Trane SCXG-SVX01B-EN Variable Frequency Drive with Bypass, Electrical Installation Procedure

Page 29

Dimensions &

Weights VFD

Electrical Installation Procedure

Refer to the National Electric Code, section 310-16 for sizing wires 4B - 9B. All other control wires should be twisted shielded or twisted pair shielded, 20 - 14 AWG, with lead length not to exceed 164 feet. When using shielded wire, the shield sheath must be connected at the VFD only.The connection on units withVFD is J13-S.The connection on unis withVFD/ bypass is ITBI-10.

Variable Frequency Drive with Bypass

C

A

B

FD

E

VFD with bypass dimensions, in.

G

H

voltage

hp

A

B

C

D

E

F

G

H

460

7.5

30.40

28.03

16.14

23.35

24.85

0.75

8.59

10.63

 

10

 

 

 

 

 

 

 

 

208

7.5

41.28

38.89

16.14

24.00

25.5

0.75

10.95

12.99

 

10

 

 

 

 

 

 

 

 

 

15

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

46015

20

25

208

25

50.81

48.35

21.36

31.61

33.41

0.90

12.36

14.41

SCXG-SVX01B-EN

29

Image 29
Contents Models JO and later design sequenceHazard Identification IntroductionSpecial Note on Refrigeration Emissions HazardousVoltage w/CapacitorsContents Refrigerant Handling Procedures Features and BenefitsModular Series Self-Contained Unit Components Unit Nameplate Installation informationModel Number Description Model Number Description ScwgDigit 22 Unit Finish Digit 31 Compressor ServiceValvesDigit Digit 24 Unit ConnectionModel Number Description Pswg Self-Contained Ship-WithAccessory Model Number DescriptionAfter-ShipmentAccessory Model Number Shipping Package Receiving and HandlingInstallation Preparation Table I-PC-1. Service and code clearance requirements ServiceAccessSection TopView CCRC/CIRC 20, 29Lifting Equipment Capacity Rigging and Unit HandlingFigure I-PC-7.Assembled modular unit proper rigging Unit Handling ProcedureIntelliPak UnitsUCM Only Split-Apart Unit AssemblyRemove panels FML, FMM, and FMR Units with Thermostat OnlyFigure I-PC-9 How to assemble the split apart modular unit External Unit Isolation Pre-Installation ChecklistSkid Removal Weights DimensionsSCWG/SIWG Dimensions, Left-side viewLeft-side View Right-side view Top view SCRG/SIRG Dimensions,SCRG/SIRGWeight, lbs Detail Dimensions, Dimensions WeightsCCRC/CIRC -Air-Cooled Condenser CCRC/CIRC Air-cooled condenser dimensions & weight, in-lbsCCRC/CIRC Electrical connections, CCRC/CIRC Refrigerant connections,Hot Water Coil Hot water coil dimensions & weight, in-lbsSteam Coil Steam coil dimensions, in-lbsFlexible Horizontal Discharge Plenum Electric heat coil dimensions & weight, in-lbsElectric Heat Coil Waterside Economizer Waterside economizer weight, in-lbsDetail a Detail B Airside economizer dimensions & weight, in-lbsAirside Economizer Variable Frequency Drive Option VFD Dimensions Weights VFDControl and LineVoltage Result in death or serious injury Mounting RequirementsVariable Frequency Drive with Bypass Electrical Installation ProcedureVFD with bypass dimensions, Duct Connections Mechanical SpecificationsWater Piping Hazardous Voltage w/Capaci- torsTable I-MR-1. Water Connection Sizes Waterside Piping ArrangementsHazard of Explosion and Deadly Gases Brazing ProceduresRefrigerant Piping Air-Cooled Units Only Supply PowerWiring Unit Wiring DiagramsLive Electrical Components Equipment DamageSelection Procedures Pre-Startup Procedures Installation requirementsSupply Fan Isolators Shipping bracketFigure I-PR-3. Correct plenum insulation placement Unit Installation Airside Economizer InstallationField Wiring Connections Unit HandlingTransducer Location Static PressureTransducer Installation VAV units onlyInstalling theTransducer Figure I-PR-7. Installing the waterside economizer Waterside Economizer Installation ProcedureTubing assemblies for waterside econo Mizer left-hand piping Waterside Economizer Ship-Separate Parts List Unit Structural Integrity Hydronic Coil InstallationInstallation Procedure Table I-PR-2.Available Electric Heat kW Electric Heat InstallationElectric Heat CoilWiring Procedure Zone Sensor Options for IntelliPak Control Units Standard with All IntelliPak UnitsCV Unit Zone Sensor Options BAYSENS077* DescriptionVAV Unit Zone Sensor Option CV andVAV Unit Zone Sensor OptionsBAYSENS074 Description BAYSENS073 DescriptionWiring Zone Sensor InstallationMounting Location Mounting the SubbaseRight Mounting Directly to the Wall Mounting to Junction Box Programmable Zone Sensors ConstantVolume Zone Sensor BAYSENS019 DescriptionVariable AirVolume Zone Sensor BAYSENS020B Description Airflows from adjacent zones or other units Programmable Zone Sensor InstallationTime Clock Installation Checklist Time Clock InstallationWiring theTimeclock Time Clock OptionHuman Interface HI Panel Remote Human Interface Panel InstallationRemote Human Interface Panel Location RecommendationsWall Mounting the RHI Panel ProcedureMounting the Remote Human Interface RHI Panel Pre-startup LowVoltage AC FieldWiring Connections Wiring the Remote Human InterfaceCommunication Link ShieldedTwisted PairWiring Interprocessor Communication Bridge ModuleWiringPre-Startup Checklist Connecting toTracer SummitProgrammable Zone Sensor Options Installation programmingDuring Programming Indicates Heat supply air Cool supply air Warmup temperatureKeypad Operation Time Button Temporary Manual OverrideKeypad Lockout Up and Down Button ArrowsFigure I-P-6.Temporary manual override menu screen Temporary Override Run ModeTable I-P-1. Zone sensor BAYSENS019 option menu settings Figure I-P-7.Temporary manual override run mode screenIntelligent Copy Remote Panel Indicator Signals From UCM to ZSMTo use Intelligent Copy Off FlashingFigure I-P-9.BAYSENS019 complete icon display Icon DescriptionsFigure I-P-10.BAYSENS020 complete icon display Programming theTime Clock Option Setting theTimeProgramming To review and change programsUnit Startup Procedures Installation startupPre-Startup Checklist Compressor DamageCompressor Amp Draw Startup LogEvaporator Air Cooled Units Water Cooled UnitsPoints List Gbas Module Points List RTM ModulePoints List Ecem Module Points List -TracerTMLCI-I ModuleRTM Module Board Standard on all Units Unit Control ComponentsTable O-GI-3. RTM setpoint analog inputs Table O-GI-2. RTM sensor resistance vs. temperatureVAV Box Option Ventilation Override Module VOM Option Human Interface Module Standard on all UnitsHeat Module Supply fan on Supply fan VFD on if equipped Purge sequence DGeneric BuildingAutomation System Module Option Table O-GI-7. Gbas input voltage corresponding setpoints Table O-GI-6. Gbas analog input setpointsWaterside Components Figure O-GI-3. Basic water piping, constant water flow UnitAirside Components General Operation information Air-Cooled Condensers Airside Economizer Interface with Comparative EnthalpyProperWaterTreatment Input Devices and System FunctionsSupply Air Temperature Sensor Return AirTemperature SensorSupply Airflow Proving Switches Filter SwitchControl Sequences Operation Operation operationUnoccupied Sequence of Operation Tracer Summit SystemTimed Override Activation ICS Morning WarmupCycling Capacity Morning Warmup MWU Occupied Sequence Mechanical Cooling Supply Air Setpoint Reset VAV Units OnlyWater-Cooled Units Only Electric HeatTable O-SO-1. Compressor Stages CompressorsCompressor Lead/Lag Operation Table O-SO-2. Pressure cutouts Step ControlEvaporator Coil Frost Protection Operation Service Valve OptionTable M-GI-1. SCWG/SIWG/SCRG/SIRG General Maintenance Data Maintenance informationAir Filters Maintenance proceduresMaintenance Procedures Remove all standing water Inspecting and Cleaning the Drain PanInspecting and Cleaning the Fan Fan Drive Supply FanVariable Frequency Drive VFD Table M-MP-1. Baldor Fan Bearing Lubrication Schedule Fan BearingsTable M-MP-2.AO Smith Bearing Lubrication Schedule Table M-MP-3. Compatible Fan Bearing GreaseTable M-MP-4. Fan shaft bearing torques Fan BeltTensionDeflection = belt span/64 Belt Adjusting BeltTensionRefrigerant Evacuation Refrigerant SystemConfined Space Hazards Motor Winding Damage Refrigerant LeakTestingUse of Pressure Regulator Valves Gauges R407cMaintenance Inlet GuideVanes Coil Fin CleaningProper Coil CleaningAgent Coil Freezeup Flow Switch Maintenance Chemical Cleaning of Condenser and Economizer CoilCleaning the Flow Switch Piping ComponentsMonthly Checklist Maintenance Periodic ChecklistsSemi-Annual Maintenance Annual MaintenanceOperating Procedures Check the zone thermostat settingsCommon Unit Problems and Solutions System ChecksDiagnostics Maintenance diagnosticsEmergency Stop Heat Module Auxilliary Temperature Sensor FailEntering Cond WaterTemp Sensor Fail Entering Water Temp Sensor FailLow Air Temp Limit Trip Mode Input FailureLow Pressure Control Open Circuit 1, 2, 3, or MCM Communications FailureCheck Field/unit wiring between RTM and NSB Panel NSB Panel ZoneTemperature Sensor FailureHumidity Sensor Failure Temp. Sensor FailureRTM Zone Sensor Failure RTM Data Storage ErrorProblemThe LCI-I has lost communication withTracer Summit Supply Fan VFD Bypass EnabledSupply Fan Failure LCI-I Module Comm FailureWSM Communications Fail Render all HI keystrokes ineffectiveVOM Communications Failure Water Flow Fail WSM Mixed AirTemp Sensor Fail114 115 Literature Order Number

SCXG-SVX01B-EN specifications

The Trane SCXG-SVX01B-EN is an advanced variable refrigerant flow (VRF) system designed to provide efficient and flexible heating and cooling solutions for commercial and residential applications. This system exemplifies Trane's commitment to innovation, energy efficiency, and ease of installation, making it a standout choice in the industry.

One of the main features of the SCXG-SVX01B-EN is its ability to deliver precise temperature control across multiple zones. The system utilizes a modular design that allows for the connection of multiple indoor units to a single outdoor unit, enabling simultaneous heating and cooling in different areas of a building. This zoned comfort not only enhances occupant satisfaction but also contributes to energy savings by allowing for targeted climate control where it is most needed.

Trane's VRF technology is complemented by its inverter-driven compressors, which adjust their speed according to the demand for heating or cooling. This means that the system operates more efficiently than traditional systems by consuming less energy during partial load conditions. The SCXG-SVX01B-EN also integrates advanced heat recovery capabilities, allowing it to transfer heat from one zone to another, further optimizing energy usage.

The unit's compact design simplifies installation, making it suitable for both retrofit projects and new constructions. The flexible piping layout supports various configurations, allowing easy adaptation to the building's architecture. The model also incorporates intelligent controls, offering a user-friendly interface that enhances operational flexibility and promotes energy management.

In addition to its performance features, the Trane SCXG-SVX01B-EN emphasizes sustainability. It uses advanced refrigerants with low global warming potential (GWP), aligning with environmental regulations and helping to minimize the system's ecological footprint. The durable construction of the system ensures longevity and reliability, reducing maintenance costs and enhancing overall operational efficiency.

Finally, Trane supports its products with comprehensive warranties and a network of service professionals, ensuring that customers have access to expert assistance throughout the life cycle of their system. The SCXG-SVX01B-EN represents a blend of technology, efficiency, and versatility, making it an ideal choice for those seeking an effective heating and cooling solution.