Trane UniTrane Fan-Coil & Force Flo Air Conditioners, UNT-SVX07A-EN manual

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Installation, Operation, and Maintenance

UniTrane Fan-Coil & Force Flo Air Conditioners

200 to 1,200 cfm

Models FC & FF

“ZO” and later design sequence

Low vertical models FCKB & FCLB: “SO” and later design sequence

April 2005

UNT-SVX07A-EN

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Contents Models FC & FF ZO and later design sequence Installation, Operation, and MaintenanceCommon Hvac Acronyms General informationContents Model Number GeneralModel Number Description GeneralDigit 29 piping packages 0 = none Digit 28 auxiliary control valve 0 = noneDigit 30 control type 0 = none Digit 31 control optionTable I-GI-2. Low vertical fan-coil component data Table I-GI-1. Fan-coil component dataModel E horizontal recessed Available ModelsModel K low vertical cabinet Model M inverted vertical cabinetFactory-Installed Piping Packages Installation Weights DimensionsVertical Concealed Unit Dimensions & weights, in-lbs Vertical Concealed, Model aVertical Cabinet, Model B Vertical Cabinet Unit Dimensions, in-lbsHorizontal Concealed, Model C Horizontal Concealed Unit Dimensions, in-lbsHorizontal Cabinet, Model D Horizontal Cabinet Unit Dimensions, in-lbsHorizontal Recessed Unit Dimensions, in-lbs Installation Dimensions WeightsHorizontal Recessed, Model E Vertical Wall Hung Cabinet, Model F Vertical wall hung cabinet unit dimensions & weights, in-lbsVertical Recessed, Model H Vertical Recessed Unit Dimensions, in-lbsVertical Slope Top, Model J Vertical Slope Top Unit Dimensions, in-lbsLow Vertical Concealed, Model K Low Vertical Concealed Unit Dimensions, in-lbsLow Vertical Cabinet, Model L Low Vertical Cabinet Unit Dimensions, in-lbsInverted Vertical Cabinet, Model M Inverted vertical cabinet unit dimensions & weights, in-lbsInverted Vertical Recessed, Model N Inverted vertical recessed unit dimensions & weights, in-lbsFan-Coil Coil Connections Vertical Units Horizontal Units Horizontal Units Inverted Units Force Flo Coil Connections Vertical UnitsFresh Air Opening Dimensions, Horizontal Units Fresh Air Opening Dimensions, Vertical Units Wall Box Wall Box DimensionsProjection Panel Projection Panel DimensionsInstallation Preparation Pre-installation Installation considerationsReceiving and Handling Jobsite StoragePre-Installation Checklist Service AccessMechanical Connecting field piping to coilDuct Connections Piping ConsiderationsCondensate Drain Figure I-MR-4. Close-up view of the changeover sensor Venting the Hydronic CoilFigure I-MR-8. Manual circuit setter valve Balancing The Manual Circuit Setter ValveMechanical Steam Piping Code of System Components in Piping DiagramSupply Power Wiring Unit Wiring DiagramsWall Mounted Control Interconnection Wiring ElectricalTable I-ER-3. Decimal to fractional HP kW conversion Table I-ER-2. Low vertical free discharge motors, 115 voltTable I-ER-9. Electric heat kW Table I-ER-8. Fan-coil electric heat kWTable I-ER-11. Force Flo single stage, low kW electric heat Table I-ER-10. Force Flo single-stage, max kW electric heatTable I-ER-12. Force Flo 2-stage electric heat Installing the Unit InstallationUnit Leveling Figure I-IP-5. Zone sensor only Figure I-IP-3. Zone sensor with on/cancel Comm jackWiring Instructions Installing Wall Mounted ControlsFan Mode Switch Installation Zone Sensor InstallationUnit Leveling Installation ChecklistRecommended Communication Wiring Practices Communication WiringPre-startup Device AddressingPre-Startup Checklist Tracer ZN510 & ZN520 Unit Startup Installation startupGeneral Operation information Manual Fan Mode SwitchGeneral Information Relay BoardSequence Fan Mode Switch OperationTracer ZN010 & ZN510 Operation Tracer ZN520 OperationBinary Outputs Binary InputsAnalog Inputs Fan Mode SwitchZone Sensors Supply Fan OperationTracer ZN520 Sequence of Operation Heating Operation Cooling OperationDischarge Air Tempering Continuous Fan Operation Fan Mode OperationElectric Heat Operation Fan Start on High SpeedManual Fresh Air Damper Economizer Damper OptionTable O-SO-13. Binary output configuration Table O-SO-12. Binary input configurationsData Sharing Binary OutputsTable O-SO-15. Analog inputs Table O-SO-14. Analog inputsOn/Cancel Buttons Fan SwitchTable O-SO-16. Zone sensor wiring connections Zone SensorTable M-D-1. Tracer ZN520 Diagnostics Maintenance diagnosticsResetting Diagnostics Translating Multiple DiagnosticsDiagnostic Reset Cycling the Fan SwitchTable M-D-4. Valves Stay Closed Table M-D-3. Fan outputs do not energizeTable M-D-5. Valves Stay Open Table M-D-7. Fresh Air Damper Stays Open Table M-D-6. Electric Heat Not OperatingTable M-D-8. Fresh Air Damper Stays Closed Troubleshooting the Relay Board Maintenance troubleshootingSwitch SW1 Controller Type Switch SW2 Electric HeatRed Service LED Troubleshooting Tracer ZN010, ZN510 & ZN520Green Status LED Yellow Comm LEDBOP5 BOP6 Table M-T-1. Test sequence for 1-heat/1-cool configurationsMaintenance Procedures MaintenanceMain Drain Pan Steam and Hydronic Coil Cleaning Procedure Coil MaintenanceWinterizing the Coil Replacing the Motor Control Device ReplacementMonthly Checklist Periodic Maintenance ChecklistsMonthly Maintenance Annual MaintenanceCsti Fan Speed Switch Typical wiringCsti Non Fan Speed Switch Line voltage fan speed switch Tracer ZN010 with electric heat Tracer ZN510 with main and auxilliary valves ZN520 with 2-stage electric heat Page Page Page PL-TD-UNT-SVX07A-EN