Panasonic S-12MT2U6 Installation Instructions Manual

Also see for S-12MT2U6: Installation instructions Operating instructions Installation instructions Installation instructions Operating instructions

Contents

12NOTE(1) Refer to Section “4-2. Recommended Wire Lengthand Wire Diameter for Power Supply System” for theexplanation of “A”, “B” and “C” in the above diagram.(2) The basic connection diagram of the indoor unit showsthe 6P terminal board, so the terminal boards in yourequipment may differ from the diagram.(3) Refrigerant Circuit (R.C.) address should be set beforeturning the power on.(4) Regarding R.C. address setting, refer to the installationinstructions supplied with the remote controller (optional).Auto address setting can be executed by remotecontroller automatically.(5) Ensure that the ground shield cable for inter-unit controlwiring between outdoor and indoor units should beconnected to the outdoor unit.(6) For the inter-unit control wiring between the indoor units,be sure to connect between the shield.Then connect it to the shield of inter-unit control wiringbetween outdoor and indoor units.(7) Ensure that the ground shield cable for a remotecontroller should be connected only to the indoor unit.4-3. Wiring System DiagramsL1 L2 U1 U2 R1 R26P terminal boardType T2Powersupply RemotecontrolwiringInter-unitcontrolwiringFig. 4-2Fig. 4-1ALWAYS COMPLY WITH NATIONAL ANDLOCAL CODE REQUIREMENTS.****U2U1L2L1R2R12U21U1212121CL1L2L3L1L2L1L22121L1L2L3U2U1L2L1R2R1U2U1L2L1R2R1L2L1L3L2L1L3AAAABB*L1L2* NOTE:Disconnect Switch may be needed by theNational/Local code.Power supply208 / 230 V, 60Hz, 3PH* Disconnect switch(Field Supply)Inter-outdoor unit control wiringOutdoor unitINV unitPower supply208 / 230V, 60Hz, 1PHPower supply208 / 230V, 60Hz, 1PHPower supply208 / 230V, 60Hz, 1PHGroup control:Indoorunit (No. 1)Indoorunit (No. 2)Indoorunit (No. 3)Outdoor unitINV unitGroundGroundGroundGroundGroundGroundGroundGroundGroundGroundGroundGroundGroundGroundRemoteControllerRemoteControllerWHTBLKWHTBLKPower supply208 / 230 V, 60Hz, 3PH