No cool, Found drain line backed up causing float switch to stop equipment Start club program 1 visit left (high rise), Blow out drain line with co2 Copper pipe p-trap no Union, Flushed with 2 gallons of h20 Installed time release treatment Reset aquaguard switch suggested Ez tee Measure temp difference 23'F Outdoor temp 79'F Indoor temp 80'F Run system operating properly at time