Servicing a Lennox heat pump system, part of a planned maintenance agreement bi-annual checkout. Inspecting air filter. Checking coils for cleanliness. Inspecting blower for cleanliness and operation. Tested 15KW emergency heat and wiring. Checked 410A refrigerant charge. Tested outdoor unit electrical components. Tested heat pump defrost operation. And tested thermostat control for proper operation. No issues found on equipment for todays checkout.
