Trane RT-SVX10C-EN specifications Table of Contents

Page 14

Section One

 

About The Manual

2

Literature Change History

2

Overview of Manual

2

Section Two

 

General Information

4

Model Number Description

4

Hazard Identification

6

Commonly Used Acronyms

6

Unit Description

6

Input Devices & System Functions

8

Constant Volume & Variable Air Volume Units

8

Constant Volume (CV) Units

10

Variable Air Volume (VAV) Units

11

Space Temperature Averaging

12

Unit Control Modules (UCM)

12

Section Three

 

Installation

14

Unit Inspection

14

Storage

14

Unit Clearances

14

Unit Dimensions & Weight Information

14

Roof Curb and Ductwork

22

Pitch Pocket Location

23

Unit Rigging & Placement

23

General Unit Requirements

25

Main Electrical Power Requirements

25

Field Installed Control Wiring

25

Requirements for Electric Heat Units

25

Requirements for Gas Heat

25

Requirements for Hot Water Heat (SLH_)

25

Requirements for Steam Heat (SSH_)

26

O/A Pressure Sensor and Tubing Installation

26

Condensate Drain Connection

27

Shipping Fasteners

27

O/A Sensor & Tubing Installation

31

Units with Statitrac™;

31

Gas Heat Units (SFH_)

32

Connecting the Gas Supply Line to the Furnace

 

Gas Train

32

Flue Assembly Installation

34

Hot Water Heat Units (SLH_)

34

Steam Heat Units (SSH_)

35

Disconnect Switch External Handle

38

Electric Heat Units (SEH_)

38

Main Unit Power Wiring

38

Disconnect Switch Sizing (DSS)

44

Field Installed Control Wiring

45

Controls using 24 VAC

45

Controls using DC Analog Input/Outputs

45

Constant Volume System Controls

45

Variable Air Volume System Controls

46

Constant Volume or Variable Air Volume System

 

Controls

46

Table of Contents

 

Section Four

 

Unit Start-Up

55

Cooling Sequence of Operation

55

Gas Heating Sequence of Operation

56

Fenwal Ignition System

56

Honeywell Ignition System

56

Modulating Gas Sequence of Operation

57

Flame Failure

57

Electric Heat Sequence of Operation

58

Wet Heat Sequence of Operation

58

Electrical Phasing

59

Voltage Supply and Voltage Imbalance

60

Service Test Guide for Component Operation

61

Verifying Proper Fan Rotation

63

If all of the fans are rotating backwards;

63

System Airflow Measurements

63

Constant Volume Systems

63

Variable Air Volume Systems

65

Exhaust Airflow Measurement

66

TraqTM Sensor Airflow Measurement

66

Economizer Damper Adjustment

80

Compressor Start-Up

82

Compressor Operational Sounds

83

Thermostatic Expansion Valves

93

Charging by Subcooling

93

Low Ambient Dampers

93

Electric, Steam and Hot Water Start-Up

94

Gas Furnace Start-Up

94

Two Stage Gas Furnace

95

Full Modulating Gas Furnace

97

Limited Modulating Gas Furnace

98

Final Unit Checkout

99

Section Five

 

Service & Maintenance

100

Fan Belt Adjustment

104

Scroll Compressor Replacement

105

VFD Programming Parameters

106

Monthly Maintenance

107

Filters

107

Cooling Season

107

Heating Season

108

Coil Cleaning

108

Final Process

109

Index

111

UV

114

Warranty

114

Image 14
Contents With 3-DTMScroll Compressors ModelsLater Design Sequence 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 SshfSahf Sshf Sfhf Sxhf Sehg Sfhg Sxhg HF/G Roof Curb and DuctworkSE,SL 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 StatitracTMGas Heat Units SFH Connecting the Gas Supply Line to the Furnace Gas TrainHazardous Gases and Flammable Vapors 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 Use Copper Conductors Only Hazardous VoltageLive Electrical Components Typical Field Power Wiring 20 thru 75 Ton Page Exhaust Fan Motor Supply Fan Motor FLA ea HorsepowerCondenser Fans Total FLA FLAUnit Tonnage No. of Compressors Tonnage Type Designation CombustionBlower Motor Sfhf Only = 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 LoadConstant Volume System Controls Controls using 24 VACInstallation Controls using DC Analog Input/Outputs 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 GasFull and Limited Modulating Gas Furnace Modulating Gas Sequence of OperationFlame Failure Freeze Protection Electric Heat Sequence of OperationUnit Start-Up Wet Heat Sequence of Operation Electrical Phasing Unit PowerCompressor Damage Voltage Imbalance Voltage Supply and Voltage ImbalanceVoltage Supply 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 AIRCFM RPM BHP STDAIR 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 Low Ambient Dampers Thermostatic Expansion ValvesCharging by Subcooling 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 FurnaceCO2 Pressure MBHFiring Manifold Unit control Full Modulating Gas FurnaceHeat Exchanger Modulating Gas Regulator Legend Limited Modulating Gas Furnace Unit Start-UpModulating Gas Regulator 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 Gripbelts Gripnotch Cross Small P.D Section Range Min Max Scroll Compressor ReplacementSuction Line Filter/Drier Installation Supply and Exhaust Fan VFD Programming Parameters Hazardous Voltage! w/CapacitorsVFD Programming Parameters Cooling Season Service & Maintenance Monthly MaintenanceFilters Coil Cleaning Heating SeasonSteam or Hot Water Coils Coil CleanersContains Refrigerant 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