Panasonic CU-4E23JBE Service Manual

Also see for CU-3E18JBE: Operating instructions Operating instructions Operating instructions Operating instructions Operating instructions

Panasonic CU-4E23JBE Service Manual Manual pdf 29 page image

29Outdoor Unit Installation Guidelines• Where a wall or other obstacle is in the path of outdoor unit’s intake or exhaust airflow, follow the installation guidelines below.• For any of the below installation patterns, the wall height on the exhaust side should be 1200mm or less.10.2. Install The Outdoor Unit• After selecting the best location, start installation to Indoor/Outdoor Unit Installation Diagram.1. Fix the unit on concrete or rigid frame firmly andhorizontally by bolt nut (ø10 mm).2. When installing at roof, please consider strong wind andearthquake.Please fasten the installation stand firmly with bolt ornails.10.3. Connect The Piping• Remove the control board cover (resin) from the unit byloosening three screwsConnecting The Piping To Outdoor UnitDecide piping length and then cut by using pipe cutter.Remove burrs from cut edge. Make flare after inserting theflare nut (locate at valve) onto the copper pipe.Align center of piping to valves and then tighten with torquewrench to the specified torque as stated in the table.Model A B C DCU-3E18***CU-4E23*** 613 mm 131 mm 16 mm 360.5 mmPiping size Torque1/4” [6.35 N•m] [18 N•m (1.8 kgf.m)]3/8” [9.52 N•m] [42 N•m (4.3 kgf.m)]1/2” [12.7 N•m] [55 N•m (5.6 kgf.m)]5/8” [15.88 N•m] [65 N•m (6.6 kgf.m)]3/4” [19.05 N•m] [100 N•m (10.2 kgf.m)]Do not over tighten, over tightening cause gas leakage.