Arrive 26th of May for an AC no cool found that the system was extremely low on 410 a customer wanted me to top it off I want to talk to your husband about a leak search and repair before top off superheat was 60° suction pressure was 99 and this is a fixed orifice device after top off we had 20° of superheat 128 on the suction pressure is cooling at this time. Added 4 pounds of 410 A to the system to get it up to where I where I specified it was at.