Specifications include, but are not limited to: a) Air Handlers, Cooling: • Clean air-cooled condenser and evaporator cooling coils, condensate drain pans and ensure a free path of drain from the pan to the waste drain receptacle • Check unit for refrigerant leaks, electrical starters, tighten all starter terminals and inspect contacts for wear, operation of and lubricate all dampers and inlet guide vanes, safety devices, chilled water control valves • Replace drive belts (if necessary) b) Air Handlers, Heating: • Clean all coils, condensate drain pans and ensure a free path of drain from the pan to the waste drain receptacle, combustion blower (if necessary) • Check operation and calibrate all gas components, burner sequence operation, combustion blower, safety devices, steam traps, hot water, and steam control valves • Inspect heat exchanger, electrical connections and contractors of Electric Heat Units • Replace drive belts (if necessary).