MNL-V1RVx MNL-V2RVx - Schneider Electric Buildings iPortal
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1. Green power and data transmission LED Figure 13 Location of MNL V1RVx and MNL V2RVx LEDs 2010 Schneider Electric All rights reserved 17 Table 3 LED Indication Indicator Data Reception LED amber Context Anytime Status Blinks when the controller receives data from the LONWoRKS network Corrective Action None required On indicates a possible network connection problem or a large amount of network traffic is present Off indicates that data reception is not taking place Data Transmission LED Green Anytime Blinks when the controller transmits data to the LONWOoRKS network On indicates that the controller is not transmitting data On also indicates that power is being applied to the controller Remove the LONWoRKS network connections from the controller and determine if the LED goes off If the LED does not go off replace the controller If the LED does go off check the network topology connections to each node rout ers terminators etc and the amount of traffic on the network None Required Off indicates no power to the controller Check power Service LED Red 18 Power up The LED blinks once to indicate successful power up Wink mode Blinks 3 seconds on 1 second off three times to indicate physical location of the controller If a sensor MN Sx is connected its red occupancy LED will flash 1 sec during the wink period N2. version number Printed in U S A 02 10 2010 Schneider Electric All rights reserved F 26282 6 Applicable Documentation F Number Description TAC I A Series MicroNet MN Sx Series Sensors General Instructions Audience Application Engineers Installers Service Personnel Start up Technicians Purpose Provides step by step installation and checkout procedures for TAC I A Series MicroNet MN Sx Series Sensors Also contains instructions for sensor operation TAC I A Series MicroNet System Overview Application engineers Installers Start up technicians Service personnel Provides an overview of the TAC I A Series MicroNet System It includes brief descriptions of the hardware and software components and how they may be combined to create MicroNet networks and stand alone systems Work Place Tech Tool 4 0 Engineering Guide Application Engineers Installers Service Personnel Start up Technicians Provides engineering and technical information for applying and using all aspects of Work Place Tech Tool TAC I A Series MicroNet Systems Engineering Guide Work Place Tech Tool 4 0 User s Guide Application Engineers Installers Service Personnel Start up Technicians Application Engineers Installers Service Personnel Start up Technicians Provides engineering and technical information to assist in designing a complete MicroNet controller system using different architectures comp
3. 9 Service Components within I A Series MicroNet VAV controllers cannot be field repaired If there is a problem with a controller follow the steps below before contacting your local Schneider Electric Office 1 Make sure controllers are connected and communicating to desired devices 2 Check all sensors and controlled devices are properly connected and responding correctly 3 If controller is operating make sure the correct profile and application is loaded by checking the LONMARK Program ID and the nvoDeviceinfo using Work Place Tech Tool or third party network management tool For more information See Work Place Tech Tool 4 0 Engineering Guide F 27254 4 Record precise hardware setup indicating the following e Version numbers of applications software e Controller firmware version number e Information regarding the Work Place Tech Tool e A complete description of difficulties encountered Distributed manufactured and sold by Schneider Electric I A SERIES trademarks are owned by Invensys Systems Inc and are used on this product under master license from Invensys Invensys does not manufacture this product or provide any product warranty or support For service support and warranty information contact Schneider Electric at 1 888 444 1311 On October 1st 2009 TAC became the Buildings Business of its parent company Schneider Electric This document reflects the visual identity of Schneider Electric however there remai
4. MNL V1RVx Schneider MNL V2RVx f Electric TAC I A Series MicroNet Variable Air Volume Controllers Installation Instructions Application TAC I A Series MicroNet MNL V1RVx and MNL V2RVx VAV Controllers are interoperable variable air volume controllers designed in accordance with LONMarK guidelines These controllers provide pressure independent control for cooling and reheat applications They feature a built in actuator with over the shaft damper mounting an integral velocity pressure transducer LED indication support for an MN Sx digital sensor push button manual override mechanical position indication and an easy to set mechanical travel limit They function in standalone mode or as part of a MicroNet LonWorks network using the integral FT 31 50 Free Topology communications transceiver A direct connection to a WPA LON Work Place Communication adapter and a PC with Work Place Tech Tool software is necessary to download and modify applications MNL V2RVx Model Chart Model MNL V1RVx MNL V2RVx Control Strategies Digital Inputs 1 Digital Outputs 0 Universal Inputs Analog Outputs Box Configuration Cooling Cooling Series Fan Induction Parallel Fan None Reheat Type Staged Electric Time Proportioned Floating Proportional Hydronic Reheat None Occupancy Satellite aVx denotes LONMARK VAV Variable Air Volume profile and profile
5. age 0 51mm twisted pair voice grade telephone wire The capacitance between conductors cannot be more than 32 pF per foot 0 3m If shielded cable is used the capacitance between any one conductor and the others connected to the shield cannot be more than 60 pF per foot 0 3m Maximum wire length is 200 ft 61m Note e Controller supports one TAC I A Series MicroNet Sensor MN Sx e Link wiring is polarity insensitive e If conduit is used between an TAC I A Series Sensor and a controller the MicroNet LONWORKS network and S Link wiring can be in the same conduit however they must be separate cables S Link wiring can be in the same conduit with UI AO and DI Wiring MicroNet LonWorks Network LON Wiring An approved Category 4 or 5 twisted pair cable may be used for both S Link and optional LONWORKS network connections between the controller and MN Sx sensor LONWORKS network wiring is polarity insensitive Caution Do not mix with UI AO DO DI or power types of wiring If conduit is used between an TAC I A Series Sensor and a controller LONWORKS network wiring and S Link wiring can be in the same conduit however they must be separate cables F 26282 6 2010 Schneider Electric All rights reserved 11 TAC I A Series MicroNet VAV controllers use a LONWoRKS Free Topology Transceiver FT 3150 and support polarity insensitive bus daisy chain and free all combinations of star tee and loop wiring topologi
6. ard Federal Communications Commission FCC This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in residential installations This equipment generates uses and can radiate radio frequency energy and may cause harmful interference if not installed and used in accordance with the instructions Even when instructions are followed there is no guarantee that interference will not occur in a particular installation If this equipment causes harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment to an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio television technician for help Canadian Department of Communications DOC This class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations European Community Directives This equipment meets all requirements of European Community Directives for Low Voltage 72 23 EEC General Safety 92 59 EEC and Electromagnetic Com
7. be sealed 8 Using controller mounting foot as a template mark and drill a pilot hole in VAV terminal 9 Make certain the mounting hole position does not affect performance of terminal box If 10 11 12 13 14 damper movement is affected install mounting foot in side location Secure controller mounting foot using a 10 sheet metal screw Press and hold manual override button and rotate damper to full open position by turning damper shaft Release manual override button If necessary rotate actuator collar slightly to return button to fully extended position Loosen and slide CW travel adjustment screw to travel indicator pin and tighten screw to 28 to 32 in Ib 0 32 to 0 37 Kg meter Figure 5 Verify damper moves freely between full open and full closed positions There must be no binding between the actuator and damper or obstructions hindering damper operation 2010 Schneider Electric All rights reserved F 26282 6 Differential Velocity Pressure Sensor Connections Differential Velocity Pressure Gauge F 26282 6 Use either 0 170 in 17 100 I D FRPE polyethylene tubing or 0 125 in 1 8 I D or 0 25 in 1 4 O D tygon tubing for piping connections Maximum length of tubing is five feet 1 52 m 1 Remove yellow plastic fitting caps from barbed fittings 2 Connect tubing to barbed fittings on VAV Controller See Figure 7 Barbed Fittings S aN Velocity Pressure S
8. ensor Connections Figure 7 Differential Velocity Pressure Connections 3 Connect tube from P1 fitting on controller to low pressure tap on VAV terminal See Figure 8 4 Connect tube from P2 fitting on controller to high pressure tap on VAV terminal See Figure 8 Use a differential velocity pressure gauge to calibrate and verify central system is delivering accurate pressure Figure 8 shows connections for attaching gauge When gauge is removed restrictors must be plugged or removed from tubing Terminal Flow VAV Air Terminal Measuring Pickup Inlet a IO 3 eee Air P177 P2 Flow LO HI e AT 532 222 1 1 0075 190 5 um ZA HI LO Restrictors are only required when X Differential velocity pressure differential velocity pressure gauge for Calibration Magnehelic gauge is present Figure 8 Typical VAV Terminal Piping Connections 2010 Schneider Electric All rights reserved 9 Wiring LonWorks Analog Output 0 to 20mA into an 80 to 5509 load Universal Input 0 to 5 Vde 0 to 20 mA 10K Thermistor 5 1K Balco ee Y 1K Platinum Digital Outputs S es 24 VA per output Q Digital AN A at 24 Vac Class 2 QI Digital A A A Pilot Duty ee 2 SW24H3 pi S 15 a Dry Contact Form A SW24H2 S LK COM S Link Single Pole Single Throw D SW24H1 lt Supports one Norma
9. es A maximum of 62 nodes can be connected per segment See TAC I A Series MicroNet System Engineering Guide F 26507 to design a MicroNet LONWORKS TP FT 10 network including recommended topologies and approved cable types 60 pF per foot 0 3m Maximum wire length is 200 ft 61m Note e Use of the LON terminals to connect to the MN Sx sensor permits the use of the sensor s built in LON jack e To preserve the integrity of the network the LON wiring connecting an TAC I A Series MicroNet controller to an MN Sx sensor must be run to the sensor and back in daisy chain fashion A wire spur must not be used to connect the sensor to the controller e While the MN Sx sensor is not counted as a node in the LONWORKS network LON all LON wiring to the sensor must be counted when determining the length of the FTT wiring segment VO Wiring I O connections include universal input digital input analog output and digital relay outputs See Figure 9 for wire terminal information Caution f shielded cable is used connect only one end of the shield to earth ground at controller Universal Input Ul Digital Input DI and Analog Output AO Caution Input and output devices cannot share common wiring Each connected device requires a separate signal and return conductor e Power wiring cannot share conduit with UI AO S Link LON or DI wiring Note e If maximum closed switch voltage is no
10. eserved F 26282 6 Damper Shaft Requirements Controllers are ready to mount on 1 2 in 12 8 mm diameter damper shafts that extend at least 2 in 61mm from the side of the terminal box To mount controller on 3 8 in 9 5mm diameter damper shafts use AM 135 shaft adapter To mount controller on shorter damper shafts between 3 4 in 19 1mm and 2 in 51mm do the following 1 Remove set screws from actuator collar Figure 2 Manual Override Damper Shaft Button VAV Controller Actuator Mounting Set Srews N SS Bracket NS f Actuator 4 YE ie Collar Oo Sheet Metal Screw MNL V2R Figure 2 TAC I A Series MicroNet VAV Controller Mounting 2 Press manual override button and turn actuator collar to full counterclockwise position until short shaft set screw holes are accessible Figure 3 Short shaft set screw locations Figure 3 Short Shaft Set Screw Location 3 Install set screws in short shaft set screw holes F 26282 6 2010 Schneider Electric All rights reserved Mounting Controller with Damper Closed in Clockwise CW Position 1 Turn damper shaft to full closed CW position 2 Press and hold manual override button and turn actuator collar to full CW position 3 Release manual override button If necessary rotate actuator collar slightly to return button to fully extended position Loosen output shaft set screws and slide controller over damper shaft until mounti
11. f usually indicates a normal state In this state the controller operates normally and you can download and or run HVAC applications 2010 Schneider Electric All rights reserved If the controller is able to accept and or run a downloaded HVAC application no action is required F 26282 6 Controller Selection F 26282 6 Identical pairs of factory barcode labels are attached to each controller The labels can be used to select controllers for application downloading purposes Each pair of labels contains a unique Neuron ID One of the labels remains on the controller permanently the other label can be placed on a job site node list plan The Neuron ID can then be entered into a job network profile through the Work Place Tech Tool must be version 4 0 or greater The Work Place Tech Tool or third party network management tool can then download an application to the selected controller See Work Place Tech Tool 4 0 Users Guide F 27255 for additional information The service pin button is also used to select controllers When this button is pressed the controller sends a broadcast message containing its Neuron ID to the online or connected Work Place Tech Tool or third party network management tool After the message is received the controller can be selected for application downloading See Work Place Tech Tool Engineering 4 0 Guide F 27254 for additional information 2010 Schneider Electric All rights reserved 1
12. full closed positions Verify wiring between the TAC I A Series MicroNet Sensor and controller is installed according to job wiring diagram and national and local electrical codes If controller is part of a MicroNet LONWoRKS network verify the TP FT 10 LONWORKS network wiring between the controller and other devices is installed according to job wiring diagram and national and local electrical codes Note Wiring of the S Link and MicroNet LONWoRKS network between the sensor and the controller is not polarity sensitive 5 Verify 24 Vac power is provided from a Class 2 EN 60742 power transformer and wiring is installed according to job wiring diagrams and with national and local electrical codes If multiple devices are powered from the same transformer verify wiring polarity has been maintained between all connected devices 24H connected to 24H and 24G connected to 24G If multiple devices are powered from a common transformer verify all issues associated with powering multiple devices from a common transformer have been addressed Note For more information refer to EN 206 Guidelines for Powering Multiple Full Wave and Half Wave Rectifier Devices from a Common Transformer F 26363 8 10 For MNL V2RVx models verify digital outputs are wired according to job wiring diagram and with national and local electrical codes Make certain the current requirements of the controlled device do not exceed rating
13. g of 12 VA at 50 60 Hz plus digital output loads 84 VA 12 VA plus DO loads at 24 VA each The supply to the transformer must be provided with a breaker or disconnect e The Class 2 EN 60742 power transformer may be used to power multiple Class 2 powered devices provided that the transformer is properly sized to power all equipment simultaneously and all devices contain the same type of rectifier power supplies or internal isolation The transformer frame must be grounded e When powering multiple Class 2 devices from the same Class 2 EN 60742 power transformer polarity must be observed 24H connected to 24H and 24G connected to 24G 2010 Schneider Electric All rights reserved 13 14 Note e Power wiring terminals accept one 16 gage 1 29mm or two 18 gage 1 02mm wires e Power wiring can be intermixed with DO wiring e Twisted or untwisted cable can be used for power wiring Figure 11 and Figure 12 are acceptable wiring configurations To MNL MI and rest of LonWorks Network nN i 24 Vac Primary Secondary O I Class 2 O EN 60742 A ls z S LK TAC gt 3 V A Series i MN Sx a LON A Sensor Ground Frame MNL V1RVx of Transformer to Known Ground MNL V2RVx A Polarity must be maintained 24H connected to 24H and 24G connected to 24G A Class 2 Wiring A Optional connection provides local access to the LonWorks network F
14. igure 11 Single Controller Powered from a Separate Class 2 EN 60742 Power Source 2010 Schneider Electric All rights reserved F 26282 6 F 26282 6 24VAC to other MNL V1RVX or MNL V2RVx Controllers N To MNL MI and rest of MNL V1RVx LonWorks Network aN S Link LON A i S Link A MNL V2RVx 24 Vac Primary Secondary Class 2 O EN 60742 3 f IR i i Ground Frame of Transformer to Known Ground WAT A O MNL V1RVx MNL V2RVx a O LON A i S Link essooo erreen LON AY TAC I A Series MN Sx Sensor TAC I A Series MN Sx Sensor TAC I A Series MN Sx Sensor A Polarity must be maintained 24H connected to 24H and 24G connected to 24G A Class 2 Wiring A Optional connection provides ocal access to the LonWorks network Figure 12 Multiple Controllers Powered from a Single Class 2 EN 60742 Power Source and Sharing Communications in a Free Topology Segment 2010 Schneider Electric All rights reserved 15 Checkout Mechanical Hardware Checkout 16 Verify both set screws are tightened to damper shaft Press and hold manual override button and rotate damper by turning damper shaft Verify damper moves freely between full open and
15. lly Open Relay g S LK TAC I A Series switched 24H outputs O 24H LONI S MN SX Sensor e LONI S L onWonis Maoni ommunications AC Power nog FT 3150 Transceiver 10 24 Vac 50 60 Hz Class 2 EN 60742 12 VA per controller ie Controller LEDs I Service Pin Button plus DO load A To detect a closed switch maximum A In applications requiring universal inputs with ranges of 0 to 20 mA resistance must be less than 300 ohms a 250 ohms shunt resistor kit AD 8969 202 is needed A To detect an open switch minimum A An 11K ohms shunt resistor kit AD 8969 206 is required for a 10K ohms Thermistor resistance must be greater than 1 5K ohms i A Sensor non 850 series universal inputs nput signals of 1 to 11 Vdc must be converted to 0 45 to 5 Vdc ini To detect an open switch minimum resistance must be greater than 100K ohms with a voltage divider AD 8961 220 A 3 g The asterisk indicates that the termination appears only on the MNL V2RVx Controller All other terminations appear on both the MNL V1RVx Controller and the MNL V2RVx Controller Figure 9 MNL V1RVx and MNL V2RVx Series Terminal Connections 2010 Schneider Electric All rights reserved F 26282 6 The following electrical connections can be made to TAC I A Series MicroNet VAV controllers e Sensor Link S Link connection to an TAC I A Series MicroNet Sensor MN SX e MicroNet LONWoRKS network LON c
16. ng foot contacts mounting area on VAV terminal Note Mounting foot can be moved from the factory shipped location to the side location 5 Rotate controller CCW about three degrees off centerline of VAV terminal and tighten output shaft set screws to 60 70 in Ib 6 8 7 9 N m See Figure 4 O J Te all Figure 4 CW Mounting 6 Rotate controller CCW to centerline of VAV terminal damper should be sealed 7 Using controller mounting foot as a template mark and drill a pilot hole in VAV terminal 8 Make certain mounting hole position does not affect performance of terminal box If damper movement is affected install mounting foot in side location 9 Secure controller mounting foot using a 10 sheet metal screw 11 12 Press and hold manual override button and rotate damper to full open position by turning damper shaft Release manual override button If necessary rotate actuator collar slightly to return button to fully extended position Loosen and slide CCW travel adjustment screw to travel indicator pin and tighten screw to 28 to 32 in Ib 0 32 to 0 37 Kg meter Figure 5 2010 Schneider Electric All rights reserved F 26282 6 F 26282 6 CCW travel adjustment screw Damper cea _ Manual override button Travel a CW a adjustment screw Figure 5 Travel Adjustment 13 Verify damper moves freely between full open and full closed position
17. ns references to TAC as a corporate brand in the body copy As each document is updated the body copy will be changed to reflect appropriate corporate brand changes All brand names trademarks and registered trademarks are the property of their respective owners Information contained within this document is subject to change without notice Schneider Electric 1354 Clifford Avenue P O Box 2940 Loves Park IL 61132 2940 USA 1 888 444 1311 www schneider electric com buildings F 26282 6 February 2010 tl Schneider 2010 Schneider Electric All rights reserved
18. of the controller s digital outputs MNL V2RVx only Verify piping from air station velocity pressure sensor is properly connected to P1 LO and P2 HI fittings on the controller 2010 Schneider Electric All rights reserved F 26282 6 Communications Hardware Checkout F 26282 6 N Verify controller is in a manually controlled safe state Place controller power breaker in the ON position See job wiring diagrams 3 Observe green Data Transmission LED Figure 13 and do the following If green Data Transmission LED is steady on or blinking go to step 4 If green Data Transmission LED is off check power Observe red Service LED Figure 13 and do the following If the red Service LED is off or flashing proceed with downloading an application using WorkPlace Tech Tool WP Tech and configuring the controller with a third party network management tool Refer to Work Place Tech Tool 4 0 Engineering Guide F 27254 for details on downloading applications If red Service LED is steady on turn power to controller OFF wait five seconds and turn power ON If red Service LED is still steady on turn power OFF and replace controller AO COM Ul DI S LK COM S LK LON LON pipen Red service Amber data reception LED LED NETZ If connected to a MicroNet LonWorks network LON verify Reception and Transmission LEDs Figure 13 indicate normal operation See Table 3
19. one Required Anytime On indicates that the neuron application is not running Neuron applications are not field replaceable Replace the controller Anytime Blinks 1 sec to indicate that the neuron application is loaded but the neuron s communication parameters are not loaded are being reloaded or have been corrupted Neuron is considered unconfigured Communication parameters cannot be configured by field personnel Use a third party network man agement tool to commission the controller or use the change state tool in WorkPlace Tech Tool ver sion 4 0 or greater to set the Neuron to the configured on line state While the controller is unconfig ured WP Tech can be used to download an application but at the completion of the download WP Tech version 4 0 and higher will restore the Neuron to the unconfigured state Anytime Off indicate that the neuron application is loaded but the device is off line In this state a pre loaded HVAC application will not run Use a third party network man agement tool to commission the controller or use the change state tool in WorkPlace Tech Tool ver sion 4 0 or greater to set the Neuron to the configured on line state While the controller is unconfig ured WP Tech can be used to download an application but at the completion of the download WP Tech version 4 0 and higher will restore the Neuron to the unconfigured state Anytime Of
20. onents and software Provides step by step instructions for using Work Place Tech Tool EN 206 Guidelines for Powering Multiple Full Wave and Half Wave Rectifier Devices from a Common Transformer Application Engineers Installers Service Personnel Offers guidelines for avoiding equipment damage associated with improperly wiring devices of varying rectifier types Contains instructions for identifying device rectifier type guidelines for correctly powering devices of varying rectifier types and examples illustrating proper power wiring techniques MicroNet VAV Flow Balance User s Manual Application Engineers Installers Service Personnel Start up Technicians Provides step by step instructions for using the MicroNet VAV Flow Balance software Installation Inspection Inspect carton for damage If damaged notify carrier immediately Inspect controllers for damage upon receipt Requirements e Installer must be a qualified technician These items not provided e Job wiring diagrams e Tools 1 8 allen wrench or hex driver 1 4 inch hex driver for travel adjustment screws Pliers for turning damper shafts Digital Volt ohm meter DVM Drill and bits for mounting screw Static protection wrist strap Torque wrench capable of measuring at least 70 in Ib 7 9 N m e MNA FLO 1 enclosure for connecting to conduit optional e AM 135 3 8 in 9 5mm to 1 2 in 12 8mm shaft adapter
21. onnection to a MicroNet Interface MI and other MicroNet controllers LONWORKS network connection from controller to an TAC I A Series MicroNet Sensor 1 0 connections including One Universal Input UI One Digital Input DI One Analog Output AO MNL V2RVx model only Three Digital Outputs DO MNL V2RVx model only e Power connection to a 24 Vac nominal Class 2 EN 60742 power source and earth ground Communications Wiring Caution e Communication wire pairs must be dedicated to S Link and MicroNet LONWORKS network LON communications They cannot be part of an active bundled telephone trunk e Shielded cable is not required for S Link or LON wiring e If the cable is installed in areas of high RFI EMI the cable must be in conduit If shielded wire is used the shield must be connected to earth ground at only one end by a 470K ohm 1 4 watt resistor Shield must be continuous from one end of the trunk to the other Communications wiring includes a connection between the controller and an TAC I A Series MicroNet Sensor via the S Link and a connection between the controller and the MicroNet LONWoRKS Network LON An optional LonWorks Network connection between the controller and one TAC I A Series MicroNet Sensor is also possible Figure 9 shows S Link and LON wiring terminations Sensor Link S Link Wiring S Link wiring powers and enables the MN Sx sensor The S Link needs at least 24 g
22. optional e Class 2 power transformer supplying a nominal 24 Vac 20 4 to 30 Vac with a minimum rating of 12 VA 50 60 Hz per controller plus Digital Output DO loads Each DO can be up to 24 VA In European Community transformer must conform to EN 60742 e Terminators One LON TERM1 terminator required for each free topology Two LON TERM2 terminators required for each bus topology e One 10 sheet metal screw e 0 170 in 17 100 I D FRPE polyethylene tubing or 0 125 in 1 8 I D or 0 25 in 1 4 O D tygon tubing for piping connections Not more than five feet 1 52m long 2 2010 Schneider Electric All rights reserved F 26282 6 Precautions F 26282 6 General Warning Electrical shock hazard Disconnect power before installing or removing the cover e Follow Static precautions when installing this equipment e Use copper conductors that are suitable for 167 F 75 C e Make all connections according to electrical wiring diagram national and local electrical codes Static Precautions Static charges damage electronic components The microprocessor and associated circuitry are extremely sensitive to static discharge Use the following precautions when installing servicing or operating the system e Work in a static free area e Discharge static electricity by touching a known securely grounded object e Use a wrist strap connected to earth ground when handling the controller s printed circuit bo
23. patibility 89 336 EEC 2010 Schneider Electric All rights reserved 3 Location These controllers are for indoor use only Caution e Avoid locations where excessive moisture corrosive fumes vibration or explosive vapors are present e Avoid electrical noise interference Do not install near large contactors electrical machinery or welding equipment e Locate where ambient temperatures do not exceed 131 F 55 C or fall below 32 F 0 C and relative humidity does not exceed 85 or fall below 5 non condensing Mounting location must clear the maximum dimensions of the controller case and allow the controller to be mounted flush to the surface of the terminal box and perpendicular to the damper shaft Mounting Mount controllers directly over the damper shaft in any direction and on any plane that is perpendicular to the damper shaft Mounting dimensions are shown in Figure 1 Some terminal boxes have sheet metal screw heads or other protrusions near the damper shaft In these cases a spacer or shim may be added under the mounting tab of the actuator to make the actuator perpendicular to the shaft 6 1 4 159 2 1 2 p 4 1 2 EE EN 114 63 7 3 4 am a97 Q 5 3 4 146 U Es a Dimensions shown are in inches mm Figure 1 Mounting Dimensions 4 2010 Schneider Electric All rights r
24. s There must be no binding between the actuator and damper or obstructions hindering damper operation Mounting Controller with Damper Closed in Counter Clockwise CCW Position Note The default setting for actuator rotation is CW Closes 0 To reverse rotation change to CW Opens 100 1 If direction of actuator rotation needs to be changed then do a through e below If not go to Step 2 Using Work Place Tech Tool Open the project Select controller from network definition page Change VAV Box Direction property from CW Closes 0 to CW Opens 100 Save and download changes Close Work Place Tech Tool 2 Turn damper shaft to full closed CCW position 9295p 3 Press and hold manual override button and turn actuator collar to full CCW position 4 Release manual override button If necessary rotate actuator collar slightly to return button to fully extended position 5 Loosen output shaft setscrew and slide controller over damper shaft until mounting foot contacts mounting area on VAV terminal Note Mounting foot can be moved from the factory shipped location to side location 6 Rotate controller Clockwise CW about three degrees off centerline of VAV terminal and tighten output shaft set screws to 60 70 in Ib 6 8 7 9 N m See Figure 6 2010 Schneider Electric All rights reserved 7 Figure 6 CCW Mounting Rotate controller CCW to centerline of VAV terminal damper should
25. t more than 1 0 V and minimum open switch voltage is at least 4 5 V then solid state switches may be used for a UI or a DI e Ul AO DI and S Link wiring can share a single conduit UI AO DI wiring needs at least 24 gage 0 51mm twisted pair voice grade telephone wire The capacitance between conductors cannot be more than 32 pF per foot 0 3m If shielded cable is used the capacitance between any one conductor and the others connected to the shield cannot be more than 60 pF per foot 0 3m Table 1 provides wiring specifications Table 1 UI AO and DI Wiring Specifications Gage Maximum Distance AWG mm 18 1 02 300 91 20 81 Connection 22 65 24 51 UI AO and DI Digital Outputs DO MNL V2RVX only Caution e DO terminals accept one 16 gage 1 29mm wire or two 18 gage 1 02mm wires The selected wire gage must be consistent with the load current rating e DO wiring cannot be intermixed with DI UI AO S Link or LON wiring e TAC I A Series MicroNet VAV controllers are Class 2 EN 60742 only devices 2010 Schneider Electric All rights reserved F 26282 6 F 26282 6 Note e Digital Output wiring can be intermixed with power wiring e The minimum permissible load for Digital Outputs is 10mA at 5 Vdc Three relay outputs on the controller are used for pilot duty control of electrical contactors and floating or two position reheat actuators See Fig
26. ure 10 Digital output load specifications for the controller are shown in Table 2 SUAS A VARN A ga 24H O l Primary 3 Fat A 24G COM Frame Class 2 Transformer r GND A See application documentation for output designation and wiring specifics A Polarity must be maintained 24H connected to 24H and 24G connected to 24G A Dashed lines represent internal controller circuitry Figure 10 Relay Output Field Wiring Table 2 Relay Output Load Specifications Specification Value voltage at 24H terminal Maximum Output Load 24 Vac Pilot Duty 24 VA Minimum Controllable Load 10 0 mA Maximum Relay Contact Switched Output Voltage Maximum Off state Leakage Current 3 5 mA Minimum Relay Cycles at Rated Load Power Factor 0 4 300 000 cycles 4Switched output voltage is equivalent to value of input voltage Power Supply Wiring Caution This product contains a non isolated half wave rectifier power supply and must not be powered by transformers used to power other devices containing non isolated full wave rectifier power supplies Refer to EN 206 Guidelines for Powering Multiple Full Wave and Half Wave Rectifier Devices from a Common Transformer F 26363 for detailed information e Power wiring cannot be intermixed with LON S Link UI AO or DI wiring e Use a Class 2 EN 60742 power transformer supplying a nominal 24 Vac 20 4 to 30 Vac with a minimum ratin
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