Manuals / Trane / Household Appliance / Heating System

Trane Modu manual Pre-Startup

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 60

Pre-Startup

Installation Requirements

Figure I-PR-32. Remote HI mounting holes and knockout locations.

60	SCXG-SVX01B-EN

Image 60

Trane Modu manual Pre-Startup

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 Pre-Installation Installation Considerations Receiving ChecklistReceiving and Handling 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 ShippingSplit-Apart Unit Assembly IntelliPak Units UCM OnlyRemove panels FML, FMM, and FMR 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 Unit Wiring Diagrams Supply Power WiringControl Power 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 ProcedureElectric Heat Installation Electric Heat Coil Wiring ProcedureTable I-PR-5. Electric Heat Dimensions Metric mm Table I-PR-3. Available Electric Heat kWVariable Frequency Drive Option VFD Airside Economizer Installation Unit InstallationField Wiring Connections Unit HandlingInstalling theTransducer Transducer LocationWiring the Remote Air-cooled Ccrc Table I-PR-6. Control Wire Size and Maxi- mum LengthRemote Mounted Thermostat Option Standard with All Units CV Unit Zone Sensor OptionVAV Unit Zone Sensor Option Remote Zone Sensor OptionsCV and VAV Unit Zone Sensor Options BAYSENS010 DescriptionBAYSENS014 Description BAYSENS013 DescriptionZone Sensor Installation Table I-PR-7. Zone Sensor Maximum Lengths and Wire SizeMounting Location Mounting the SubbaseFigure I-PR-22. Zone sensor mounting hole locations ConstantVolume Zone Sensor BAYSENS019 Description Variable Air Volume Zone Sensor BAYSENS020B DescriptionNight setback sensor, Accessory Model Programmable Night Setback Zone SensorsFigure I-PR-26. BAYSENS019 dimensions Airflows from adjacent zones or other unitsTimeclock Installation Timeclock Installation ChecklistWiring theTimeclock Time Clock OptionInstalling the Remote Human Interface Panel Human Interface HI PanelRemote Human Interface Panel HI Location RecommendationsProcedure Wall Mounting the RHI PanelPre-Startup Wiring the Remote Human Interface Communication Link ShieldedTwisted Pair WiringInterprocessor Communication Bridge Module 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 Temporary Manual Override Time ButtonKeypad Lockout 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 OperationUsing Intelligent Copy Remote Panel Indicator Signals From UCM to ZSMIntelligent Copy Off FlashingIcon Descriptions BAYSENS019 Icon DescriptionsBAYSEN020 Icon Descriptions Figure I-P-10.BAYSENS020 complete icon displaySetting theTime Programming theTime Clock OptionProgramming 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 Sensor Resistance vs. Temperature Occupied/Unoccupied ContactsEmergency Stop Input 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 Analog Inputs Gbas Binary OutputsGbas Binary Input 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 Return Air Temperature Sensor Supply Air Temperature SensorSupply Airflow Proving Switches Filter SwitchSequence Owner Operation Control Sequences OperationUnoccupied Timed Override Activation ICS Occupied Sequence Operation Supply Air Setpoint Reset VAV Units Only Mechanical CoolingWater-Cooled Units Only 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 ProtectionOwner Maintenance Maintenance ProceduresInspecting and Cleaning the Drain Pan Inspecting and Cleaning the FanSupply Fan Fan DriveFollow the procedure below to measure belt tension Adjusting BeltTensionFan Bearings 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 VanesCoil Fin and External Cleaning Inspecting and Cleaning CoilsSteam and Hot Water Coils Refrigerant CoilsMechanical Cleaning of Condenser and Economizer Coils Chemical Cleaning of Condenser and Economizer CoilFlow Switch Maintenance Cleaning the Flow SwitchPiping Components Water ValvesPeriodic Maintenance Checklists Monthly ChecklistSemi-Annual Maintenance Annual MaintenanceCheck the zone thermostat settings Operating ProceduresSystem Checks Inspect ductwork and duct connections for tightnessDiagnostics Heat Module Auxilliary Temperature Sensor Fail Emergency StopEntering Cond Water Temp Sensor Fail Entering Water Temp Sensor FailManual Reset SA Static Press Limit Mode Input FailureLow Air Temp Limit Trip Low Pressure Control Open Circuit 1, 2, 3, orNSB Panel Zone Temperature Sensor Failure Check Field/unit wiring between RTM and NSB PanelHumidity Sensor Failure Temp. Sensor FailureRTM Data Storage Error Its allowable range continuously for 10 secondsRTM Zone Sensor Failure Supply Fan VFD Bypass Enabled Check Check field/unit wiring between RTM and TCI moduleSupply Fan Failure Data used module,packet,byte,bitRender all HI keystrokes ineffective WSM Mixed AirTemp Sensor Fail Water Flow FailIndex BAYSENS019NSB Panel Zone Temperature Sensor Occupied Zone Temperature CoolingOccupied Zone Temperature Heating Sensor FailTracer Communications Failure 117 VOM 118 Water Purge 84Wiring the Remote Air-cooled Ccrc Zone Temperature Control ScrgTheTrane Company