Manuals / Trane / Household Appliance / Heating System

Trane Modu manual SCRG/SIRG Unit English inches

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 19

Installation	Dimensions
Installation	and Weights

SCRG/SIRG Unit —

English - (inches)

ON PAGE 21

ON PAGE 21

ON PAGE 21

SCXG-SVX01B-EN

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Trane Modu manual SCRG/SIRG Unit English inches

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 Shipping Package Pre-Installation Installation ConsiderationsReceiving Checklist Receiving and HandlingInstallation 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 HandlingUnits withThermostat Only Split-Apart Unit AssemblyIntelliPak Units UCM Only Remove panels FML, FMM, and FMRFigure 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 Electrical Unit Wiring DiagramsSupply Power Wiring Control PowerSelection 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 InstallationTable I-PR-3. Available Electric Heat kW Electric Heat InstallationElectric Heat Coil Wiring Procedure Table I-PR-5. Electric Heat Dimensions Metric mmVariable Frequency Drive Option VFD Unit Handling Airside Economizer InstallationUnit Installation Field Wiring ConnectionsTransducer Location Installing theTransducerTable I-PR-6. Control Wire Size and Maxi- mum Length Wiring the Remote Air-cooled CcrcRemote Mounted Thermostat Option Remote Zone Sensor Options Standard with All UnitsCV Unit Zone Sensor Option VAV Unit Zone Sensor OptionBAYSENS013 Description CV and VAV Unit Zone Sensor OptionsBAYSENS010 Description BAYSENS014 DescriptionMounting the Subbase Zone Sensor InstallationTable I-PR-7. Zone Sensor Maximum Lengths and Wire Size Mounting LocationFigure I-PR-22. Zone sensor mounting hole locations Programmable Night Setback Zone Sensors ConstantVolume Zone Sensor BAYSENS019 DescriptionVariable Air Volume Zone Sensor BAYSENS020B Description Night setback sensor, Accessory ModelAirflows from adjacent zones or other units Figure I-PR-26. BAYSENS019 dimensionsTime Clock Option Timeclock InstallationTimeclock Installation Checklist Wiring theTimeclockHI Location Recommendations Installing the Remote Human Interface PanelHuman Interface HI Panel Remote Human Interface PanelWall Mounting the RHI Panel ProcedurePre-Startup Do not run communication link between buildings Wiring the Remote Human InterfaceCommunication Link ShieldedTwisted Pair Wiring Interprocessor Communication Bridge Module WiringConnecting to Tracer Summit Pre-Startup Checklist Programmable Zone Sensor Option During Programming Indicates Heat supply air Cool supply air Warmup temperatureKeypad Operation Up and Down Button Arrows Temporary Manual OverrideTime Button Keypad LockoutFigure I-P-5. Override run mode screen Temporary Override Run ModeOption Menu and Keypad Operation Table I-P-1. Zone Sensor BAYSENS019 Option Menu SettingsOff Flashing Using Intelligent CopyRemote Panel Indicator Signals From UCM to ZSM Intelligent CopyBAYSENS019 Icon Descriptions Icon DescriptionsFigure I-P-10.BAYSENS020 complete icon display BAYSEN020 Icon DescriptionsTo review and change programs Setting theTimeProgramming theTime Clock Option ProgrammingAdjust 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 VAV Box Option Sensor Resistance vs. TemperatureOccupied/Unoccupied Contacts Emergency Stop InputVentilation 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 If the setpoint range is between 50-90 F IPV = SP 50 0.1 + Gbas Analog InputsGbas Binary Outputs Gbas Binary InputTable 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 Filter Switch Return Air Temperature SensorSupply Air Temperature Sensor Supply Airflow Proving SwitchesControl Sequences Operation Sequence Owner OperationUnoccupied Timed Override Activation ICS Occupied Sequence Operation Electric Heat Supply Air Setpoint Reset VAV Units OnlyMechanical Cooling Water-Cooled Units OnlyTable 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 ValvesInspecting and Cleaning the Fan Owner MaintenanceMaintenance Procedures Inspecting and Cleaning the Drain PanFan Drive Supply FanFan Belt Tension Follow the procedure below to measure belt tensionAdjusting BeltTension Fan BearingsFigure 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 vanesRefrigerant Coils Coil Fin and External CleaningInspecting and Cleaning Coils Steam and Hot Water CoilsChemical Cleaning of Condenser and Economizer Coil Mechanical Cleaning of Condenser and Economizer CoilsWater Valves Flow Switch MaintenanceCleaning the Flow Switch Piping ComponentsAnnual Maintenance Periodic Maintenance ChecklistsMonthly Checklist Semi-Annual MaintenanceInspect ductwork and duct connections for tightness Check the zone thermostat settingsOperating Procedures System ChecksDiagnostics Entering Water Temp Sensor Fail Heat Module Auxilliary Temperature Sensor FailEmergency Stop Entering Cond Water Temp Sensor FailLow Pressure Control Open Circuit 1, 2, 3, or Manual Reset SA Static Press LimitMode Input Failure Low Air Temp Limit TripTemp. Sensor Failure NSB Panel Zone Temperature Sensor FailureCheck Field/unit wiring between RTM and NSB Panel Humidity Sensor FailureIts allowable range continuously for 10 seconds RTM Data Storage ErrorRTM Zone Sensor Failure Data used module,packet,byte,bit Supply Fan VFD Bypass EnabledCheck Check field/unit wiring between RTM and TCI module Supply Fan FailureRender all HI keystrokes ineffective Water Flow Fail WSM Mixed AirTemp Sensor FailBAYSENS019 IndexSensor Fail NSB Panel Zone Temperature SensorOccupied Zone Temperature Cooling Occupied Zone Temperature Heating118 Water Purge 84 Tracer Communications Failure 117 VOMZone Temperature Control Scrg Wiring the Remote Air-cooled CcrcTheTrane Company