LOTO power for condenser and the AHU’s Recover any existing refrigerant Valve off gas line Unwire condenser, AHU’s, and controls Unhook line sets, remove and dispose of existing equipment (Fill out Chain of Custody sheet that will be provided by facilities on site) Flush existing line sets Provide a crane to remove and set the new condenser Set new condenser on concrete pad, hook up wiring, and connect to the existing lineset Unhook ductwork from furnace AHU’s, remove and dispose of old furnaces and AC coils Set new furnace AHU’s in place, install a new single circuit AC coil with twinning kit on top of furnaces and connect to existing lineset Replace the exterior disconnect that has overheated wire and terminal connection Hook up power and existing control wiring Make necessary supply and return transitions to ductwork, seal and insulate. Solder in line sets, pressure test solder joints, pull vacuum Release factory charge and add additional refrigerant, commission, and test run unit for proper function Clean up work area Work to be performed during normal business hours (Monday – Friday 8:30 to 5:00 crane work needs to be completed prior to customers arrival) All safety standards shall be in place to provide necessary protection Any disturbed paving, curbing, soil, grass, buildings, etc. must be returned to original condition by the contractor at completion of work
