Product Name: Gestra LRR 1-40 24V electronic board
Brand: Gestra
Product Code: LRR 1-40 24V electronic board
Tags: Gestra
LRR board
Gestra LRR 24V
Gestra electronic board
Gestra LRR 1-40 board
electronic board
Gestra 24V electronic board
LRR 1-40 24V
LRR 1-40 24V board
24V electronic
LRR 1-40
Gestra LRR 1-40 24V electronic
Gestra 1-40 24V electronic
Gestra LRR electronic
Gestra electronic
LRR 1-40 24V electronic board
Gestra 1-40
24V electronic board
Gestra 1-40 24V electronic board
Conductivity (TDS) Controller and Limiter / Intermittent Blowdown Cycling Timer
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Description The continuous blowdown controller LRR 1?40 used in conjunction with the conductivity sensing electrode LRG 16?40 constitutes a conductivity (TDS) monitoring and control system. Electrical conductivity is used to measure boiler water TDS (= Total Dissolved Solids). The blowdown controller features the following functions: ? Two conductivity limits with one switchpoint each: TDS high (max) alarm and TDS low (min) alarm. The TDS low (min) alarm can alternatively be used to control an intermittent blowdown valve. ? Three?position control within a predefined proportional band. ? TDS level (conductivity) monitored and maintained within a predefined control range. ? Stand?by input. ? 24 h purging pulse for continuous boiler blowdown. The LRR 1?40 can, by choice, be provided with an actual value output with a standard signal of 4 ? 20 mA. The TDS data are transferred to the controller or another system component via a CAN data bus. The controller and the conductivity sensing electrode use the CANopen protocol.