Energy Saving Boiler Controls
From Energy Efficiency
Savastat LC works with existing boiler controls to help reduce the energy used for space heating or process hot water loop systems by up to 25% or more annually. (WE GUARANTEE A MINIMUM 15% SAVINGS) Savastat LC is easily installed on existing boilers with a minimum amount of downtime. (allow about 15 minutes of down-time, and an hour to commission) Applications for the Savastat LC unit are for low pressure non-modulating HW Loop System boilers only. Savastat LC units can be adjusted for 24v, 110v, or 220v boiler thermostat operating voltages.
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Savastat LC employs an additional level of intelli...
Savastat LC employs an additional level of intelligence to hot water heat boiler system controls. By monitoring the return water temperature and rate of temperature decay (return temp. at the boiler) it can determine the load on the system. This allows for small adjustments to be made in mean system temperature, that often accumulate to savings in excess of 20% reduction in fuel consumption and associated costs. Microprocessors have revolutionized control systems in recent years. The Savastat LC processor samples the system twice per second, so it is working in 'real time' to compute savings potentials. It doesn't use historic data to try to 'out think' the system and predict what might happen. As we all know, weather changes can be dramatic and short term, often fooling devices that try to predict system demands.
System Compatibility
Savastat LC is an appropriate upgrade on all traditional low water temperature boilers using radiators and heat exchanger space heating, except for those implementing modulating control systems. Some hot water loop process boiler systems are compatible as well. Check with your Savastat Representative for details concerning non space-heat applications, and to determine if Savastat LC may help your organization lower operating costs.
Status Indicators
Savastat LC status lights indicate which mode the device is currently in. If none of the status lights are illuminated there is no 'call for heat' by the boiler thermostat, this means the boiler thermostat circuit is open and the boiler’s burner is off.
IDLE: When the boiler thermostat initially calls for heat, the yellow idle light is illuminated for a 30 second delay while Savastat LC computes what action to take next. Savastat is analyzing the system status in “real time” to determine if heat is needed to be put into the system, or savings can be achieved by holding the burner off.
SAVE: When only one green save light is illuminated it indicates that Savastat LC has entered a save mode preventing the boiler from firing while the computation involved is looking at how fast the return water temperature is dropping away from the set reference temperature.
BOOST: When both the save light and the boost light are illuminated Savastat LC has entered a save mode while the computation involved is looking at how fast the return water temperature is dropping towards the set reference temperature.
RUN: The red run light will be illuminated when Savastat LC has finished its active mode and allows the boiler to fire. When the boiler finishes its burn, this light will go out and the cycle will repeat the next time the boiler gets a ‘call for heat’, and is asked to burn.
If you are considering upgrading your boiler control systems to modulating equipment, BE SURE TO CONSIDER THE SAVASTAT LC UNIT FIRST! The cost differential between the modulating equipment and the Savastat LC is enormous, and the payoff for the LC unit is often well under 12 months!
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