Removed old 4-ton system with electric heat. Installed new 4-ton Coleman air handler with txv capped off bolt sets of 60 amp wires. Hooked up 30 amp wire with disconnect and fuses. Adapted new air handler to Old dock work installed three IEQ systems filters and blue lights. Installed 5-ton Coleman inverter condenser set unit for four tons of cooling performed evacuation pressure test and pre-charge system. Everything is operational at this time.
