EDUS091617 Option ListSplit Type Air Conditioners FFQ-Q Series 16313.3 Adaptor for WiringPCB supportAdaptorX2MX1 (or X3)X2 (or X4) X2 (or X4)X1 (or X3)X1MIndoor unit PCBY1YC YCY2X2AX1A~~ ~24VACQuantity ×4Harness(KRP1C75)Note)1 Connector No. X33AAccessoriesClampExample: InterlockShapeName PCB support×1Electric wiring1 Thermo-ON and Fan ON status×1×1(KRP1BA101)Installation manual24VAC(KRP1BA101)Adaptor for wiringCheck if the following accessories are included in the kit.2 Interlocking Heater and Humidifier×3InstallationExample: Obtaining statusNote)124VAC• Refer to the wiring diagram attached to the indoor unit beforeattempting to wire.[Make sure wires to units do not pass over the PCB when wiring.]• Wire the adaptor to the indoor unit as shown below.• Thermo-ON statusContact terminals X1 and X2 closewhile the indoor unit is Thermo-ON(call for cooling or heating)• Fan ON statusContact terminals X3 and X4close when indoor unit fan isONDry contactto BMS orMonitoringpanel24VACRelay orActuator24VACHeaterRelay24VACHumidifierInterlockRelay• Heater output• Auxiliary heater output withheat pump heating• Primary heater output whenheat pump lockout enabled• Humidifier output• Energized while heatingThermo-ON (call for heating)• Installation differs according to models as shown below.• Do not bundle low and high voltage wires together.• Bundle any excess wires with the attached clamps so as tokeep loose wires off the indoor unit PCB.Lid ofinstallation boxInstallation boxfor adaptor PCB• All wiring must be performed by an authorized electrician.• For electric wiring work, refer to also "Wiring diagram" attached to the control box lid and this manual.• All wiring must be worked after shutting down power supply.• All field supplied parts and materials and electric works must conform to local codes.• A circuit breaker capable of shutting down power supply to the entire system must be installed.Names of partsF2UHarnessF1U X1AX3YCX2AX2Y2X1Y1X4Terminals for operation statusTerminals for controlling external heater, humidifier, and other equipment.This function can not be used.2P263038-1E
