It is important to install these circulators with the split between the circulator body and the motor in a vertical position. Install the circulator in either the outlet or inlet line to the boiler or hot water heater. The circulator is supplied for up discharge installation. Before Installing, check that the flow direction of the water through the pump body matches the arrow on the circulator body. Thoroughly flush the system out before installing the circulator. This will eliminate the possibility of solder dropping into the pump body. astro 2 models model power supply rating astro 220ssu 33w, 0.29a astro 225ssu 83w, 0.69a astro 225bs ½" swt 75w, 0.64a astro 225bs O" swt 75w, 0.64a astro 230ss 97w, 0.81a astro 230ci 97w, 0.81a astro 230ci-r 115v, 60hz 97w, 0.81a astro 250ss 117w, 0.98a astro 250ci 117w, 0.98a 2.0 installing We recommend that any soldering be done before the pump is actually installed. 1 Installation and operating instructions Astro 2, 3-speed File No: Date: jSupersedes: Date: july 18, 2012ģ contents 1.0 Introduction Installing Terminal box Electrical wiring Check valve removal (optional) Start up Installation troubleshooting guide 6Ĥ installation & operating instructions Astro 2, 3-speed 4 These installation and operating instructions are applicable to the following Astro 2 models.
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