System for reducing heat losses from indoor swimming pools by use of automatic covers. Technical progress report No. 4, October 1, 1994--December 31, 1994

摘要

The principal developments during the fifth quarter of the project (October - December 1994) have been as follows. (1) Design fabrication and bench testing of new 24-v controller employing automatic photocell shut-off of motor. (2) Design, fabrication and bench testing of new 42-v controller employing automatic stop-ball and limit-switch shut-off of motor. (3) Design, fabrication, installation, operation and adjustment of prototype improved pool cover system in Denver. (4) Continued planning of installation, demonstration and evaluation of improved pool cover system at the Denver Skyland Recreation Center. (5) Improved mounting brackets. (6) Preparation of a comprehensive paper on swimming pool evaporation rates.