vrf system outdoor unit for air condensing unit

iron vehicle machine mast wall blue facade window fence stadium roof electricity transport handrail industry furniture vrf system outdoor unit air condencing condensing side area air condenser cooling hvac compressor technology heat home cool fan electric industrial conditioning system equipment background ac industry repair cold conditioner unit ventilation vector temperature cooler condition maintenance building machine outdoor electrical icon pump power white heater vent climate isolated control outside energy electricity central rooftop refrigeration pressure