Panasonic CU-2E18SBE Service Manual

Also see for CU-2E12SBE: Operating instructions Operating instructions Operating instructions Operating instructions Operating instructions

Panasonic CU-2E18SBE Service Manual Manual pdf 46 page image

465. For wire stripping and connection requirement, refer to the diagram below.6. Secure the power supply cord and connecting cables onto the control board with the holder.7. Attach the control board cover back to the original position with screw.This equipment must be properly earthed. Note: Isolating Devices (Disconnecting means) should have minimum 3.0 mm contact gap. Earth wire shall be Yellow/Green (Y/G) in colour and longer than other AC wires for safety reason.10.2.6 Heat InsulationUse a material with good heat-resistant properties as the heat insulation for thepipes. Be sure to insulate both the gas-side and liquid-side pipes. If the pipes arenot adequately insulated, condensation or water leakages may occur.Liquid-side pipes Material shallwithstand120°C or higherGas-side pipesCUTTING AND FLARING THE PIPING1. Please cut using pipe cutter and then remove the burrs.2. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused.Turn the piping end down to avoid the metal powder entering the pipe.3. Please make flare after inserting the flare nut onto the copper pipes.CU-3E23***, CU-3RE18***Colour of wires (Connection cable)(Power supply cord)Terminals on the indoor unitTerminals on the outdoor unitTerminals on the isolating devices(Disconnecting means)(UNIT A) (UNIT B)1 11 1L(L)2 22 2N(N)3 33 3(UNIT C)112233pCU-3E23***, CU-3RE18***Indoor & outdoorconnection cableUnit A Unit BUnit CPower SupplyCordIsolatingDevicesIndoorUnit AIndoorUnit CIndoorUnit BWire stripping(gap betweenwires)No loose strand wheninsertedIndoor/outdoorconnectingterminal board10 ± 1 mm Conductor fullyinsertedConductor overinsertedConductor notfully insertedACCEPT PROHIBITED PROHIBITEDWIRE STRIPPING AND CONNECTING REQUIREMENT5 mmor more1. To cut■ Improper flaring ■Inclined SurfacedamagedCracked UneventhicknessBarRed arrow markHandleCoreYokeClamphandleBar 0 – 0.5 mmCopper pipe When properly flared, the internal surfaceof the flare will evenly shine and be ofeven thickness. Since the flare part comesinto contact with the connections, carefullycheck the flare finish.Reamer2. To remove burrs 3. To flarePoint downPipe