Advertisement
Quick Links
Advertisement
Subscribe to Our Youtube Channel
Related Manuals for Spirax Sarco LC2400
Summary of Contents for Spirax Sarco LC2400
- Page 1 4025950/6 IM-P402-84 AB Issue 6 LC2400 Controller Installation and Maintenance Instructions 1. Safety 2. Application 3. Description 4. Installation 5. Wiring 6. Commissioning 7. Calibration notes 8. Maintenance 9. Fault finding Printed in the UK © Copyright 1999 IM-P402-84 AB Issue 6...
-
Page 2: Installation
3. Description or an LC2300 (for a pneumatically actuated The Spirax Sarco LC2400 is used to connect a level controller to the 4 - 20 mA output signals valve). The LC2400 has 'steam' and 'water'... - Page 3 5. Wiring Screened cable is recommended for the LC2400 wiring. The LC2400 is powered by the current loops (4 -20 mA) and so needs no separate power supply. Figures 1 to 4, pages 4, 5, 6, and 7, show the wiring connections for various applications.
- Page 4 Fig. 1 Two element level control LC2400 with electric valve LC2200 Level controller Steam meter Steam Level probe Motorised valve Make-up water Note on 4-20 mA loops: Steam and water meter inputs (terminals 3 and 10) are earthed via the level probe.
- Page 5 Fig. 2 Two element level control LC2400 with pneumatic valve LC2300 Level controller Steam meter Pneumatic Steam valve with positioner Level probe Make-up water Note on 4-20 mA loops: Steam and water meter inputs (terminals 3 and 10) are earthed via the level probe.
- Page 6 Fig. 3 Three element level control LC2200 Level controller with electric valve LC2400 Steam meter Steam Water meter Level probe Motorised valve KE /EL Make - up water Note on 4-20 mA loops: Steam and water meter inputs (terminals 3 and 10) are earthed via the level probe.
- Page 7 LC2400 LC2300 Level Fig. 4 Three element level control controller with pneumatic valve Pneumatic Steam meter valve LC2300 flow controller Steam Level probe Water meter Feedwater Note on 4-20 mA loops: Steam and water meter inputs (terminals 3 and 10) are earthed via the level probe.
- Page 8 - Adjust /program the steam flowmeter to output a 4 -20 mA signal representing 75 % of maximum steam flow (usually 16 mA). See note below. - Adjust the 'steam' potentiometer on the LC2400 until the green > 50% LED on the LC2200 / LC2300 just extinguishes.
- Page 9 LC2400 Steam meter Test 4-20 mA 4-20 mA current Input loop Steam channel Range link Set point output Water meter Test 4-20 mA current 4 - 20 mA loop Input Water channel 0 - 8 V output Fig. 5 Feedwater input (Three element control using LC2200)
- Page 10 Preamplifier (PA20). Medium sensitivity Preamplifier (PA20). High sensitivity Steam calibration settings (SCS) Fig. 6 Rise in water level less than 80 mm. PA20 preamplifier set to high sensitivity (range link fitted) Rise in water level less than 140 mm. PA20 preamplifier set to medium sensitivity (range link fitted) Preamplifier (PA20).
-
Page 11: Calibration Notes
- less than 80 mm and the PA20 preamplifier is set to high sensitivity, - less than 140 mm and the PA20 is set to medium sensitivity, then insert a range link between terminals 4 and 5 of the LC2400 and use figure 6. If the anticipated water level rise is:-... -
Page 12: Maintenance
8. Maintenance No special servicing or maintenance of the LC2400 is necessary. Boiler water level controls and level alarms, however, do require regular testing and inspection. General guidance for the UK is given in Health and Safety Executive Guidance Note PM5. For specific instructions for Spirax Sarco systems please see separate literature.
Need help?
Do you have a question about the LC2400 and is the answer not in the manual?
Questions and answers