WHEN YOU ARE REQUIRED TO USE THE UNIFORM HAZARDOUS WASTE. MANIFEST FOR HAZARDOUS WASTE, LIQUID INDUSTRIAL WASTE, AND. POLYCHLORINATED BIPHENYL SHIPMENTS. Federal and state regulations require generators, transporters of hazardous waste, and owners or.
With ground coupled systems water is taken from the ground or surface water (pond, lake, etc.), circulated to the individual heat pumps and the returned to the ground. With refrigerant loop systems a refrigerant such as R-22 is substituted for the water.
In the heating mode they use a water-to-refrigerant heat exchanger as the. evaporator for the refrigeration process. Their condenser is an air-cooled coil. Air ï¬ow. is provided by a blower, and the conditioned air is distributed through a duct system.