Trane RT-SVX10C-EN specifications 380 360 OD Ambient

Page 94

Table 4-6 (Continued)

115 Ton Operating Pressure Curve (All Compressors and Condenser Fans, per ckt; "On")

 

 

 

 

COOLING CYCLE PRESSURE CURVE

 

 

 

 

 

 

 

 

(Based on Indoor Airflow of 400 CFM / Ton)

 

 

 

 

 

 

 

 

FULL LOAD

 

 

 

 

 

 

380

 

 

 

 

 

 

 

 

 

 

 

360

 

 

 

 

 

 

 

 

 

 

 

340

 

 

 

 

 

 

 

105 F OD Ambient

 

PSIG

 

 

 

 

 

 

 

 

 

 

320

 

 

 

 

 

 

 

 

 

 

PRESSURE,

 

 

 

 

 

 

 

95 F OD Ambient

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

300

 

 

 

 

 

 

 

 

 

 

DISCHARGE

280

 

 

 

 

 

 

 

85 F OD Ambient

 

260

 

 

 

 

 

 

 

75 F OD Ambient

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

240

 

 

 

 

 

 

 

 

 

 

 

220

 

 

 

 

 

 

 

65 F OD Ambient

 

 

 

 

 

 

 

 

 

 

 

 

 

200

 

 

 

 

 

 

 

 

 

 

 

180

 

 

 

 

 

 

 

 

 

 

 

50

55

60

65

70

75

80

85

90

95

100

 

 

 

 

 

SUCTION PRESSURE, PSIG

 

 

 

 

To Check Operating Pressures

1.Start the unit and allow the pressures to stabilize.

2.Measure the outdoor air dry bulb temperature (F) entering the condenser coil.

3.Measure the discharge and suction pressure (psig) next to the compressor.

4.Plot the outdoor dry bulb temperature and the operating suction pressure (psig) onto the chart.

5.At the point of intersection, read to the left for the discharge pressure. The measured discharge pressure should be within ± 7 psig of the graph.

130 Ton Operating Pressure Curve (All Compressors and Condenser Fans, per ckt;

 

 

 

 

COOLING CYCLE PRESSURE CURVE

 

 

 

 

 

 

 

 

(Based on Indoor Airflow of 400 CFM / Ton)

 

 

 

 

 

 

 

 

FULL LOAD

 

 

 

 

 

 

380

 

 

 

 

 

 

 

 

 

 

 

360

 

 

 

 

 

 

 

105 F OD Ambient

 

 

 

 

 

 

 

 

 

 

 

 

PSIG

340

 

 

 

 

 

 

 

95 F OD Ambient

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PRESSURE,

320

 

 

 

 

 

 

 

 

 

 

300

 

 

 

 

 

 

 

85 F OD Ambient

 

 

 

 

 

 

 

 

 

 

 

280

 

 

 

 

 

 

 

75 F OD Ambient

 

DISCHARGE

 

 

 

 

 

 

 

 

 

260

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

240

 

 

 

 

 

 

 

65 F OD Ambient

 

 

 

 

 

 

 

 

 

 

 

 

 

220

 

 

 

 

 

 

 

 

 

 

 

200

 

 

 

 

 

 

 

 

 

 

 

180

 

 

 

 

 

 

 

 

 

 

 

50

55

60

65

70

75

80

85

90

95

100

 

 

 

 

 

SUCTION PRESSURE, PSIG

 

 

 

 

To Check Operating Pressures

1.Start the unit and allow the pressures to stabilize.

2.Measure the outdoor air dry bulb temperature (F) entering the condenser coil.

3.Measure the discharge and suction pressure (psig) next to the compressor.

4.Plot the outdoor dry bulb temperature and the operating suction pressure (psig) onto the chart.

5.At the point of intersection, read to the left for the discharge pressure. The measured discharge pressure should be within ± 7 psig of the graph.

92

Image 94
Contents Later Design Sequence ModelsWith 3-DTMScroll Compressors Literature Change History Overview of ManualTable of Contents General Information Model Number DescriptionDigit 3 Unit Airflow General Information Commonly Used Acronyms Fiberglass WoolHazard Identification Unit DescriptionGeneral Information Supply AIRVentilation Control Module VCM Design special option only CFMLead-Lag Constant Volume CV Units Variable Air Volume VAV Units Unit Component Layout and Shipwith LocationsGeneral Information Space Temperature Averaging Control Module Locations for SHF 40, 60, 70 & 75 Ton Units Table of Contents Unit Inspection As soon as the unit arrives at the job site Unit Dimensions & Weight InformationNo Step Surface StoragePage Sahf Cooling-Only Units 20 thru 75 Ton Unit Base Dimensional Data Dimensions InstallationUnit Dimensional Data Dimensions Size Electrical Entrance Data Unit DimensionsSEHF, SFHF, SLHF, SSHF, Sxhf Units 20 thru 75 Ton Electrical Entrance Data Unit Dimensions Size Unit Base Dimensional Data Dimensions SizeUnit Dimensions Size Unit Size Furnace Dimensions Note Size/MBH Length HeightSHG Cooling & Heating Units 90 through 130 Ton Slhf SahfSehf SshfSE,SL Roof Curb and DuctworkSahf Sshf Sfhf Sxhf Sehg Sfhg Sxhg HF/G Heavy Objects Installation Unit Rigging & PlacementIf a Trane Curb Accessory Kit is not used Pitch Pocket LocationTypical Unit Rigging Unit Base & Roof Curb Section General Unit Requirements Main Electrical Power RequirementsInstallation Field Installed Control Wiring Requirements for Electric Heat UnitsInstallation Condensate Drain Connections Page Removing Supply and Exhaust Fan Shipping Channels Motors 5Hp Page Installation Sensor & Tubing Installation Units with StatitracTMHazardous Gases and Flammable Vapors Connecting the Gas Supply Line to the Furnace Gas TrainGas Heat Units SFH 350 MBH 850 MBH 1000 MBH Modulating 500 MBH 1000 MBH Flue Assembly InstallationFlue Assembly Hot Water Heat Units SLHSteam Heat Units SSH SSHG-90Through 130 Ton units Page Live Electrical Components Hazardous VoltageUse Copper Conductors Only Typical Field Power Wiring 20 thru 75 Ton Page Exhaust Fan Motor Supply Fan Motor FLA ea HorsepowerCondenser Fans Total FLA FLABlower Motor Sfhf Only CombustionUnit Tonnage No. of Compressors Tonnage Type Designation = Current of the Largest Motor Compressor or FAN Motor Single Source Power 380V, 415V, 460V,Load Definitions Load On the NextDual Source Power units 200V Power Wire Sizing and Protection Device EquationsDisconnect Switch Sizing DSS MCA = 1.25 x Load MOP = 1.25 x LoadInstallation Controls using DC Analog Input/Outputs Controls using 24 VACConstant Volume System Controls Variable Air Volume System Controls Constant Volume or Variable Air Volume System ControlsPressurize DepressurizePurge FireRefer to Wiring Notes on 16A16B Page 17A 17B VAV Setpoint Input VoltageTable of Contents Cooling Sequence of Operation Sequence of OperationUnit Start-Up Gas Heating Sequence of OperationFenwal Ignition System Propane GasFlame Failure Modulating Gas Sequence of OperationFull and Limited Modulating Gas Furnace Unit Start-Up Wet Heat Sequence of Operation Electric Heat Sequence of OperationFreeze Protection Compressor Damage Unit PowerElectrical Phasing Voltage Supply Voltage Supply and Voltage ImbalanceVoltage Imbalance Service Test Guide for Component Operation IGVSupply FAN Verifying Proper Fan Rotation System Airflow Measurements Constant Volume SystemsRotating Components If all of the fans are rotating backwardsCondenser Fan Location with Human Interface Designator Variable Air Volume Systems Optional with all Units Exhaust Airflow MeasurementTraqTM Sensor Airflow Measurement Optional with all units equipped with an economizer20 & 25 Ton Supply Fan Performance without Inlet Guide Vanes Ton Supply Fan Performance without Inlet Guide VanesWocfm 1200 RPM 40 HP 40% 300 RP Standard Evaporator Coil 20000 30000 40000 50000 60000 Drop 20 & 25 Ton Supply Fan Performance with Inlet Guide Vanes Ton Supply Fan Performance with Inlet Guide Vanes15 HP 900 RPM 80% 10 HP RPM Through 75 Ton Component Static Pressure Drops Inches W.C AIRAIR STDCFM RPM BHP 10,000 HF-C20 000HF-C25 000 HF-C30 000RPM BHP BHP RPM BHP RPM BHP AIR RPM BHPExhaust Air Dampers Economizer Damper AdjustmentTo Adjust the Fresh Air Damper Travel Fresh Air & Return Air Damper OperationConfiguration Damper Travel Adjustment PositionConnecting Rod Crank Arm Hole Ton UnitsAll Systems Fresh Air & Return Air Linkage AdjustmentCompressor Start-Up 70 & 105 TonAt Shutdown Compressor Operational SoundsRefrigerant Charging At Low Ambient Start-UpCompressor Locations Cooling Cycle Pressure Curve 340 320 Full Load 380 360 340 OD Ambient Full Load 380 360 340 OD Ambient 320 240 220 380 360 OD Ambient Charging by Subcooling Thermostatic Expansion ValvesLow Ambient Dampers Electric, Steam and Hot Water Start-Up Gas Furnace Start-UpLow-Fire Adjustment 500 MBH, 850 & 1,000 MBH only High-Fire AdjustmentCombustion Air Adjustment O2 Two Stage Gas FurnaceFiring Manifold MBHCO2 Pressure Heat Exchanger Full Modulating Gas FurnaceUnit control Modulating Gas Regulator Limited Modulating Gas Furnace Unit Start-UpModulating Gas Regulator Legend Unit Start-Up Final Unit Checkout Typical Gas FurnaceService & Maintenance Service & Maintenance Unit Internal Fuse Replacement Data & VFD Factory SettingsWet Heat Coil Fin Data Total Coil Fins Unit Model Box-type Note QtyQty Size of each Model TypeService & Maintenance Fan Belt Adjustment Suction Line Filter/Drier Installation Scroll Compressor ReplacementGripbelts Gripnotch Cross Small P.D Section Range Min Max VFD Programming Parameters Hazardous Voltage! w/CapacitorsSupply and Exhaust Fan VFD Programming Parameters Filters Service & Maintenance Monthly MaintenanceCooling Season Coil Cleaning Heating SeasonContains Refrigerant Coil CleanersSteam or Hot Water Coils Final Process Index See Figure Gate type valve 36-37 See -12 Figure See VOM Contacts -16 Figure Warranty and Liability Clause Equipment Damage From Ultraviolet UV Lights115 116