegridtimelagswitchesneedthefollowingdepthwallboxes:
• GRTLAMK(ILM) 35mm(minimum)
• GRTLACB (ILM) 40mm(minimum)
• GRTLAEU(ILM) 35mm(minimum)
12/02/14 INS912 GRTLA
Loading
Cannot get a neutral supply to the switch:
• ConsiderusingDANLERS2-wiregridtimelag.
Time lag switch “clicks” off but load stays on:
• Non-resistiveload(contactor,emergency,CFL,LEDor2Dlamp)
AddCAPLOADacrosstheloadasshowninwiringdiagram.
• Faultdevelopedduetoanover-voltagespike.
Load latched either on or off:
• Faultdevelopedduetoanover-voltagespike.
Grid wall box depths
Troubleshooting