Trane RT-SVX10C-EN specifications Table of Contents

Page 56

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 56
Contents With 3-DTMScroll Compressors ModelsLater Design Sequence Literature Change History Overview of ManualTable of Contents General Information Model Number DescriptionDigit 3 Unit Airflow Fiberglass Wool Hazard IdentificationGeneral Information Commonly Used Acronyms 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 Dimensions & Weight Information No Step SurfaceUnit Inspection As soon as the unit arrives at the job site StoragePage Sahf Cooling-Only Units 20 thru 75 Ton Installation Unit Dimensional Data Dimensions SizeUnit Base Dimensional Data Dimensions Electrical Entrance Data Unit DimensionsSEHF, SFHF, SLHF, SSHF, Sxhf Units 20 thru 75 Ton Unit Base Dimensional Data Dimensions Size Unit Dimensions SizeElectrical Entrance Data Unit Dimensions Size Unit Size Furnace Dimensions Note Size/MBH Length HeightSHG Cooling & Heating Units 90 through 130 Ton Sahf SehfSlhf SshfSahf Sshf Sfhf Sxhf Sehg Sfhg Sxhg HF/G Roof Curb and DuctworkSE,SL Installation Unit Rigging & Placement If a Trane Curb Accessory Kit is not usedHeavy Objects Pitch Pocket LocationTypical Unit Rigging Unit Base & Roof Curb Section Main Electrical Power Requirements Installation Field Installed Control WiringGeneral Unit Requirements 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 Flue Assembly Installation Flue Assembly1000 MBH Modulating 500 MBH 1000 MBH 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 Supply Fan Motor FLA ea Horsepower Condenser Fans Total FLAExhaust Fan Motor FLAUnit Tonnage No. of Compressors Tonnage Type Designation CombustionBlower Motor Sfhf Only Single Source Power 380V, 415V, 460V, Load Definitions Load= Current of the Largest Motor Compressor or FAN Motor On the NextPower Wire Sizing and Protection Device Equations Disconnect Switch Sizing DSSDual Source Power units 200V 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 OperationGas Heating Sequence of Operation Fenwal Ignition SystemUnit Start-Up 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 System Airflow Measurements Constant Volume Systems Rotating ComponentsVerifying Proper Fan Rotation If all of the fans are rotating backwardsCondenser Fan Location with Human Interface Designator Variable Air Volume Systems Exhaust Airflow Measurement TraqTM Sensor Airflow MeasurementOptional with all Units 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 HF-C20 000 HF-C25 00010,000 HF-C30 000RPM BHP BHP RPM BHP RPM BHP AIR RPM BHPEconomizer Damper Adjustment To Adjust the Fresh Air Damper TravelExhaust Air Dampers Fresh Air & Return Air Damper OperationDamper Travel Adjustment Position Connecting Rod Crank Arm HoleConfiguration Ton UnitsFresh Air & Return Air Linkage Adjustment Compressor Start-UpAll Systems 70 & 105 TonCompressor Operational Sounds Refrigerant ChargingAt Shutdown 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-UpHigh-Fire Adjustment Combustion Air Adjustment O2Low-Fire Adjustment 500 MBH, 850 & 1,000 MBH only 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 SettingsUnit Model Box-type Note Qty Qty Size of eachWet Heat Coil Fin Data Total Coil Fins 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