Panasonic 26PEK2U6 26PEK2U6 Service Manual - Page 181

WARNING It is important that you use extreme care in supporting the indoor unit from the ceiling. Ensure that the ceiling is strong enough to support the weight of the unit. Before hanging the ceiling unit, test the strength of each attached suspension bolt. (5) Screw in the suspension bolts, allowing them to protrude from the ceiling (Figs. 1-191 and 1-192). The distance of each exposed bolt must be of equal length within 1-31/32" (50 mm). (Fig. 1-193) 1. Specifications b) Suspend the indoor unit to the bracket. Tighten the M8 or 5/16" suspension bolts and fix the indoor unit in place. (Fig. 1-197) M8 or 5/16" suspension bolt M4 or 5/32" screw for preventing bracket from taking off Within 1-31/32" (50 mm) Unit Ceiling surface Bracket Fig. 1-193 (6) Carry out the preparation for suspending the indoor unit. The suspension method varies depending on whether there is a suspended ceiling or not. (Figs. 1-194 and 1-195) (7) Suspend the indoor unit as follows: a) Install the bracket to the suspension bolt. Stick it onto the ceiling surface. (Fig. 1-194~1-196) Suspension bolt (not supplied) Unit Bracket Unit Ceiling surface Washer (supplied) Double nut (not supplied) Fig. 1-194 Suspension bolt (not supplied) Washer (not supplied) Washer (supplied) Double nut (not supplied) Fig. 1-195 Approx. 63/64" (25 mm) Ceiling surface Washer (supplied) Double nut (not supplied) Suspension bolt Fig. 1-196 M8 or 5/16" suspension bolts Fig. 1-197 NOTE The ceiling surface is not always level. Confirm that the indoor unit is 1 evenly suspended. For the installation to be correct, leave a clearance of about 1-31/32" (10 mm) between the ceiling panel and the ceiling surface and fill the gap with an appropriate insulation or filler material. 6-59. Duct for Fresh Air (Field supply) There is a outside air intake duct connection port (cut out hole) at the left-rear of the indoor unit for drawing in fresh air. If it is necessary to draw in fresh air, remove the cover by opening the hole and connecting the duct to the indoor unit through the connection port. (Refer to Fig. 1-183) 6-60. Shaping the Tubing The positions of the refrigerant tubing connections are shown in the figure below. (The tubing can be routed in 3 directions.) (Fig. 1-198) * When routing the tubing out through the top or right sides, cut out the cover of the top panel and cut notches in the side panel (Refer to Fig. 1-199). Fig. 1-198 Use a box cutter or similar tool to cut out the part of the cover indicated by the marked area (Fig. 1-199), to match the positions of the tubes. Pass all refrigerant tubes through this hole. 6-61. Installing the Drain Pipe Cover Fig. 1-199 Prepare hard PVC pipe for the drain and connect it to the indoor unit drain pipe with the supplied hose band to prevent water leaks. Measure the thickness of the wall from the inside to the outside and cut PVC pipe at a slight angle to fit. Insert the PVC pipe in the wall. (Fig. 1-201) 1-173