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How to install MarketAir rough-in boxes

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Install Lineset and Cable First, line up the  RoughinBox base with the mark on the studs. Insert the box in between the studs and attach it in place by using the four integral mounting brackets. MarketAir RoughinBox Installation Preparing the RoughinBox Select 1/2 inch or 1/4 inch port as needed when you are using a cable port. Now, you have to cut as X marked on the top of the port with a utility knife and push the cable through the opening. This will create an integral strain relief bushing for preventing the cable from pulling out by itself. If your box includes five lineset ports one on each end, one on the bottom, and two on top. For the bottom or top line ports, line sets from the evaporator should run from right to left so facing front of RoughinBox. You have to try always to bring lineset into the box from the left to avoid a difficult connection to the evaporator. Make sure that you keep lineset entry orifice ...