Manuals / Trane / Household Appliance / Heating System

Trane Modu manual Figure O-M-5. Fan assembly

Models: Modu SCWG 020, SCWG 025, SCWG 030, SCWG 035, SIWG 020, SIWG 025, SIWG 030, SIWG 035, SCRG 020, SCRG 025, SCRG 032, SIRG 020, SIRG 025, SIRG 032 SCWG 020, SCWG 025, SCWG 030, SCWG 035, SWG 020, SWG 025, SWG 030, SWG 035, SCRG 020, SCRG 025, SCRG 032, SRG 020, SCRG 025, SCRG 032

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Page 101

Owner Maintenance

Figure O-M-5. Fan assembly.

Figure O-M-6 . Fan motor adjustment points.

SCXG-SVX01B-EN

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Image 101

Trane Modu manual Figure O-M-5. Fan assembly

Contents

Models BO and later Design Sequence IntelliPakPsig = Pounds-per-square-inch, gauge pressure General InformationSpecial Note on Refrigeration Emissions Contents General Installation InformationUnit Nameplate Model Number Description Self-Contained Ship-With Accessory Model Number Description After-Shipment Accessory Model Number Receiving Checklist Pre-Installation Installation ConsiderationsReceiving and Handling Shipping PackageInstallation Preparation Table I-PC-1. SCWG/SIWG/SCRG/SIRG Clearance Requirements Service AccessFigure I-PC-6. Split-apart unit gravity block location Rigging and Unit HandlingUnit Shipping Rigging and HandlingIntelliPak Units UCM Only Split-Apart Unit AssemblyRemove panels FML, FMM, and FMR Units withThermostat OnlyFigure I-PC-9 How to assemble the split apart modular unit External Unit Isolation Pre-Installation ChecklistSkid Removal Installation Dimensions Weights SCWG/SIWG Unit Metric- mm SCRG/SIRG Unit English inches SCRG/SIRG Unit Metric mm Installation WeightsSCRG/SIRG/SCWG/SIWG Detail Unit Dimensions English, inchesUnit Dimensions Metric mm Hot Water Coil Hot Water Coil Dimensions English inchesHot Water Coil Dimensions Metric mm Steam Coil Steam Coil Dimensions English inchesSteam Coil Dimensions Metric mm Electric Heat Coil Waterside Economizer Airside Economizer Dimensions Metric mm Airside Economizer Dimensions English inchesDetail a Detail B Dimensions WeightsVariable Frequency Drive Variable Frequency Drive Dimensions English inchesVariable Frequency Drive Dimensions Metric mm Variable Frequency Drive with Bypass Variable Frequency Drive With Bypass Dimensions Metric mm Flexible Horizontal Discharge Plenum Flexible Horizontal Discharge Plenum Dimensions Metric mmMetric SCWG//SIWG/SCRG/SIRG Table I-DW-1. Unit Weights, English SCWG/SCRG/SIWG/SIRGDuct Connections MechanicalTable I-MR-1. Water Connection Sizes Water PipingCondenser Connections Waterside Piping Arrangements General Waterside Recommendations Cooling TowersLeak Test Remote Air-cooled Units Only Brazing ProceduresRefrigerant Piping Air-Cooled Units Only Supply Power Wiring Unit Wiring DiagramsControl Power ElectricalSelection Procedures Supply Fan Isolators Pre-Startup ProceduresPre-Startup Unit Vibration Isolator Option Figure I-PR-4. Correct plenum insulation placement Figure I-PR-5. Installing the waterside economizer Waterside Economizer Installation ProcedurePre-Startup Assembly Installation Procedure Hydronic Coil InstallationElectric Heat Coil Wiring Procedure Electric Heat InstallationTable I-PR-5. Electric Heat Dimensions Metric mm Table I-PR-3. Available Electric Heat kWVariable Frequency Drive Option VFD Unit Installation Airside Economizer InstallationField Wiring Connections Unit HandlingTransducer Location Installing theTransducerRemote Mounted Thermostat Option Wiring the Remote Air-cooled CcrcTable I-PR-6. Control Wire Size and Maxi- mum Length CV Unit Zone Sensor Option Standard with All UnitsVAV Unit Zone Sensor Option Remote Zone Sensor OptionsBAYSENS010 Description CV and VAV Unit Zone Sensor OptionsBAYSENS014 Description BAYSENS013 DescriptionTable I-PR-7. Zone Sensor Maximum Lengths and Wire Size Zone Sensor InstallationMounting Location Mounting the SubbaseFigure I-PR-22. Zone sensor mounting hole locations Variable Air Volume Zone Sensor BAYSENS020B Description ConstantVolume Zone Sensor BAYSENS019 DescriptionNight setback sensor, Accessory Model Programmable Night Setback Zone SensorsAirflows from adjacent zones or other units Figure I-PR-26. BAYSENS019 dimensionsTimeclock Installation Checklist Timeclock InstallationWiring theTimeclock Time Clock OptionHuman Interface HI Panel Installing the Remote Human Interface PanelRemote Human Interface Panel HI Location RecommendationsWall Mounting the RHI Panel ProcedurePre-Startup Communication Link ShieldedTwisted Pair Wiring Wiring the Remote Human InterfaceInterprocessor Communication Bridge Module Wiring Do not run communication link between buildingsConnecting to Tracer Summit Pre-Startup Checklist Programmable Zone Sensor Option During Programming Indicates Heat supply air Cool supply air Warmup temperatureKeypad Operation Time Button Temporary Manual OverrideKeypad Lockout Up and Down Button ArrowsFigure I-P-5. Override run mode screen Temporary Override Run ModeOption Menu and Keypad Operation Table I-P-1. Zone Sensor BAYSENS019 Option Menu SettingsRemote Panel Indicator Signals From UCM to ZSM Using Intelligent CopyIntelligent Copy Off FlashingBAYSENS019 Icon Descriptions Icon DescriptionsFigure I-P-10.BAYSENS020 complete icon display BAYSEN020 Icon DescriptionsProgramming theTime Clock Option Setting theTimeProgramming To review and change programsUnit Startup Unit Startup ProceduresAdjust setpoints at the HI Compressor Amp Draw Startup LogEvaporator Air Cooled Units Water Cooled UnitsPoints List Owner General InformationRTM Module Board Standard on all Units General Owner InformationUnit Control Components Occupied/Unoccupied Contacts Sensor Resistance vs. TemperatureEmergency Stop Input VAV Box OptionVentilation Override Module VOM Option Heat ModuleSupply fan on Supply fan VFD on if equipped Application are switch 1 off, 2 on, and 3 offPurge sequence D Gbas Binary Outputs Gbas Analog InputsGbas Binary Input If the setpoint range is between 50-90 F IPV = SP 50 0.1 +Table O-GI-7. Gbas Input Voltage Corresponding Setpoints Table O-GI-6. Gbas Analog Input SetpointsWaterside Components Variable Water Flow Unit Airside Components Airside Economizer Option Can be enabled by the operatorAirside Economizer Interface with Comparative Enthalpy Air-Cooled CondensersInput Devices and System Functions Supply Air Temperature Sensor Return Air Temperature SensorSupply Airflow Proving Switches Filter SwitchUnoccupied Sequence Owner OperationControl Sequences Operation Timed Override Activation ICS Occupied Sequence Operation Mechanical Cooling Supply Air Setpoint Reset VAV Units OnlyWater-Cooled Units Only Electric HeatTable O-SO-1. Compressor Stages CompressorsTable O-SO-3. IntelliPakUnit Cooling Capacity Percent Step ControlTable O-SO-2. Pressure Cutouts Evaporator Coil Frost Protection Service ValvesMaintenance Procedures Owner MaintenanceInspecting and Cleaning the Drain Pan Inspecting and Cleaning the FanFan Drive Supply FanAdjusting BeltTension Follow the procedure below to measure belt tensionFan Bearings Fan Belt TensionFigure O-M-5. Fan assembly Refrigerant System Evacuation Nitrogen into the system to raise the pressure to 100 psigTable O-M-2. Air-Cooled Unit Sxrg Refrigerant Charge To charge the system, complete the following procedureTable O-M-1. Water-Cooled Unit Sxwg Refrigerant Charge 105 Inlet Guide Vanes Figure O-M-8. Proper adjustment of inlet guide vanesInspecting and Cleaning Coils Coil Fin and External CleaningSteam and Hot Water Coils Refrigerant CoilsChemical Cleaning of Condenser and Economizer Coil Mechanical Cleaning of Condenser and Economizer CoilsCleaning the Flow Switch Flow Switch MaintenancePiping Components Water ValvesMonthly Checklist Periodic Maintenance ChecklistsSemi-Annual Maintenance Annual MaintenanceOperating Procedures Check the zone thermostat settingsSystem Checks Inspect ductwork and duct connections for tightnessDiagnostics Emergency Stop Heat Module Auxilliary Temperature Sensor FailEntering Cond Water Temp Sensor Fail Entering Water Temp Sensor FailMode Input Failure Manual Reset SA Static Press LimitLow Air Temp Limit Trip Low Pressure Control Open Circuit 1, 2, 3, orCheck Field/unit wiring between RTM and NSB Panel NSB Panel Zone Temperature Sensor FailureHumidity Sensor Failure Temp. Sensor FailureRTM Zone Sensor Failure RTM Data Storage ErrorIts allowable range continuously for 10 seconds Check Check field/unit wiring between RTM and TCI module Supply Fan VFD Bypass EnabledSupply Fan Failure Data used module,packet,byte,bitRender all HI keystrokes ineffective Water Flow Fail WSM Mixed AirTemp Sensor FailBAYSENS019 IndexOccupied Zone Temperature Cooling NSB Panel Zone Temperature SensorOccupied Zone Temperature Heating Sensor Fail118 Water Purge 84 Tracer Communications Failure 117 VOMZone Temperature Control Scrg Wiring the Remote Air-cooled CcrcTheTrane Company