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Title: Solar energy system case study: Telex Communications, Blue Earth, Minnesota

Technical Report ·
DOI:https://doi.org/10.2172/6508451· OSTI ID:6508451

A study is made of a solar energy system for space heating a 97,000-square-foot office, factory, and warehouse building owned by Telex Communications, Inc. in Blue Earth, Minnesota. The solar system has 11,520 square feet of ground-oriented flat-plate collectors and a 20,000-gallon storage tank inside the building. Freeze protection is by drainback. Solar heated water from the storage tank circulates around the clock throughout the heating season to heating coils in the ducts. The system achieves its design solar fraction, is efficient, and generally reliable, but not cost-effective. Performance data for the solar system was collected by the National Solar Data Network for three heating seasons from 1978 to 1981. Because of a freeze-up of the collector array in December 1978, the solar system was only partially operational in the 1978 to 1979 heating season. The data in this report were collected in the 1979 to 1980 and 1980 to 1981 heating seasons.

Research Organization:
Vitro Corp., Silver Spring, MD (USA)
DOE Contract Number:
AC01-79CS30027
OSTI ID:
6508451
Report Number(s):
SOLAR/0011-84/01; ON: DE85002140
Resource Relation:
Other Information: Portions are illegible in microfiche products. Original copy available until stock is exhausted
Country of Publication:
United States
Language:
English