Installed a Coleman closet Air Handler and 4 ton condenser
Install a 4 ton pack unit heat pump. Added a partial piece of 10’inch flex. New grill, titan thermostat, surge protector and air scrubber. No tar added due to new roof replacement projecting coming up.
Performed diagnostic. Found burnt out wire from board to VAD. Fixed and checked amp draws. Unit is operating to spec at this time.
Performed diagnostic found low on charge. Charged unit with 410A and put die and sealant in system.
Performed diagnostic found bad VAD and exhaust motor. Recommend repairs or replacement of unit.