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4025351/5
Installation and Maintenance Instructions
LT2010
>100%
IM-P402-62 AB Issue 5
Printed in the UK
LT2010
Level Transmitter
>0%
1. General
safety information
2. General
product information
3. Installation
4. Setting up the transmitter
5. Wiring diagrams
6. Commissioning
7. Maintenance
8. Fault finding
IM-P402-62
AB Issue 5
1
© Copyright 2003
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Summary of Contents for Spirax Sarco LT2010
- Page 1 4025351/5 IM-P402-62 AB Issue 5 LT2010 Level Transmitter Installation and Maintenance Instructions 1. General safety information LT2010 2. General product information >100% 3. Installation >0% 4. Setting up the transmitter 5. Wiring diagrams 6. Commissioning 7. Maintenance 8. Fault finding...
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Page 2: General Safety Information
If this product is not used in the manner specified by this IMI, then the protection provided may be impaired. Clamping screw LT2010 Power on >100% Span >0%... -
Page 3: General Product Information
The LT2010 can also power and be used with any 2 wire 0 - 20 or 4 - 20 mA transmitter, for example for pressure, temperature, or level transmission using a pressure or differential pressure transmitter. -
Page 4: Installation
The transmitter must be installed in an enclosure or control panel to provide environmental protection (Pollution Degree 2). Spirax Sarco can provide suitable metal or plastic enclosures. The transmitter may be mounted on a 'top hat' DIN rail using the clip provided or the clip can be removed and the transmitter base screwed directly to a chassis plate. - Page 5 4.3 To change the function settings Unplug the transmitter from its base. Remove the rear cover panel. Slide out the printed circuit board. An 8-way switch on the printed circuit board determines the transmitter functions. Set the switches to the positions shown in the diagram for the chosen functions. Replace the printed circuit board.
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Page 6: Wiring Diagrams
Ensure that the screen is connected to the earth terminal of the PA20 and to the common terminal of the transmitter. Ensure the common terminal of the transmitter is not internally earthed. (All Spirax Sarco boiler controls are internally isolated from earth). -
Page 7: Multiple Transmitters
/boiler shell is less than 1 W. 4 - 20 mA transmitter Additional powered from the unit if fitted LT2010 Links on preamplifier provide sensitivity selection - see preamplifier IMI The earth pin is internally connected to the PA20 body and earthed by the LP20 probe. -
Page 8: Maintenance
No special servicing or maintenance of the transmitter is necessary. Boiler water level controls and level alarms, however, do require testing and inspection. General guidance is given in Health and Safety Executive Guidance Note PM5. For specific instructions for the Spirax Sarco system please see separate literature. Available spares Spare fuses Stock No.
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