Manuals / Trane / Household Appliance / Heating System

Trane Modu manual Figure I-PR-22. Zone sensor mounting hole locations

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 54

Pre-Startup

Installation Requirements

Figure I-PR-22. Zone sensor mounting hole locations.

Mounting Directly to the Wall

Mounting to Junction Box

Junction

Figure I-PR-23. Typical zone sensor installation.

54	SCXG-SVX01B-EN

Image 54

Trane Modu manual Figure I-PR-22. Zone sensor mounting hole locations

Contents

IntelliPak Models BO and later Design SequenceGeneral Information Special Note on Refrigeration EmissionsPsig = Pounds-per-square-inch, gauge pressure Contents Installation Information GeneralUnit Nameplate Model Number Description Self-Contained Ship-With Accessory Model Number Description After-Shipment Accessory Model Number Receiving and Handling Pre-Installation Installation ConsiderationsReceiving Checklist Shipping PackageInstallation Preparation Service Access Table I-PC-1. SCWG/SIWG/SCRG/SIRG Clearance RequirementsRigging and Unit Handling Figure I-PC-6. Split-apart unit gravity block locationRigging and Handling Unit ShippingRemove panels FML, FMM, and FMR Split-Apart Unit AssemblyIntelliPak Units UCM Only Units withThermostat OnlyFigure I-PC-9 How to assemble the split apart modular unit Pre-Installation Checklist Skid RemovalExternal Unit Isolation Installation Dimensions Weights SCWG/SIWG Unit Metric- mm SCRG/SIRG Unit English inches Installation Weights SCRG/SIRG Unit Metric mmUnit Dimensions English, inches Unit Dimensions Metric mmSCRG/SIRG/SCWG/SIWG Detail Hot Water Coil Dimensions English inches Hot Water Coil Dimensions Metric mmHot Water Coil Steam Coil Dimensions English inches Steam Coil Dimensions Metric mmSteam Coil Electric Heat Coil Waterside Economizer Airside Economizer Dimensions English inches Airside Economizer Dimensions Metric mmDimensions Weights Detail a Detail BVariable Frequency Drive Dimensions English inches Variable Frequency Drive Dimensions Metric mmVariable Frequency Drive Variable Frequency Drive with Bypass Variable Frequency Drive With Bypass Dimensions Metric mm Flexible Horizontal Discharge Plenum Dimensions Metric mm Flexible Horizontal Discharge PlenumTable I-DW-1. Unit Weights, English SCWG/SCRG/SIWG/SIRG Metric SCWG//SIWG/SCRG/SIRGMechanical Duct ConnectionsWater Piping Condenser ConnectionsTable I-MR-1. Water Connection Sizes General Waterside Recommendations Cooling Towers Waterside Piping ArrangementsBrazing Procedures Refrigerant Piping Air-Cooled Units OnlyLeak Test Remote Air-cooled Units Only Control Power Unit Wiring DiagramsSupply Power Wiring ElectricalSelection Procedures Pre-Startup Procedures Pre-StartupSupply Fan Isolators Unit Vibration Isolator Option Figure I-PR-4. Correct plenum insulation placement Waterside Economizer Installation Procedure Figure I-PR-5. Installing the waterside economizerPre-Startup Assembly Hydronic Coil Installation Installation ProcedureTable I-PR-5. Electric Heat Dimensions Metric mm Electric Heat InstallationElectric Heat Coil Wiring Procedure Table I-PR-3. Available Electric Heat kWVariable Frequency Drive Option VFD Field Wiring Connections Airside Economizer InstallationUnit Installation Unit HandlingInstalling theTransducer Transducer LocationWiring the Remote Air-cooled Ccrc Table I-PR-6. Control Wire Size and Maxi- mum LengthRemote Mounted Thermostat Option VAV Unit Zone Sensor Option Standard with All UnitsCV Unit Zone Sensor Option Remote Zone Sensor OptionsBAYSENS014 Description CV and VAV Unit Zone Sensor OptionsBAYSENS010 Description BAYSENS013 DescriptionMounting Location Zone Sensor InstallationTable I-PR-7. Zone Sensor Maximum Lengths and Wire Size Mounting the SubbaseFigure I-PR-22. Zone sensor mounting hole locations Night setback sensor, Accessory Model ConstantVolume Zone Sensor BAYSENS019 DescriptionVariable Air Volume Zone Sensor BAYSENS020B Description Programmable Night Setback Zone SensorsFigure I-PR-26. BAYSENS019 dimensions Airflows from adjacent zones or other unitsWiring theTimeclock Timeclock InstallationTimeclock Installation Checklist Time Clock OptionRemote Human Interface Panel Installing the Remote Human Interface PanelHuman Interface HI Panel HI Location RecommendationsProcedure Wall Mounting the RHI PanelPre-Startup Interprocessor Communication Bridge Module Wiring Wiring the Remote Human InterfaceCommunication Link ShieldedTwisted Pair Wiring Do not run communication link between buildingsConnecting to Tracer Summit Pre-Startup Checklist Programmable Zone Sensor Option Heat supply air Cool supply air Warmup temperature During Programming IndicatesKeypad Operation Keypad Lockout Temporary Manual OverrideTime Button Up and Down Button ArrowsTemporary Override Run Mode Figure I-P-5. Override run mode screenTable I-P-1. Zone Sensor BAYSENS019 Option Menu Settings Option Menu and Keypad OperationIntelligent Copy Using Intelligent CopyRemote Panel Indicator Signals From UCM to ZSM Off FlashingIcon Descriptions BAYSENS019 Icon DescriptionsBAYSEN020 Icon Descriptions Figure I-P-10.BAYSENS020 complete icon displayProgramming Setting theTimeProgramming theTime Clock Option To review and change programsUnit Startup Procedures Adjust setpoints at the HIUnit Startup Startup Log EvaporatorCompressor Amp Draw Water Cooled Units Air Cooled UnitsOwner General Information Points ListGeneral Owner Information Unit Control ComponentsRTM Module Board Standard on all Units Emergency Stop Input Sensor Resistance vs. TemperatureOccupied/Unoccupied Contacts VAV Box OptionHeat Module Ventilation Override Module VOM OptionApplication are switch 1 off, 2 on, and 3 off Purge sequence DSupply fan on Supply fan VFD on if equipped Gbas Binary Input Gbas Analog InputsGbas Binary Outputs If the setpoint range is between 50-90 F IPV = SP 50 0.1 +Table O-GI-6. Gbas Analog Input Setpoints Table O-GI-7. Gbas Input Voltage Corresponding SetpointsWaterside Components Variable Water Flow Unit Airside Components Can be enabled by the operator Airside Economizer OptionAir-Cooled Condensers Airside Economizer Interface with Comparative EnthalpyInput Devices and System Functions Supply Airflow Proving Switches Return Air Temperature SensorSupply Air Temperature Sensor Filter SwitchSequence Owner Operation Control Sequences OperationUnoccupied Timed Override Activation ICS Occupied Sequence Operation Water-Cooled Units Only Supply Air Setpoint Reset VAV Units OnlyMechanical Cooling Electric HeatCompressors Table O-SO-1. Compressor StagesStep Control Table O-SO-2. Pressure CutoutsTable O-SO-3. IntelliPakUnit Cooling Capacity Percent Service Valves Evaporator Coil Frost ProtectionInspecting and Cleaning the Drain Pan Owner MaintenanceMaintenance Procedures Inspecting and Cleaning the FanSupply Fan Fan DriveFan Bearings Follow the procedure below to measure belt tensionAdjusting BeltTension Fan Belt TensionFigure O-M-5. Fan assembly Refrigerant System Nitrogen into the system to raise the pressure to 100 psig EvacuationTo charge the system, complete the following procedure Table O-M-1. Water-Cooled Unit Sxwg Refrigerant ChargeTable O-M-2. Air-Cooled Unit Sxrg Refrigerant Charge 105 Figure O-M-8. Proper adjustment of inlet guide vanes Inlet Guide VanesSteam and Hot Water Coils Coil Fin and External CleaningInspecting and Cleaning Coils Refrigerant CoilsMechanical Cleaning of Condenser and Economizer Coils Chemical Cleaning of Condenser and Economizer CoilPiping Components Flow Switch MaintenanceCleaning the Flow Switch Water ValvesSemi-Annual Maintenance Periodic Maintenance ChecklistsMonthly Checklist Annual MaintenanceSystem Checks Check the zone thermostat settingsOperating Procedures Inspect ductwork and duct connections for tightnessDiagnostics Entering Cond Water Temp Sensor Fail Heat Module Auxilliary Temperature Sensor FailEmergency Stop Entering Water Temp Sensor FailLow Air Temp Limit Trip Manual Reset SA Static Press LimitMode Input Failure Low Pressure Control Open Circuit 1, 2, 3, orHumidity Sensor Failure NSB Panel Zone Temperature Sensor FailureCheck Field/unit wiring between RTM and NSB Panel Temp. Sensor FailureRTM Data Storage Error Its allowable range continuously for 10 secondsRTM Zone Sensor Failure Supply Fan Failure Supply Fan VFD Bypass EnabledCheck Check field/unit wiring between RTM and TCI module Data used module,packet,byte,bitRender all HI keystrokes ineffective WSM Mixed AirTemp Sensor Fail Water Flow FailIndex BAYSENS019Occupied Zone Temperature Heating NSB Panel Zone Temperature SensorOccupied Zone Temperature Cooling Sensor FailTracer Communications Failure 117 VOM 118 Water Purge 84Wiring the Remote Air-cooled Ccrc Zone Temperature Control ScrgTheTrane Company