FlowCon AHU Wafer 50-80mm AUTOMATIC BALANCING VALVE WITH PRE-SET INSERT INSTALLATION AND OPERATION INSTRUCTION FlowCon AHU Wafer 50-80mm, 2”-3” Install the FlowCon AHU Wafer as called for in the design drawings. INSTALL THE AHU WAFER HOUSING WITH THE FLOW DIRECTIONAL ARROW POINTING IN THE CORRECT DIRECTION. The FlowCon AHU Wafer (Model Nos. F386.X.X.B) is available for end connections of DIN steel flanges from PN10 and up. For valve sizes 2½” and 3” ANSI steel flanges from class 150 and up are available and for size 2” ANSI steel flanges class 300 are to be used. Flanges are not supplied by FlowCon. Extended pressure/temperature fittings (p/t plugs) are included as standard. Before finger mounting the p/t plugs in the body tappings, pls. seal the threads of the p/t plugs (DO NOT OVER TIGHTEN). Inserting the insert: For FlowCon AHU Wafer bodies size DN50DN80 (figure 1), a 3” stainless steel insert (either standard flow or high capacity) is available. It is recommended that the o-ring located around the insert is lubricated with silicone grease, before the insert is installed into the valve body. IMPORTANT: Never use mineral oil or petrol based grease or oil on the o-ring. When inserting the insert, be assured to check the placement of the o-ring. There is no need to use tools - the insert can be inserted/removed by the fingers. Once the insert is installed in the valve body, the retainer clip is fitted to hold the insert in proper place. Assembly drawing FlowCon AHU Wafer AHU Wafer housing O-ring 3” Stainless steel insert (optional) Retainer clip Extended p/t plug (2 pcs.). Figure 1 Denmark Dubai USA Singapore -1- FlowCon International assumes no responsibility for mistakes, if any, in any printed material. www.flowcon.com 1W95000 - 04/2016
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