Hefei do air heat pump water company which

 4, water pipe installation: Hefei make air heat pump hot air heaters companies which preferred 25PPR pipe inlet and outlet pipe (commonly known as 6 charge), pay attention to water screw or 4; air to the water heater is the water heater outlet pipe actually is manifold, diameter to be bigger, to avoid "hot and cold" phenomenon. Install Client backwater device, return pipe diameter only four points on the line. 5, Hefei do air heat pump water company which outlet: a three-pin plug power socket, diameter 1.5 square (or more), preferably with waterproof box. 6. What are the basic requirements for Hefei do on-site installation of air heat pump water companies: 6.1, bulk machine must be on-site installation, so to carry the vacuum pump, level meter, brass expanding the interface tool, especially a vacuum pump, which is the key equipment. 6.2, the coil and the connecting pipe must be evacuated to a vacuum of 550 mm Hg and above; if using refrigerant expelled brass interior air, is bound to reduce the amount of refrigerant (refrigerant manufacturers will not be more expensive) it is to affect the heating efficiency It will pollute the environment. 6.3, the host level deviation to be less than 5mm 7, Hefei do air heat pump water companies which test program: 7.1, the first pick of cold water pipe, water pipe connected with the inlet valve position (cold water pipe joints should be installed overhaul valve); 7.2, water irrigation, the water tank irrigation is the most important part (irrigation must be completed before the hot water pipe connection), hot water is flowing out of the mouth water (indicating that the tank has been filled with water) to close the valve and stop irrigation; 7.3, then the hot water pipe, open the inlet valve; 7.4, plug the power cord start running 7.5, check the water lines, listen to the voice, view the fan, observe the instrument, run 10 minutes without exception after the completion of the test machine.