Panasonic 26PEK2U6 26PEK2U6 Service Manual - Page 148
Installing the Drain Piping, 24. Duct for Fresh Air
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6-24. Duct for Fresh Air There is a duct connection port (knock-out hole) at the right-rear on the panel top of the indoor unit for drawing in fresh air. If it is necessary to draw in fresh air, remove the cover by knocking it out and connect the duct to the indoor unit through the connection port. (Fig. 1-97) If connection at the right-rear on the panel top is not appropriate, another duct connection port can be made by cutting an opening on the left side of the rear panel of the indoor unit as shown in Fig. 1-98. 1. Specifications Duct connection port (Knock-out hole) Panel Top Fig. 1-97 6-25. Installing the Drain Piping Right side Prepare a standard PVC pipe for the drain and connect it to the indoor unit drain pipe with the supplied hose clamps to prevent water leaks. 1 Connect the drain piping so that it slopes downward from the unit to the outside. (Fig. 1-99) Never allow traps to occur in the course of the piping. Insulate any piping inside the room to prevent dripping. A Use the supplied drain pipe to connect the drain pipe B with the drain outlet of the indoor unit. S-26PT1U6 3-15/16" 1-3/8" After connecting the drain pipe securely, wrap the supplied drain pipe insulator around the pipe, seal the gap at the drain socket with the supplied black insulation tape, then secure it with clamps. (Fig. 1-100) After the drain piping, pour water into the drain pan to check that the water drains smoothly. Rear side A 4-11/32" B 3-15/16" Cut this portion S-36PT1U6, S-42PT1U6 7-3/32" 1-31/32" Fig. 1-98 Good Min. 1/100 CAUTION Check local electrical codes and regulations before obtaining wire. Also, check any specified instruction or limitations. Not good Fig. 1-99 Drain pipe clamp (supplied) Indoor unit Adhere with PVC adhesive. Hard PVC pipe (not supplied) Side Packing softened Drain hose (supplied) (supplied) Fig. 1-100 Drain hose adapter (supplied) 1-140