Roof Top Air-Conditioner 24vdc Internal Hydraulic O-C Compressor

P-9977-H ROOFTOP HEATER AIR CONDITIONER, Integral Hydraulic Driven Compressor available in Open Center Gear Pump Style or Closed Center Pressure Compensated/Load Sense, ELECTRIC 24VDC DRIVE,COMPRESSOR INTEGRAL,REGULAR ENGINE DRIVEN COMPRESSOR ,24,000 BTUS or 7.0 Kw Cooling and 24-30,000 BTUS or 7-8 Kw Glycol Coolant Heating from Engine Source