Aerco SmartPlate SPDW42 Manual de aplicación - Página 13
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SmartPlate Application Guide for Boiler Interface
Technical Application Guide
TAG-0026_0B
As evident in Figures 6 through 8, a condensing plant has higher efficiency than a traditional
boiler plant due to blending of low temperature return water from the SmartPlate.
The plant efficiencies can be further improved by utilizing dual return boilers such as AERCO
Benchmark. Instead of blending the low temperature SmartPlate water with high temperature
system return, it would be an efficiency gain to pipe the lower return to the Primary inlet (or
standard inlet, at the base) and piping the higher temperature return to the Secondary (or
higher) inlet. This will allow the boiler heat exchanger to condense more due to the low
temperature return of SmartPlate system. Such applications can have efficiency gains up to 6%
depending on the flow rate rations and return water temperature.
Refer to Figure 9 for a variation of Figure 4 but with Benchmark dual returns.
SD-A-1092 rev A
Figure 9: 2-Port Buffer Tank and SmartPlate Piped as a Zone with Dual return equipped
Benchmark Boilers and heating System
(This figure depicts boiler water piping only)
01/08/2016 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288
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