Manuals / Trane / Household Appliance / Heating System

Trane Modu manual Waterside Economizer

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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	Dimensions
Installation	and Weights

Waterside Economizer

SCXG-SVX01B-EN

25

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Trane Modu manual Waterside Economizer

Contents

Models BO and later Design Sequence IntelliPakSpecial Note on Refrigeration Emissions General InformationPsig = Pounds-per-square-inch, gauge pressure 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 Skid Removal Pre-Installation ChecklistExternal Unit Isolation Installation Dimensions Weights SCWG/SIWG Unit Metric- mm SCRG/SIRG Unit English inches SCRG/SIRG Unit Metric mm Installation WeightsUnit Dimensions Metric mm Unit Dimensions English, inchesSCRG/SIRG/SCWG/SIWG Detail Hot Water Coil Dimensions Metric mm Hot Water Coil Dimensions English inchesHot Water Coil Steam Coil Dimensions Metric mm Steam Coil Dimensions English inchesSteam Coil Electric Heat Coil Waterside Economizer Airside Economizer Dimensions Metric mm Airside Economizer Dimensions English inchesDetail a Detail B Dimensions WeightsVariable Frequency Drive Dimensions Metric mm Variable Frequency Drive Dimensions English inchesVariable Frequency Drive 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 MechanicalCondenser Connections Water PipingTable I-MR-1. Water Connection Sizes Waterside Piping Arrangements General Waterside Recommendations Cooling TowersRefrigerant Piping Air-Cooled Units Only Brazing ProceduresLeak Test Remote Air-cooled Units Only Supply Power Wiring Unit Wiring DiagramsControl Power ElectricalSelection Procedures Pre-Startup Pre-Startup ProceduresSupply Fan Isolators 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 theTransducerTable I-PR-6. Control Wire Size and Maxi- mum Length Wiring the Remote Air-cooled CcrcRemote Mounted Thermostat Option 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 programsAdjust setpoints at the HI Unit Startup ProceduresUnit Startup Evaporator Startup LogCompressor Amp Draw Air Cooled Units Water Cooled UnitsPoints List Owner General InformationUnit Control Components General Owner InformationRTM Module Board Standard on all Units Occupied/Unoccupied Contacts Sensor Resistance vs. TemperatureEmergency Stop Input VAV Box OptionVentilation Override Module VOM Option Heat ModulePurge sequence D Application are switch 1 off, 2 on, and 3 offSupply fan on Supply fan VFD on if equipped 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 SwitchControl Sequences Operation Sequence Owner OperationUnoccupied 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-2. Pressure Cutouts Step ControlTable O-SO-3. IntelliPakUnit Cooling Capacity Percent 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-1. Water-Cooled Unit Sxwg Refrigerant Charge To charge the system, complete the following procedureTable O-M-2. Air-Cooled Unit Sxrg 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 FailureIts allowable range continuously for 10 seconds RTM Data Storage ErrorRTM Zone Sensor Failure 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