Trane BCVC, BCHC manual BCXC-SVX01B-EN

Page 6

Steam Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Controls Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Control Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Tracer Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Rover Service Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Pre-Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46 Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Tracer ZN Controller Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . 48 Cooling Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Fan Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Two- and Four-Pipe Changeover Operation . . . . . . . . . . . . . . . . . . . . . . . 55 Electric Heat Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Economizer Damper (Tracer ZN520 Only) . . . . . . . . . . . . . . . . . . . . . . . . . 56 Tracer Dehumidification (Tracer ZN520 Only) . . . . . . . . . . . . . . . . . . . . . 57 Data Sharing (Tracer ZN510 or ZN520 Only) . . . . . . . . . . . . . . . . . . . . . . 57 Binary Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Analog Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 Binary Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 Zone Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Coil Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Periodic Maintenance Checklists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

LED Activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Manual Output Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Translating Multiple Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Resetting Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Common Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

6

BCXC-SVX01B-EN

Page 5 Page 7
Image 6
Page 5 Page 7
Contents Blower Coil Air Handler AprilRefrigerant warning information Environmental ConcernsResponsible Refrigerant Practices Hazard of Explosion and Deadly Gases About This Manual TrademarksTable of Contents BCXC-SVX01B-EN Digits 5, 6, 7 Unit Size Digit 16 Motor HorsepowerDigits 1, 2, 3, 4 Unit Model Digit 8 Unit VoltageModel Number Description General Information Blower Coil General InformationGeneral Information Pre-Installation Receiving and HandlingJobsite Storage Recommendations Pre-Installation Installation PreparationService Access Unit size Dimension aImproper Unit Lift Unit Handling ProcedureRigging and Handling Unit Location RecommendationsPre-Installation Checklist Skid RemovalUnit Size RH LH Weight Dimensions and WeightsHorizontal blower coil dimensions in. and weights lb Horizontal Blower CoilUnit Size Weight Dimensions and WeightsVertical blower coil dimensions in. and weights lb Vertical Blower CoilAngle filter and mixing box dimensions in. and weights lb Angle Filter and Mixing BoxUnit size Bottom or Top Access Filter Box AIR Flow Filter Filter Access PanelElectric heat dimensions in. and weights lb Electric HeatCoil Connections, NPT Steam coil box dimensions in. and weights lbSteam Coil Supply ReturnDX coil connection sizes, OD Coil ConnectionsHydronic coil connection sizes, OD Steam coil connection sizes, female connection, NPTPiping Packages Basic PipingDimensions and Weights Deluxe Piping Piping Nominal Actual sizeZone Sensor Installation Installation ControlsInstalling Wall Mounted Controls Wiring InstructionsService Communication Wiring Communication WiringInstallation Controls Zone Sensors Without Interconnecting WiringTracer Summit Communication Wiring Installation Electrical Wire size range Max. wiring distance Installation ElectricalZone sensor maximum wiring distances, ft m Electrical Grounding Restrictions Hazardous VoltageUseful Formulas Available electric heat, min-max kWUnit size Voltage Motor electrical data 190/50/3 220/50/1240/50/1 380/50/3Bchc Installation Procedure Installation MechanicalInstalling the Unit Horizontal Units, Model BchcInstallation Mechanical Vertical Units, Model BcvcHeating Coil Option Mixing Box OptionMixing Box Installation Procedure Linkage Installation ProcedureCondensate Drain Connections Recommended drain trap installation for draw-through units Duct ConnectionsPotential coil-freeze condition Installation PipingWater Coil Connections Refrigerant Coil PipingInstallation Piping Valve DamageSuction Line Field-Installing Evaporator Piping Field-installed evaporation piping exampleGeneral Steam PipingCoil Condensate Steam CoilsType NS steam coils, horizontal tubes for horizontal airflow Controls Interface Control OptionsTracer Controllers Tracer controller input/output summary Rover Service SoftwareControls Interface Tracer controller ZN010 ZN510 ZN520Tracer controller function summary End Device Option AvailabilityTracer Control Device ZN010 Tracer ZN510 Tracer ZN520 Receiving Pre-Start ChecklistPre-Start Unit LocationUnit Piping Pre-Start Component OverviewDuctwork ElectricalStart-Up Sequence of OperationTracer ZN Controller Sequence of Operation Sensor type Sensor position Unit occupancy mode Occupied ModeUnoccupied Mode Start-UpOccupied Standby Mode Tracer ZN510 or ZN520 only Cooling OperationOccupied Bypass Mode, Tracer ZN510 or ZN520 Only Discharge Air Tempering Tracer ZN520 Only Start-Up Economizer Cooling Tracer ZN520 OnlyDX Cooling Tracer ZN520 only Heating OperationAuto fan operation Fan speed default Fan Mode Operation Rotating ComponentsTracer ZN520 fan configuration Fan sequence of operationTracer ZN520 Fan Speed SwitchTracer ZN010 and ZN510 Continuous Fan OperationStart-Up Fan Cycling Operation Fan Off DelayFan mode operation, Tracer ZN010 and ZN510 Fan Start on High SpeedTwo- and Four-Pipe Changeover Operation Entering Water Temperature Sampling FunctionLocal fan switch enabled Fan operation in heating and cooling modesElectric Heat Operation Unit mode as related to water temperatureUnit type EWT sensor required? Coil water temperature Economizer Damper Tracer ZN520 OnlyData Sharing Tracer ZN510 or ZN520 Only BIP1 Low Temperature Detection OptionTracer Dehumidification Tracer ZN520 Only Binary InputsBIP3 Occupancy Sensor Binary input configurationsBIP2 Condensate Overflow Detection Option BIP4 Fan Status ZN520 OnlyAnalog inputs Analog InputsBinary Outputs Analog input Terminal Function Range ZN010 ZN510 ZN520Zone sensor wiring connections Space Temperature MeasurementBinary output configuration Zone SensorFan Switch Fan Mode SwitchExternal Setpoint Adjustment Local SetpointOn/Cancel Buttons Communication JackMaintenance Maintenance ProceduresFan Belt Tension MaintenanceFan Assembly Set Screws Torque in.-lb Ft-lbBelt tension BCBH/BCVC valve package waterflow limitsBCHC/BCVC coil general data Hydronic coil dataRow coil Steam coil data Drive data Unit Motor Motor sheave Fan sheave Belt1750 1450 Size Watts Browning Trane 60 Hz 50 Hz Inspecting and Cleaning Coils Coil MaintenancePotential unit damage from coil cleaners Steam, Hot Water, and Cooling Coil Cleaning ProcedurePeriodic Maintenance Checklists Rotating partsMaintenance Diagnostics TroubleshootingLED Activity Diagnostics Manual Output Test ProcedureManual Output Test Tracer ZN520 test sequence DiagnosticsTranslating Multiple Diagnostics Fan Cool output a Heat output Damper Steps J1-1, J1-3Resetting Diagnostics Automatic Reset by the ControllerRover Service Tool Diagnostics Manual Output TestCycling Power Diagnostic Reset Tracer ZN510 or ZN520 OnlyDiagnostic Latching Fan Valves Electric heat Damper Tracer ZN010 and ZN510 controller diagnosticsTracer ZN520 diagnostics Diagnostic Fan Other outputsaValves stay closed Common DiagnosticsFan outputs do not energize Probably cause ExplanationValves stay open Electric heat not operatingFresh air damper stays closed Fresh air damper stays open DX or electric outputs do not energizeWiring Diagrams Two-Pipe Bcxc with Tracer ZN510Wiring Diagrams Four-Pipe Bcxc with Tracer ZN510Four-Pipe Bcxc with Tracer ZN510 Two-Pipe Bcxc with Tracer ZN520 Four-Pipe Bcxc with Tracer ZN520 Four-Pipe Bcxc with Tracer ZN520 Four-Pipe Bcxc with Tracer ZN520 Four-Pipe Bcxc with Control Interface Four-Pipe Bcxc with Control Interface Field Installed Device Bcxc with DX Coil and Tracer ZN520Bcxc with DX Coil, Hydronic Heating, and Tracer ZN520 BCXC-SVX01B-EN
Top Page Image Contents