Boiler house Level controls
2
Local regulations may restrict the use of this product to below the conditions quoted. In the interests of development and improvement of the product, we reserve the right to change the specification without notice. © Copyright 2020
AI-P693-33 EMM Issue 1
LCSR2000 Level Control Systems - Chamber Mounted
Installation and testing of modulating boiler water level controls in external chambers
2.3 8
Typical installation Warning: This document does not contain sufficient information to install the system safely. See the Installation and Maintenance Instructions supplied with the individual products for full details. The Spirax Sarco LCSR2000 boiler water level control systems are suitable for automatically controlled steam boilers and provide the control and alarm functions specified by HSE/CEA/SAFed Guidance BG01 arrangement 1. The LCSR2000 series systems require daily manual testing as specified in BG01 and a competent boiler operator should be on site at all times the boiler is in operation. The level controls and level alarms are probably the most important controls on the boiler for ensuring safety and should only be installed and maintained by suitably trained personnel. Spirax Sarco can install, commission and provide a regular maintenance service.
LCR2250 controller
Feedwater control valve
5 µS/cm or 5 ppm but conductivity must not vary by more than 2:1 (consult Spirax Sarco if conductivity variation is greater).
LP21 and LCR2250
Minimum conductivity
LP21 probe / PA420 preamplifier
LCS1350 Nominal 1 µS/cm @ 25°C minimum.
LCS1350 controller
LP11-4 probe
Adaptor 1" to ½" BSP
Boiler
Chamber
Not used
High alarm
Modulating control band
1st Low 2nd Low
Sequencing purge valves
To drain tundish or blowdown vessel
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