Trane Official RAUC Manual – Comprehensive Guide for RAUC Models

Page 110

Index

Symbols

“EVP” Chiller Units 29

”No Controls” Units 29

Numerics

115 Volt Control Wiring (All

Units) 29

Discharge Air Sensor 56, 57,

65, 67, 74, 80

Discharge Duct Sensor 75,

81

Discharge Duct Sensor 6RT2

&6RT3 “Temperature vs Resistance” Curve 75

Sight Glass 32

Liquid Line Solenoid

Valves 32

Low Ambient Damper

Adjustment 87

Low Ambient Dampers 86

Low Ambient

A

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

 

 

Economizer Actuator

53

AC Conductors

51

 

 

 

 

Economizer Actuator Circuit

Access Valves (Ports) 32

Legend

53

 

 

 

 

 

Air Handling Equipment

106

 

 

 

 

 

Economizer Cycle

83

 

Air Vents

42

 

 

 

 

 

 

 

 

 

Electrical Service Sizing

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

Data 48

 

 

 

 

 

 

balancing cock

42

 

 

Electronic Zone

 

 

 

 

 

Thermostat

 

63, 64

 

Balancing Valves 42

 

 

 

 

Evaporator Barrel

 

 

 

Ball Shutoff Valves

32

 

 

 

 

 

Nameplate

 

6

 

 

 

C

 

 

 

 

 

 

Evaporator water inlet and

Chilled Water Controller

59

outlet types

 

40

 

 

 

EVP Chiller Applications

68,

Chilled Water Temperature

88

 

 

 

 

 

 

Controller (6U11)

84

 

EVP Chiller Considerations 7

Chiller Drain

42

 

 

 

 

 

 

EVP Chiller Control

58

 

Chiller Flow Switch

42

 

 

 

EVP Circulating Pump

 

Compressor Circuit Breaker

 

Interlock

50

 

 

 

 

Data

105

 

 

 

 

EVP Interlocks

50

 

 

 

Compressor Crankcase

 

 

 

 

 

Excessive flux

38

 

 

 

Heaters

86, 93

 

 

 

 

 

 

 

Expansion Valve

32, 84

Compressor Locations

95

F

 

 

 

 

 

 

Compressor Nameplate

5

 

 

 

 

 

 

Compressor Oil

93

 

 

Field Connection Diagram for

Compressor Operational

RAUC- C20 through 60

Sounds at Low Ambient

“Constant volume”

 

Start-Up

104

 

 

 

Applications

66

 

 

Compressor Operational

Filter/Filter Drier

 

 

 

Sounds at Shutdown

104

Recommendations

32

Compressor Sequence

94

Freezestat

43

 

 

 

 

Compressor Shipping

 

Freezestat Bulb-well, Temper-

Hardware

26

 

 

 

ature Sensor & Well

44

concealed damage

7

 

Freezestat Setting

88

 

concrete pad

24

 

 

Frostat™ Coil Frost

 

 

Condenser Fan Locations 86

Protection

32

 

 

 

Condenser Fans

85

 

 

Fuse Replacement Data

106

Condensing Unit

107

31

H

 

 

 

 

 

 

Constant Volume Units

Hot Gas Bypass 50

 

 

Copper oxide

38

 

 

 

 

 

 

Hot Gas Bypass

 

 

 

Customer Connection Wire

 

 

 

Operation

87

 

 

 

Range

47

 

 

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Liquid Line Interconnecting

DC Conductors

52

 

 

 

 

Tubing

35

 

 

 

 

 

Discharge

75

 

 

 

 

 

 

 

 

 

 

 

Liquid Line Moisture Indicator

 

 

 

 

 

 

 

Thermostats 87

M

Measuring Subcooling 92 Measuring Superheat 92

Minimum starting Ambient Temperature 93

Model Number Description 5

N

Neoprene Isolators 24 Night Setback 57 Nitrogen holding charge 6

O

Optional Flow Switch

Illustration 44

Outside Air Thermostat

5S57 50

P

Pipe Unions 42

Pressure Control Switch

Settings 93

Pump Down 86

Q

Q667 Switching Subbase 64,

65

R

Recommended Operating

Setpoints 102

Recommended Refrigerant

Capacities 93

S

Sample Maintenance

Log 103

Solenoid Valve & Sight Glass

w/Moisture Indicator 33

Spring Isolators 25

Standing Vacuum Test 70

Strainer 42

Subcooling 92

Suction And Liquid Line Filter/

Filter Drier (Field

110

SS-SVX09A-EN

Image 110
Contents Remote Split System Units JuneResponsible Refrigerant Practices Grounding RequiredEnvironmental Concerns Overview of ManualTable of Contents SS-SVX09A-EN Compressor Nameplate Model Number DescriptionUnit Nameplate Unit Description Unit Clearances Unit InspectionNo Step Surface EVP Chiller ConsiderationsFoundation Unit Dimensions & Weight InformationInstallation Installation RAUC-C20 Unit Dimensional Data & Recommended Clearances RAUC-C25 Unit Dimensional Data & Recommended Clearances RAUC-C30 Unit Dimensional Data & Recommended Clearances RAUC-C40 Unit Dimensional Data & Recommended Clearances RAUC-C50 Unit Dimensional Data & Recommended Clearances RAUC-C60 Unit Dimensional Data & Recommended Clearances Bphe 20 Evaporator Chiller Dimensions Bphe 25 Evaporator Chiller Dimensions Bphe 30 Evaporator Chiller Dimensions Bphe 40 Evaporator Chiller Dimensions Bphe 50 Evaporator Chiller Dimensions Bphe 60 Evaporator Chiller Dimensions Typical Unit Weights & Point Loading Data Typical EVP Chiller Weights & General DataRigging Heavy Objects Rigging and Center-of-Gravity DataTypical Neoprene Isolator Selection & Location Unit IsolationNeoprene Isolators Installation Spring Isolators Leveling the UnitTwo Manifolded Compressors Shipping FastenersCompressor Shipping Hardware Typical Spring Isolator Selection & LocationGeneral Unit Requirements Refrigerant Piping RequirementsEVP Chilled Water Piping Requirements Main Electrical Power Requirements Hazardous VoltageHazard of Explosion Volt Control Wiring All Units Ground WireField Installed Control Wiring Requirements No Controls UnitsEVP Chiller Piping Constant Volume Units Low Voltage Wiring AC & DC Hazardous VoltageVariable Air Volume VAV Units Refrigerant Line ComponentsLiquid Line Solenoid Valves Liquid Line Moisture Indicator Sight GlassAccess Valves Ports Thermostatic Expansion Valve TEVSolenoid Valve & Sight Glass w/Moisture Indicator Typical Placement of Split System piping ComponentsSuction Line Piping Suction Line Interconnecting TubingRefrigerant Piping Use Type L refrigerant grade copper tubing onlyLiquid Line Interconnecting Tubing Liquid Line PipingEvaporator Piping Typical Coil Piping For Dual Circuit UnitsFinal Refrigerant Pipe Connections Hot Gas Bypass for Commercial Comfort-Cooling ApplicationsOptional Pressure Gauges Brazing Procedures Hazard of Explosion and Deadly Gases Leak Testing Procedure Hazard of Explosion Chilled Water Piping Evaporator Water-Pressure Drop Water Temperature Sensor Installation Air VentsChiller Flow Switch Water Pressure GaugesFreezestat Typical Piping RecommendationsOptional Flow Switch Illustration Final Water Piping ConnectionsField Installed Power Wiring Disconnect Switch External Handle Factory Mounted OptionMain Unit Power Wiring Hazardous Voltage Equations Power Wire Sizing and Protection DeviceCustomer Connection Wire Range Calculation #1 MCA, MOP, and RDEInstallation Calculation #2 Disconnect Switch Sizing DSS Electrical Service Sizing DataField Installed Control Wiring Hazardous Voltage Controls Using 115 VAC Hazardous VoltageOutside Air Thermostat 5S57 EVP Interlocks EVP Flow control 6S58EVP Circulating Pump Interlock Hot Gas Bypass All control optionsAC Conductors Controls using 24 VAC Hazardous VoltageControls using DC Analog Input/Outputs Hazardous Voltage Economizer Actuator Circuit DC ConductorsEconomizer Actuator Circuit Legend Temperature Control ParametersNo System Control Refer to Wiring Notes on p Installation Variable Air Volume Control Honeywell W7100A Discharge Air Sensor Honeywell 6RT3Suction Line Thermostat Night Setback Hazardous VoltageEVP Chiller Control W7100G Discharge Chilled Water Controller Chilled Water Temperature Sensor Honeywell 6RT2 EVP Chiller Remote PanelOutside Air Thermostat 5S57 Field Provided Refer to Wiring Notes on Page p Electronic Zone Thermostat Honeywell T7067 Constant Volume Control HoneywellThermostat Wiring Thermostat CheckoutT7067 Electronic Zone Thermostat & Q667 Switching Subbase Q667 Switching Subbase Discharge Air Sensor Honeywell 6RT1Refer to Wiring Notes on Page p RT1 Discharge Air Sensor Assembly Compressor Damage EVP Chiller ApplicationsSystem Evacuation Procedures System Pre-Start ProceduresSystem Pre-Start Procedures Standing Vacuum Test Typical Vacuum Pump HookupEvacuation Time vs. Pressure Rise System Pre-Start Procedures W7100A Discharge Air Controller Economizer Actuator Checkout Zone or Discharge Air Temp ControllerOhms 4200 4000 3800 System Pre-Start Procedures W7100G Chilled Water Controller Master Energy Control Checkout Hazardous Voltage Zone Thermostat Checkout Honeywell T7067 Zone Thermostat 6U37 Voltage Output ramps TerminalsOhms Voltage Imbalance Electrical PhasingEconomizer Cycle Sequence of OperationVAV W7100A Discharge Air Controller 7U11 Thermostatic Expansion Valve Chilled Water Temperature Controller 6U11System Start-Up Condenser Fans W7100G Staging SequencePump Down Low Ambient DampersCompressor Crankcase Heaters System Start-Up Low Ambient Thermostats Low Ambient Damper Adjustment Factory or Field InstalledLive Electrical Components Hot Gas Bypass Operation200 300 Freezestat SettingEVP Chiller Applications System Airflow Measurement Air Over Evaporator ApplicationRotating Components Verifying Proper Supply Fan RotationCompressor Start-Up All Systems Compressor Damage Live Electrical Components Measuring Superheat SubcoolingMeasuring Subcooling Compressor Oil Pressure Control Switch SettingsMinimum starting Ambient Temperature Recommended Refrigerant CapacitiesCompressor Sequence Typical Compressor Locations Ton Pressure Curve System Start-Up System Start-Up Ton Pressure Curve per Circuit 100 101 Final System Setup Recommended Operating SetpointsSample Maintenance Log At Shutdown Scroll Compressor ReplacementCompressor Operational Sounds At Low Ambient Start-UpService & Maintenance Compressor Circuit Breaker DataFuse Replacement Data Fuse Replacement DataMonthly Maintenance Air Handling EquipmentCoil Cleaning Condensing UnitHazardous Pressures System operationWarranty and Liability Clause Symbols NumericsIndex 111SS-SVX09A-EN

RAUC-C20, RAUC-C40, RAUC-C25, RAUC-C30, RAUC-C60 specifications

Trane, a leader in HVAC solutions, offers innovative air conditioning units designed for superior performance and energy efficiency. Among their advanced products are the Trane RAUC-C30, RAUC-C20, RAUC-C40, RAUC-C60, and RAUC-C50, which cater to various cooling and heating needs in residential and commercial applications.

The RAUC-C series showcases cutting-edge technology, ensuring effective climate control while minimizing energy consumption. These units are equipped with variable-speed compressors, allowing for precise cooling capacities and reduced noise levels during operation. This feature ensures that users can enjoy optimal comfort without the disruptive noise often associated with traditional HVAC systems.

One of the standout technologies used in the RAUC-C series is Trane’s advanced inverter technology. This system intelligently adjusts the compressor speed based on real-time cooling demands, enhancing efficiency and prolonging the unit's lifespan. Additionally, the units come with high SEER (Seasonal Energy Efficiency Ratio) ratings, making them an excellent choice for those looking to lower their energy bills while maintaining a comfortable indoor environment.

The RAUC-C series units are designed with durability in mind. Constructed with robust materials, these air conditioning systems are built to withstand varying weather conditions. Their compact and lightweight design makes installation straightforward, and they can fit seamlessly into a variety of spaces, from residential homes to commercial buildings.

Another key characteristic of the RAUC-C series is their eco-friendly refrigerant, which meets strict environmental regulations. This not only supports sustainability efforts but also ensures efficient cooling performance. Furthermore, their smart technology capabilities enable integration with modern smart home systems, allowing users to manage their cooling settings remotely for added convenience.

Trane's focus on user-friendly interfaces makes these units easy to operate. The intuitive control systems allow users to customize their cooling preferences easily, providing flexibility to adapt to individual comfort needs.

Overall, the Trane RAUC-C30, RAUC-C20, RAUC-C40, RAUC-C60, and RAUC-C50 stand out for their energy efficiency, advanced technology, durability, and user-focused design. These features make them reliable choices for anyone seeking efficient and effective heating and cooling solutions.