Carrier ROOM AIR CONDITIONER Installation Manual

Also see for ROOM AIR CONDITIONER: Operating manual User guide

Contents

31ELECTRICAL WORKFig.61Connect the cable to the outdoor unit1. Remove the electrical control board coverfrom the outdoor unit by loosening the screwas shown in Fig.612. Connect the connective cables to theterminals as identified with their respectivematched numbers on the terminal block ofindoor and outdoor units.3. Secure the cable onto the control board withthe cord clamp.4. To prevent the ingress of water, from a loopof the connective cable as illustrated in theinstallation diagram of indoor and outdoorunits.5. Insulate unused cords (conductors) withPVC-tape.Process them so they do nottouch any electrical or metal parts.Wiring connectionNOTE: Before performing any electricalwork, turn off the main power to the system.Connection Cable10mm 40mmCAUTIONSDo not touch the capacitor even if youhave disconnected the power for there isstill high voltage power on it, or electricshock hazard may occur. For your safety,you should start repairing at least 5 minuteslater after the power is disconnected.The power is supplied from the OutdoorUnit. The Indoor Units are connectedwith signal wires or power cords areconnected reliably and correctly, or theair conditioner could not run normally.Fig.62CAUTIONSMake sure to connect the indoor unit (A,B, C, D,E) to the Hi and Lo valve and terminals of signalwires(A, B, C, D, E) of outdoor unit as identifiedwith their respective matched connection.Wrong wiring connections may cause someelectrical parts to malfunction.Minimum norminal cross-sectional areaof conductors:Rated current of appliance(A)Nominal cross-sectional2area (mm )>3 and <6>6 and <10>10 and <16>16 and <250.7511.52.5ScrewCoverConnective cableof indoor unit andoutdoor unitConnective cableof indoor unit andoutdoor unitConnective cableof indoor unit andoutdoor unitConnective cableof indoor unit andoutdoor unitConnective cableof indoor unit andoutdoor unitOne-two One-three One-fourOne-fivePOWEREESuggest Minimum Wire Size(AWG:American Wire Gage):Appliance Amps AWG Wire Size101318251816141230 10The cable size and the current of thefuse orswitch are determined by the maximum currentindicated on the nameplate which located on theside panel of the unit. Please refer to thenameplate before selecting the cable, fuse andswitch. Please refering to the above tables andchoosing the proper wire size under the localelectrical requirements.NOTE: