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CODEL
Page 1
Operation and Maintenance
TunnelTech 602
Illuminance Monitor
Operation and Maintenance Manual
CODEL International Ltd.
Station Building, Station Road, Bakewell, Derbyshire DE45 1GE United Kingdom
t : +44 (0) 1629 814 351
f : +44 (0) 8700 566 307
e : codel@codel.co.uk
web : www.codel.co.uk
Issue: A
Revision:1
Date:07/01/19
Ref:100542
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Summary of Contents for CODEL TunnelTech 602
- Page 1 CODEL Page 1 Operation and Maintenance TunnelTech 602 Illuminance Monitor Operation and Maintenance Manual CODEL International Ltd. Station Building, Station Road, Bakewell, Derbyshire DE45 1GE United Kingdom t : +44 (0) 1629 814 351 f : +44 (0) 8700 566 307 e : codel@codel.co.uk...
- Page 2 CODEL Page 2 Operation and Maintenance Issue: A Revision:1 Date:07/01/19 Ref:100542...
- Page 3 Page 3 Operation and Maintenance CODEL International Ltd is a UK company based in the heart of the Peak District National Park at Bakewell, Derbyshire. The company specialises in the design and manufacture of high-technology instrumentation for the monitoring of combustion processes and atmospheric pollutant emissions.
- Page 4 CODEL Page 4 Operation and Maintenance Issue: A Revision:1 Date:07/01/19 Ref:100542...
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Page 5: Table Of Contents
CODEL Page 5 Operation and Maintenance Contents System Description ......................... 1 The TunnelTech 602: ....................... 1 Principles of Operation ........................3 Specification ............................ 4 Technical Data: ........................4 Construction and Enclosure: ....................4 Output and Interface: ......................4 Compliance and Certification: ....................5 Cables: ............................. - Page 6 CODEL Page 6 Operation and Maintenance Issue: A Revision:1 Date:07/01/19 Ref:100542...
- Page 7 CODEL Page 7 Operation and Maintenance IMPORTANT The warning signs (and meanings) shown below, are used throughout these instructions and are intended to ensure your safety while carrying out installation, operation and maintenance procedures. Please read these instructions fully before proceeding.
- Page 8 CODEL Page 8 Operation and Maintenance Issue: A Revision:1 Date:07/01/19 Ref:100542...
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Page 9: System Description
A signal output from the TunnelTech 602 is fed to a suitable controller to adjust the level of light intensity inside the road tunnel to the light intensity inside and outside. - Page 10 Page 2 Operation and Maintenance The TunnelTech 602 Illuminance photometer has a 4-20 mA output to export data to tunnel lighting control systems. The sensor is housed in a rugged glass reinforced polyester enclosure which has an IP65 rating and has an internal thermostatically controlled heater to prevent fogging of the glass and allow the device to function at temperatures down to -20°C.
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Page 11: Principles Of Operation
Operation and Maintenance 2 Principles of Operation The TunnelTech 602 is built around a metal/glass encased reverse-biased silicon diode photocell that reads the luminance levels of a given area, together with an eye response optical filter used to provide measurements of luminance to the required standard human visible spectral response. The receptor is perfectly linear within the measuring range and its response to light is virtually instantaneous, sending near constant updated information via a 4-20mA output. -
Page 12: Specification
CODEL Page 4 Operation and Maintenance Specification Technical Data: Measurement Principle: Silicone Diode Photocell, filtered to human spectral response Measurement Unit (s): lx (lux) = cd.sr/m (lumen per square meter) Measurement Range (Typical): 0 to 20,000 lux Accuracy: ±3 %... -
Page 13: Compliance And Certification
CODEL Page 5 Operation and Maintenance Compliance and Certification: EMC: EN61326-1:2006 & EN50270:2006 Low Voltage: 73/23/EEC (as per datasheet) or 73/23/EEC - Low Voltage and 89/336/EEC - EMC (as per manual) Protection: IP66 (Datasheet) or IP67 (IP69K Optional) Tunnel Regulation Guidelines: RABT 2006, RVS 09.02.22 2007 and any others? -
Page 14: Installation
CAUTION! Device installation must be performed by specialist technical staff only. Device dimensions 129.75mm Mounting plate, supplied by others. 120mm 248mm M20 cable gland M20 cable gland for 4-20mA output for 230V AC input Figure 3: TunnelTech 602 Dimensions Issue: A Revision:1 Date:07/01/19 Ref:100542... -
Page 15: Unit Installation
Operation and Maintenance Unit Installation Before opening the enclosure, ensure that the power supply Is disconnected. Mount the TunnelTech 602 to the mounting surface using 4x M6 bolts (by others). Mounting hole details are shown in Figure 4 below. To open the enclosure to access the mounting holes and the power input and signal output terminals;... -
Page 16: Cable Installation
CODEL Page 8 Operation and Maintenance Cable installation Never under any circumstances make any changes or connection that are not shown in this manual. Improper use of the appliance can cause serious hazards, risking the safety of personnel and of the installation. - Page 17 Page 9 Operation and Maintenance There is no internal fusing in the TunnelTech 602, therefore suitable fusing should be made in the AC power supply. The 4 – 20mA signal output representing the signal range should be terminated with a resistance of between 100 ohms and 800 ohms in the control equipment.
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Page 18: Optional 24V Dc Power Supply Unit (Psu) Installation
CODEL Page 10 Operation and Maintenance Optional 24V DC Power Supply Unit (PSU) Installation Mount the PSU to the mounting surface using 4 M6 bolts (by others). Mounting hole details are shown in Figure 7below. Figure 7: Optional PSU mounting Arrangement Make sure the PSU enclosure is earthed with a grounding strap during installation using the earthing bolt. -
Page 19: Maintenance
CODEL Page 11 Operation and Maintenance 5 Maintenance Recalibration checks: The silicone receptor is extremely stable over a long period. Recalibration checks are not normally necessary within ten-year periods. Maintenance: Minimal. Occasional cleaning of the viewing window is required. When cleaning the sensor window, avoid ethyl alcohol, solvents, hydrogenated hydro-carbide, strong acids and alkalis. -
Page 20: Ma Output
Operation and Maintenance 6 mA output The output of the TunnelTech 602 is a 4 – 20mA current loop. The response from the sensor is perfectly linear within the measuring range of 0 to 20,000 lux and therefore the Ma output is delivered accordingly and is updated near constantly. -
Page 21: List Of Figures
7 List of Figures Figure 1: TunnelTech 602 ........................1 Figure 2:Tunnel Luminance Curve Graph ....................1 Figure 4: TunnelTech 602 Dimensions ....................6 Figure 5:mounting dimensions ....................... 7 Figure 6: Electrical Schematic ......................... 8 Figure 7: Electrical Terminal Locations ....................8 Figure 8: Optional PSU mounting Arrangement ...................
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