Work performed under GHAC Quality Pledge: Found heil 2 stage unit to have not been wired correctly, y calls both landed on the y/y1 terminal. Manufacture requires them to be laneded on y/y2. Also set fan speeds . Also found gas pressures to not be set low @1.88 hi @4.10 set fan speeds. Also found unit to be severely overcharged with 40 degrees of subcooling ( due to fan speeds being set to 200cfm due to y/y1 terminals being used) corrected all issues sent information to mark and Russ .