Trane HUVC Horizontal Classroom Unit Ventilator Installation Manual

SAFETY WARNINGOnly qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating

General Information10 UV-SVN02C-ENUnit Ventilator ControlsOptionsField-Installed Controls (Option). The unit comes equipped with a fan speed switch,

Diagnostics100 UV-SVN02C-ENTroubleshooting (Tracer ZN520)Red SERVICE LED (Tracer ZN520)During normal operation, the LED is off continuously when power

DiagnosticsUV-SVN02C-EN 101two seconds.The green LED will begin to blink, indicating the controller is in test mode. Troubleshooting (UC400)Table 48

Diagnostics102 UV-SVN02C-EN Unit configurationThe controller must be properly configured based on the actual installed end devices and application. If

DiagnosticsUV-SVN02C-EN 103Troubleshooting (ECM)Notes:• The new Trane BLDC system is a closed loop system that has equipment protections and envelope

Diagnostics104 UV-SVN02C-ENinput 1 on the Tracer ZN controller (polarity sensitivity).• The mini-access lid on the front of the main control panel lid

DiagnosticsUV-SVN02C-EN 1053. VSP Inputs (0–10V inputs) are of the wrong polarity– Verify that variable speed (VSP) inputs are properly wired to 1TB4

106 UV-SVN02C-ENReplacing ECM ComponentsNotes:• Ensure that drip-loops are maintained on wiring on pipe end of unit to avoid wicking of water into th

Replacing ECM ComponentsUV-SVN02C-EN 107Circuit Modules Replacement Notes/Work Instructions1. Circuit modules are equipped with nylon standoffs which

Replacing ECM Components108 UV-SVN02C-ENNotice one ECM type is configured at address 99, but no ECM is found at that address. Also, notice that anothe

UV-SVN02C-EN 109 AccessoriesWallboxesThe following instructions are general recommendations for installing wall intake boxes. Consult the architectura

General InformationUV-SVN02C-EN 11Programming: Tracer UC400 Programmable Controller), or the most recent version.When Trane controls are ordered for

Accessories110 UV-SVN02C-ENFigure 71. Vertical louver wallbox (V1, V3, V2, and V6) dimensions UV-SVN02_-EN.book Page 110 Thursday, January 24, 2013

AccessoriesUV-SVN02C-EN 111Installation in Masonry WallsA typical method of installing the wallbox in a masonry wall opening is illustrated in Figure

Trane optimizes the performance of homes and buildings around the world. A business of Ingersoll Rand, the leader in creating and sustaining safe, com

12 UV-SVN02C-ENECM Application NotesThe new Trane BLDC system has some notable differences to traditional designs.RPM ModeThe motors are programmed f

UV-SVN02C-EN 13 Dimensions and WeightsUnit Location and ClearancesLocate the unit in an indoor area. The ambient temperature surrounding the unit must

Dimensions and Weights14 UV-SVN02C-ENFigure 4. Horizontal unit ventilator with ducted front discharge dimensional data; sizes 075–150 (dimensions in i

Dimensions and WeightsUV-SVN02C-EN 15Figure 5. Horizontal unit ventilator with ducted front discharge dimensional data; size 200 (dimensions in inche

Dimensions and Weights16 UV-SVN02C-ENFigure 6. Horizontal unit ventilator with double deflection discharge dimensional data; sizes 075–150 (dimensions

Dimensions and WeightsUV-SVN02C-EN 17Figure 7. Horizontal unit ventilator with double deflection discharge dimensional data; size 200 (dimensions in

Dimensions and Weights18 UV-SVN02C-ENFigure 8. Supply/return air arrangements for the horizontal unit ventilatorDIGIT 20 = A FA DUCT TOPw/RA DUCT LOW

UV-SVN02C-EN 19 Receiving and HandlingThe unit ventilator is packaged in clear stretch wrap and protective cardboard.Note: Before unwrapping, make a v

© 2013 Trane All rights reserved UV-SVN02C-ENWarnings, Cautions, and NoticesWarnings, Cautions, and Notices. Note that warnings, cautions, and not

20 UV-SVN02C-ENPre-InstallationJobsite InspectionAlways perform the following checks before accepting a unit:1. Verify that the nameplate data matche

UV-SVN02C-EN 21 Installation—MechanicalLocation ConsiderationsSelecting the appropriate location for installing a unit is very important. The followin

Installation—Mechanical22 UV-SVN02C-EN1. Measure and cut the pressure sensitive gaskets to the correct lengths and attach to the flanges.2. Starting a

UV-SVN02C-EN 23 Installation—PipingNote: Before installation of piping package, the shipping bracket holding the piping in place, must be removed.Prop

Installation—Piping24 UV-SVN02C-ENInstall the refrigerant suction and liquid lines as described in the condensing unit installation instructions. The

Installation—PipingUV-SVN02C-EN 25Use the following steps to complete cartridge assembly removal:1. Remove valve actuator.2. Remove the cartridge ass

Installation—Piping26 UV-SVN02C-ENManual OpenerThe manual opener can be manipulated only when in the up position. The A port can be manually opened by

Installation—PipingUV-SVN02C-EN 272. Install body valve into pipe.3. Wiring connections may be made either before or after actuator installed on body

28 UV-SVN02C-ENInstallation—SensorsControl OptionsFigure 24. Wireless temp sensor with display (SP, OALH, COMM) Digit 19 = 3Figure 25. Wireless tem

Installation—SensorsUV-SVN02C-EN 29Installing Wall-Mounted Wired SensorsReference the wall-mounted zone sensor dimensions in Figure 32, p. 29. Positi

Warnings, Cautions, and NoticesUV-SVN02C-EN 3TrademarksComfortLink, Rover, Tracer, Tracer Summit, Trane, and the Trane logo are trademarks or registe

Installation—Sensors30 UV-SVN02C-EN• Metal barriers between the receiver and the sensor (for example, plastered walls with metal lathe or metal roof d

Installation—SensorsUV-SVN02C-EN 31a. Hook the cover over the top of the back plate. Apply light pressure to the bottom of the cover until it snaps i

Installation—Sensors32 UV-SVN02C-ENNote: Do not use 000 as an address. An address of 000 returns the receiver outputs to their factory defaults (zone

Installation—SensorsUV-SVN02C-EN 333. Power the sensor by removing the insulation strip from between the two batteries.Association is automatically i

Installation—Sensors34 UV-SVN02C-ENConfiguring the Wireless Display Sensor (Model WDS only)Note: Sensors shipped with the fan-coil are pre-configured

Installation—SensorsUV-SVN02C-EN 35 4. Review the display to ensure that you have selected the correct configuration.5. To return the display to oper

Installation—Sensors36 UV-SVN02C-ENOptional FeaturesDisplaying Setpoint or Temperature. You can configure the sensor to display either the temperatur

Installation—SensorsUV-SVN02C-EN 37Values—Failure and Default Modes of Operation (Wireless Controls),” p. 99).• The receiver conducts an energy scan

Installation—Sensors38 UV-SVN02C-ENChanging Heating and Cooling Room Temperature Settings (applies to some systems)Changing the Fan SettingRequesting

Installation—SensorsUV-SVN02C-EN 39Wireless Sensor SpecificationsThe following table presents specifications for all models of the wireless sensor se

4 UV-SVN02C-ENTable of ContentsModel Number Descriptions . . . . . . . . . . . . . . 6General Information . . . . . . . . . . . . . . . . . . . .

Installation—Sensors40 UV-SVN02C-ENThe following table presents agency compliance information for wireless sensor set models as shown. United States c

UV-SVN02C-EN 41 Installation—ElectricalWiringAll classroom unit ventilators have 115 V motor power. Motor data can be found in Ta b l e 11 and Tab l

Installation—Electrical42 UV-SVN02C-EN• 480V, 3-phase, 4-wire system: L1, L2, L3, and N (neutral)Note: The supply neutral wire must be connected to th

UV-SVN02C-EN 43 ECM Overview and SetupOverviewThis section addresses changes to unit ventilators, integrating new Trane Brushless DC motors and contro

ECM Overview and Setup44 UV-SVN02C-EN• The engine integrates a versatile configurable auxiliary temperature sensor.• The engine incorporates various s

ECM Overview and SetupUV-SVN02C-EN 45Installation and Initial SetupInstallation and Initial SetupNote: Normally, the Trane BLDC motors are configured

ECM Overview and Setup46 UV-SVN02C-EN• Wall-mounted low-voltage fan speed switch inputs to the adapter boards’ terminal strips and 24 Vac tap to field

ECM Overview and SetupUV-SVN02C-EN 47CSTI Adapter Board Field ConnectionsThe CSTI adapter board provides all the hookups of the standard adapter boar

ECM Overview and Setup48 UV-SVN02C-ENThe ECM engine board features a nested menu integrated user interface (UI) that supports:1. Status display for in

ECM Overview and SetupUV-SVN02C-EN 49RPM Mode RUNNING/ FAN STATUS CONTINUOUS LOOPDisplayed when:1) No error codes are present2) Motor has completed r

UV-SVN02C-EN 5General Instructions . . . . . . . . . . . . . . . . . 66BACnet MS/TP Link . . . . . . . . . . . . . . . . . 66Power Supply . . .

ECM Overview and Setup50 UV-SVN02C-ENConfiguration parameter and value display and modification changesThe ECM engine board’s on-board user interface

ECM Overview and SetupUV-SVN02C-EN 51Configuration Use ExamplesExample 1. To view the value of parameters without saving. In this case we wish to ve

ECM Overview and Setup52 UV-SVN02C-ENError CodesDisplayed during abnormal operation.Indicates a locked rotor condition of Motor 1. The motor will

ECM Overview and SetupUV-SVN02C-EN 53Initial Setup and ConfigurationAfter connections of power and hookup of customer installed controls/fan speed sw

ECM Overview and Setup54 UV-SVN02C-ENthermostatic inputs (with adjustable speed), so the use of the 0–10V inputs is optional.• All inputs are independ

ECM Overview and SetupUV-SVN02C-EN 55Use of Potentiometer/Rheostat For VSPA courtesy 10-Vdc supply is provided that can support a 10-mA draw. The use

ECM Overview and Setup56 UV-SVN02C-ENThe ECM engine board provides additional temperature controlled logic to help coordinate certain electric-heat an

ECM Overview and SetupUV-SVN02C-EN 57work correctly unless the ECM engine board is configured to perform these functions.• Customers are advised to l

ECM Overview and Setup58 UV-SVN02C-ENc. The temperature sensed is higher than the  parameter.d. The  parameter is higher than the  paramet

ECM Overview and SetupUV-SVN02C-EN 59Configuration Settings of the ECM Engine BoardNote: The engine board functions and unit specific settings are su

6 UV-SVN02C-ENModel Number DescriptionsDigit 1, 2, 3 — Unit ConfigurationHUV = Horizontal Unit VentilatorDigit 4 — Development SequenceC = Third Gene

ECM Overview and Setup60 UV-SVN02C-ENTable 17. Configuration settings of the ECM engine board Description on Unit LabelUser Interface NameTypical User

ECM Overview and SetupUV-SVN02C-EN 61Mt2 Ovspd RPM Selects the rpm above which the Motor 2 will be assumed to be in an overspeed condition a

ECM Overview and Setup62 UV-SVN02C-ENFan Speed Response Verification1. After performing controller specific commissioning, observe the display on the

UV-SVN02C-EN 63 Time ClockSetting the Time ClockThe Time Clock must be programmed for the unit to operate. If not programmed, the unit may not run in

Time Clock64 UV-SVN02C-EN2. The hour display begins to blink—use the + and/or - buttons to select the desired setting and then press OK.3. The minute

UV-SVN02C-EN 65 Wired Controllers—Communication WiringWiring Installation (Tracer ZN520)Tracer ZN520 controllers are LonTalk® devices that interface w

Wired Controllers—Communication Wiring66 UV-SVN02C-ENWiring Overview OutlineGeneral InstructionsConformance to Regulatory StandardsAll wiring must com

Wired Controllers—Communication WiringUV-SVN02C-EN 67Note: The BACnet Device ID is displayed as the Software Device ID on the Tracer TU Controller Se

Wired Controllers—Communication Wiring68 UV-SVN02C-ENTransformer RecommendationsA 24Vac power supply must be used for proper operation of the binary i

UV-SVN02C-EN 69 Pre-StartPre-Start-up ChecklistBefore energizing the unit, the following system devices must be checked:Is the high voltage power sup

Model Number DescriptionsUV-SVN02C-EN 7Digit 19 — Zone Sensor/Fan Speed Switch0 = No Sensor - Unit Mounted Fan Speed Switch J = Wall Mt Zone Sensor

70 UV-SVN02C-ENStartupTracer ZN520 Unit StartupRefer to the most recent version of Trane publication CNT-SVX04A-EN (Tracer ZN520 Unit Controller: Ins

StartupUV-SVN02C-EN 71speed (motor/energy/acoustics ) and valve position (pump energy, chilled water reset ). As the capacity requirement increases a

Startup72 UV-SVN02C-ENcommunicated occupancy request is occupied, the controller uses the local occupancy binary input to switch between the occupied

StartupUV-SVN02C-EN 73The controller only cycles the fan off with heating and cooling capacity in the unoccupied mode. The economizer is used for coo

Startup74 UV-SVN02C-ENTab l e 19, Table 20, and Table 21.Continuous Fan Operation (Tracer ZN520)During occupied and occupied standby modes, the fan n

StartupUV-SVN02C-EN 75(either hard-wired or communicated) to determine whether the entering water can be used for the desired heating or cooling. If

Startup76 UV-SVN02C-ENunits) and building automation system applications. For this application you will need to use the Rover service tool. For more i

StartupUV-SVN02C-EN 77Zone Sensor (Tracer ZN520)The Tracer ZN520 controller accepts the following zone sensor module inputs:• Space temperature measu

Startup78 UV-SVN02C-ENtool. If the zone sensor switch is disabled, the controller resorts to its stored configuration default fan speeds for heating a

StartupUV-SVN02C-EN 79Occupied Mode (UC400)In Occupied Mode, the UC400 controller maintains the space temperature based on the occupied space tempera

8 UV-SVN02C-ENGeneral InformationUnit DescriptionConfiguration. This classroom unit ventilator is configured in a horizontal (ceiling mount) configu

Startup80 UV-SVN02C-EN(configurable using the Tracer TU service tool), and the cooling capacity is at a minimum, the available heating capacity is use

StartupUV-SVN02C-EN 81adequate torque to start the fan motor from the OFF position.Note: In occupied mode, the UC400 controller requires continuous f

Startup82 UV-SVN02C-ENstroke time for each valve is configurable using the Tracer TU service tool. The controller supports the following: •Heating•Coo

StartupUV-SVN02C-EN 83position and 100 percent) to control the amount of outdoor air cooling capacity. When the outdoor air temperature rises 5°F (2

Startup84 UV-SVN02C-EN• If the fan is not operating when the controller has the fan controlled to ON, the controller generates a Low Airflow-Supply Fa

UV-SVN02C-EN 85 MaintenanceService AccessTo access the unit for water balancing, motor access or other start-up and maintenance functions, use one of

Maintenance86 UV-SVN02C-ENNote: The drain pan is installed at an angle to allow drainage. For each end of the drain pan, remember the position (top or

MaintenanceUV-SVN02C-EN 87reservoir to the bearing surface without the use of grooves or holes in the inner bearing surface. Do not alter the inner b

88 UV-SVN02C-ENDiagnosticsTroubleshooting ChecklistIf operating difficulties are encountered, refer to the following table for probable causes and co

DiagnosticsUV-SVN02C-EN 89Output Testing and Diagnostics (Tracer ZN520)Room too cool X Room sensor is not properly set. Reset room sensor temperature

General InformationUV-SVN02C-EN 9Face and Bypass (Option). The face and bypass option consist of an actuator, damper blade and 2-position water valv

Diagnostics90 UV-SVN02C-ENTranslating Multiple Diagnostics (Tracer ZN520)The controller senses and records each diagnostic independently of other diag

DiagnosticsUV-SVN02C-EN 91Using Trane’s Service Tool, Rover (Tracer ZN520)Rover, Trane’s service tool, can reset diagnostics present in the controlle

Diagnostics92 UV-SVN02C-ENTable 34. Electric heat not operating (Tracer ZN520)Probable Cause ExplanationNormal operationThe controller cycles electric

DiagnosticsUV-SVN02C-EN 93Output Testing and Diagnostics (UC400)This section provides information about the following:• Output testing• DiagnosticsNo

Diagnostics94 UV-SVN02C-ENTroubleshooting (Wireless Controls)Locations of LEDs, Test button, Test Symbols, and Error CodesThe receiver for all models

DiagnosticsUV-SVN02C-EN 95Diagnostics (Wireless Controls)LED1, LED2, and LED3, located on the sensor of model WZS respond to diagnostics by exhibitin

Diagnostics96 UV-SVN02C-ENTesting Battery Status (Wireless Controls)Initiate a battery status test as follows:• On model WZS, push the Test button on

DiagnosticsUV-SVN02C-EN 97For more information on interpreting the LEDs and the display symbols that indicate signal strength, see “Testing Signal St

Diagnostics98 UV-SVN02C-EN• The receiver receives a disassociation notification from its associated sensor• The receiver does not receive a communicat

DiagnosticsUV-SVN02C-EN 99but the receiver determines the ultimate output power level of the sensor.Output Values—Failure and Default Modes of Operat