Laserfiche WebLink
Air Evacuation 7 <br /> _. <br /> II-II <br /> ("Th ("Th <br /> 1.1.1 I." <br /> i <br /> , , 41Ik „• _ .... <br /> ,, <br /> 1.o <br /> . I 0,, <br /> Preparations and Precautions Evacuation Instructions <br /> Air and foreign matter in the refrigerant circuit Before using the manifold gauge and vacuum <br /> can cause abnormal rises in pressure, which pump, read their operation manuals to familiarize <br /> can damage the air conditioner, reduce its yourself with how to use them properly. <br /> efficiency, and cause injury. Use a vacuum pump <br /> and manifold gauge to evacuate the refrigerant Manifold Gauge <br /> circuit, removing any non-condensable gas and Compound gauge Pressure gauge <br /> moisture from the system. 0 0Evacuation should be performed upon initial 76cmHg� ■ <br /> installation and when unit is relocated. ? High pressure D <br /> Low pressure valve/ _L 1 . valve <br /> m <br /> BEFORE PERFORMING EVACUATION Pressure hose/—� \\ _ Char9e hoseCheck to make sure that both high- charge hosevacuum <br /> pressure and low-pressure pipes between W <br /> o /pumpthe indoor and outdoor units are <br /> connected properly in accordance with the \ z.A .N. <br /> Refrigerant Piping Connection section of <br /> this manual. Low pressure valve <br /> f Check to make sure all wiring is connected Fig. 6.1 <br /> properly. 1. Connect the charge hose of the manifold <br /> gauge to service port on the outdoor unit's <br /> low pressure valve. <br /> 2. Connect another charge hose from the <br /> manifold gauge to the vacuum pump. <br /> 4 Page 29 ► <br />