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Trane Voyager 2 Manual

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    							RT-PRC014H-E4
    21
    Equipment Protection/Operation Timings 
    and Features
    Increased reliability
    Fewer components (moving electromechanical parts); 
    less likelihood of equipment down time or failure. 
    Standard
    Proportional Integral (PI) Control
    Proportional - sets corrective action proportional to 
    deviation from setpoint. Integral -  ne-tunes the rate 
    of corrective action proportional to the error (results in 
    superior temperature control). Standard
    Built In “TEST” Mode
    Aids in quick veri cation of system and control 
    operation; exercises both hardware and software (no 
    special tools required). Standard
    On Board Diagnostics
    Assists with equipment troubleshooting if a problem 
    should occur. Standard
    Low Ambient Start Timer (LAST) Function
    Bypasses low pressure control when a compressor 
    starts, eliminating nuisance compressor lockouts. 
    Standard
    Anti Short Cycle Timer (ASCT) Function
    Provides a three minute minimum “ON” time and a three 
    minute minimum “OFF” time for compressors; enhances 
    compressor reliability by ensuring proper oil return. 
    Standard
    Time Delay Relay (TDR) Function
    Provides an incremental staging delay between 
    compressors; minimizes equipment current inrush and 
    consumption by keeping compressors from starting 
    simultaneously. Standard
    Built In Fan Delay Relay (FDR)
    Provides custom indoor fan timing sequences for the 
    different types of equipment, enhancing ef ciency and 
    reliability. Standard
    Built in Evaporator Defrost Control
    Provides low ambient cooling down to -18°C. Standard
    Intelligent Fallback
    Built-in Default Control provides adaptive operation, 
    which allows the equipment to continue to operate, and 
    provide comfort in the event of certain input failures. 
    Also, allows temporary operation without a thermostat. 
    Standard
    Emergency Stop Terminals on Low Voltage Terminal 
    Board
    Provides a convenient point to disable the equipment 
    completely and immediately. Standard
    Lower Installation Cost
    When using a Trane THS03 or THP03, control voltage 
    wiring may be run up to  ve times further than any 
    electromechanical system with no increase in wire 
    section. Example: Electromechanical System - 22 m using 0.5 mm
    2 wire. Microcontrol System (THS/P 03) 
    110 m 0.5 mm2 wire. Standard
    Alternating Lead/Lag
    During periods of part load operation, each compressor 
    cycles alternately as circuit number one, equalizing 
    compressor wear and run time. Enable by cutting the 
    wire at RTRM junction number J3-8.
    Demand defrost - Heat pump
    Defrost only if needed; not based on time like most other 
    systems. Adapts to changing weather conditions and 
    lowers operating costs. Standard
    Heat pump Soft Start
    Provides a smooth transition into heating after defrost, 
    minimizing noise and compressor stress associated with 
    switch over. Standard
    Heat pump Smart Recovery and Smart Staging
    Inhibits auxiliary heat operation if the space is recovering 
    adequately (0.1°C /min) with the heat pump alone, 
    providing considerable savings in operating costs. 
    Standard
    TD5 service and diagnostic user display
    5 display allows you to view data and make 
    operational changes on Voyager rooftop equipped with 
    Reliatel control v3.4 or above. 
    5 is an 5” (127mm diagonal) high resolution color 
    touch screen display
    5 provides in 26 languages:
      15 different reports (3 custom, 12 standard), 
       12 differents graphs (4 custom, 8 standard)
       View and reset Historic of last 100 detailed 
    alarms.
     Graph data can be exported to an excel  le through 
    USB memory stick.
    Figure 9
    Controls 
    						
    							RT-PRC014H-E4 22
    Economizer Preferred Cooling
    Provides fully integrated operation. Will not turn on 
    a compressor with the economizer, if the space is 
    recovering adequately with the economizer alone 
    (0.1°C./minute). Allows the equipment to be utilized in 
    more varied applications. Standard with economizer
    Features lost when using a conventional thermostat
     When a Conventional Thermostat is applied, 
    equipment operation differs signi cantly. The basic 
    equipment protection features remain intact, and the 
    following features end bene ts are lost :
     Proportional Integral (PI) control is lost, equipment 
    is controlled by a thermostat or generic building 
    automation system device.
     Intelligent Fall Back is lost, if a failure occures in the 
    device controlling the equipment, operation will cease.
     Heat Pump Smart Recovery and Smart Staging is not 
    available. Heat Pump operation becomes more costly 
    unless the generic control applied can accomplish this.
    Field-installed Control Options
    Zone sensors
    Zone sensors are the building occupants’ comfort control 
    devices. They replace the conventional electromechanical 
    thermostats. Zones sensors are to be used with the 
    Voyager™ II units with the Micro control. These sensors 
    are available in the following options:
     THP03: Sensor, programmable setpoint and operation 
    mode according to a schedule
     TZS01: Sensor only, used when connected with CCP2 
    or Tracker™
     TZS02: Sensor and setpoint adjustable thumbwheel
     THS03: Sensor, setpoint and operation mode, unit Led 
    indication (mode and alarms) 
    Figure 10 – From left to right: TZS01, TZS02, THS03 
    THP03
    Room thermostats
    Trane Communication Interface TCI-R
    This microprocessor interface allows the unit to 
    communicate to Trane’s Integrated Comfort™ 
    system (CCP2).
    LonMark
    ® Communication Interface LCI-R
    This microprocessor interface allows the unit to 
    communicate to Trane’s Integrated Comfort™ system 
    (Tracer SC, Tracker™) or other open building automation 
    systems
    Figure 11 – THS03 room thermostat
    Figure 12 – THP03 room thermostat
    Controls 
    						
    							RT-PRC014H-E4
    23
    Table 13 – Characteristics of Programmable and Conventional Thermostats
    Conventional 
    Thermostat THS03 THP03
    Programmable●-●
    Electronic●-●
    Control type design  Electro-mechanical Reliatel
    For cooling-only units (TS*/TK*)●●●
    For heat pump units (WS*/WK*)●●●
    For gas-fi red units (YS*/YK*)●●●
    Number of cooling stages 2 3 3
    Auxiliary heating stages (electric heater, hot water coil) 2 2 / 1 Modulating
    Liquid crystal display●-●
    ● Available
    - Not Available
    Tracker™ multi rooftops centralized 
    control
     Intuitive, menu-driven user interface
     2 wires cable communication with units (LonMark®)
    5-day scheduling and 10 schedules
     Capability of including all equipment and devices in 
    one schedule
     Temporary schedule override
     Easy-to-administer security system with two levels of 
    access
     Automatic daylight savings time changeover
     Error and alarm messaging
     Setpoint viewing and editing
     Trend data collection
    
    
    Features exclusive to the PC software (optional)
    5 - Ethernet connection
     Backup and restore capability
     Standard graphics and HTML graphical interface
     Binary output programming capability
     ned custom alarms capability
    
    Connection to controllers over shared Ethernet/IP 
    connection
     E-mail forwarding of alarms and messages
     Standard timed override (after hours) usage report
     Standard daily, monthly, and yearly energy reports
    Note: The Tracker PC software is not needed to set up and 
    operate a typical building.
    Figure 13 – Tracker interface
    Controls 
    						
    							RT-PRC014H-E4 24
    General 
    Units shall be dedicated down ow or horizontal air ow. 
    Operating range shall be between 50°C and -18°C 
    cooling as standard for all units.  All units shall be 
    factory assembled, internally wired, fully charged with 
    refrigerant, and 100 percent run-tested before leaving 
    the factory. Wiring internal to the unit shall be colored 
    and numbered for simpli ed identi cation. 
    Unit shall be available with a main refrigeration circuit 
    in cooling only and reversible version. Auxiliary heat 
    type shall be selectable: Hot water heat, Gas heater and 
    electrical heater in both refrigeration circuit versions.
    Performance
    The unit shall be certi ed and registered on the Eurovent 
    certi cation under RT program (http://www.eurovent-
    certi cation.com). Unit net EER shall be class B (>2.80) 
    or higher in cooling mode except for reversible unit of 
    79kW and 88kW Eurovent cooling capacity .Reversible 
    Unit net COP shall be class B (>3.20) or higher in 
    Heating mode.
    Casing 
    Unit casing shall be constructed of zinc coated, heavy-
    gauge, galvanized steel. All exterior components shall be 
    mounted in a weather resistant steel cabinet and painted 
    with a polyester white RAL 9002 powder paint. Where 
    top cover seams exist, they shall be double hemmed 
    and gasket sealed to prevent water leakage. Cabinet 
    construction shall allow access for all maintenance on 
    two sides of the unit. Service panels shall have handles 
    and shall be removable while providing a water and 
    air tight seal. The indoor air section shall be completely 
    insulated with  re resistant, permanent, odorless glass 
     ber material, aluminum foil faced. The base of the unit 
    shall have provisions for crane lifting.
    Service Access ¼ locks: Standard
    Electrical Control box access panel Filter access panel 
    and supply fan access panel shall be locked by ¼ turn 
    locks as standard for ease of unit service.
    Filters
    Unit shall be provided on standard with 50 mm, 
    throwaway EU3  lters. 50 mm EU4  lters shall be 
    optional. 
    Compressors 
    All units shall have scroll type compressors. Compressor 
    shall be direct-drive, hermetic with self-lubrication. 
    Motor shall be suction gas-cooled and shall have a 
    voltage utilization range of plus or minus 10 percent 
    of unit nameplate voltage. Internal temperature and 
    current sensitive motor overloads shall be included 
    for maximum protection. Each compressor shall be 
    protected by external discharge temperature thermostat, 
    winding temperature thermostat and reverse rotation/
    phase loss protection. Each compressor shall have 
    crankcase heaters installed, properly sized to minimize 
    the amount of liquid refrigerant present in the oil 
    sump during off cycles. All scroll compressors shall be 
    protected with phase monitoring protection.Refrigerant Circuits 
    The unit shall be operating with R410A HFC-based 
    refrigerant. Each refrigerant circuit shall have 
    independent thermostatic expansion devices, service 
    pressure ports and refrigerant line  lter driers factory-
    installed as standard. An area shall be provided for 
    replacement suction line driers. Refrigeration circuit shall 
    be protected against refrigerant leak by a low pressure 
    switch. Service valves shall be provided as standard and 
    located on low pressure and high pressure side of the 
    refrigeration piping.
    Evaporator and Condenser Coils 
    Condenser coils shall have 3/8” (10 mm) copper tubes 
    mechanically bonded to lanced aluminum plate  ns. 
    Evaporator coils shall be 3/8” (13 mm) internally  nned 
    copper tubes mechanically bonded to high performance 
    aluminum plate  ns. All coils shall be leak tested at the 
    factory to ensure pressure integrity. All coils shall be leak 
    tested to 2.1 MPa and pressure tested to 4.5 MPa. All 
    evaporator coils shall be of intermingled con guration. 
    Sloped condensate drain pans are standard. Indoor coil 
    shall be protected as optional by an ant frost thermostat.
    Outdoor Fans 
    The outdoor fans shall be direct drive, statically and 
    dynamically balanced, draw-through in the vertical 
    discharge position. The fan motors shall be permanently 
    lubricated and shall have built-in thermal overload 
    protection.
    Indoor Fan 
    Units shall have belt driven, forward curved centrifugal 
    fans with variable diameter motor sheaves. All motors 
    shall be protected from overload. 
    Controls 
    Unit shall be completely factory wired with necessary 
    controls and terminal block for power wiring. Units 
    shall provide an external location for mounting fused 
    disconnect device. Unit controller shall be provided 
    for all 24 volt control functions. The resident control 
    algorithms shall make all heating, cooling and/
    or ventilating decisions in response to electronic 
    signals from sensors measuring indoor and outdoor 
    temperature. The control algorithm maintains accurate 
    temperature control, minimizes drift from set point and 
    provides better building comfort. Unit controller shall 
    provide anti-short cycle timing and time delay between 
    compressors to provide a higher level of machine 
    protection. Heat pump unit shall manage defrost cycles 
    based on demand defrost logic.
    Unit shall be powered by 400V/3/50Hz supply (without 
    neutral) on a single point of power connection. 
    Mechanical Specifications 
    						
    							RT-PRC014H-E4
    25
    Operation and diagnostic display
    The unit shall be equipped with a 5’ high resolution color 
    touch screen LCD display. The display allows you to view 
    data and make operational changes on the rooftop.
    Display shall provide in 26 languages:
    5 different reports (3 custom, 12 standard), 
     12 different graphs (4 custom, 8 standard)
     View and reset historic of last 100 detailed alarms.
    Graph data shall be exported to an excel  le through 
    USB memory stick.
    Ventilation Override 
    Shall allow a binary input from the  re/life safety panel 
    to cause the unit to override standard operation and 
    assume one of two factory preset ventilation sequences, 
    exhaust or pressurization. The two sequences shall be 
    selectable based open a binary select input.
    Phase Monitoring Relay: Standard 
    Unit shall detect phase loss, phase reversal from main 
    power supply. In case of fault, the unit shall stop.
    Through-The-Base Electrical Provision: Standard
    An electrical service entrance shall be standard which 
    allows access to route all high and low voltage electrical 
    wiring inside the curb, through the bottom (vertically) 
    and through the side (Horizontally) of the outdoor 
    section of the unit and into the control box area.
    Disconnect Switch: Optional 
    A factory installed disconnect switch with external 
    handle shall be mounted inside the unit control box.
    Options and Accessories
    Manual Fresh Air Damper
    A manually controllable outside air damper shall be 
    adjustable for up to 25 percent outside air. Manual 
    damper is set at desired position at unit start up.
    Motorized Fresh Air damper
    This option shall be factory mounted. Outdoor air rate 
    shall be adjustable from 0 to 50 percent. Once set, 
    outdoor air dampers shall open to set position when 
    indoor fan starts. The damper shall close to the full 
    closed position when indoor fan shuts down. 
    Economizer - Downfl ow
    Economizer shall be factory installed. The assembly 
    includes: fully modulating 0-100 percent motor and 
    dampers, minimum position setting, preset linkage, 
    wiring harness, and differential enthalpy control. It shall 
    be provided with barometric relief damper. Barometric 
    relief damper shall deliver a space pressure equalization 
    and be gravity closing to prohibit entrance of outside air 
    during the equipment “off” cycle.
    Economizer - Horizontal fl ow
    Economizer shall be factory installed. The assembly 
    includes: fully modulating 0-100 percent motor and 
    dampers, minimum position setting, preset linkage, 
    wiring harness, and differential enthalpy control.Power Exhaust Fan 
    Power exhaust shall be optional with the down ow 
    economizer. It shall be available as a factory installed 
    option on all units size. It shall assist the barometric 
    relief damper in maintaining building pressurization.
    Remote Potentiometer
    A remote potentiometer shall be available to remotely 
    adjust the unit fresh air damper minimum position.
    CO
    2 Sensor
    This accessory shall be compatible with motorized Fresh 
    air damper and economizer options. It shall measure CO
    2 
    concentration in order to increase or decrease the fresh 
    air amount in the building.
    Direct driven Variable Frequency fan: Optional
    VFDs shall be factory installed and tested to provide 
    supply fan motor speed modulation. The VFD shall 
    receive speed reference from the unit controller based 
    upon supply zone heating/cooling demand and shall 
    cause the drive to accelerate or decelerate as required to 
    maintain the zone temperature setpoint. The fan coupling 
    shall be direct type with the motor shaft. Units shall 
    have a soft rubber direct coupling between centrifugal 
    fans and motor. Motor, fan and VFD shall be individually 
    replaced in case of maintenance operation. 
    Fan Fail Switch
    This option allows checks for supply fan pressure. The 
    fan failure switch will stop all unit functions and report 
    Service alarm on the zone sensor module or Building 
    management system.
    Clogged Filter Switch
    This option allows for individual dirty  lter indication. 
    The switch will light the Service LED on the zone sensor 
    and will allow continued unit operation.
    Smoke Detector
    This option shall trip off in case of presence of smoke in 
    the supply side of the unit and shall close the return air 
    damper, if any, and stop the unit.
    Phase Monitoring Relay
    The phase monitoring relay shall detect phase loss, 
    phase reversal and phase imbalance from main power 
    supply. In case of fault, the unit must stop.
    Black Epoxy Fin Coating
    An optional coil corrosion resistant coating shall protect 
    indoor and outdoor aluminum  ns.
    Fire thermostats
    Field installed manually resettable high temperature 
    thermostats shall provide input to the unit controls to 
    shut down the system if the temperature sensed at the 
    return is 57°C or at the discharge 115°C.
    Mechanical Specifi cations 
    						
    							RT-PRC014H-E4 26
    Roof Curb - Downfl ow
    The roof curb shall be designed to mate with the 
    down ow unit and provide support and watertight 
    installation when installed properly. 
    The roof curb design shall allow  eld fabricated 
    rectangular supply/return ductwork to be connected 
    directly to the curb. 
    Curb shall be shipped knocked down for  eld assembly. 
    Adjustable Roof Curb
    This factory assembled accessory is adjustable on site 
    and allows correction of the slope of the roof up to 5%.
    Hot Water Coil
    This option shall be factory mounted and placed in 
    the discharge section. It shall be shipped with one 
    3-way valve, 0 to 100% modulating built-in control and 
    freezestat protection. If needed, on reversible unit, hot 
    water coil shall be selected as  rst source of heat before 
    mechanical heating.
    Electric Heaters
    Electric heat shall be available for factory installation 
    within basic unit. Electric heater elements shall be 
    constructed of heavy-duty nickel chromium elements 
    we connected for 380 and 415 volt. Staging shall be 
    achieved through the unit controller. Each heater 
    package shall have automatically reset high limit 
    control operating through heating element contactors. 
    All heaters shall be individually fused from factory, 
    where required.
    Gas Heater
    The heating section shall have a drum and tube heat 
    exchanger(s) design using corrosion resistant steel 
    components. A forced combustion blower shall supply 
    premixed fuel to a single burner ignited by a pilotless 
    hot surface ignition system. In order to provide reliable 
    operation, a negative pressure gas valve shall be used 
    that requires blower operation to initiate gas  ow. On an 
    initial call for heat, the combustion blower shall purge 
    the heat exchanger(s) 45 seconds before ignition. After 
    three unsuccessful ignition attempts, the entire heating 
    system shall be locked out until manually reset at the 
    thermostat. Units shall be suitable for use with natural 
    gas or propane ( eld installed kit). All units shall have 
    two stage heating.
    Burner of 48kW and 70kW shall have a no emissions 
    of CO (< 0.001%) and NOx emission below 30ppm 
    (class 5 according to the requirements of Standard 
    EN483). Burner of 77kW shall have a no emissions of 
    CO (< 0.001%) and NOx emission below 50ppm (class 4 
    according to the requirements of Standard EN483)
    Energy Recovery Module - General
    Heat recovery should include direct driven exhaust fan. 
    Fan speed should be adjusted by a separate frequency 
    drive according to fresh air  ow in order to maintain 
    building pressurization.Fresh air  ow shall be  ltered before entering in the 
    heat exchanger in order to prevent clogging on the fresh 
    air side.
    When free cooling is needed, energy recovery should 
    be by-passed to avoid heat exchange on the fresh  ow 
    entering into the building.
    Energy Recovery Module - Plate heat exchanger version
    Energy recovery module should have a total ef ciency 
    of 51% or higher at -5°C outdoor, 19°C indoor and 
    30% fresh air rate. Module shall be equipped with 
    freeze monitoring pressure switch that initiate defrost 
    cycle when exchanger in clogged by frost in winter 
    application.
    Energy Recovery Module - Heat wheel version
    Energy recovery should have a total ef ciency of 64% 
    or higher at -5°C outdoor, 19°C indoor and 30% fresh 
    air rate. Fresh air and exhaust air  ow shall be  ltered 
    before entering in the heat exchanger in order to prevent 
    exchanger clogging. 
    Thermostats and Zone Sensors
    The thermostats and zone sensors shall be provided to 
    interface with the ReliaTel
    ® unit controls and shall be 
    available in either manual, automatic programmable 
    with night setback, with system malfunction lights or 
    remote sensor options.
    Communication Interface (TCI-R)
    ReliaTel
    ® Trane Communication Interface (TCI) shall be 
    provided to interface with the Trane Integrated Comfort™ 
    System and shall be available as a  eld or factory-
    installed. The TCI-R shall allow control and monitoring of 
    the rooftop unit via a two wires communication link.
    Trane Modbus Communication Interface (PIC)
    Modbus Communication Interface (PIC) shall be provided 
    to interface with the Trane Integrated Comfort™ System 
    and shall be available  eld-installed. The PIC shall allow 
    control and monitoring of the rooftop unit via a two wire 
    communication link and Modbus protocol. 
    LonTalk
    ® Communication Interface (LCI-R)
    The  eld or factory-installed ReliaTel
    ® LonTalk 
    Communication Interface (LCI-R) will be provided to 
    interface with the Trane Integrated Comfort™ System 
    or LonTalk
    ® capable third party building management 
    networks. The LCI-R will allow control and monitoring 
    of the rooftop unit via a two wires communication link.
    Tracker
    ® Multi rooftop centralized management control
    Simple Building Control
    The Tracker building automation system (BAS) is 
    a heating, ventilating, and air conditioning (HVAC) 
    energy management system for small- to medium-size 
    buildings. It provides reliable, centralized control for 
    HVAC equipment, managing it for optimal comfort and 
    ef ciency. 
    Mechanical Specifi cations 
    						
    							RT-PRC014H-E4
    27
    The Tracker BAS includes a controller with a liquid crystal 
    display (LCD) touch screen. The Tracker BAS also includes 
    optional Windows-based software that can be installed 
    on a PC workstation. Connection between Tracker BAS 
    and PC software is possible through modem, direct serial 
    RS232 link or Ethernet IP communication.
    The Tracker BAS is LonMark
    ® compliant. It communicates 
    with supported devices over a Trane Comm5 link. 
    The Trane  Comm5 link is a communication link that 
    implements LonTalk and a LonTalk FTT-10A network. 
    LonTalk is an open, industry-standard protocol.
    The touch screen provide an easy-to-use visual interface. 
    The interfaces enable an operator to set up and change 
    HVAC operating parameters and collect and display 
    building information. 
    The Tracker BAS offer these features:
     Intuitive LCD touch screen user interface
    5-day scheduling and 10 schedules
     Capability of including all equipment and devices in 
    one schedule
     Temporary schedule override
     Easy-to-administer security system with two levels of 
    access
     Automatic daylight savings time changeover
     Error and alarm messaging
     Setpoint viewing and editing
     guration
    When Trane  Comm5 devices are used as a system 
    and power is applied to the controller, the Tracker BAS 
    automatically con gures itself. It is no longer necessary 
    to program the building management system. During 
    auto con guration, the controller: 
     Discovers all devices on the communication link
     Loads all devices into a non-erasable memory 
    database
     Turns to On or Occupied all discovered HVAC 
    equipment except the binary output relays of the Tracer 
    MP503 I/O module, which remain de-energized (Off)
    Reliatel
    ® Unit controller Originated Data
     Unit operating mode
     Unit failure status
       Cooling failure
       Heating failure
       Emergency service stop indication
       Supply fan proving
       Timed override activation
       High temperature thermostat status
    
     Supply air temperature
     Cooling status (all stages)
     Stage activated or not
     Stage locked out by Reliatel
     HPC status for that stage
     Compressor disable inputs
    
     Number of stages activated
     High temperature limit status
    
     Requested minimum position
     Dry bulb/enthalpy input status
     Outside air temperature
     Outside relative humidity
    
       Humidity sensor
       Outdoor Air Temperature sensor
       Supply Air Temperature sensor
       Return Air Temperature sensor
       Zone temperature sensor
       Mode input
       Cooling/heating setpoint from sensors
       Unit mounted potentiometer
     guration data
       Gas or electric heat
       Economizer present
    
     Local mode setting
     lter service indicator
    
    2 setpoint
    
    2 value
    Building Management System communication 
    Originated Data
     Command operating mode
     Host controllable functions:
       Supply fan
       Economizer
       Cooling stages enabled
       Heating stages enabled
       Emergency shutdown
     Minimum damper position
    
    
     Supply air tempering enable/disable
     Slave mode (CV only)
    
     Daytime warm-up enable/disable
     Power exhaust setpoint
    Mechanical Specifi cations 
    						
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    in creating and sustaining safe, comfortable and energy ef cient environments, Trane offers a broad portfolio 
    of advanced controls and HVAC systems, comprehensive building services and parts. For more information visit 
    www.Trane.com
    Trane has a policy of continuous product and product data improvement and reserves the right to change design and speci cations without notice.
    © 2014 Trane All rights reserved
    RT-PRC014H-E4 July 2014
    Supersedes RT-PRC014-E4_0513We are committed to using environmentally
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