York YAFS012-018 Manual

Contractor: P.O.:Engineer:Project Name: Unit Tag:The manufacturer works continually to improve its products. As a result, the design and specifications of each product at the time of order may be changed without notice. Purchaser’s approval of this data set signifies that the equipment is acceptable under the provisionsof the job specification. Statements and other information contained herein are not express warranties and do not form the basis of any bargain between the parties, but are merely the manufacturer’s opinion or commendation of its products. York and Affinity are registeredtrademarks of Johnson Controls, Inc., and are used with permission.Aurora Advanced with ECM and IntelliStart cont.Wiring Schematics cont.Communicating ThermostatDual Fuel Wiring DiagramUsing Field Installed Relay24VDCR from FossilFuel FurnaceTo Fossil FuelFurnace W inputEH1CABCBoardNote 11: Field installed SPST dual fuel relay(Required for dual fuel installation)Traditional ThermostatDual Fuel Wiring DiagramUsing Field Installed RelayY1Y2ORCLCRFossil FuelFurnaceThermostat24 VACCommon Common24 VACFault SignalReversing Valve2nd Stage Compressor1st Stage Compressor Y1Y2ORCLOABC BoardGG FanWWAuxiliary Heat RelayNote 11: Field installed SPST dual fuel relay(Required for dual fuel installation)Auxiliary Heat RelayP2P1AuxiliaryHeat RelayES= chassisCC2EH1FactoryFaultALGALMLSESACC cStatusAURORA BASECONTROL™RV – K1CC2CC – K2CC Hi – K3Fan – K4Alarm – K5Acc – K6ACC noACC ncO/BCRLOGY1Y2WDH3A-FuseO/BCRLOGY1Y2WDHLOGHICCGCCFGFRHPHPLPFP2FP2FP1REVREVCFMPWMECM PWMFactoryFactory Fan ConnectionR RC CCCR(-)(+)RS 485EH2CEH1CCO(+)(-)RCRS485 Exp FactoryCom1Com2ConfigGGGYRSW1 TestFP1 – 15 oF/30o FJW2 - AlarmP11P5P2 P1P8P7P9P6P3SW2P13P4 FP2 – 15 oF/30o FRV – B/OACC – Dip 4ACC – Dip 5CC – Dual/SingleL – Pulse/ContinuousReheat/NormalFactory UseField ConnectionsField Connections CLPFP1FCCGY112345678Off OnN/ARS485 NETNOCOMK6 Relay Connects to L2and NO onAXB BoardL2Figure 1:Optional InternalHot WaterGeneration PumpWiring SchematicDHWPumpBlueBlueCabinetHWSwitch321Purple VSGND24 VAC0-10DC123 RCABC BOARDAXB BOARDMODULATING VALVE12Notes3 – When Auxiliary Heat is field installed the harness will then be connected tothe auxiliary heat unit. The auxiliary heat unit will then power the blower. Refer toEAS/EAM/EAL Auxiliary Heat kit installation instructions.1 - Switch blue and red wires for 208V operation.2 - The blk/wh and gray/wh wires are removed when Aux Heat is installed9 - Wires provided for Auxiliary Heat low voltage control. Wires are secured at blower.5 – Brown blower power wire routed through Current Transducer two times.6 – Field Connected: Refer to Installation Manual and Auxiliary Heat Instructions forCurrent Transducer installation.7 – Variable speed pump low voltage harness provided with Variable Speed Flow Center.4 – Low voltage wiring CLASS 2.8 – Variable speed pump power wires to connect the pump to L1 and L2 on the AXB boardare provided with Variable Speed Flow Center.Current Transducer (CT)ThermistorLight emitting diode - GreenRelay coilCapacitor w/ bleed resistorSwitch - Condensate overflowSwitch - High pressureSwitch - Low pressurePolarized connectorFactory Low voltage wiringFactory Line voltage wiringField low voltage wiringField line voltage wiringOptional blockDC Voltage PCB tracesJunctionQuick connect terminalWire nutField wire lugGroundFuseCC -CO -K5 -K6 -CR3 -CR4 -F1 and F2 -WCL -HE -HP -LP -PB1, PB2 -PS -RV -SW1 -SW1 -SW2 -TS -Compressor ContactorCondensate overflow sensorDHW pump relayLoop pump relayFusesWater Coil Limit SensorHeater elementHigh pressure switchLow pressure switchPower blocksPower stripReversing Valve coilDIP package 5 position AXBTEST MODE ABC BoardDIP package 8 position ABC BoardThermal limit switchLegendRelay Contacts-N.O., N.C.GT132PL1PSC Fan Speed RelayPSC Fan Power RelayER1 to ER4 - Aux heat stage relaysHWL - Hot water limit sensorSC - Start ContactorStart RelaySR -CS - Compressor SolenoidBreakerAffinity & Affinity Advanced Series1 - 6 Tons 60HzSD2500AK6 06/21 53 Page _____ of _____