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Trane Dual-Duct Programming Guide

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1. 1801 LED1 LED2 23 23 23 icm SERED 93 LED3 2e1 21 het E ST 52 OF LED 5 ibe ADDRESS d STATUS 1 di z T e o 2 0 Qm Diagnostics Note Reading diagnostics can show if the sensor has an issue or it has not been setup properly Use this information as a starting point e LED1 LED2 and LED3 will respond to diagnostics by exhibiting specific blinking patterns They will occur on the sensor as a result of pressing the Test button S5 Table 23 p 93 They will occur on the receiver independently of any user action Table 23 p 93 91 e TRANE Troubleshooting Table 20 Diagnostics on the sensor LED state when Test button is pressed Error code WDS WTS WZS sensors sensor display Indicates Sensor failure N A EU E5 E7 Replace sensor CERES Disassociated SEDE Off El Sensor is not associated with a receiver LED3 1 blink pattern repeated 3 times Off Address set to 000 Off Address not set to between 001 999 LED3 2 blink pattern repeated 3 times Software error RED Replace sensor LED3 3 blink pattern repeated 3 times p LED1 Off Input voltage too high LED2 Off E4 No RF transmission is permitted with an input battery voltage LED3
2. HEATER TERMINALS TYPICAL OF SINGLE PHASE VOLTAGES LINE VOLTAGE PLLZN 208 20480 L SEE NAMEPLATE L1 N 277 347 CONTACTOR 1ST STAGE MANUAL CUTOUT OPTIONAL FUSE T i STAGES SINGLE PHASE LINE VOLTAGES 208 2 CONTACTOR 240 2ND STAGE 277 347 480 oV HEAT __ CONTACTORS MAGNETIC CONTACTORS MAGN MERCURY CONTACTORS MERC UTAN te OPTIONAL AUTO RESET AIR FLOW THERMAL 575 SWITCH CUTOUT HH M J OPTIONAL v DISCONNECT SWITCH o 5 8 TELA Tere a 22 _ 1 1 3x HEATER TERMINAL BOX NE nd NE pean TO FAN i I A ACTUATOR 2000000 WIRING AS dom 7 6 32 1 en fone DIGITAL DISPLAY ZONE SENSOR W COMM JACK 275 mans are TE pa REMOTE OPTIONAL FIELD INSTALLED DIGITAL DISPLAY ZONE SENSOR BK 5 DISCONNECT 37 3 y SWITCH 3 MOTOR Pr ee 8 e SPEED option 7 FUSE CONTROL FACTORY optiona INSTALLED MOTOR W Jw 1 WIRELESS BK RELAY TERMINAL BLOCK 1 2avac T BK 2 4 BR w A a gt R BR i i TRANSFORMER 1 1 4 GND 24V ee elf eee LY VV550 BOARD ot BK BL D E TES 1332 zo d 3 2 ZONE SENSOR WI COMM JACK 4 REMOTE MT 3 8 8 OPTIONAL FIELD INSTALLED ZONE SENSOR 8 PRESSURE S TRANSDUCER Is miele le al al zzz Bee Sl PREP 550 GN CONTR
3. MS Note The dimensions are the 2 62 in 6 65 cm same for both the sensor and the receiver VAV SVP01A EN 27 e TRANE VAV Start Up Check Out Procedure Figure 10 Mounting hole dimensions for sensor 3 27 in 8 30 cm 2 36 in 6 00 cm 1 34 in 3 41 cm Note The dimensions are the same for both the sensor and the receiver Setting the Address Mounting Wiring and Associating the Receiver and Sensor The following procedure list shows the recommended order for installation e Choosing a Location for Mounting the Sensor e Setting the Rotary Address Switches on the Receiver and on the Sensor e Replacing and Securing the Receiver Cover e Powering the Sensor and Associating the Sensor to the Receiver e Applying Power to the Receiver e Testing Signal and Battery Strength e Disassociation 28 VAV SVP01A EN e TRANE VAV Start Up Check Out Procedure Choosing a Location for Mounting the Sensor Placement of the receiver and the sensor set is critical to proper operation In most installations distance is not the limiting factor for proper radio signal quality It is more greatly affected by walls barriers and general clutter For best radio transmission range and reliability wherever possible mount the receiver and sensor in line of sight Tr
4. Troubleshooting Table 18 Green status LED activity Green Status LED Activity Description On Power On normal operation off One of the following e Power Off Controller failure e Test button pressed Blinking for 10 seconds Wink mode 2 0 25 seconds Off 0 25 seconds On One blink continuously The controller is in the manual output test mode and no 0 25 seconds Off 2 25 seconds On output override unit diagnostic conditions Two blinks continuously The controller is in the manual output test mode and one 0 25 seconds Off 0 25 seconds On or more output override unit diagnostic b conditions exist 0 25 seconds Off 1 75 seconds On a The wink feature enables you to identify a controller By sending a request from the Rover service tool you can request the controller to wink b See the diagnostic topic in this guide for a complete list of output override diagnostics Troubleshooting Procedures VV550 Failure Procedures VAV SVP01A EN WARNING Live Electrical Components During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury 1 Incorrect supply v
5. 1 CONTACTOR STAGES SINGLE PHASE 2ND STAGE LINE VOLTAGES 2 208 240 ANo m 277 480 UTOTIN NI HEAT cl CONTACTORS OPTIONAL AUTO RESET AIR FLOW THERMAL MAGNETIC CONTACTORS MAGN SWITCH CUTOUT 1 ze 1 MERCURY CONTACTORS MERC 1 Yi LY of Lj LE lt FOR VOLTAGES 208 240 amp 480 A SECOND HOT OPTIONAL FUSE IS INSTALLED IF FUSE IS SELECTED v DISCONNECT i 1 g 5 ui HEATER TERMINAL BOX DAMPER 3 ACTUATOR To mer nge mae maed WIRING ECM MOTOR o ea lie re an I 1 343 1 LI 1 1 22d zu i 1 1 55000001 ede eres I 6 321 DIGITAL DISPLAY ZONE sensor 1 w 1 WI COMM JACK 1 BK w REMOTE 1 DISCONNECT TERMINAL i i SWITCH BLOCK 1 OPTIONAL FIELD INSTALLED 5 1 1 16 BR W Us DAP ZONE SENSOR ed aj y sk w 38 OPTIONAL FUSE BL OPTIONAL esca FACTORY D INSTALLED Y 1 1 BK 1 wiReLess eae El TRANSFORMER 1 24VAC BLI 1 gt o gt Y eme pL UB JU amp BL ED ef of oct BK amp 1 m m 45 5 1 Er GND 24V a o SSS BK BL if ET a mes m 2 4 BK 7p me Lbs denies d Tt mr R POWER FACTOR ooo CORRECTION CHOKE a ja 2 1 3 24V WI CONN JACK 8 Woron REMOTE MTD 1 5 Y BL amp OPTIONAL FIELD 1 TERMINA
6. links to 4 500 ft and 60 devices maximum without a repeater e Use the following termination resistors on all links e 105 9 at each end for Level 4 wire e Use daisy chain topology e Limit zone sensor communication stubs to 8 per link 50 ft each maximum e Use one repeater for an additional 4 500 ft 60 devices and 8 communication stubs Recommended Wiring Practices To ensure proper network communication follow these recommended wiring and planning guidelines when installing communication wire e All wiring must comply with the National Electrical Code NEC and local codes e Although Commb does not require polarity sensitivity Trane recommends keeping polarity consistent throughout the site e Make sure that 24VAC power supplies are consistent in how they are grounded Avoid sharing 24VAC between controllers e Avoid over tightening cable ties and other forms of cable wraps This can damage the wires inside the cable e Do not run Comm5 cable alongside or in the same conduit as 24VAC power This includes the conductors running from triac type inputs e In open plenums avoid running wire near lighting ballasts especially those using 277 Vac e Use a daisy chain configuration e Use termination resistors as described in Termination resistance placement for Commb links e Insulate termination resistor leads e Use only one type of communication wire do not mix different types 19 e TRANE VA
7. 3 Association will automatically occur between the sensor and the receiver If the first association attempt is unsuccessful the sensor will automatically reattempt association with the receiver every 10 minutes Note Adisassociated sensor will transmit an association request every 10 minutes An associated sensor that has lost communication with the receiver will transmit an association request every 50 minutes Note LED3 on the receiver stops blinking to indicate that association has been established Figure 16 Removing the insulation barrier on the sensor SENSOR L Pb FREE d F d 23 23 23 1 LED2 eC leGslse amp isos 9 e Q 9 LED3 gt 91 SIGNAL 52 m nese di ADDRESS a BATTERY STATUS STATUS 9 n WIRELESS INSTALL 34 VAV SVP01A EN e TRANE VAV Start Up Check Out Procedure Testing Signal and Battery Strength The following recommended test indicates signal and battery strength It verifies that the association process was successful and that the batteries have adequate charge For more information on LEDs see Troubleshooting chapter 1 Firmly press and release the Test button S5 on the bot
8. Be a e tandum E rd Rr e dod 63 Test Tab 5 Arn 64 Other Tab RA 65 OverrlId8S dde al ae ee Ses 66 Sequence of Operations asaran anann teen nen eet nnn 67 Chapter Overview 0 asasaran nananana 67 Calibration ne eee Ss cep ded deben e 67 4 VAV SVP01A EN VAV SVP01A EN Occupancy Modes lesser 68 Space Temperature Control Single Duct Units 69 Space Temperature Control Fan Powered Units 72 Ventilation Flow Control sssseeeee s 74 Flow Tracking n ER Ewa eek FH Ee a ree aes 76 Air and Water Balancing sssesessese ses 78 Chapter Overview 78 Air Balancing xe e ere eda Eg da ded e e le eee ee 78 Rover Air and Water Balancing 79 Troubleshooting 2 2 ested eda ck Der d ad Roe e oa cedi 83 Chapter Overview 83 Diagnosing the Problem 83 Troubleshooting Procedures 87 Trane Honeywell Proportional Valve Check Out Procedures 105 5 TRANE General Information Chapter Overview This chapter contains information about the following e Unit Control Module
9. che Aux DE L E S SA URS SPECTER CES MESURES DE PEUT ENTRA R DES ES GRAVES TELLES ADVERTENCIA PELIGROSO TDA LA ENERGIA ELECTRICA SIGA LOS PROCEDIMIENTOS DE CIERRE Y ANTES DE PROCEDER AL C LAS Li c L M REALIZAR LE ANTERIDRMENTE INDICADO PODRIA DCASII LA ERTE SERIAS LESIDNES PE ES 31 e TRANE VAV Start Up Check Out Procedure Table 8 Wiring harness wire identification Wire Label Color Function HEATING SET Brown Space setpoint FAN SYSTEM Green Fan and system control WDS only SETPOINT Red Space tempera ur n WDS and ZONE White Zone temperature GND SIGNAL Black Ground for setpoint and zone signal 24VAC DC Blue 24VAC vdc power GND POWER Yellow Ground for 24VAC dc Replacing and Securing the Receiver Cover 1 To replace the receiver cover on the base plate hook the cover over the top of the base plate Apply light pressure to the bottom of the cover until it snaps in place 2 If necessary to keep the cover securely attached install the security screw into the bottom of the receiver Figure 13 p 32 Figure 13 Snap receiver cover on base plate and attach security screw Security screw 32 VAV SVP01A EN e TRANE VAV Start Up Check Out Procedure Applying Power to the Receiver Restore power to the VV550 Controller Obse
10. Freeze protection active ventilation flow control Closed Off Off Thumbwheel in position single star position Minimum airflow Normal Normal Thumbwheel in position double star position Maximum airflow Normal Normal Normal Normal Normal Normal a When the unit configuration is invalid all outputs are de energized 0 VDC so that they return to their normal state b If system mode is heat or auto with a warm or hot primary air temperature c When a temperature sensor fails after being valid the controller generates a diagnostic to indicate the sensor loss condition The controller automatically clears the diagnostic once a valid sensor temperature value is present non latching diagnostic VAV SVP01A EN 85 e TRANE Troubleshooting LED Operation 86 Resetting Diagnostics A reset clears latching diagnostics and enables the controller to try to run normally If the latching condition is still present after the reset the controller shuts down A reset resets a unit that is running normally There are five ways to reset unit diagnostics e Manual output test at the controller e Cycling power to the controller e BAS communicated status request clear alarm e Rover service tool communicated status request clear alarm Acommunicating device able to access the controller diagnostic reset input communicated status request clear alarm Red Service LED Table 17 Red service LED activity Red Servi
11. Note To expedite the installation and association process set the addresses before applying power to the receiver The process of establishing communication between the receiver and sensor is referred to as association The receiver and the sensor must have their rotary switches set to the same address in order to enable communication between the two devices see Figure 11 p 30 Important limitations are as follows e Only one associated receiver sensor set can communicate within the reception range of the wireless system e tisnot possible to associate more than one sensor to a receiver nor is it possible to associate more than one receiver to a sensor 29 e TRANE VAV Start Up Check Out Procedure Figure 11 Setting the rotary address switches on the receiver and the sensor Do not remove the insulation strip yet e Pb FREE 23 23 E i nlg 1 23 VA e aO ee ix _leGoleOol a 9219 oa a 281 01 819 uS aa DDRESS aa ADDRESS E FP C33F C343 BATTERY ATUS POWER STATUS TL Li HEATING SET H 55 FAN SYSTEM SETPOINT 035 WBELESS 55 ZONE Mis GND 24VAC DC a GND COMM U COMM B Setting the Receiver Addr
12. 3 1 8 lt 8 PRESSURE 1 a i OND RIV d TRANSDUCER VV550 BOARD a i oe m en d mm did d eb lale mimm m aj amma Pune TWISTED PAIR COMMUNICATIONS WIRING FIELD INSTALLED VAV SVP01A EN 109 e TRANE Troubleshooting Figure 62 Single duct with three phase voltage electric heat SINGLE DUCT UNITS Vy550 HEATER TERMINALS TYPICAL OF THREE PHASE VOLTAGES SEE HEATER SCHEMATIC FOR ACTUAL WIRING CONTAC IOR ST STAGE MAGNETIC CONTACTORS MAGN LMERCURY CONTACTORS MERC 1 1 TO2 6 185 3 165 1 2 2 5 2 Li 1 tt Li 1 1 1 FIELD INSTALLED 110 20B AB0 575 215 VAV SVP01A EN e TRANE Troubleshooting Figure 63 SCR PSC fan powered with single phase voltage electric heat FAN POWERED UNITS VV550
13. Service tool Comm5 PCMCIA card Adapter cable pi aeg RJ11 plug 3 Double click the Rover icon on the laptop PC desktop The Rover Service Tool screen will appear 4 Double click on the Comm5 Configuration Only Service Tool icon to access a Comm5 VV550 This tool allows the user to monitor configure and test Comm5 VV550 controller Note The configuration only Rover Comm5 software runs only in the Passive mode This means that you can configure setpoints and other controller parameters but cannot create bindings or set up peer to peer Commb networks All other Rover Comm5 features are available Figure 32 Rover service tool Rover Service Tool Welcome to the Rover Service Tool Main Menu To proceed click TRANE the button next to the application you want to start Comm4 Service Tool Use this tool to monitor configure and test Comm4 devices Comm5 Configuration Only Service Tool Use this tool to monitor configure and test Comm5 devices 7 Comm5 Service Tool 2 Use this tool to manage Comm networks and to monitor configure and test Comm5 devices Comm5 Flash Download Wizard Use this tool to upgrade the firmware in devices that support flash memory Comm5 Configuration Builder Use this tool to create and edit Comm device configurations while working offline Comm5 Air and Water Balancing Tool Use this tool to simplify the air and water balancing proc
14. Storage 11 Data Lists eed oda os bee iube Des datore deed pa ee hth ees 12 VAV Start Up Check Out Procedure 14 Chapter Overview 14 VV550 Pre Power 14 VV550 Power Wiring mun 15 Light Emitting Diode LED lt 16 Communication Wiring 00 c cee eee 19 Wireless Zone Sensor sells 27 VAV VV550 Controller Programming and Operation 42 Chapter Overview 42 Accessing Rover Commb LonTalk 42 VV550 Controller Device Home Tabs Ata Glance 44 Entering and Exiting the Service Mode 51 Overriding VAV Shii annen sa x E E REPRE LE Ee eee eee e a dota 51 VAV VV550 Controller Device Home Tabs Instructions 54 Chapter Overview 0 asasaran nananana 54 Configuration hm rn 54 Setpoints Tab i ERE Re bade eee ene 54 Unit beaux xatd dade BRAM es 57 Setup 1 one a ae 59 Inputs aap stern accentu Gisld eda Ee 61 Qutputs Tab cuero
15. 110 0 F Occupied Standby Cooling 78 0 F Cooling Setpoint Low Limit 40 0 F Occupied Cooling 71 0 F Heating Setpoint High Limit 105 0 F Occupied Heating 69 0 F Heating Setpoint Low Limit 40 0 F Occupied Standby Heating 67 0 F Freeze Avoidance Unoccupied Heating 60 0 F Outdoor Air Low Limit 40 0 F Active Setpoint v Enable Thumbwheel Setpoint Space Temperature 70 0 F Active Setpoint Invalid F iv Enable Siar E Airflow 0 v Enable Auto Calibration Save Download Close Device Name Tracer VV551 In Rover the setpoints can be changed by selecting the Configure button Following are descriptions of each line on the Setpoints tab Default Setpoints Unoccupied Cooling Set points have a range of 30 0 100 0 F 1 1 378 C This cooling set point is used when the VAV VV550 Controller is unoccupied The unoccupied cooling set point must be greater than or equal to the unoccupied heating set point plus 2 0 F 1 1 C VAV SVP01A EN VAV SVP01A EN S TRANE VAV VV550 Controller Device Home Tabs Instructions Occupied Standby Cooling Based on the controller occupancy mode the active space cooling setpoint is the occupied stand by cooling setpoint The controller can be placed in the occupied standby mode when a communicated occupancy mode request from a communicated occupancy override occupancy schedule or occupancy sensor is combined with an occupancy request from the loc
16. 24VAC If 24VAC is not present check incoming power to the VAV VV550 Controller board on TB1 1 and TB1 2 Should measure 24VAC 10 If you measure the proper voltage at TB1 1 and TB1 2 and no voltage at J1 6 and TB1 2 replace the VAV VV550 Controller e Check motor by applying 24VAC directly to common blue and jumper open black wire to a ground to drive damper open e Damper should drive open e Check motor by applying 24VAC directly to common blue and jumper closed red wire to a ground to drive damper closed e Damper should drive closed Note VV550 Outputs are switched to ground Do not jumper 24VAC to J1 3 of J1 4 because damage will occur f damper actuator does not open or close replace actuator VAV Series Fan Failure Procedures VAV SVP01A EN ZAWARNING Hazardous Service Procedures The maintenance and troubleshooting procedures recommended in this section of the manual could result in exposure to electrical mechanical or other potential safety hazards When possible disconnect all electrical power including remote disconnect and discharge all energy storing devices such as capacitors before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized When necessary to work with live electrical components have a qualified licensed electrician or other individual who has been trained in handling live electrical components perform these tasks Failure to follow all of t
17. 4 blink pattern repeated 3 times greater than 3 9V a Blink pattern is On for 1 4s Off for 1 4s with 2s OPff between repetitions Table 21 Diagnostics on the receiver LED1 LED2 LED3 LED1 LED2 LED3 LED1 LED2 LED3 LED state Off Off 1 blink pattern repeated continuously Off Off 2 blink pattern repeated continuously Off Off 3 blink pattern repeated continuously a Blink pattern is On for 1 4 s Off for 1 4 s with 2 s Off between repetitions 92 1 wireless zone sensor system failure Indicates Disassociated Receiver is not associated waiting for a sensor Receiver lost communication with sensor Receiver has no devices on its wireless personal area network Association with a device has been manually removed Address set to 000 Address not set to between 001 999 Not configured Receiver configuration properties bot properly set defective receiver Observe LED5 on the receiver LED5 will be On solid green whenever the receiver is powered Make sure the receiver is properly grounded Both the black wire GND SIGNAL and the yellow wire GND POWER must be grounded e Press the Test button S5 on the sensor Models WTS WZS LED5 should turn On solid green indicating proper battery strength LED1 LED2 and LEDS will indicate signal strength See Table 23 p 93 Table 22 Battery status LED5 on the sensor User Action LED Display Indica
18. Local Heat 47 EE x 122 CFM Heat Offset 4 0 Fan Control Setpoint 14 x 36 CFM L Control Offset 02 dn oe x L 11 22 am 2 Click the File menu and click Save As 3 The Save As dialog box will appear Name unit and click Save Figure 39 Save As prompt e ucm3 vav vav 68 vav vavi vav 69 vav vav 1 14 vav vav 70 vav vav 1 15 vav vav 71 vav E vAV 65 vav WAY 10 vav vav 57 vay VAY program Device Save as type x Cancel Downloading Program Files from to VAV VV550 Controller 1 Select the Configure button and the Configuration screen will appear 52 VAV SVP01A EN VAV SVP01A EN S VAV VV550 Controller Programming and Operation Figure 40 Configuration screen open RoverComm4 Device 65 VAV TERMINAL UNIT Fie View Tools Help v Status Setpoints Setup Wireless Advanced Configuration VAVs 65 VAV TERMINAL UNIT 1 Other Configuration Rad Diagnostics Save As Enter Service Mode Reset r Heating Setpoints r Cooling Setpoints Active 71 6F Active 75 6 F Calibrate Occupied 68 0 Occupied 72 0 Unoccupied 50 0 Unoccupied 850 Low Limit 50 Low Limit 50 High Lima 78 High Limit 80 r Flow Outdoor Air Required Minimum Ex 29 CFM Occupied OE x Maximum aE 237 CFM Unoc
19. Minimum Airflow 492 cfm Occupied Standby Setpoint 0 cfm Air Valve Setup e E e z Space C02 Setup Minimum Position Setpoint 40 Low Limit 300 ppm High Limit 1 300 ppm Download Close Help Device Name Tracer VV551 In Rover the Setup Tab be changed by selecting the Configure button Following are descriptions of each line on the Setup tab for the Device Setup VAV setup Nominal Flow Nominal flow is the total airflow capacity of the VAV box Nominal Flow becomes an active field when Generic is selected in Box Setup under the Unit Tab Select the CFM nominal flow forthe unit This is normally used when mounting the VV551 controller on someone else s VAV unit Note See CNT PRCOOS EN if retrofitting a VV550 1 controller onto someone else s VAV unit Unit Flow Gain The flow gain is used to calibrate the value reported by the flow sensor so that the reported airflow matches the actual airflow The flow gain is determined during the air balancing of system A testing adjusting and balancing professional will use the Rover Air and Water Balancing tool to calculate this value and balance the VAV box Normally you should not need to change this value here Tracking Offset This field is available only if the controller is using flow tracking control Type a tracking offset to create a positive or negative pressure in the controlled zone The tracking offset is added to the airflow setpoint so a positive offset decr
20. Off Controller failure Test button pressed Blinking for 10 seconds 0 25 seconds Off 0 25 seconds On Wink mode 2 One blink continuously 0 25 seconds Off 2 25 seconds On The controller is in the manual output test mode and no output override unit diagnostic2 conditions Two blinks continuously 0 25 seconds Off 0 25 seconds On 0 25 seconds Off 1 75 seconds On The controller is in the manual output test mode and one or more output override unit diagnostic gt conditions exist a The wink feature enables you to identify a controller By sending a request from the Rover service tool you can request the controller to wink b See the diagnostic topic in this guide for a complete list of output override diagnostics VAV SVP01A EN e TRANE VAV Start Up Check Out Procedure Figure 2 VV550 single duct control diagram HEATER STAGE CONTACTOR S TO DAMPER ACTUATOR a o o N 1 m TWISTED PAIR COMMUNICATIONS WIRING FIELD INSTALLED FACTORY WIRING FIELO WIRING 2 1 4 QUICK CONNECT REQUIRED FOR ALL FIELD CONNECTIONS Tai 1 162 6 183 3 ru 2 1 2 5 1183 2 1 1 1 1 2 60HZ NEC CLASS 2 5556606 CONTROL CIRCUIT 1110 76 532 1 LOAD B VA DIGITAL DISPLAY ZONE SENSOR COMM JACI WITHOUT HEAT a OPTIONAL FIELD ae ae DIGITAL DISPLAY ZONE SENSOR USE DISCONNECT
21. Open Open from the sensor it is associated with Receiver has no power Open Open Thermistor in sensor has failed to Open Normal value either open or close Setpoint potentiometer has failed to either open or close Normal value Open 3 Measure the receiver output resistance by following the procedures Make sure the black wire GNS SIGNAL and the yellow wire GND POWER are grounded see above for wiring diagrams e Make sure the receiver is powered up Disconnect the SETPOINT wire red and the ZONE wire white from the host unit controller e Measure resistance between the grounded GND SIGNAL wire and either the SETPOINT or ZONE wire Compare resistance measurements to those presented in Table 25 p 94 Table 25 Receiver resistance Zone or Setpoint Temperature Nominal Zone Temperature Output Resistance Nominal Space Temperature Setpoint Output Resistance 55 12 8 C 17 47kQ 812 Q 60 F 15 6 C 15 3kQ 695 65 OF 18 3 C 13 49kQ 597 Q 70 OF 21 1 C 11 9kQ 500 Q 75 OF 23 9 C 10 5k Q 403 Q 80 F 26 7 C 9 3kQ 305 Q 85 29 4 8 25kQ 208 Q e When the test is complete reset the receiver address to its previous setting Press the Test button S5 on the sensor to force re association Confirm association and communication by noting LED1 LED2 and LED3 as described in Signal Quality Test e Pressing the Test button S5 on the s
22. Total capacity is limited by communicated auxiliary heat enable Not applicable Fan Modulating hot water Not applicable Parallel Series Fans Local PI capacity loop Modulating valve capacity Total capacity Valve drive incrementally open closed Total capacity limited by communicated auxiliary heat enable Note Abbreviations Zt Zone temperature HSP Heating setpoint Space Temperature Control Fan Powered Units VAV VV550 VV551 Controllers provide three fan options when in space temperature control mode e One speed ON OFF series fan e One speed ON OFF parallel fan e Fan Off Delay 72 VAV SVP01A EN Series Fan Parallel Fan VAV SVP01A EN S TRANE Sequence of Operations This Comm5 controller supports an Electronically Commutated Motor ECM The controller turns the ECM fan On and Off It does not change the ECM fan airflow To assist with flow balancing the fan flow rate is stored as a configuration item The series fan is always controlled as a one speed ON OFF fan The fan operates continuously in the occupied or occupied standby mode The fan cycles ON and OFF with calls for heating or cooling in the unoccupied mode The series fan operates in a manner that prevents reverse rotational operation The series fan is turned ON whenever one of the following occurs e Target airflow control point is greater than zero e Target air valve position is not closed e Actual air valve positi
23. VAV VV550 Controller e Specifications VAV VV550 Controller Enhancements e VAV VV550 Controller Features e Shipping amp Storage e Data Lists Unit Control Module VAV VV550 Controller The VV550 is a microprocessor based Direct Digital Controller DDC for the Variable Air Volume VAV terminal unit Units have been made with either pneumatic analog electronic or microprocessor controls DDC VAV This manual discusses only terminal units with Comm 5 VAV VV550 DDC Controller Factory installed DDC VAV controls are available with all single duct terminal units dual duct units as well as parallel fan powered and series fan powered units Two VAV VV550 Controllers are required for dual duct units one for the heating duct and one for the cooling duct and another application requiring to controllers is Flow tracking one unit controller is programmed from the factory with the Space temperature program and the other is downloaded with the Flow tracking program The VAV VV550 Controller can be configured from the factory with three different application programs The VAV VV550 Controller programmed for space temperature control modulates a VAV s damper blade based on a zone temperature measured airflow and set points to continuously control conditioned air delivery to the space The volume of incoming air is monitored and the damper adjusts to provide accurate control independent of the duct pressure The damper modulates between operator
24. ZONE SENSOR E RHOD 194 2 ze COMMON R NC CONTACT _2 181 2 NOT CONNECTED OPTIONAL FELD INSTALLED ja 2 ZONE SENSOR j o ZND ST AST STGJ OPTIONAL FIELO INSTALLED PROPORTIONAL WATOR VALVE WITH ADDITIONAL OPTIONAL FIELO INSTALLED ON OFF WATER VALVE OPTIONAL FIELD INSTALLED ON OFF WATER VALVE with e L FIELD INSTALLED ON OFF WATER VALVE 107 e mw Troubleshooting Figure 60 VV550 fan powered control diagram 108 TO TRANSFORMER OPTIONAL FELO INSTALLED HEATER STAGE ELECTRIC HEATER CONTAC TORS r5 B gt TO TO FAN RELAY DAMPER ACTUATOR PRESSURE TRANSDUCER A Q A a tn 7 P CONTROL BOX TWISTED PAIR COMMUNICATIONS WIRING FIELD INSTALLED FACTORY WIRING FIELO WIRING OPTIONAL OR ALTERNATE WIRING 2 1 A QUICK CONNECT REQUIRED FOR ALL FIELD CONNECTIONS CX ZONE SENSOR TERMINALS 1 AND 2 REQUIRE SHIELDED TWISTED PAIR WIRING FOR COMMUNICATIONS JACK COUIPPED ZONE SENSOR OPTION lt NO ADDITIONAL WIRING REQUIRED FOR NIGHT SETBACK OVERRIDE ON CANCEL lt THE OPTIONAL BINARY INPUT CONNECTS BETWEEN 784 1 24VAC HOT FROM TRANSFORMER THE BINARY INPUT CAN BE RECONFIGURED AS AN OCCUPANCY INPUT VIA THE COMMUNICATIONS INTERFACE CE TRANSFORMER PROVIDED IN ALL UNITS lt 7 UNITS WITH ELECTRIC HEAT HAVE OPTION
25. be between 20 and 28 VAC 24VAC cataloged However voltages at either extreme may result in system instability e Heat Triac s can be checked with purchasing 24VAC light bulb and see if it lights up on call for Heat output to be open or closed by VV550 If light bulb does not light up replace VV550 VAV SVP01A EN TRANE Troubleshooting Notice Equipment Damage VAV VV550 Controller outputs are switched to ground Do not jumper 24VAC to Binary output Triacs because damage will occur Trane Honeywell Proportional Valve Check Out Procedures Two problems can occur with the cartridge actuator or both that can result in over conditioning the space Cartridge Failure e fthe actuator is driven closed but there is 1 8 or more play in the indicator move with your finger or the piston has not returned up past the A port or has frozen In either case the cartridge is not closed off completely This will result in over heating or over cooling in the space Actuator Failure e ifthe actuator has stopped moving to the closed position when commanded to and there is no play in the lever the actuator has failed e Remove the actuator and work the cartridge stem manually If the stem moves freely then only the actuator has failed If the stem is sluggish or stuck the actuator and the cartridge have failed Note The actuator fault is intermittent and the actuator may operate again when removed from the valve or if tap
26. button Click this button to open another job Exit button Click this button to close the Air and Water Balancing tool VAV SVP01A EN TRANE Troubleshooting WARNING Live Electrical Components During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury Chapter Overview This chapter contains information about the following e Diagnosing the Problem e Diagnostic Log e Diagnostic Table e LED Operation e Troubleshooting Procedures e VV550 Failure Procedures e VV550 Communication Loss Procedures Wired Zone Sensor Failure Procedures Wired Zone Setpoint Failure Procedures Wireless Zone Sensor Failure Procedures e Airflow Failure Procedures Duct Temperature Sensor Failure Procedures e VAV Damper Failure Procedures e VAV Series Fan Failure Procedures e VAV Parallel Fan Failure Procedures e VAV Electric Heat Stage s Failure Procedures e VAV Proportional Hot Water Failure Procedures Trane Honeywell Proportional Valve Check Out Procedure e VAV Two Position Hot Water Failure Procedures Diagnosing the Problem Green Status LED will give you an indication if a diag
27. cannot be achieved DAT OAT Cold OAT temperature range Hot For staged electric ventilation flow control the number of installed stages can range from one to three Three stages are recommended since finer control is available with more stages In cases where the outdoor air temperature is more than 48 F 26 67 C below the discharge air temperature setpoint the controller cannot provide the requested control performance The controller provides no cooling capacity If the outdoor air temperature OAT is above the discharge air temperature setpoint the discharge air temperature cannot be controlled and the discharge air temperature is equal to the OAT Staged Hot Water Reheat Control Units equipped with hot water coils should be sized so the maximum temperature of air leaving the coil does not exceed 140 F 60 C F Since only one stage of hot water reheat is available staged hot water does not allow tight control of the discharge air temperature Although the controller operates in this configuration it is not recommended Staged Reheat Control Algorithm Integral Only An incremental form of the integral PID algorithm computes the desired level of reheat capacity The algorithm is run once every 10 seconds Modulating Reheat Control Hot Water Only Units equipped with hot water coils should be sized so the maximum temperature of air leaving the coil does not exceed 140 F 60 C If hot water reheat is installed the
28. enabled the controller initiates calibration on a communicated application mode command The building automation system is responsible for the staggering of the calibration sequence that is needed between units When autocalibration is enabled and a transition from occupied to unoccupied occurs the calibration sequence starts after a fixed delay of three minutes The controller effective occupancy mode is unoccupied but runs like it is occupied during this three minute period The mode field of reported unit status reports calibration when the controller is in the calibration sequence If autocalibration is disabled the air valve and water valve are not driven closed and the flow sensor zero flow voltage reading is not recorded Refer to Table 10 p 67 for calibration actions Table 10 Calibration actions I O Device Calibration Action Taken Result After Calibration Air valve initialize the air valve position as closed when Drive the air valve closed to the stroke time plus 20 seconds A the air valve is over driven Flow sensor Modulating hot water reheat Drive the water valve closed for the stroke time plus 20 seconds Subtract the zero flow reading from all Record the flow reading when the air valve is fully closed subsequent readings initialize the water valve position as closed when the water valve is over driven Fan Enabled Enabled Electric or On Off hot water Disabled Enabled VAV SVP
29. flow gain is determined during the air balancing process A testing adjusting and balancing professional will use the Rover Air and Water Balancing tool to calculate this value and balance the VAV box Normally you should not need to change this value here Minimum Delta The minimum amount of change in the primary airflow required before airflow and the airflow setpoint are communicated on the CommB link The percentage of change required is based on the nominal airflow For example if the nominal airflow is 1000 cfm and the minimum delta is 2 the primary airflow must increase or decrease by 20 cfm before the change is communicated on the link Ventilation Setup A Tracer Summit building automation system is required for accurate ventilation control The Tracer Summit VAS Comm5 application calculates the ventilation setpoint and coordinates the air handler and VAV boxes Occupied Setpoint During the occupied mode this setpointis the active setpoint for ventilation Occupied Standby Setpoint During the unoccupied mode this setpoint is the active setpoint for ventilation Space CO Setup CO sensor communicated value only Low Limit The controller adjusts the ventilation setpoint only when the CO2 concentration falls within the high and low limits When the CO2 concentration falls below the low limit this indicates that the zone is most likely unoccupied and that a minimum of ventilation air is required to ventilate the
30. input and TB1 2 and no voltage at TB3 1 and TB3 2 replace VV550 Zone sensors shorted out e Check the resistance across the wires Disconnect wires from VV550 and zone sensor making sure the ends are not touching each other and measure resistance It should be infinity or no conductivity If lower resistance is shown wires are shorted together and needs to be replaced 89 e TRANE Troubleshooting Wired Zone Setpoint Failure Procedures 90 Table 19 Zone sensor temperature resistance Temp F Thermostat Thumbwheel Sensor Resistance k Ohms Resistance Ohms 55 792 17 0 56 772 16 5 57 753 16 1 58 733 15 7 59 714 15 4 60 694 15 0 61 675 14 6 62 656 14 3 63 636 14 0 64 617 13 6 65 597 13 3 66 578 13 0 67 558 12 6 68 539 12 3 69 519 12 1 70 500 11 8 71 481 11 5 72 461 11 2 73 442 11 0 74 422 10 7 75 403 10 4 76 383 10 2 77 364 10 0 78 344 9 7 79 325 9 5 80 306 9 3 81 286 9 0 82 267 8 8 83 247 8 6 84 228 8 4 85 208 8 2 Note Thumbwheel resistance checks are made at terminal 2 and 3 on the zone sensor Temperature sensor resistance is measured at terminal 1 and 2 of the zone sensor N WARNING Hazardous Service Procedures The maintenance and troubleshooting procedures recommended in this section of the manual could result in exposure to electrical mechanical or other potential safety hazards When possible disconnect all electrical power including remote disconnect and disc
31. installed VAV VV550 Controller all inputs and outputs are configured at the factory For the field installed VAV VV551 Controller click the Start button to configure the outputs Binary Output 1 Binary output 1 is used to drive the air valve closed It works in conjunction with binary output 2 to modulate the air valve Binary Output 2 Binary output 1 is used to drive the air valve open It works in conjunction with binary output 1 to modulate the air valve Output Configuration Wizard Click the Start button to configure the outputs Binary Output 3 amp 4 This output can be configured for e Hot water on off control e Hot water modulating 3 wire valve control requires outputs and 4 e Electric heat staged or pulse width modulation The output is automatically configured based on your answers in the Output Configuration Wizard Device Contacts Normally Open Selectthis check box if the device contacts are normally open This check box is available only for hot water on off control 63 S TRANE VAV VV550 Controller Device Home Tabs Instructions Binary Output 5 This output can be configured for e Parallel or series fan on off control e Hot water on off control e Electric heat staged or pulse width modulation The output is automatically configured based on your answers in the Output Configuration Wizard Device Contacts Normally Open Select this check box if the device contacts are normally open This
32. is loaded with the default values for all of the fields when the auto 48 VAV SVP01A EN S TRANE VAV VV550 Controller Programming and Operation commissioning test sequence starts The fields are updated with the results as the sequence progresses The data is held until the next auto commissioning test If an auto commission command is received in the middle of an auto commissioning cycle the auto commissioning sequence restarts If an auto commission command is received during calibration calibration aborts and restarts after auto commissioning finishes If an abort auto commission command is received during the calibration portion of the primary air valve test it is honored after the air valve calibration finishes The mode field of reported unit status reports TEST when the controller is in the auto commissioning sequence Table 9 Auto commissioning test sequence Item Test Action Reported Data Primary air valve 1 Turn off fan and reheat Primary air valve and airflow 2 Close air valve and modulating water valve if present position at 40 and 3 Calibrate the airflow sensor 100 flow 4 Open the air valve to 40 of the configured maximum airflow Record the position of the air valve 5 Open the air valve to 100 of the configured maximum airflow Record the position of the air valve Fan Flow b 1 Record the auxiliary temperature at the configured maximum airflow Starting and ending 2 Close
33. is transmitting data The yellow Commb LED cannot distinguish between messages meant for the controller and messages that the controller ignores Table 6 p 23 shows and describes the yellow Comm LED activity Table 6 Yellow comm LED activity Yellow Comm LED activity Description LED Off continuously The controller is not detecting communication Normal for stand alone applications LED blinks or flickers The controller detects communication Normal for communicating applications including data sharing LED On continuously Abnormal condition or extremely high traffic on the link Table 7 Red service LED activity Red service LED activity Description LED is Off continuously after power is applied to the controller Normal operation LED is On continuously even when power is first applied to the PP Someone is pressing the Service push button or the controller failed controller LED flashes about once every two seconds Uninstalled normal controller mode Use the Rover service tool to restore the unit to normal operation Refer to the Rover product literature for more information Service Push Button Important f the Service button is held down for more than 15 seconds the controller will uninstall itself from the Comm5 network The red service LED flashing approximately once two every seconds indicates this mode see Red service LED above Use the Rover service tool to restore the unit to norma
34. normally closed e Verify the output configuration in the VV550 setup menu Note Parallel fan can be enabled by either a differential temperature above the heating setpoint or CFM flow See Operation chapter for details 3 Tracer Summit has the fan output disabled VAV SVP01A EN VAV SVP01A EN TRANE Troubleshooting e Check group global and or Tracer overrides to make sure they are not inhibiting fan operation 4 Aflow override exists locking out the fan output Check to make sure Tracer or Rover has released fan disable override Note lffan cycling is based on temperature go to step 5 and if it is based on air flow go to step 6 5 ffancontrolis based on temperature and Zone temperature is at or above the heating set point plus heating offset on units configured as temperature control A factory set differential of 0 5 F exists to prevent short cycling e Increase the VV550 heating set point causing fan to be cycled on e Lower the Heating setpoint by 6 degrees and the fan should cycle off 6 Ifthe fan control is based on flow the unit fan will be energized whenever primary airflow is below this set point For this parallel fan configuration the fan control point if specified in a percentage of unit airflow must be set between 15 and 30 of the units cataloged airflow to assure proper operation A differential of 596 exists to avoid excessive fan cycling e Override damper closed until CFM is below enabled flow
35. setpoint e See if fan cycles on e Override damper open until CFM is above enabled flow setpoint fan should cycle off 7 If VAV VV550 Controller is calling in the status menu for the Fan to be on and it is not then check the VAV VV550 Controller Triac output wiring and Relay output e Check J8 to common TB1 2 Should have 24VAC if it does not measure the power input to on TB1 1 24VAC input and TB1 2 of the VV550 board The supply voltage should be between 20 and 28 VAC 24VAC cataloged However voltages at either extreme may resultin system instability Triac can be checked with purchasing a 24VAC light bulb and see if it lights up on call for fan VAV VV550 Controller if light bulb does not light up replace VV550 Remove fan wires from VV550 and apply 24VAC directly to fan relay wires Fanrelay should energize If it does not energize check wiring If wiring is OK replace fan relay Notice Equipment Damage VAN VV550 Controller outputs are switched to ground Do not jumper 24VAC to Binary output Triacs because damage will occur 8 After all checks have been completed check motor fan winding integrity and bearing failure PSC Variable Speed Motor Check Out WARNING Live Electrical Components During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who has been properly trained in h
36. space is unoccupied It can be activated for a classroom currently not in use The controller can be placed in the occupied standby mode when a communicated occupancy mode request from a communicated occupancy override occupancy schedule or occupancy sensor is combined with an occupancy request from the local hardwired occupancy binary input Once in occupied standby mode the controller uses the occupied standby cooling and heating setpoints which typically cover a wider range than the occupied setpoints The wider range reduces the demand for heating and cooling in the space When the communicated occupancy mode request is unoccupied the occupancy binary input signal if present does not affect the controller occupancy mode When the communicated occupancy mode request communicated occupancy override not valid communicated occupancy schedule occupied or communicated occupancy sensor not valid is occupied the controller uses the local occupancy binary input to switch between the occupied and occupied standby modes When the controller is in the occupied standby mode it uses occupied standby setpoints and runs in e Occupied temperature control e Ventilation flow control or space temperature control e Flow tracking control Occupied Bypass Mode Occupied bypass mode is used for timed overrides For example if the controller is in unoccupied mode or occupied standby mode pressing the zone sensor ON button places the controller
37. uses the communicated space CO2 value The controller cannot monitor CO2 from a local CO2 sensor The controller compares the space CO2 concentration to the configured band of CO2 values and determines the demand ventilation rate of the zone The resulting ventilation rate is called the effective ventilation setpoint The effective ventilation setpoint is the outdoor airflow required to provide ventilation It is used to calculate the ventilation ratio of the zone Diagnostic This is a log that records each diagnostic independently of other diagnostics Note A list of diagnostics will be located in troubleshooting section of this manual Use the Reset Diagnostic button to reset the diagnostic from this point A reset clears latching diagnostics and enables the controller to try to run normally If the latching condition is still present after the reset the controller shuts down A reset resets a unit that is running normally There are five ways to reset unit diagnostics e Manual output test at the controller e Cycling power to the controller e BAS communicated status request clear alarm e Rover service tool communicated status request clear alarm Acommunicating device able to access the controller diagnostic reset input communicated status request clear alarm Operating Status Occupancy Modes There are four valid occupancy modes of the VAV VV550 Controller and they would be displayed at under operating status The fo
38. value If both are present the controller uses the communicated temperature If neither is present the controller uses the default primary air temperature defined on the Unit tab either hot or cold Discharge Air Sensor Select this option if the sensor measures the discharge air temperature In this case the sensor must be located downstream The controller can operate without a valid discharge air temperature analog input if configured for space temperature control or flow tracking control If the controller is using ventilation flow control with reheat the unit shuts down if there is no valid discharge air temperature A ventilation flow control unit without reheat operates normally without a valid discharge air temperature VAV SVP01A EN Outputs Tab S TRANE VAV VV550 Controller Device Home Tabs Instructions Figure 46 Outputs tab VAV SVP01A EN Rover Tracer VV551 Configuration File Configuration Device Setpoints Unit Setup Inputs f Test Other Output Configuration Binary Output 1 Binary Output 3 Air Valve Close Local Staged Electric Heat 1 Binary Output 2 Air Valve Open Local Staged Electric Heat 2 7 Output Configuration Wizard Binary Output 5 Start None ME Save Download Close Help Device Name Tracer VV551 In Rover the Outputs Tab can be changed by selecting the Configure button Following are descriptions of each line on the Outputs tab For the factory
39. variable temperature process Single duct VAV units with either electric or hot water reheat are used Fan powered units are not used for ventilation flow control Ventilation flow control must have an auxiliary temperature sensor that is located and configured as a discharge air temperature DAT sensor The required range of discharge air temperature setpoints is 45 F to 70 F 7 22 C to 21 11 C Ventilation flow control staged reheat control electric or hot water achieves a 30 minute average discharge air temperature to within 5 F 2 78 C of the discharge air temperature setpoint when the inlet temperature is within the control range Ventilation flow control modulating reheat control hot water only achieves a discharge air temperature to within 5 F 2 78 C of the discharge air temperature setpoint when the inlet temperature is within the control range Air Valve Control Ventilation flow control uses the air valve as a constant volume device The unit is given a constant flow setpoint for air valve control configured ventilation setpoint the air valve only repositions itself in response to changes in inlet static pressure By using pressure independent control for ventilation purposes a constant volume of fresh air can be maintained regardless of small fluctuations in inlet static pressure Ventilation flow control unit can use a Ventilation Setpoint from a BAS system if it is valid If unit is stand alone the ventilation
40. when the space temperature rises above the heat setpoint plus the configured parallel fan delta temperature enable setpoint by 0 5 F 0 28 C Parallel fan start based on primary airflow The parallel fan turns ON when the primary airflow falls below the configured parallel fan airflow enable setpoint or the primary airflow is less than the active minimum flow setpoint plus 2 of the configured nominal airflow The parallel fan turns OFF when the primary airflow rises above the configured parallel fan airflow enable setpoint plus 596 of the configured nominal airflow and the primary airflow is greaterthan the active minimum flow setpoint plus 596 ofthe configured nominal airflow In pressure dependent mode the air valve position is substituted for the primary airflow Parallel fan operation during calibration During calibration the parallel fan is in the same state ON or OFF as it was before calibration started It remains in that state until one minute after calibration ends One minute after calibration ends normal control of the parallel fan resumes The one minute period is ignored if reheat is active or if the parallel fan is overridden 73 e TRANE Sequence of Operations Fan Off Delay There is a 15 second fan OFF delay When reheat is turned OFF the controller turns the fan OFF 15 seconds later Ventilation Flow Control Ventilation flow control VFC is one of three supported control algorithms It is applied to a VAV
41. zone High Limit The controller adjusts the ventilation setpoint only when the CO2 concentration falls within the high and low limits When the CO2 concentration rises above the high limit this indicates that the zone is most likely at its maximum design occupancy and that a maximum of ventilation air is required to ventilate the zone Flow Setpoints Setup Minimum Airflow Although the VAV VV550 Controller will read flow down to 5 of cataloged the range of MIN FLOW settings is 0 or 10 to 100 of cataloged The VAV VV550 Controller will not drive its flow below this minimum flow value under normal operating conditions while in the cool mode Cool mode occurs when cool air is in the supply duct The entry in the Cooling Minimum field must be less than or equal to the entry in the Maximum field Maximum Airflow This range is 10 to 100 of the unit s cataloged CFM size Cooling and heating flow can be edited to zero The VAV VV550 Controller will not drive its flow above this maximum flow value under normal operating conditions while in the Cool mode Cool mode occurs when cool air is in the supply duct The entry for Maximum Flow must be greater than or equal to the entry in any of the Minimum fields Standby Minimum Airflow Occupied standby mode is used to reduce the heating and cooling demands during the occupied hours when the space is unoccupied It can be activated for a classroom currently not in use Standby Minimum is the minimum amo
42. 01A EN 67 e TRANE Sequence of Operations Occupancy Modes 68 VAV VV550 Controllers have four valid occupancy modes Occupied Unoccupied Occupied standby and Occupied Bypass Occupied Mode Occupied mode is the normal default operating mode for occupied spaces or daytime operation When the controller is in the occupied mode it uses occupied setpoints and runs in e Occupied temperature control e Ventilation flow control or space temperature control e Flow tracking control Unoccupied Mode Unoccupied mode also known as night setback is the normal operating mode for unoccupied spaces or nighttime operation Unoccupied setpoints enable or disable occupied space temperature control When the controller is in the unoccupied mode and configured for space temperature control the controller attempts to keep the space temperature between the active unoccupied heating setpoint and the active unoccupied cooling setpoint When the controller is in the unoccupied mode and configured for ventilation flow control it will not run in unoccupied mode the air valve is closed and local heat is disabled A flow tracking controller runs the same as when it is occupied When the controller is in the unoccupied mode and configured for flow tracking control it runs the same as it does in occupied mode Occupied Standby Mode Occupied standby mode is used to reduce the heating and cooling demands during the occupied hours when the
43. AL FUSE DISCONNECT SWITCH LOCATED IN HEATER lt CONTACTORS ARE 24 12 VA MERCURY CONTACTORS 10 VA MAX CDIL MAGNETIC CONTACTORS CX ZONE SENSOR TERMINALS 6 7 REOURE SHIELOED TWISTED PAIR WIRING FOR OPTIONAL USE OF COMMUNICATIONS JACK 181 1 182 6 T83 5 85 1 I 1 1 T81 2 182 5 21 181 2 1182 5 10rog od ret H 1 HL 6600000 110 7 6 32 1 1 DIGITAL DISPLAY ZONE SENSOR w COMM JACK REMOTE MTO 1 l Jes OPTIONAL FIELD INSTALLED DIGITAL DISPLAY ZONE SENSOR J DO ua 184 2 auc COMMON 184 1 Tga 2 2avac BK RETURN _ 181 2 1 X NOT d 290 l sto H MSTALED PAOPORDONAL WATER VALVE 1 WITH AQOTTIONAL OPTIONAL FELD INSTALLED 1 ON OFF WATER VALVE l a VAV SVP01A EN e Figure 61 Single duct with single phase voltage electric heat LINE VOLTAGE
44. Click the units you want to override In the list of overrides click the type of override you want to perform OF Bem M Click the Override button The controller automatically enters the service mode and exits the service mode 15 minutes after receiving an override Saving VAV Program Each VAV unit with a VAV VV550 Controller has been factory commissioned with a program that can be saved to your hard drive This can be used to save the original program for a backup in case unit needs to be put back to original specifications orto download into a VAV VV550 Controllerthat has like parameters that has been corrupted 1 Select the Configure button and the Configuration screen will appear VAV SVP01A EN 51 S TRANE VAV VV550 Controller Programming and Operation Figure 38 Configuration screen save as RoverComm4 Device 65 VAV TERMINAL UNIT UCM4 k fex Status Setpoints Setup Wireless Advanced Configuration 65 VAV TERMINAL UNIT H Configure Configuration Lj S Diagnostics Wireless Advanced Configuration Enter Service Made Reset Other Heating Setpoints Cooling Setpoints Active 7 5F Active 75 5F Calibrate 720 Occupied Occupied EMI 500 ees 550 Low Limit Low Limit High Limit 78 High Limit 80 Flow Outdoor Air Required Minimum Ex 29 Occupied OEE x Maximum 237 Unoccupied OEE MinHeating 2E x Saree Min
45. ECTROCUTION hazards To avoid these hazards you MUST follow requirements for field wiring installation and grounding as described in the National Electrical Codes NEC and your local state electrical codes All field wiring MUST be performed by qualified personnel Failure to follow these requirements could result in death or serious injury Notice Use Copper Conductors Only Unit terminals are not designed to accept other types of conductors Failure to use copper conductors could result in equipment damage Use at least 16 AWG for power wiring and connect to terminal TB1 1 and TB1 2 24VAC is required to power the VAV VV550 Controller and has an acceptable voltage tolerance of 18 to 32 VAC Refer to Figure 2 p 17 and Figure 3 p 18 for the VAV VV550 Controller terminal locations Replace the VAV VV550 Controller control box cover after field wiring to prevent any electromagnetic interference Note A dedicated 24VAC 50VA NEC class 2 transformer is recommended to power the VAV VV550 Controller When powering multiple VAV VV550 Controllers from one transformer polarity must be maintained Terminal TB1 1 is designated positive and terminal TB1 2 is negative to the unit casing ground The power consumption for cooling only Series F Models VariTrac and VariTrane is 12 VA 4 VA for the air valve actuator and 8 VA for the VV550 control board To determine the total VAV VV550 Controller power requirement add the power consump
46. Heat 37 Minimum flow for standby nciMinFlowStdby SNVT flow SCPTminFlowStby 56 Firmware major version nciDevMajVer 2 n a SCPTdevMajVer 165 Firmware minor version nciDevMinVer n a SCPTdevMinVer 166 Flow offset for tracking applications nciFlowOffset SNVT_flow_f SCPToffsetFlow 265 Local heating minimum air flow nciMinFlowUnitHt SNVT_flow SCPTminFlowUnitHeat 270 a Part of the node object VAV SVP01A EN 13 TRANE VAV Start Up Check Out Procedure Chapter Overview This chapter contains information about the following VV550 Pre Power Check Out Power Wiring Requirements Light Emitting Diode LED Operations Communication Wiring Space Temperature Controller Analog Inputs e Zone Sensor Wiring e Auxiliary Sensor Wiring Binary Input Wiring Binary Output Wiring Ventilation Flow Control Auxiliary Sensor Wiring Flow Tracking Control Wireless Zone Sensor VV550 Pre Power Check Out WARNING Live Electrical Components During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury 14 Check the supply voltage at TB1 Proper polarity must be mainta
47. Hot Water Reheat Stage 1 Electric Reheat Stage 2 Electric Reheat On Stage 3 Electric Reheat On Tool Mode Passive Network Services Ready FBO Auto commissioning Test Sequence The controller auto commissioning test sequence see Table 9 p 49 validates both the proper operation of all outputs and the capability to measure all inputs The purpose of the test sequence is to minimize the labor required to commission the unit in the field The auto commissioning test does not require a flow sensor or an auxiliary temperature sensor If there is no flow sensor the controller runs in pressure dependent mode An auxiliary temperature sensor in the discharge air stream is required for testing of the fan and the reheat The fan and the reheat are not tested if the discharge air temperature sensor is not present The fan is not tested if there is no fan Local reheat is tested if it is present Remote reheat is not tested The sequence starts on receipt of an auto commission command from the Rover service tool or the Tracer Summit BAS The auto commission command contains a time date stamp No third party tool can start the auto commissioning sequence The user then chooses to commission all VAV boxes or one VAV box The results of auto commissioning are contained in a structured network variable called reported auto commissioning report The controller places the time date stamp inthe report The structure
48. ITCH amp TRANSFORMER LOCATED IN HEATER 11 THREE STAGE NOT AVAILABLE WITH PULSE WIDTH MODULATION ZONE SENSOR TERMINALS 6 AND 7 REQUIRE SHIELDED TWISTED PAIR WIRING FOR OPTIONAL USE OF COMMUNICATIONS JACK VAV SVP01A EN so EH s OPTIONAL FELO INSTALLED ON OFF WATER VALVE 17 e TRANE VAV Start Up Check Out Procedure Figure 3 VV550 fan powered control diagram TO TRANSFORMER OPTIONAL FELO INSTALLED HEATER STAGE ELECTRIC HEATER LONTACTOR S TO FAN RELAY 1 182 6 THS 5 83 1 IT 2 1182 5 2 1 or agr ar d g 1 1 6666606 11107632 1 1 DO Ga eee l REMOTE MTO 1 GAG I 1 OPTIONAL FIELD INSTALLED DGTAL DISPLAY ZONE SENSOR _ gt adeo raz hearers ped ae Ek RETURN oia on 1 1 nor mem PRESSURE TRANSDUCER E 3 o n m a u e N 1 mi CONTROL BOX TWISTED PAIR COMMUNICATIONS WIRING FIELD INSTALLED wa lwn 1 FACTORY WIRING FIELO WIRING OPTIONAL OR ALTERNATE WIRING 2 1 4 QUICK CONNECT REQUIRED FOR ALL FIELD CONNECTIONS CX ZONE SENSOR TERMNALS 1 AND Z REQUIRE SHIELOED TWISTED PAIR WIRING FOR COMMUNICATIONS JACK EQUIPPED ZONE SENSOR OPTION CA NO ADDITIONAL WIRING REQUIRED FOR NICHT SETBACK OVERRIDE ON CANCEL lt THE OPTIONAL BINARY INPUT CONNECTS BETWEEN 164 1 AND 24VAC HOT FROM T
49. L BLOCK yoy a f gil ou sese 322 22 Es all el el cull el a g oO tnm mm E Fle HH PRESSURE TRANSDUCER TWISTED PAIR COMMUNICATIONS WIRING FIELD INSTALLED VV550 CONTROL BOX VAV SVP01A EN 113 e TRANE Troubleshooting Figure 66 ECM fan powered with three phase voltage electric heat FAN POWERED UNITS VV550 MOTOR HEATER TERMINALS TYPICAL OF THREE PHASE VOLTAGES SEE HEATER SCHEMATIC FOR ACTUAL WIRING 114 VAV SVP01A EN e TRANE Literature Order Number VAV SVP01A EN Date May 2010 Supersedes VAV SVP01A EN February 2010 www trane com For more information contact your local Trane T h li f d d d d r d he righ office or e mail us at comfort trane com rane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice
50. L BINARY INPUT CONNECTS BETWEEN TB4 1 AND 24VAC HOT FROM TRANSFORMER THE BINARY INPUT CAN GE RECONFIGURED AS AN OCCUPANCY INPUT VIA THE COMMUNICATIONS INTERFACE IF UNIT MOUNTED TRANFORMER IS NOT PROVIDED POLARITY FROM UNIT TO UNIT MUST BE MAINTAINEO TO PREVENT PERMANENT DAMAGE TO CONTROL BOARD IF ONE LEG 24vAC SUPPLY 15 GROUNDED THEN GROUND LEG MUST BE CONNECTED TO 181 2 CT CONTACTORS ARE 24 vac 12VA MAX COIL MERCURY CONTACTORS OVA MAX COIL MAGNETIC CONTACTORS OPTIONAL FUSE DISCONNECT SWITCH amp TRANSFORMER WIRING WIRING GOES THRU TO NEXT COMPONENT WHEN OPTIONS ARE NOT CHOSEN TRANSFORMER WIRE COLORS 120V W 208V R 240V 277V BR ABOV R BK 575V R 380 R 344 R 10 UNITS WITH ELECTRIC HEAT HAVE OPTIONAL FUSE DISCONNECT SWITCH amp TRANSFORMER LOCATED IN HEATER KTT ZONE SENSOR TERMINALS 6 AND 7 REQUIRE SHIELDED TWISTED PAIR WIRING FOR OPTIONAL USE OF COMMUNICATIONS JACK k eom _ 164 2 24VAC reise 018 0 BP IC_CONIACIY a4 2 2avac 181 2 GND or NOT CONNECTED OPTIONAL Fk DISCONNECT TRANSFORMER A WARNING HAZARDOUS VOLTAGE ISCI CT LL ELECTRIC R Lu Stee tens SERVICING INSURE THAT ALL HAVE DISCHARGED VOLTAGE UNITS WITH VARIABLE SPEED DRIVE REFER TO DRIVE INSTRUCTIONS FOR CAPACITOR DISCHARGE SIE T ANAVERTISSEMENT TENSION DANGEREUSE COUPER TOUTES LES TENSIONS ET ES SEt URS DISTANCE LE DES ENTR
51. N amp TRANSFORMER ET ve 1 Bia 1 gt g ifi 19 OPTIONAL POWER TRANSFORMER 50vA e OPTIONAL FELD INSTALLED OCCUPANCY SENSOR PRESSURE TRANSDUCER 1 182 5 Tas 2 1 1 CONTROL BOX BIAS Eg AX COIL XX ZONE SENSOR TERMINALS AND 2 REQUIRE SHIELDED TWISTED PAIR WIRING FOR COMMUNICATIONS JACK EQUIPPED ZONE SENSOR OPTION CA ADDITIONAL WIRING REQUIRED FOR NIGHT SETBACK OVERRIDE ON CANCEL lt THE OPTIONAL BINARY INPUT CONNECTS BETWEEN 784 1 GIP 24VAC HOT FROM TRANSFORMER OPTIONAL FIELD INSTALLED PROPORTIONAL WATER VALVE WITH ADOITIONAL OPTIONAL FELO INSTALLED THE BINARY INPUT CAN BE RECONFIGURED AS AN OCCUPANCY INPUT VIA THE COMMUNICATIONS INTERFACE a lt IF UNIT MOUNTED TRANFORMER IS NOT PROVIDED POLARITY FROM UNIT TO UNIT MUST BE MAINTAINED TO PREVENT PERMANENT DAMAGE TO CONTROL BOARD IF ONE LEG OF 24VAC SUPPLY IS GROUNDED THEN GROUND LEG MUST BE CONNECTED TO TB1 2 CX CONTACTORS ARE 24 VAC 12VA MAX COIL MERCURY CONTACTORS 10VA MAX COIL MAGNETIC CONTACTORS OPTIONAL FUSE DISCONNECT SWITCH TRANSFORMER WIRING COOLING ONLY OR HOT WATER UNITS WIRING GOES THRU TO NEXT COMPONENT WHEN OPTIONS ARE NOT CHOSEN lt E TRANSFORMER WIRE COLORS 120v w 208V 240V O 277V BR 480V R BK 575v R 190 R 220V R 347V R conan Se ee T UNITS WITH ELECTRIC HEAT HAVE OPTIONAL FUSE DISCONNECT SW
52. New Job Click this option then click the Create New Job button to create a new job Open Existing Job Click this option select a job from the list then click the Open Job button to open an existing job Delete Existing Job Click this option select a job from the list then click the Delete Job button to delete a job Select Job to Open Shows a list of existing jobs Use this list to select an existing job to open or delete Create New Job Open Job Delete Job button This button changes depending on the option you select at the top of the screen After selecting an option click this button to perform the task Exit button Click Exit to close the Air and Water Balancing tool VAV SVP01A EN Job tab VAV SVP01A EN e TRANE Air and Water Balancing Figure 52 Create new job screen Create New Job Job Setup Enter job name and information for report header Job Name Required Address1 Address2 City State Zip Code Project Number Description Technician Date 11 18 2008 Select Job Units International System nch Pound Use this tab to modify the open job Note A job contains all the controllers on a single Comm5 link You can open only one job at a time If you have more than one Comm5 link at a site use different job names for each link Job Name The name of the currently open job You cannot change this name on the Job tab Address 1 and 2 Type the street addre
53. OL BOX TWISTED PAIR COMMUNICATIONS WIRING FIELD INSTALLED vv550 CONTROL BOX VAV SVP01A EN 111 e TRANE Troubleshooting Figure 64 SCR PSC fan powered with three phase voltage electric heat FAN POWERED UNITS VV550 HEATER TERMINALS TYPICAL OF THREE PHASE VOLTAGES SEE HEATER SCHEMATIC FOR ACTUAL WIRING B 4 6606606 2 WIRING FELO INSTALLED 112 VAV SVP01A EN e TRANE Troubleshooting Figure 65 ECM fan powered with single phase voltage electric heat FAN POWERED UNITS VV550 ECM MOTOR LINE VOLTAGE L1 L2 N 208 240 480 SEE NAMEPLATE L1 N 277 347 HEATER TERMINALS TYPICAL OF SINGLE PHASE VOLTAGES CONTACTOR 1ST STAGE MANUAL CUTOUT G
54. RANSFORMER THE BINARY INPUT CAN BE RECONFIGURED AS AN OCCUPANCY INPUT VIA THE COMMUNICATIONS INTERFACE CE TRANSFORMER PROVIDED IN ALL UNITS UNITS WITH ELECTRIC HEAT HAVE OPTIONAL FUSE DISCONNECT SWITCH LOCATED IN HEATER lt CONTACTORS ARE 24 12 VA MERCURY CONTACTORS 10 VA MAX CDIL MAGNETIC CONTACTORS ZONE SENSOR TERMINALS 7 REQUIRE SHIELDED TWISTED PAIR WIRING FOR OPTIONAL USE OF COMMUNICATIONS JACK VAV SVP01A EN e TRANE VAV Start Up Check Out Procedure Communication Wiring VAV SVP01A EN N WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury WARNING Electrocution and Fire Hazards with Improperly Installed and Grounded Field Wiring Improperly installed and grounded field wiring poses FIRE amp ELECTROCUTION hazards To avoid these hazards you MUST follow requirements for field wiring installation and grounding as described in the National Electrical Codes NEC and your local state electrical codes All field wiring MUST be performed by qualified personnel Failure to follow these requirements could result in death or serious injury Communication Link Wiring e Use 22 AWG Level 4 unshielded communication wire for most Comm5 installations e Limit
55. SINGLE DUCT UNITS VV550 pen HEATER TERMINALS TYPICAL OF SINGLE PHASE VOLTAGES L L2N 480 L1 N 277 347 L1 N T CONTACTOR 1ST STAGE MANUAL 4 CUTOUT OPTIONAL HUN G FUSE STAGES SINGLE PHASE m LINE VOLTAGES VY 1 T 4 1 diis 4 OPTIONAL 2 208 FUSE 240 cx zi a 277 1 CONTACTOR L i 2ND STAGE 480 OPTIONAL TRANSFORMER HEAT CONTACTORS 17 a 1 TOI MAGNETIC CONTACTORS MAGN s 24 MERCURY CONTACTORS MERC 1 CONTACTOR 3RD STAGE ETE pA 1 T OPTIONAL AUTO RESET oN i AIRFLOW THERMAL 6 1 SWITCH CUTOUT 1 1 BL 1 nur NE 1 oo R OPTIONAL T826 TB3 1 V DISCONNECT 7825 2 o SWITCH oa TE a0 1 a aoe HEC 1 1 T J OO HEATER TERMINAL BOX pawis 2 4 l ZONE SENSOR WI COMM JACK 1 REMOTE MTD 1 OPTIONAL FIELD 1 INSTALLED ZONE SENSOR j DAMPER Gp nter eom ACTUATOR TB 3 TBS WIRING e12 25 1 2 2 f 1 pb or og f a a i 1 1 ooo f 11 7 6 3 2 1 i DIGITAL DISPLAY ZONE SENSOR I WI COMM JACK M 1 REMOTE MTD 5 1 1 5 1 y OPTIONAL FIELD INSTALLED 3 gl L DIGITAL DISPLAY ZONE SENSOR E LE soe pt zl zi 2 gi pi B n LACTUATOR BL ux sare 22000 INSTALLED Y WIRELESS 1 1 1 1 SJ 1 2AVAC BL 1 aoe Sept
56. Setpoint Locking and Unlocking Settings You can lock or unlock the setpoint system or fan setting to prevent changes To lock or unlock the settings 1 Verify that the sensor is in operating mode and at the home screen 2 Choose a setting to lock or unlock Select the setpoint by pressing the up or down arrow Figure 26 Setpoint 47 Vic Setpoint Select the system menu by pressing the center button Use the left or right arrow to choose the setting Figure 27 System menu System menu From the system menu press the down arrow to select the fan menu use the left or right arrow to choose the setting 40 VAV SVP01A EN e TRANE VAV Start Up Check Out Procedure Note Fan on VAV units cannot be controlled from the zone sensor Figure 28 Fan menu Fan menu 3 Press the left and right arrows for 4 seconds Figure 29 Arrows If you try to access a feature that is locked the lock symbol will appear on the displays If you press a keypad button to try and change a locked setting the locked symbol will flash VAV SVP01A EN 41 TRANE VAV VV550 Controller Programming and Operation Chapter Overview This chapter contains information about the following e Accessing Rover Commb LonTalk e VV550 Controller Device Home Tabs At a Glance e Entering and Exiting the Service Mode e Overriding VAVs e Saving VAV Program e VV550 Controller Device Home Tabs Instructions Accessing Rover Comm5 LonT
57. TRANE VAV VV550 LonTalk Controller May 2010 VAV SVP01A EN TRANE Warnings Cautions and Notices Warnings Cautions and Notices Note that warnings cautions and notices appear at appropriate intervals throughout this manual Warnings are provided to alert installing contractors to potential hazards that could result in personal injury or death Cautions are designed to alert personnel to hazardous situations that could result in personal injury while notices indicate a situation that could result in equipment or property damage only accidents Your personal safety and the proper operation of this machine depend upon the strict observance of these precautions ATTENTION Warnings Cautions and Notices appear at appropriate sections throughout this literature Read these carefully WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury CAUTION Indicates a potentially hazardous situation which if not avoided could result in minor or moderate injury It could also be used to alert against unsafe practices NOTICE Indicates a situation that could result in equipment or property damage only accidents N WARNING This equipment is to be serviced installed by qualified personnel ONLY Under NO circumstances should an unqualified person service install it Servicing installing this equipment is a job requiring specific knowledge and MUST be left to a profess
58. Temporary Heat Construction Mode Upon reset and power up if the controller does not detect a valid space temperature the controller will provide temporary heat by driving the air valve to the heating maximum position Of course the box will only provide heat if hot air is being provided by the air handling unit Local versus Remote Reheat Flexibility The controller can be configured to have local and or remote heat Plus configuration flexibility is offered that allows the installer to select whether local or remote heat has priority Zone Sensor Air Balancing When applied with a Trane zone sensor module that includes a setpoint thumbwheel and ON and CANCEL buttons the controller offers a zone sensor air balancing feature This feature allows the balancing contractor to drive the box to either its minimum or maximum flow setting by turning the setpoint thumbwheel on the zone sensor module Then the balancing contractor can calibrate the flow reading by pressing the ON adjusts the reading upwards or CANCEL adjusts the reading downwards buttons on the zone sensor module VAV SVP01A EN e TRANE General Information Flash Download The VAV controller has been designed with flash memory This allows us the option of upgrading the controller in the field features corrections to defects without changing out the controller Air Water Balancing Application An air water balancing application is available in Rover that simplifies
59. The example shows a display that has been configured for e Dual setpoint e Temperature units Fahrenheit e Temperature resolution to tenths of a degree e System settings Heat Cool Off e Fan Settings Auto and On e Occupied unoccupied option enabled To return the display to operating mode press the configuration button See Step 1 Note The sensor will revert to operating mode if no buttons are pressed for 10 minutes The following example shows a configured display in operating mode Figure 23 Display Display shows the following e Temperature units Fahrenheit e Temperature resolution to tenths of a degree e System setting Cooling e Fan Setting Auto e Occupied Unoccupied option enabled If an error exists it appears at the bottom of the display between the occupancy symbols as shown in below SeeTable 20 p 92 for error code definitions t1 Eg t Figure 24 Error message VAV SVP01A EN 39 e TRANE VAV Start Up Check Out Procedure Optional Features Displaying Setpoint or Temperature You can configure the sensor to display either the temperature default or setpoint To select either option 1 Verify that the sensor is in operating mode and at the home screen 2 Press the up and down arrows for 3 seconds The arrow indicates setpoint display as shown in the illustration Figure 25 Setpoint or temperature display og Arrow BH indicates setpoint is shown on display Temperature
60. V Start Up Check Out Procedure Wiring requirements The recommended Comm5 communication link wiring is 22 AWG Level 4 twisted pair wire See Table 5 p 20 Specifications for Level 4 compliant cables The wire can be either shielded or unshielded However unshielded wire is recommended for most installations The maximum wire length for Comm5 communication links is 4 500 ft 1 400 m Comm5 communication link wiring must be installed in a daisy chain configuration Figure 4 p 21 and Figure 5 p 22 Table 5 Cable specifications Specification Value dc resistance Maximum resistance of a single copper conductor regardless of whether or not it is solid or stranded and regardless 18 0 0 1 000 ft 20 C of whether or not it is metal coated dc resistance unbalance maximum 5 Mutual capacitance of a pair maximum 17 pF foot Pair to ground unbalance maximum 1 000 pF foot 1 000 ft Characteristic impedence 772 kHz 102 15 1 0 MHz 100 15 4 0 MHz 100 Q 15 8 0 MHz 100 15 10 0 MHz 100 15 16 0 MHz 100 15 20 0 MHz 100 15 Attenuation maximum dB 1 000 ft at 20 772 kHz 4 5 dB 1 000 ft at 20 C 1 0 MHz 5 5 dB 1 000 ft at 20 C 4 0 MHz 11 0 dB 1 000 ft at 20 C 8 0 MHz 15 0 dB 1 000 ft at 20 C 10 0 MHz 17 0 dB 1 000 ft at 20 C Worst pair near end crosstalk minimum 772 kHz 58 dB Values shown are for information only The mi
61. WISTED PAIR WIRING FOR COMMUNICATIONS JACK EQUIPPED ZONE SENSOR OPTION E NO ADDITIONAL WIRING REQUIRED FOR NIGHT SETBACK OVERRIDE ON CANCEL lt THE OPTIONAL BINARY INPUT CONNECTS BETWEEN 4 1 AND 24VAC HOT FROM TRANSFORMER LA VAV SVP01A EN THE BINARY INPUT CAN BE RECONFIGURED AS AN OCCUPANCY INPUT VIA THE COMMUNICATIONS INTERFACE IF UNIT MOUNTED TRANFORMER IS NOT PROVIDED POLARITY FROM UNIT TO UNIT MUST BE MAINTAINED TO PREVENT PERMANENT DAMAGE TO CONTROL BOARD IF ONE LEG OF 24VAC SUPPLY IS GROUNDED THEN GROUND LEG MUST CONNECTED TO 181 2 CONTACTORS ARE 24 2VA MAX COIL MERCURY CONTACTORS OVA MAX COIL MAGNETIC CONTACTORS OPTIONAL FUSE DISCONNECT SWITCH amp TRANSFORMER WIRING COOLING ONLY OR HOT WATER UNITS WIRING GOES THRU TO NEXT COMPONENT WHEN OPTIONS ARE NOT CHOSEN TRANSFORMER WIRE COLORS 120v 20BV R 240V 277V 4BOV R BK 575V 190V R 220V 34W UNITS WITH ELECTRIC HEAT HAVE OPTIONAL FUSE DISCONNECT SWITCH amp TRANSFORMER LOCATED IN HEATER THREE STAGE NOT AVAILABLE WITH PULSE WIDTH MODULATION ZONE SENSOR TERMINALS AND 7 REQUIRE SHIELDED TWISTED PAIR WIRING FOR OPTIONAL USE OF COMMUNICATIONS JACK 1 1 182 6 183 3 185 1 1 1 1 1181 2 1722 5 1764 2 10d og gd dg 1 6660000 2 DIGITAL Mg oin ZUNE SENSOR REMOTE io OPTIONAL FIELD INSTALLED DIGITAL DISPLAY
62. al hardwired occupancy binary input Note This setpoint allows inactive spaces in the occupied mode to float to a more energy saving setpoint until occupancy mode deems it necessary to use another setpoint as its active setpoint Occupied Cooling Set points have a range of 30 0 100 0 F 1 1 37 8 C If a zone sensor thumbwheel set point is not being used this set point will be used as the VAV VV550 Controller s active cooling set point during occupied times The cooling set point must be greater than or equal to the heating set point plus 2 0 F 1 1 C Note Occupied cooling and heating set points must be set within the cooling set point high limit and the heating set point low limit in order to control to the proper setpoints Occupied Heating Set points have a range of 30 0 100 0 F 1 1 37 8 C If a zone sensor thumbwheel set point is not being used this set point will be used as the VAV VV550 Controller s active heating set point during occupied times The cooling set point must be greater than or equal to the heating set point plus 2 0 F 1 1 C Note Occupied cooling and heating set points must be set within the cooling set point high limit and the heating set point low limit in order to control to the proper setpoints Occupied Standby Heating Based on the controller occupancy mode the active space heating setpoint is the occupied stand by heating setpoint The controller can be placed in the occupied sta
63. alk Rover Overview Rover is a service tool that allows parameters to be viewed or adjusted in the VAV VV550 Controller The operating and programming guide for Rover is EMTX SVX01 EN Rover Comm5 is a software application for monitoring configuring balancing binding and testing VAV VV550 Controllers on Comm 5 links Note For Instructions on how to use Hover Comm5 refer to the Rover Comm5 online Help by clicking Contents and Index on the Help menu Laptop Requirements and Complete Connection Instructions For instructions on connecting a PC laptop to a Commb link refer to the Installing Rover Service Tool Version 5 0 3270 3275 Note A hard copy of this document is in the Rover package and an electronic copy Installation pdf can be found on the Rover installation CD ROM To connect to a Commb Link 1 Insert the Comm5 card in the PC laptop 2 Connectthe cables as shown in the appropriate figure Refer toFigure 30 p 42 for connecting to controller through a zone sensor and Figure 31 p 43 for Connecting to a Commb5 controller using alligator clips Note Make sure to maintain polarity Figure 30 Connecting to a Comm5 controller through a zone sensor 42 Rover Service tool Comm5 PCMCIA card Adapter cable m VAV SVP01A EN VAV SVP01A EN e TRANE VAV VV550 Controller Programming and Operation Figure 31 Connecting to a Comm5 controller using alligator clips Rover
64. and Operation Figure 37 General tab Group Device View Took Help Tracer VV550 Device Tracer VV551 n Unit Outputs Ventilation Commissioning f General Name Location ID Tracer 551 Neuron ID 00 15 28 90 52 00 Device State Mode Configued Oniine Manufacturer ID Trane Software Revision Self Documentation String Tracer VV550 851 VAV Controller Tool Passive Network Services Ready FBO 2 0 UU Name Location ID VAV controller name Neuron ID Each VAV VV550 Controller will have an Echelon chip that has a distinctive identification number called a neuron ID This replaces the addressing that was done with dip switches on a DDC Comm 4 VAV UCM 4 2 controller Device State Mode This point indicates if Rover is communicating with controller The two states are Configured On line or Not Communicating Manufacturer ID Trane will be the manufacture displayed for the VV550 controller Software Revision This is the controller revision programs that has been downloaded into this controller Note lf unit is not operating properly it could be a software issue and technical support will need the revision number Self Documentation String Indicates Tracer VV550 551 VAV controller 50 VAV SVP01A EN S TRANE VAV VV550 Controller Programming and Operation Entering and Exiting the Service Mode Controllers must be online and in the service mode to receive an override The service mode disables control fro
65. and refers to the 227 minimum difference g between the heating and 8 cooling setpoints heat cool setpoint offset 1 8 F 10 8 F 1 C 6 C 0 8 System a Single setpoint g Ed OFF emergency heat heat cool off no system options enabled 3 ozo 0 heat cool heat cool off auto off B LJ i GD auto off VAV SVP01A EN 37 e TRANE VAV Start Up Check Out Procedure Setting Configuration options System continued b Dual setpoint AUTO OFF emergency heat heat cool auto off CREO heat cool auto off aS 10 OFF 0 emergency heat heat cool off c No setpoint no system options enabled NB Fan Note Fan control not available 8 8 g on VAV units t o a gt gt 6 BS 6 BE UT gt auto off auto off auto off low auto high on low high med high b B 9 lt off high off low high off low no fan options med high enabled Occupancy timed override 1 tW occupancy enabled occupancy disabled x s 38 VAV SVP01A EN e TRANE VAV Start Up Check Out Procedure 4 Review the display to ensure that you have selected the correct configuration options Figure 22 Configuration options
66. andling live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury If PSC Variable speed motor control is not changing speed of the motor inspect the following e Wires connected improperly 101 e TRANE Troubleshooting 102 e Check wiring to make sure speed control is wired correctly See Figure 63 p 111 to Figure 64 p 112 for wiring schematic Check voltage selection switch on side of Variable speed motor control e Should be set for motor voltage To check speed control Turn voltage selection switch fully CCW Turn Motor speed control potentiometer fully CCW Motor should remain off Turn voltage selection switch fully CW e Motor speed control potentiometer still fully CCW Measure motor voltage Should be no more than 8VAC lower than line voltage With voltage selection switch still fully CW Turn Motor speed control potentiometer slowly fully CW HI e Should go to full speed smoothly If it fails any of these tests replace PSC motor speed controller Testing ECM DCU and ECM VCU Fan Control WARNING Live Electrical Components During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical component
67. arms nviRequest SNVT_obj_request diagnostics Air flow setpoint input nviAirFlowSetpt SNVT flow Ventilation ratio limit nviVentRatioLim SNVT lev percent Ventilation for the zone input nviVentSetpt SNVT flow a Part of the node object 12 VAV SVP01A EN Table 2 Configuration properties e TRANE General Information Configuration property description Configuration property SNVT type SCPT reference Send heartbeat nciSndHrtBt SNVT_time_sec SCPTmaxSendTime 49 Occ temperature setpoints nciSetpoints SNVT_temp_setpt SCPTsetPnts 60 Minimum send time nciMinOutTm SNVT_time_sec SCPTminSendTime 52 Receive heartbeat nciRecHrtBt SNVT_time_sec SCPTmaxRcvTime 48 Location label nciLocation SNVT_str_asc SCPTlocation 17 Local bypass time nciBypassTime SNVT_time_min SCPTbypassTime 34 Manual override time nciManualTime SNVT_time_min SCPTmanOverTime 35 Space CO2 limit nciSpaceCO2Lim SNVT_ppm SCPTlimitCO2 42 Nominal air flow nciNomFlow SNVT_flow SCPTnomAirFlow 57 Air flow measurement gain nciFlowGain SNVT multiplier SCPTsensConstVAV 67 inimum air flow nciMinFlow SNVT flow SCPTminFlow 54 aximum air flow nciMaxFlow SNVT flow SCPTmaxFlow 51 inimum air flow for heat nciMinFlowHeat SNVT flow SCPTminFlowHeat 55 aximum air flow for heat nciMaxFlowHeat SNVT flow SCPTmaxFlow
68. art ch ABD Some of the items reported are listed to aid in understanding current operation Reported items are 1 Timed Override Exists 2 Cancel Timed Override 3 Auxiliary Temperature Sensor Not Present 4 Unoccupied Request from Zone Sensor Function 5 Max Flow Request from Zone Sensor Function 6 Calibration in Progress and 7 Pressure Dependent Operation Figure 54 Items reported RoverComm4 Device 66 VAV TERMINAL UNIT UCM4 e x 9 4 GA T x z a Status Setponnts Setup Wireless Advanced Configuration nr E 65 VAV TERMINAL UNIT L Unit info Auli Input GET Other Unit Type VariTrane F Round Temp Software Revision 42 Vole OF Active Heating ALANI 84 VAV SVP01A EN TRANE Troubleshooting Diagnostic Table Table 16 p 85 shows the VAV VV550 551 Controller diagnostics Table 16 Controller diagnostics Diagnostic Air valve Fan Reheat Invalid unit configuration a 0 VDC 0 VDC 0 VDC Controller failure Closed off off Discharge air temperature failure space temperature control Normal Normal Normal Discharge air temperature failure ventilation flow control without Normal Don t care Don t care reheat Discharge air temperature failure ventilation flow control with Closed Don t care Off reheat Discharge air temperature failure flow tracking control Normal Don t care Don t care Low airflow space temperature control Nor
69. ce LED Activity Description LED is Off continuously after power is applied to the Normal operation controller LED is On continuously even when power is first applied to Someone is pressing the Service push button or the the controller controller failed Uninstalled normal controller mode Use the Rover service tool to restore the unit to normal operation Refer to the Rover product literature for more information LED flashes approximately once every two seconds Service Push Button Important f the Service button is held down for more than 15 seconds the controller will uninstall itself from the Comm5 network The red service LED flashing approximately once every two seconds indicates this mode see Red service LED above Use the Rover service tool to restore the unit to normal operation Refer the Rover product literature for more information The Service push button can be used as one of several methods to install the controller in a communication network Refer to the Rover service tool product literature for more information Green Status LED The green status LED is typically used to indicate whether or not the controller is powered On 24VAC This is the only LED under direct software control The green status LED is Off when you press the Test button The green status LED blinks during manual output testing Table 18 p 87 shows and describes the green status LED activity VAV SVP01A EN TRANE
70. check box is available only for hot water on off control Test Tab Figure 47 Test tab Rover Tracer VV551 Configuration File Configuration Device r Manual Output Test Output Output Output Output Output Air Valve Close es Air Valve Open Ms None or Electric Heat None or Electric Heat None or Electric Heat Closed Cancel Use the Test tab to exercise the binary outputs and verify that they are working correctly To perform a manual output test 1 Click the Start button 2 Click the Next Step button repeatedly to step through the test 3 Click the Cancel button to stop the test 64 VAV SVP01A EN Other Tab Figure 48 Other tab VAV SVP01A EN S TRANE VAV VV550 Controller Device Home Tabs Instructions Rover Tracer VV551 Configuration File Configuration Device Setpoints Unit Setup Inputs Outputs Test Other Configuration Data Calibration Timers Space Temperature Sensor Manual Override Time 600 min Effective Value Invalid F Occupied Bypass Timer 120 min Offset 0 0 F mea Power up Control Wait 300 sec Hardwired Setpoint Effective Value Invalid F Offset 0 0 F Stroke Times Primary Air Valve 90 0 sec Water Valve 90 sec Save Download Close Help Device Name Tracer VV551 In Rover the Other Tab can be changed by selecting the Configure button Following are descriptions of each line on the Other tab Use this tab to calibrate se
71. cupied OEE x MinHeating 2E 57 Um Min LocalHeat 47 EE x 122 Heat Offset 1 Fan Control Setpoint 14 EE 36CFM _ Control Offset O08 w a Bim 221 2 18 2 Click the File menu and click Open 3 The Open dialog box will appear Select the file you wish to open and click the Open button 4 Download to DDC VAV controller 5 Program is now in controller Figure 41 Open dialogue box Lookin A e Demo tsi ucm3 vav vav 68 vav Device 8 vavi vav 69 vav Devicel 8 vay 1 14 vav vav 70 vav ucm 8 vav 1 15 vav vav 71 vav ucmi B VAY 6 VAV 10 vay ucm2 8 vav 67 vav VAY program Device File name VAV B5 vav Files of type 53 TRANE VAV VV550 Controller Device Home Tabs Instructions Chapter Overview This chapter contains information about the following e Setpoints Tab e Unit Tab Setup Tab e Inputs Tab e Outputs Tab e Test Tab e Other Tab Configuration To access the data fields for each tab and to make adjustments select the Configure button To make adjustments find the correct parameter change it and download to VV550 Setpoints Tab Figure 42 Setpoints tab 54 Rover Tracer VV551 Configuration File Configuration Device Setpoints Unit Setup Inputs Outputs Test Other Setpoints Default Setpoints Setpoint Limits Unoccupied Cooling 85 0 F Cooling Setpoint High Limit
72. cupied Bypass Timer Type the amount of time that the controller remains in the occupied bypass mode If the controller is in the unoccupied mode and an occupant presses the On button at the zone sensor the controller goes into occupied bypass mode for this amount of time Power up Control Wait Type the number of seconds you want the controller to wait after startup before starting normal operation When power up control wait is enabled whenever a time is entered here the controller remains off until one of two conditions occurs e Controller receives communicated information on the CommS link e Power up control wait time expires Note If auto calibration is enabled the controller will calibrate during power up control wait Overrides Figure 49 Overrides Rover Tracer VV551 Overrides Override Air Valve x Air Valve Fan Control Drive Open C Drive Closed C Drive Min Cooling Flow Setpoint C Drive Max Cooling Flow Setpoint C Drive Percent of Max Cooling Flow Setpoint Override Close Help To access the data fields for each tab and to make adjustments select the Overrides button In the Override list select the valve or fan you want to override The types of overrides you can perform change based on your selection Change Override Inthe Change Override area select the type of override you want to perform then click the Override button Override button Click this button to start the override Re
73. d will be LonMark certified VV550 controller allows VAV units to communicate on a Trane Comm5 or LonTalk link This controller works in standalone mode peer to peer with one or more other units or when connected to a Trane Tracer Summit or a 3rd party building automation system that supports LonTalk The Space Comfort Controller SCC is the profile assigned to the VV550 controller VAV VV550 Controller Outputs VAV VV550 Controller Triac outputs for controlling a fan or reheat are rated at 12 VA each Wiring Diagram Figure 2 p 17 shows a typical wiring diagram for the redesigned VAV VV550 hardware The new service part number is BRD2960 VAV SVP01A EN e TRANE General Information Figure 1 VV550 board layout VAV VV550 controller and VAV 4 2 controller comparisons VAV VV550 VAV 4 2 Supports Comm5 Supports only Comm4 or Comm3 VariTrac or VariTrane No local CO2 sensor input Uses only a communicated value Local CO2 sensor input is available Single star initiates cool minimum airflow override Single star initiates maximum flow override after pressing the ON button Override is held until you move the thumbwheel Double star initiates cool maximum airflow override Double star initiates unoccupied override after pressing the ON button Override is held until you move the thumbwheel Does not support VariTrac central control panel CCP2 and CCP3 Does not support Var
74. e by disconnecting the wires on the VAV VV550 Controller on terminals TB3 5 and TB3 6 for Discharge air temperature sensor or for supply air temperature sensor and measure the VDC It should be 5VDC If you have 5VDC at the VV550 the wires going to the auxiliary sensor have an open If 5VDC is not present check incoming power to the VV550 board on TB1 1 24VAC input and TB1 2 Voltage should measure 24VAC 10 If you measure the proper voltage at TB1 1 24VAC input and TB1 2 and no voltage at TB3 5 and TB3 6 for Discharge air temperature sensor or TB3 5 and TB3 6 for Supply air temperature sensor Replace the VV550 VAV Damper Failure Procedures ZAWARNING Hazardous Service Procedures The maintenance and troubleshooting procedures recommended in this section of the manual could result in exposure to electrical mechanical or other potential safety hazards When possible disconnect all electrical power including remote disconnect and discharge all energy storing devices such as capacitors before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized When necessary to work with live electrical components have a qualified licensed electrician or other individual who has been trained in handling live electrical components perform these tasks Failure to follow all of the recommended safety warnings provided could result in death or serious injury In the event that the air valve is not modulating p
75. e in one direction the controller drives the air valve to the minimum cooling flow setpoint Similarly turning the thumbwheel to the and end of range in the other direction the controller drives the air valve to the maximum cooling flow setpoint VV550 Features VAV SVP01A EN Auto commissioning Report Tracer Summit Tracer Summit v15 and greater includes an auto commissioning report that extracts and formats the commissioning data for each VAV controller This commissioning report is valuable both for the installer and for the owner The feature enables the system to be commissioned by exception a benefit for the installer The feature also can be used as validation valuable to the owner Simpler VAS Tracer Summit v15 includes a new VAV Air System VAS specifically designed for Comm5 controllers This new VAS was designed to be much simpler to understand and setup compared to the existing Comm3 4 VAS Static Pressure Optimization As a part ofthe standard application VAS calculates the duct static pressure setpoint based on the most open VAV box Until Tracer Summit v15 this feature was provided by way of field custom programming Ventilation Optimization As a part of the standard application the VAV system has the ability to calculate the ventilation setpoint for the air handling unit In addition the VV550 controller has a ventilation ratio limit feature that automatically increases airflow to maintain the requir
76. e space active setpoint value that it is using Airflow The airflow measured by the airflow sensor in the VAV box Setpoint Limits After the controller completes all setpoint calculations the calculated occupied setpoint is validated against the following configured space setpoint limits e Cooling Setpoint High Limit e Cooling Setpoint Low Limit e Heating Setpoint High Limit 55 S TRANE VAV VV550 Controller Device Home Tabs Instructions 56 e Heating Setpoint Low Limit These setpoint limits apply only to the occupied and occupied standby heating and cooling setpoints They do not apply to the unoccupied heating and cooling setpoints When the controller is in the unoccupied mode it always uses the unoccupied heating and cooling setpoints Unit configuration enables or disables the local hardwired setpoint This parameter provides additional flexibility to allow you to apply communicated hardwired or default setpoints without making physical changes to the unit Similar to hardwired setpoints the effective setpoint value for a communicated setpoint is determined based on the stored default setpoints configuration values and the controller occupancy mode Freeze Avoidance Outdoor Air Low Limit Units with hot water coils installed are susceptible to freezing Measures must be taken to prevent the water coils from freezing Freeze protection occurs only when the controller is in the Off state or during the unoccupied p
77. eases the pressure in the zone and a negative offset increases the pressure in the zone A positive number decreases the pressure because the flow tracking VAV box is removing air from the space Note See Operation section for an explanation of flow tracking control If the flow sensor fails the controller will control to the minimum flow setpoint if the flow tracking offset is negative and to the maximum flow setpoint if the tracking offset is positive Flow Offset The flow offset is used to calibrate the value reported by the flow sensor so that the reported flow matches the actual flow The flow offset is determined during the air balancing process A testing adjusting and balancing professional will use the Rover Air and Water 59 S TRANE VAV VV550 Controller Device Home Tabs Instructions 60 Balancing tool to calculate this value and balance the VAV box Normally you should not need to change this value here Note The flow offset is calculated only for two point balancing which requires reading both the maximum and minimum airflows during balancing Two point balancing ensure greater accuracy over the entire range of air valve operation Only controllers that support the Flow Measurement Offset network variable such as the VAV VV550 551 Controller can use two point balancing Flow Gain The flow gain is used to calibrate the value reported by the flow sensor so that the reported airflow matches the actual airflow The
78. ed ventilation while operating S TRANE General Information 10 within system limits for outside air percent concentrations in the supply air stream Until Tracer Summit v15 this feature was provided by way of field custom programming CO2 Based Demand Control Ventilation As a part of the standard application the VAV system has the ability to calculate the ventilation setpoint for the air handling unit based on the CO2 in one or more spaces Until Tracer Summit v15 this feature was provided by way of field custom programming Plus functionality was added to the VV550 controller to support this feature as standard Providing the equivalent functionality with the current VAV controller would require lots of custom programming Ventilation Flexibility Ventilation can be managed in the following ways e Fixed occupancy ventilation setpoint e Scheduled or otherwise calculated ventilation setpoint e Occupancy sensor to switch between normal and reduced ventilation e 2 sensor for demand controlled ventilation Note CO sensor input not available on VV550 Temperature Statistics As a part of the standard application VAS calculates the minimum space temperature and source maximum space temperature and source and the average space temperature Until Tracer Summit v15 this feature was provided by way of field custom programming VAV VV550 Controller Compatibility The VAV VV550 Controller is designed with LonWorks technology an
79. eft to right the order in which they are numbered S1 52 S3 e Zero is at the 9 o clock position 30 VAV SVP01A EN e TRANE VAV Start Up Check Out Procedure 3 Make a notation of the address and location of the sensor Factory Wiring of the Receiver to the VAV Unit Controller VAV SVP01A EN The required power for the receiver is 24VAC or 24 Vdc and is less than 1 VA The receiver is designed to be powered by the VAV VV550 Controller See Figure 12 p 31 Note A dedicated transformer is not necessary or advised Figure 12 Factory wiring of the receiver to the VAV VV550 controller T ioa Zim ho sia 2 02 OPTIONAL FIELD INSTALLED OPTIONAL FELO mu x Ormona ELO STALLED 24NAC 60HZ aeo vts weve NEC CLASS 2 CONTROL CIRCUIT LOAD 8 VA E lom PANNE Bein ACTUATOR WIRING PELO ON OFF WATER VALVE Gay aT 3 PRESSURE TRANSDUCER a E o N amp 5 7 OPTIONAL FACTORY INSTALLED TWISTED PAIR WIRELESS COMMUNICATIONS l WIRING FIELD INSTALLED FACTORY WIRING FIELD WIRING OPTIONAL OR ALTERNATE WIRING 2 1 4 QUICK CONNECT REQUIRED FOR ALL FIELD CONNECTIONS lt ZONE SENSOR TERMINALS 1 AND 2 REQUIRE TWISTED PAR WIRING FOR COMMUNICATIONS lt ADDITIONAL WIRING REQUIRED FOR NIGHT SETBACK OVERRIDE ON CANCEL lt E THE OPTIONA
80. emperature is higher or lower than what the VV550 reads e Check the location and installation of the zone sensor Change the calibration factor in the VAV VV550 Controller setup screens Note If Zone sensor is off more than 2 degrees continue to number 2 Zone sensor wired incorrectly Check wiring for the correct connections See VAV Startup Check out Procedure chapter for the wiring specifications for VV550 Defective zone sensor e Disconnectthe zone sensor terminal plug from the VV550 and using an Ohmmeter measure the resistance across the terminals 1 and 2 Compare the resistance to temperature using Table 19 p 90 The resistance should shown value should be within x 2 degrees near those measured with an accurate temperature measuring device If not the zone sensor needs to be replaced Defective wiring or VV550 e With wires still connected to VAV VV550 disconnect zone sensor wires and check voltage DC from wires that were connected to terminals 1 and 2 of zone sensor You should measure 5VDC If 5VDC not present then see if the VAV VV550 is outputting 5VDC This can be done by disconnecting the wires on the VAV VV550 on terminals TB3 1 and TB3 2 and measure the VDC It should be 5VDC If you have 5VDC at the VV550 the wires going to the zone have an open If 5VDC is not present check incoming power to the VV550 board on TB1 1 24VAC input and TB1 2 should measure 24VAC 10 If you measure the proper voltage at on TB1 1 24VAC
81. emperature sensed at discharge air temperature Closed no flow Discharge air temperature greater than configured outdoor air low limit Closed Discharge air temperature less than or equal to configured outdoor air low limit freeze protection active diagnostic with 10 F Open to 100 hysteresis a Place the discharge temperature sensor in close proximity to the hot water coil discharge The sensor effectively reports coil temperature when there is no airflow through the coil Therefore the coil can be freeze protected by the discharge air temperature sensor Flow Tracking 76 Flow Tracking Control Mode Flow tracking control FTC is one of three supported control algorithms Two VAV VV550 Controllers work together to provide flow tracking control See Figure 50 p 77 The space temperature controller outputs the airflow reported airflow The space temperature controller airflow output reported airflow is bound to the flow tracking controller airflow setpoint input communicated airflow setpoint The flow tracking controller adds the configured airflow tracking offset positive or negative to the airflow setpoint communicated airflow setpoint and controls the airflow to this setpoint The flow tracking controller does not require a space temperature sensor or a discharge air temperature sensor If the calculated airflow setpoint is less than 10 of the configured nominal airflow and the configured airflow tracking offset
82. ensor initiates a signal quality test LED1 LED2 and LED3 respond by indicating excellent marginal or poor signal quality The LEDs can be observed on both the sensor Table 26 p 95 and the receiver Table 27 p 95 VAV SVP01A EN VAV SVP01A EN TRANE Troubleshooting Table 26 Signal quality LED1 LED2 LED3 on the sensor User Action LED Display Indicates None LED1 Off Normal state LED2 Off No Test button press LED3 Off Press Test LED1 Off Associated no communication with receiver Button SS LED2 Off Associated but no signal from the receiver after LED3 Off pressing Test button LED1 On Excellence signal quality LED2 ON Adequate signal margin for reliable communication LED3 On g E g i Displays for 5 seconds then constantly off LED1 Off Marginal signal quality LED2 On Reduced battery life is likely LED3 On Consider moving the sensor or receiver to a better Displays for 5 seconds then constantly off location LED1 Off Poor signal quality LED2 Off Unreliable communication LED3 On Strongly recommend moving the sensor or receiver to Displays for 5 seconds then constantly off a better location Table 27 Signal quality LED1 LED2 LED3 on the receiver User Action LED Display Indicates None LED1 Off Normal state LED2 Off No Test button press LED3 Off LED1 On 1 Excellence signal quality LED2 On Adequate signal margin for reliable communicat
83. enu e Unit needs to be configured as 3 stage Electric heat Tracer Summit has the electric heat output disabled Check group global and or Tracer overrides to make sure they not inhibiting heat operation Minimum heating CFM is not being met airflow is too low e Increase the airflow or lower the minimum heating flow Heat relays have failed e If VAV VV550 is calling in the status menu for the electric heat and the light bulb is on for correct Binary output s for stage s of heat to be on and it is not on then check VV550 Triac output wiring and Relay output 103 e TRANE Troubleshooting e Check power output for correct binary output Should have 24VAC if it does not measure the power input to on TB1 1 24VAC input and TB1 2 of the VV550 board The supply voltage should be between 20 and 28 VAC 24VAC cataloged However voltages at either extreme may result in system instability e Heat Triac s can be checked with purchasing a 24VAC light bulb and see if it lights up on call for Heat stage VV550 If light bulb does not light up replace VV550 Notice Equipment Damage VAV VV550 Controller outputs are switched to ground Do not jumper 24VAC to Binary output Triacs because damage will occur Move electric heat relay wires from VV550 and apply 24VAC directly Note Make sure air is flowing across the elements Electric heat stage should energize If it does not check wiring safeties and electric heat contacto
84. eriod when the primary air valve is closed and the reheat is disabled During occupied operation the control algorithm indirectly provides freeze protection Note On Ventilation Flow control mode with hot water only Additional Fields Enable Thumbwheel Setpoints Unit configuration enables or disables the local hardwired setpoint This parameter provides additional flexibility to allow you to apply communicated hardwired or default setpoints without making physical changes to the unit If the thumbwheel is not enabled locally generated overrides maximum flow or minimum flow are not possible Enable Thumbwheel Star and Double Star Function Single star and double star airflow override capability can be disabled through configuration while leaving the thumbwheel local setpoint enabled Positioning the thumbwheel atthe single star generates an override to cooling minimum flow The override is enabled when the setpoint is greater than 88 F 31 11 C and disabled when the setpoint is less than 87 7 F 30 94 C Positioning the thumbwheel at the double star generates an override to cooling maximum flow The double star function is enabled when the setpoint is less than 48 5 F 9 17 C and disabled when the setpoint is greater than 50 F 10 C There is no effect on the fan and the reheat operation during the single star and double star thumbwheel airflow overrides When the single star and double star thumbwheel airflow overr
85. ers how much outdoor air is inthe primary air However the air handler may not be able to provide as much outdoor air as the system requires due for example to a low outdoor air temperature If the communicated ventilation ratio limit is not sufficient the controller can raise its minimum airflow setpoint as long as the space temperature remains under control Effective Ventilation Setpoint The Tracer Summit BAS uses the effective ventilation setpoint from all the VAV boxes to calculate how much outdoor air OA the system needs Active Minimum Airflow setpoint The active minimum airflow setpoint must be less than the active maximum airflow setpoint The active minimum airflow setpoint and the active maximum airflow setpoint are limited to 1 2 times the configured nominal airflow Minimum Airflow Setpoint Source The controller selects the active minimum flow setpoint based on the occupancy mode the use of reheat and the control mode 47 S TRANE VAV VV550 Controller Programming and Operation Commissioning Tab Figure 36 Commissioning tab Group Device view Tools Help Tracer VV550 Device Tracer VV551 Unit Outputs Ventilation Commissioni Start Cancel Audocommissioning Resuks Autocommessioning State Autocommissioning Time Stamp Valve Position at 40 Maximum Flow Valve Position at 100 Maximum Flow Discharge Air Temperatures Local Fan Off Valve at Cool Max Flow Local Fan On Valve Closed Reheat Off
86. ess 1 Using a small screwdriver set the three rotary address switches locations S1 S2 S3 on the receiver Figure 11 p 30 to an address between 001 and 999 Note Do notuse 000 as an address for installation Ifyou set the receiver address to 000 it will Return the receiver outputs to their factory defaults indefinitely zone temperature and setpoint outputs 72 5 F 22 5 C Remove all association knowledge Make the receiver unable to associate with a sensor Read the switches from left to right in the order in which they are numbered S1 S2 S3 e Zero is at the nine o clock position 2 Make a notation of the address and location of the receiver Setting the Sensor Address 1 Using a small screwdriver set the three rotary address switches locations S1 S2 S3 on the sensor Figure 11 p 30 to the same address used for the receiver it is to be associated with 2 Make a notation of the address and location where this sensor is to be mounted Note Do not use 000 as an adaress for installation If you set the address to 000 it will Remove all association knowledge Revert to a low power hibernation mode Send disassociation request to the receiver If the sensor and receiver are associated and communicating at the time the sensor is set to 000 and the Test button is pressed the receiver will also become unassociated and will be available for re association e Read the switches from l
87. ess on systems with Commb devices Registration 5 Rover Comm5 will launch and the Rover service tool will automatically Scan for Neron ID of Devices 6 Oncethe scan is complete the results will populate the device tree on the left hand side of the Rover Comm5 screen 7 Access the desired VAV VV550 Controller from the device tree 43 S TRANE VAV VV550 Controller Programming and Operation VV550 Controller Device Home Tabs At a Glance Unit Information Tab Figure 33 Unit tab Group Device View Toos Help Tracer VV550 Device Tracer VV551 Cura Outputs Ventiation Commissioning General Space Temperature Active Setpoint Discharge Air Temperature Aitflow Setpoint Space 02 Diagnostic Flow Sensor Failure Operating Status Occupied Coo ng Pressure Dependent Mode Unit Description Variable Ai Volume Unit Single Duct Space Temperature Control L2 5 77 2 10 46 AM Space Temp The temperature as reported by the zone sensor Active Setpoint The active or actual setpoint currently used by the VAV VV550 Controller Can be either Heating or Cooling depending on operating mode Primary Air Discharge Air Temperature Shows the auxiliary temperature input Note This will be defined in configuration as either Primary Air or Discharge air temperature depending on unit control strategies See Configuration section for more details Airflow Measured in CFM When a valid f
88. et 3 8 F which will be added to the heating set point If Parallel fan control has been edited to Primary Flow this line will be entered as a percent 0 to 100 Note See the Sequence of Operations section of this manual for details on parallel fan operation Box Setup Select the proper Setup type The selectable item is either a Trane F style unit manufactured by Trane or Generic if the VV550 controller is mounted on some one else s VAV unit The unit type information is maintained in the controller s EEPROM When Trane F style unit is selected it will also show the inlet size and type in inches The entry field on this line will disappear if the unit does not have Trane F style unit selected Note See CNT PRCOOS EN if retrofitting a VV550 1 controller onto someone else s VAV unit VAV SVP01A EN Setup Tab Figure 44 Setup tab VAV SVP01A EN S TRANE VAV VV550 Controller Device Home Tabs Instructions Rover Tracer VV551 Configuration File Configuration Device Setpoints Unit Outputs Test Other Device Setup Setup Flow Setpoints Setup Nominal Flow 1 000 Minimum Airflow 197 cfm Unit Flow Gain 1 000 Maximum Airflow 900 cfm Standby Minimum Airflow 165 cfm Flow Offset 0 000 Standby Heating Minimum Airflow 246 cfm Flow Gain Heating Minimum Airflow 328 Minimum Delta 2 Heating Maximum Airflow 949 Ventilation Setup Occupied Setpoint Local Heat
89. etpoint 100 0 F Reheat Priority Local C Remote Save Download Close Help Device Name Tracer VV551 In Rover the Unit Tab can be changed by selecting the Configure button Following are descriptions of each line on the Unit tab Unit Configuration This allows for selection between three operational programs The three programs are Space Temperature Ventilation Flow and Flow Tracking Note See Operation chapter fore details on operational programs Default Primary Air Temperature The selections are cooling or heating The controller default operation auto can place the unit in heating or cooling mode When the controller automatically determines the heating or cooling mode the unit switches to the desired mode based on the primary air temperature Note It can also be done with a communicated request Primary Air Setup Auto Changeover Setpoint The auto change over set point allows for switching from heating to cooling operation with the vav If primary air temperature greater than the configured auto changeover setpoint then primary air temperature is Primary air is hot enough for heating and reheat can be used If primary air temperature lt configured auto changeover setpoint 10 F 5 56 C then primary air temperature is cold Primary air is cold enough for cooling and reheat can be used No change in hysteresis region Reheat Setup Reheat Enable Setpoint When the primary air temperature i
90. etup menu Verify that the actual unit size matches the unit s nameplate 4 Poor inlet configuration Trane recommends 177 duct diameters of straight duct before the inlet of the box a 12 inch box should have 18 inches of straight run duct before the inlet 5 To determine whether or not the transducer has failed perform the following steps Check the 24 volts AC supply at TB1 1 24VAC input and TB1 2 on the VAV VV550 Controller board Voltage should be between 20 volts AC and 28 volts AC Read the input voltage to the transducer from the VAV VV550 Controller between the green and red wires on P1 of the VAV VV550 Controller board The voltage should be between 4 50 volts DC and 5 50 volts DC 5 volts DC cataloged If no voltage indicated replace the VAV VV550 Controller Remove the high and low tubes from the transducer to simulate no flow Read the transducer output voltage on P1 of the VAV VV550 Controller board between the green and the black wires with a voltmeter The voltage should be between 0 20 volts DC and 0 30 volts DC 0 25 volts DC is the null voltage output of the transducer indicating zero flow If voltage not available replace transducer Note The formula for the Transducer output voltage is 0 25 0 75 delta P where delta P is the pressure in inches of water column Delta P can range from 0 to 5 inches of W C With flow going across the flow ring measure the differential pressure with a magnahelic and use T
91. flow control uses one of the following two airflow setpoints e Ifno reheat being used it uses the configured Ventilation Setup Occupied Setpoint e If reheat being used it uses the configured Local Heat Minimum Airflow VAV SVP01A EN VAV SVP01A EN S TRANE Sequence of Operations Staged Reheat Control Electric and Hot Water The heat outputs of the controller are binary Only discrete levels of discharge air temperature are possible Since discrete discharge air temperature levels do not always provide an instantaneous temperature within the required band staged reheat controls to a 30 minute average discharge air temperature The discharge air temperature setpoint is limited from 20 F to 70 F Staged Electric Reheat Control Units that are equipped with electric reheat should be sized so that the maximum temperature rise across the heating elements is 40 F to 48 F 22 22 C to 26 67 C it should never exceed 50 F 27 78 C for safety reasons These values were selected to allow the largest control range without damage to the heater elements Figure 14 p 75 shows the achievable control range for ventilation flow control staged electric heat Table 14 Ventilation flow control staged electric heat achievable control rang Minimum OAT for control DAT Setpoint Some tempering is possible Achievable control range No Control possible No cooling capacity Maximum A T 50 F 27 78 C Electric heat only DAT setpoint
92. for field wiring installation and grounding as described in NEC and your local state electrical codes All field wiring MUST be performed by qualified personnel Failure to follow these requirements could result in death or serious injury Overview of Manual Note One copy of this document ships inside the control panel of each unit and is customer property It must be retained by the unit s maintenance personnel This booklet describes proper installation operation and maintenance procedures for delivered air systems By carefully reviewing the information within this manual and following the instructions the risk of improper operation and or component damage will be minimized It is important that periodic maintenance be performed to help assure trouble free operation A maintenance schedule is provided at the end of this manual Should equipment failure occur contact a qualified service organization with qualified experienced HVAC technicians to properly diagnose and repair this equipment Table of Contents General Information 0 0 ccc ccc cece 6 Chapter Overview 6 Unit Control Module VAV VV550 Controller 6 Specifications 0 rn 7 VV550 Enhancements 8 VV550 Features cade de 9 Shipping amp
93. harge all energy storing devices such as capacitors before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized When necessary to work with live electrical components have a qualified licensed electrician or other individual who has been trained in handling live electrical components perform these tasks Failure to follow all of the recommended safety warnings provided could result in death or serious injury In the event that the VV550 reports an incorrect zone setpoint properly inspect the following 1 Zone sensor setpoint wired incorrectly Check wiring for the correct connections 2 Defective zone sensor setpoint dial VAV SVP01A EN TRANE Troubleshooting Disconnect the zone sensor terminal plug from the VV550 and using an Ohmmeter measure the resistance across the terminals 2 common and 3 setpoint Compare the resistance to specified set point on sensor using Table 19 p 90 The resistance shown should correlate within 2 degrees of setpoint shown on Table 19 p 90 If not the zone sensor needs to be replaced 3 Defective wiring or VV550 With wires still connected to VAV VV550 disconnect zone sensor setpoint wires and check voltage DC from wires that were connected to terminals 2 and 3 of zone sensor You should measure 5VDC If you do not have 5VDC then see if the VAV VV550 is outputting 5VDC This can be done by disconnecting the wires on the VAV VV50 on
94. he recommended safety warnings provided could result in death or serious injury In the event that the fan output is not energizing properly inspect the following 1 Verify the output configuration in the VV550 setup menu Unit needs to be configured as Series fan 2 Outputs on the VV550 are configured as normally closed e Verify the output configuration in the VV550 setup menu Note Series fan powered units in the occupied mode has the fan continuously energized See operation Chapter for details 99 e TRANE Troubleshooting VAV Parallel Fan 100 3 Tracer Summit has the fan output disabled e Check group global and or Tracer overrides to make sure they are not inhibiting fan operation 4 A flow override exists locking out the fan output e Check to make sure Tracer or Rover service tool has released fan disable override 5 If the VAV VV550 Controller is calling in the status menu for the Fan to be on and it is not then check VV550 Triac output wiring and Relay output e Override damper open e See if fan cycles on Check J8 to TB1 2 Should have 24VAC if it does not measure the power input to TB1 1 24VAC input and TB1 2 ground of the VV550 board The supply voltage should be between 20 and 28 VAC 24VAC cataloged However voltages at either extreme may result in system instability Triac can be checked with purchasing a 24VAC light bulb and see if it lights up on call for fan and if the light bulb doe
95. he factory The binary input can be configured with Rover service tool as occupancy or generic or not used The input associates 0 Vac with open contacts and 24VAC with closed contacts It is activated by a dry contact switch closure e Must be 14 to 18 AWG e Refer to Figure 2 p 17 and Figure 3 p 18 and the sensor instructions for terminal connections Occupancy Binary Input The occupancy binary input can be configured as NO or NC Occupied is the normal state It is also the initial state at power up and after a reset Unoccupied is the other state If the binary input is configured as generic the default occupancy mode is occupied Generic Binary Input The generic binary input can be configured as NO or NC Normal state is inactive and is also the initial state at power up and after a reset Active is the other state Not Used Input When no device is connected to the input configure the controller input as not used Binary Outputs Wiring Binary outputs that are required for unit operation are factory wired and commissioned 25 S TRANE VAV Start Up Check Out Procedure Ventilation Flow control See Auxiliary Duct Temperature Sensor wiring on Space temperature controller Analog Inputs Note If heat is installed Auxilary sensor will be located at the discharge of the VAV unit Flow Tracking Control Two controls are used in Flow tracking controller One is configured with the Space temperature control program and the other c
96. his reheat may be hydronic or electric Reheat is used to maintain the space temperature at the heating setpoint Note Heating operation and Reheat are to different entities Air Valve Control in Space Temperature Control Operation Reheat Control Electric Heat 70 Air delivered to the space is controlled with a three wire floating point actuator that modulates the air valve The controller positions the modulating air valve to deliver the desired airflow cooling or heating capacity The desired airflow is called the active flow setpoint The controller positions the modulating air valve to deliver the desired airflow cooling and heating capacity to within 296 of nominal airflow The airflow control algorithm compares the active airflow setpoint with the measured airflow and calculates the necessary air valve movement to minimize error The airflow setpoint is limited by applicable minimum and maximum flow setpoints There are two types of reheat control hydronic heat and electric heat Reheat is allowed to turn On if the zone temperature is below the heating setpoint Space temperature control can use reheat if the following conditions are all true e The unit is not calibrating e Reheat is enabled communicated auxiliary heat enable e For local reheat only the fan if present is not being overridden to Off communicated fan speed command e The primary air temperature is less than the configured reheat enable setpoin
97. iTrac CCP2 and CCP3 Supports ventilation flow control Does not support ventilation flow control Supports flow tracking control Does not support flow tracking control Supports enhanced ventilation control sequences Does not support enhanced ventilation control sequence Supports auto commissioning sequence Does not support auto commissioning sequence Supports zone sensor air balance sequences Does not support zone sensor air balance sequence Shipping amp Storage VAV SVP01A EN Each VAV product and its service literature are shipped in the same package When unpacking make sure that the literature is not lost or discarded with the packing material Visually inspect the individual components for obvious defects or damage All components are thoroughly inspected before leaving the factory Any claims for damage incurred during shipment must be filed with the carrier When any component of the VAV system and or field installed accessories must be stored for a period of time prior to being installed they must be protected from the elements The storage location temperature should be between 40 to 150 F 40 to 65 6 C and the relative humidity should be 10 to 90 non condensing The warranty will not cover damage to the VAV system or controls due to negligence during storage A controlled indoor environment must be used for storage 11 S TRANE General Information Data Lists If you re going to connect to a generic b
98. ide menu in Rover However this will be more time consuming Rover Air and Water Balancing Tool The Rover Air and Water Balancing tool assists with air and water balancing by automating overrides calculations and calibration The Air and Water Balancing tool supports VAV VV550 Controllers and other controllers that use the LonMark Space Comfort Controller SCC profile Note For step by step instructions for using this tool refer to the Air and Water Balancing Tool Operations guide You must connect your computer to a Commb5 link to communicate with the equipment on the link You can however view job information and reports offline Refer to the Rover installation sheet for instructions on connecting to a link Important The Air and Water Balancing tool works only with controllers that support the SCC profile In addition the controllers must support the network variables for airflow Ifthe Start Air Balancing button is not available on the Equipment tab the controller is not compatible with this tool Welcome amp Selection Screen When Rover launches click the Air and Water Balancing Tool button to launch the selection screen VAV SVP01A EN 79 S TRANE Air and Water Balancing 80 Figure 51 Balancing tool screen Welcome to Rover Air and Water Balancing Tool Create New Job Open Existing Job C Delete Existing Job Project Number Date 54 i ROVER New Job Exit Create
99. ides are active the default space setpoints are used the reported local setpoint reports the invalid value Setpoint values outside of the valid setpoint range 50 F to 85 F 10 0 C to 29 44 C are not used Enable Auto calibration Calibration takes place if this auto calibration feature is enabled and either a power cycle or a transition from occupied to unoccupied has occurred The building automation system is responsible for the staggering of the calibration sequence that is needed between units When auto calibration is enabled and a transition from occupied to unoccupied occurs the calibration sequence starts after a fixed delay of three minutes The controller effective occupancy mode is unoccupied but runs like it is occupied during this three minute period The mode field of reported unit status reports shows when the controller is in the calibration sequence VAV SVP01A EN Unit Tab Figure 43 Unit tab VAV SVP01A EN S TRANE VAV VV550 Controller Device Home Tabs Instructions Rover Tracer VV551 Configuration File Configuration Device Setpoints Setup Inputs Outputs Test Other Unit Configuration Control Type Fan Configuration Space Temperature Fan Present C Ventilation Flow c C Flow Tracking Default Primary Air Temperature Cooling C Heating Primary Air Setup Auto Changeover Setpoint 80 0 F Box Setup Reheat Setup Trane F Style Box C Generic Box Reheat Enable S
100. in occupied bypass mode for 120 minutes default configured occupied bypass time or until someone presses the zone sensor CANCEL button The controller can be placed in occupied bypass VAV SVP01A EN S TRANE Sequence of Operations mode by either communicating an occupancy mode request of bypass mode communicated occupancy override to the controller or by using the zone sensor timed override ON button The occupied bypass mode and the occupied mode operate similarly When the controller is in the unoccupied mode pressing the zone sensor ON button places the controller in the occupied bypass mode for the duration of the configured occupied bypass time When the controller is in the occupied standby mode pressing the zone sensor ON button places the controller in the occupied bypass mode for the duration of the configured occupied bypass time Space Temperature Control Single Duct Units Space temperature control STC is one of three supported control algorithms Space temperature control requires a valid space temperature If there is no valid space temperature communicated or local the space temperature control algorithm does not run the unit either shuts down or goes to construction mode VAV VV550 Controllers use the active space temperature to maintain the space temperature at the active space cooling setpoint or the active space heating setpoint The controller heat cool mode is determined by either a communicated request o
101. in features This can be done through configuration Or if a sensor is configured to match all control capabilities of the building automation system the locking feature can be used to restrict the tenant from making changes Configuration Procedure To configure settings on the model WDS sensor follow this procedure in the order presented 1 Press the configuration button for 3 seconds Figure 18 Configurations 03 Configuration button The display will change to configuration mode When the sensor is in configuration mode a wrench symbol appears on the display and the menus are separated by lines as illustrated below Figure 19 Configuration mode 2 Press the center button on the keypad to begin the configuration process 36 VAV SVP01A EN Figure 20 Center button GAD G B Center button lt p 3 Configure the sensor options in the order shown in the table e Press G or B to scroll to the next selection e Press GD to move to the next menu Figure 21 Wireless configuration e TRANE VAV Start Up Check Out Procedure Setting Configuration options Temperature e Choose Fahrenheit or Celsius 8 Choose the degree lution whole d MPA L dux us 0 e Ds degrees B Setpoint no single dual setpoint setpoint setpoint Deadband available for dual setpoint system only 8 Note Deadb
102. ined TB1 1 is the hot side and TB1 2 is the ground side of the 24VAC input Refer to Figure 2 p 17 and Figure 3 p 18 for the VAV VV550 Controller terminal locations The VAV VV550 Controller cannot be powered from a common 24VAC transformer that is supplying power to a device containing a full wave rectifier bridge in its power supply The acceptable voltage is 18 to 32 VAC 24VAC cataloged However voltages at either extreme may result in increased system instability Verify that communications wiring has properly been terminated at TB2 1 and TB2 2 Polarity is not important on the communications link Verify that the zone sensor connections are correct as detailed in this IOP If heat has been added to unit verify that the proper output connections have been made as detailed in this IOP Verify that the tubing is properly connected to the transducer VAV SVP01A EN e TRANE VAV Start Up Check Out Procedure VV550 Power Wiring Power Requirements VAV SVP01A EN WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury WARNING Electrocution and Fire Hazards with Improperly Installed and Grounded Field Wiring Improperly installed and grounded field wiring poses FIRE amp EL
103. ing and Operation chapter Note If still not communicating to Rover service tool and communication link replace controller Communication Failure LINK e The TXLED blinks green atthe data transfer rate when the VV550 transfers data to other devices on the link e The RX LED blinks yellow at the data transfer rate when the VV550 receives data from other devices on the link Wiring Best Practices Note See start up and check out procedures for best wiring practices VAV SVP01A EN e TRANE Troubleshooting Wired Zone Sensor Failure Procedures VAV SVP01A EN N WARNING Hazardous Service Procedures The maintenance and troubleshooting procedures recommended in this section of the manual could result in exposure to electrical mechanical or other potential safety hazards When possible disconnect all electrical power including remote disconnect and discharge all energy storing devices such as capacitors before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized When necessary to work with live electrical components have a qualified licensed electrician or other individual who has been trained in handling live electrical components perform these tasks Failure to follow all of the recommended safety warnings provided could result in death or serious injury In the event that the VV550 reports an incorrect zone temperature properly inspect the following 1 Actual room t
104. ink unless using a repeater then it is 16 stubs Each stub should not exceed 50 feet Exceeding these limits increases the likelihood of communication problems Connect Communication wire to terminals TB2 5 and TB2 6 on VV550 controller and to Figure 7 Communication stubs used with a repeater 24 System panel Comm stub Q Repeater Device comm Jack in zone sensor Q i gt Comm stub Notes 1 Maximum wire length on either side of the repeater is 4 500 ft 1 400 m 2 The link repeater is limited to 60 devices on either side of the link 3 Place termination resistors at the end of the link Use a 105 X resistor at each end of the link for Level 4 wire VAV SVP01A EN S TRANE VAV Start Up Check Out Procedure Auxiliary Duct Temperature Sensor The typical mounting position of the auxiliary sensor is upstream of the VAV unit and connected into the DDC controller at TB3 5 and TB3 6 Comm5 could be mounted downstream of the reheat for improved diagnostics Figure 8 p 25 Refer to Controller Diagrams Figure 2 p 17 and Figure 3 p 18 for the VAV VV550 Controller terminal locations Figure 8 Duct temperature sensors upstream downstream Supply Air Sensor VAV SVP01A EN Controls Discharge Air Sensor Binary Input Wiring Each VAV VV550 Controller provides one binary input On the VV550 factory installed controller the binary input configuration is set up at t
105. ion LED3 On 3 2 3 i Displays for 5 seconds then constantly off Press Test LED1 Off Marginal signal quality Button SS LED2 On Reduced battery life is likely LED3 On Consider moving the sensor or receiver to a better Displays for 5 seconds then constantly off location LED1 Off Poor signal quality LED2 Off Unreliable communication LED3 On Strongly recommend moving the sensor or receiver to Displays for 5 seconds then constantly off a better location e lf sensor and receiver still do not operate properly replace bad components If unit passes tests check VV550 operation 4 Defective VAV VV550 e Disconnect the receiver sensor wires on the VAV VV550 on terminals TB3 1 and TB3 2 and measure the VDC It should be 5VDC If 5VDC is not present check incoming power to the VAV VV550 Controller board on TB1 1 and TB1 2 Should measure 24VAC 10 If you measure the proper voltage at TB1 1 and TB1 2 and no voltage at TB3 1and TB3 2 replace VV550 Note If no voltage at TB1 1 and TB1 2 see VV550 failure procedures e Disconnect the receiver sepoint wires on the VAV VV550 on terminals TB3 2 and TB3 3 and measure the VDC It should be 5VDC If 5VDC is not present check incoming power to the VAV VV550 Controller board on TB1 1 and TB1 2 Should measure 24VAC 10 If you measure the proper voltage at TB1 1 and TB1 2 and no voltage at TB3 2and TB3 3 replace VV550 95 e TRANE Troubleshooting Airflow Failure Proced
106. ional It involves working with hazardous components that are potentially life threatening if not handled properly Improperly installed adjusted or altered equipment by an unqualified person could result in death or serious injury Z WARNING Personal Protective Equipment PPE Required Installing servicing this unit could result in exposure to electrical mechanical and chemical hazards e Before installing servicing this unit technicians MUST put on all Personal Protective Equipment PPE recommended for the work being undertaken ALWAYS refer to appropriate MSDS sheets and OSHA guidelines for proper PPE e When working with or around hazardous chemicals ALWAYS refer to the appropriate MSDS sheets and OSHA guidelines for information on allowable personal exposure levels proper respiratory protection and handling recommendations e If there is a risk of arc or flash technicians MUST put on all necessary Personal Protective Equipment PPE in accordance with NFPA70E for arc flash protection PRIOR to servicing the unit Failure to follow recommendations could result in death or serious injury 2010 Trane All rights reserved VAV SVP01A EN VAV SVP01A EN e TRANE Warnings Cautions and Notices ZNWARNING Electrocution and Fire Hazards with Improperly Installed and Grounded Field Wiring Improperly installed and grounded field wiring poses FIRE amp ELECTROCUTION hazards To avoid these hazards you MUST follow requirements
107. is less than zero the air valve is closed If the calculated airflow setpoint is less than 10 of the configured nominal airflow and the configured airflow tracking offset is greater than or equal to zero the air valve is positioned VAV SVP01A EN S TRANE Sequence of Operations at the configured minimum airflow The maximum airflow setpoint is limited by the configured maximum airflow Air Valve Control in Flow Tracking Control Operation The VAV VV550 Controllers support one modulating air valve for heating and cooling operation Air delivered to the space is controlled with a three wire floating point actuator that modulates the air valve The controller positions the modulating air valve to deliver the desired airflow cooling or heating capacity The desired airflow is called the active flow setpoint Flow tracking control is provided by two controllers working together space temperature controller and flow tracking controller The space temperature controller outputs the airflow as reported airflow The airflow is determined by the airflow setpoint input communicated airflow setpoint of the flow tracking controller The flow tracking controller adds a configured airflow tracking offset positive or negative to the communicated airflow setpoint and controls its airflow to this new airflow setpoint Reheat Control in Flow Tracking Control Operation Reheat is not an option on a flow tracking controller Unoccupied Flow Tracking C
108. ition and the water valve position Unit Description Describes the type of device being communicated to via Rover service tool It also indicates the general program that has been placed in controller Outputs Tab Figure 34 Outputs tab Group Device View Tools Help Tracer VV550 Device Tracer VV551 Unit Outpuis Ventiation Commissioning General Fan Tool Mode Passive Network Services Ready ECC DES 21 Da Mer Fan Status The Fan will be shown as On Off or None Air Valve Position Indicates air valve or damper position Reheat Capacity Will indicate reheat capacity in Percentage 46 VAV SVP01A EN Ventilation Tab S VAV VV550 Controller Programming and Operation Figure 35 Ventilation tab Group Device View Tools Help PII Tracer VV550 Device Tracer Vv551 Outputs Ventiaton Commissioning Genera Ventilation Ratio 100 X Effective Ventilation Setpoint 0 cim Active Minimum Airflow Setpoint 0 Minimum Airflow Setpoint Source No Minimum being enforced Tool Mode Passive Network Services Ready 1 start R 2 5 21 5 ETE 2r Petsa VAV SVP01A EN Note For more information on this Ventilation Tab and how the VAV VV550 Controller interfaces with Tracer Summit see CNT SVX17 EN Ventilation Ratio The Tracer Summit BAS uses the communicated ventilation ratio limit to tell the controll
109. ition for the air valve during the pressure dependent mode Discharge Air Setup Discharge Air Setpoint Type the discharge air setpoint This field is available only if you selected ventilation flow control on the Unit tab When using ventilation flow control and in the occupied mode the VAV VV550 Controller controls to the active airflow setpoint and modulates the heating capacity to keep the discharge air temperature at the active discharge air temperature setpoint Inputs Tab Figure 45 Inputs tab Rover Tracer VV551 Configuration File Configuration Device Setpoints Unit Setul Outputs Test Other Input Configuration Binary Inputs Binary Input 1 Occupancy C Generic Not Used Iv Analog Inputs Analog Input 1 Analog Input 3 Space Temperature Sensor Airflow Sensor Analog Input 2 Analog Input 4 r C Primary Supply Air Sensor Space Setpoint 3 x Discharge Air Sensor Save Download Close Help Device Name Tracer VV551 VAV SVP01A EN 61 S TRANE VAV VV550 Controller Device Home Tabs Instructions 62 In Rover the Inputs tab can be changed by selecting the Configure button Following are descriptions of each line on the Inputs tab For a factory installed VAV VV550 Controller all inputs and outputs are configured at the factory For a field installed VAV VV551 Controller use this tab to configure the inputs Binary Input 1 Select the application used with Binary input 1 Occ
110. l operation Refer the Rover product literature for more information The Service push button can be used as one of several methods to install the controller in a communication network Refer to the Rover service tool product literature EMTX SVX01 EN for more information Space temperature controller Analog Inputs Zone Sensor Hardwired Option Depending on the zone sensor options used a maximum of five wires may be required to run from the VAV VV550 Controller to the zone sensor The zone sensor options are e Zone sensor only 2 wires Part Number X13511528010 e Sensor with night set back Part Number X13511530010 e Zone sensor with external adjustable Part Number X13511529010 e Zone sensor with external adjustable night set back timed override TOV on cancel button Part Number X13511527010 e Digital zone sensor Part Number X13511530010 e Communications jack Part Number X13651467020 for one box of 12 Note All wiring from the zone sensor to the Com link must be twisted shielded pair wiring VAV SVP01A EN 23 e TRANE VAV Start Up Check Out Procedure Zone Sensor Wireless Option Wireless Zone Sensor Receiver is used to receive a signal from the wireless zone sensor and can be factory installed Part Number X13790855010 The wiring harness connects the receiver to the VAV VV550 Controller Part Number X19051672010 Zone Sensor Wireless Option Zone Sensor The wireless zone sensor with night setback timed o
111. lease button Click this button to release any existing overrides for the VAV VV550 Controller If you do not release the overrides here the controller automatically releases them after 10 hours by default for air valves and water valves You can change this default in the Timers area on the Other tab in the Configuration dialog box The controller does not automatically release fan overrides Close button Click this button to exit the Device Overrides dialog box 66 VAV SVP01A EN TRANE Sequence of Operations Chapter Overview Calibration This chapter contains information about the following e Calibration e Occupancy Modes e Space Temperature Control Single Duct Units e Space Temperature Control Fan Powered Units e Ventilation Flow Control e Flow Tracking Normal Operation The controller is functioning normally when it is operating in one of the three control modes space temperature control ventilation control or flow tracking control and in one of four occupancy modes occupied mode unoccupied mode occupied standby mode or occupied bypass mode Note For More detail on control modes and units operation see CNT SVX17 EN The calibration sequence enables the controller to calibrate the air valve position and the water valve position Calibration takes place if autocalibration is enabled and either a power cycle or a transition from occupied to unoccupied has occurred Note Whether or not autocalibration is
112. low value is present the controller operates under pressure independent control If after an airflow sensor failure the airflow returns the valid range airflow value greater than 10 of configured nominal airflow the controller automatically resumes pressure independent control When the communicated airflow setpoint is invalid the flow sensor has failed or calibration has failed the controller closes the air valve if the configured 44 VAV SVP01A EN VAV SVP01A EN S TRANE VAV VV550 Controller Programming and Operation airflow tracking offset is negative If the configured airflow tracking offset is positive the controller opens the air valve to the configured maximum airflow space Once a valid differential pressure is established through the local hardwired input and then is no longer present the controller generates a flow sensor failure diagnostic Airflow Setpoint The VV550 controllers support one modulating air valve for heating and cooling operation The controller positions the modulating air valve to deliver the desired airflow cooling or heating capacity The desired airflow is called the active flow setpoint The airflow control algorithm compares the active airflow setpoint with the measured airflow and calculates the necessary air valve movement to minimize error The airflow setpoint is limited by applicable minimum and maximum flow setpoints Space CO2 Communicated Value only CO2 based demand control ventilation
113. m VAV VV550 Controller and places Rover Comm5 in command of the controller Controllers that are in the service mode appear in bold in the device tree on the left side of your screen More than one controller can be in the service mode at one time You can place a controller in the service mode manually or let Rover Commb do so automatically when you start an override Controllers exit the service mode automatically 15 minutes after the last override or when you manually release them To enter the service mode 1 Connect to the Comm link and scan for devices 2 Inthe device list on the left side of your screen double click the controller that you want to place in the service mode 3 Click the Enter Service Mode button While the controller is in the service mode it appears in bold in the device list To exit the service mode do one of the following e Wait for 15 minutes Rover Commb does not need to be online with the controller e For each controller in the service mode click the Exit Service Mode button Overriding VAVs When you override a controller Rover Comm5 automatically places the controller in the service mode The controller is automatically released from the service mode after 15 minutes or when you click the Exit Service Mode button for the device You can manually release overrides by selecting the appropriate release command in the Override dialog box 1 the Tools menu click Overrides Select override VAVs
114. m airflow setpoint is activated See Table 11 p 72 for single duct reheat operation and Table 12 p 72 for fan powered reheat operation Hot Water Heat Two types of control of hydronic heat are supported On Off and modulating Note Steam is not supported Hydronic heat is enabled if there is no valid primary air temperature Hydronic heat is disabled if the primary air temperature is greater than the configured reheat enable setpoint ON Off Hot Water Heat Refer to staged electric heat for operation Difference is we are controlling a two position hot water valve instead of contactor energizing an electric heat strip See Table 11 p 72 for single duct reheat operation and Table 12 p 72 for fan powered reheat operation Proportional Hot Water Reheat Proportional hot water reheat uses 3 wire floating point actuator technology It is the same operation for single duct units as it is for fan powered units The heating minimum airflow setpoint is enforced during reheat The water valve opens as space temperature drops below the heating setpoint A separate reheat proportional plus integral control loop from that controlling airflow into the room is enforced Water valve position is dependent on the degree that the space temperature is below the active heating setpoint and the time that the space temperature has been below the active heating setpoint If not already closed the water valve fully closes when the zone temperature rises above
115. mal Normal Local electric heat is Off local hydronic and all remote heat is normal Low airflow ventilation flow control Normal Don t care Local electric heat is Off local hydronic is normal remote is Don t care Primary air temperature failure Space temperature control Normal Normal Local electric heat is Off local hydronic and all remote heat is normal Primary air temperature failure ventilation flow control Normal Don t care Normal Primary air temperature failure flow tracking control Normal Don t care Don t care Space temperature fail space temperature control O Occupied cool minimum Series fan enabled Off flow setpoint Unoccupied parallel fan Off closed Space temperature fail ventilation flow control O Normal Don t care Normal Space temperature fail flow tracking control Normal Don t care Don t care Local setpoint failure Normal Normal Normal Flow sensor failure or flow sensor calibration failure space Normal pressure Normal Normal temperature control dependent control Flow sensor failure or flow sensor calibration failure ventilation flow Normal pressure Don t care Normal control dependent control Flow sensor failure or flow sensor calibration failure flow tracking If the configured airflow Don t care Don t care control tracking offset is positive configure maximum airflow If the configured airflow tracking offset is negative configure minimum airflow
116. nd below 110 of cataloged flow and performing a normal calibration and does not correct the problem Steps for Calibration Log on to the VAV VV550 Controller with Rover software Turn the central air handler off If this is not possible Trane recommends pulling the transducer tubes off during the calibration process to simulate this Select the calibrate unit option button Rover software will indicate that calibration is taking place in the diagnostic log When calibration is complete the box will release to auto Drive the box open to make sure that the box is not below 5 of its cataloged CFM The controller is accurate in reading flow from 5 to 110 of cataloged CFM Release the box to auto and perform any necessary balancing work See Rover Help for balancing details Check to see if flow has been established If flow not established or inaccurate proceed to Step 2 The tubing or flow ring is off reversed plugged or has a leak Check with a magnehelic gauge and compare with the delta pressure DP chart located on the VAV box VAV SVP01A EN VAV SVP01A EN e TRANE Troubleshooting Figure 57 Sensor signal vs airflow delivery Flow Sensor DP In w g 0 01 5 10 100 1 000 10 000 C fm Check the tubing for reversal and or leaks Check the flow ring for plugged holes Blow out with compressed air if necessary 3 Wrong unit size downloaded into the VAV VV550 Controller s
117. ndby mode when a communicated occupancy mode request from a communicated occupancy override occupancy schedule or occupancy sensor is combined with an occupancy request from the local hardwired occupancy binary input Note This setpoint allows inactive spaces in the occupied mode to float to a more energy saving setpoint until occupancy mode deems it necessary to use another setpoint as its active setpoint Unoccupied Heating Set points have a range of 30 0 100 0 F 1 1 37 8 C This heating set point is used when the VAV VV550 Controller is unoccupied The unoccupied cooling set point must be greater than or equal to the unoccupied heating set point plus 2 0 F 1 1 C Active Setpoint Space Temperature The Active Space Temperature can be either from a local analog input as measured by the zone sensor or as a remote communicated value If both are present the controller uses the communicated value The controller uses the network variable output space temperature to report the space temperature value that it is using Active setpoint The set point cannot be edited and reflects the set point currently being used for Heating Cooling temperature control The Active Space Setpoint can be either from a local analog input as measured by the zone sensor or as a remote communicated value If both are present the controller uses the communicated value The controller uses the network variable output Effective setpoint to report th
118. nimum NEXT coupling loss for any pair combination at 1 0 MHz 56 dB room temperature is to be greater than the value determined using the formula NEXT gt NEXT 0 772 151og10 FMHz 0 72 for all frequencies in the range of 0 772 MHz 20 MHz for a length of 1 000 4 0 MHz 47 dB fte 8 0 MHz 42 dB 10 0 MHz 41 dB 16 0 MHz 38 dB 20 0 MHz 36 dB dc resistance unbalance maximum 5 20 VAV SVP01A EN e TRANE VAV Start Up Check Out Procedure Figure 4 Daisy chain configuration Termination Resistor Note Use 105 1 1 4 W for 22 AWG Level 4 Comm5 Link Repeater A Comm5 link repeater regenerates the signal on Comm5 link The configurations on either side of the repeater should be daisy chain Both link segments require proper termination Figure 5 22 Link repeater requirements A link repeater is required when e The total wire length is greater than the maximum wire run length of 4 500 ft 1 400 m e than 60 devices are connected to a link This total does not include the BCU the link repeater and the temporary use of a service tool on the same link e More than eight zone sensor communication stubs maximum 50 ft are required on a Commb5 link Link repeater connections The recommended shield connections are shown in Figure 6 p 22 Use these connections for instances where shielded communication wire is used For an example of using a repeaterto create an extended daisy chain configu
119. nostic is present If diagnostic is present use Rover Service tool or Tracer Summit to access VV550 diagnostics See Table 16 p 85 for diagnostics After diagnostics have been assessed find correct procedures for troubleshooting issue Note VV550 binary outputs can be exercised by Rover Service tool See status and programming sections for detail VAV SVP01A EN 83 e TRANE Troubleshooting Diagnostic Log The Diagnostic Log reports diagnostic and informational modes items that are not in the unit s normal operation Figure 53 Diagnostic log RoverComm4 Device 65 VAV TERMINAL UNIT mA A Fie View Tools Help 18 x stars setpoints Setup Wieless Advanced Coniguration n i VAVs T 65 VAV TERMINAL UNIT UCM4 Unit infor Input BG VAV TERMINAL UMT UCM Unit VaiTrac Rectangular CO2Sensor 97 VAV TERMINAL UNIT UCMA Other Sotware Revision 42 Vae 1178 et Setpoints Enter Service Mode AciveHeaing S0 0F Postion zx IIT EE Active Cooling amp 50F Flow Zone Sensor 786F ZoeTem 711F libre Flow Corto Auto Mode Unoccupied Present Minimum 23 Acton Heat Ventiation Ratio 000 MasHotWaler veride Genetic Status Closed Heat Pare None Status Enabled Statue PresentVahue Present Value Core Ready 7 st
120. nsors and set up timers Calibration Space Temperature Sensor Use this area to calibrate the space temperature The effective value is the result of the space temperature used by the controller plus the offset value In the Offset field type a negative or positive number to offset the space temperature Hardwired Setpoint Use this area to calibrate the setpoint from the zone sensor The effective value is the result of the raw value of the hardwired setpoint plus the offset value In the Offset field type a negative or positive number to add to the hardwired setpoint After calibration the effective value should match the value indicated on the zone sensor thumbwheel Stroke Times Primary Air Valve Type the amount of time required to drive the air valve from fully open to fully closed or vice versa For field installed VAV VV551 Controllers this value must be changed to match the specifications of the air valve Water Valve Type the amount of time required to drive the water valve from fully open to fully closed or vice versa For field installed VAV VV551 Controllers this value must be changed to match the specifications water valve Timers Manual Override Time Type the amount of time that the controller will remain in override After this time passes air and water valve overrides are released automatically Fan overrides do not release automatically 65 S TRANE VAV VV550 Controller Device Home Tabs Instructions Oc
121. oltage No voltage e Check Green Status LED e Shows solid green when the VV550 is powered and operating normally e If Green Status LED is off check incoming power Measure the power input to VV550 board on TB1 1 24VAC input and ground TB1 2 The supply voltage should be between 19 and 30 VAC 24VAC cataloged However voltages at either extreme may result in system instability e f voltage check up stream of controller to see were voltage has been interrupted See complete wiring diagrams Figure 59 p 107 to Figure 66 p 114 2 Check for short Remove all wires from controller except incoming power Check device using Rover service tool to see if the VAV VV550 is operating properly If VV550 does operate properly check inputs outputs for a short 3 Forfinal step check program by downloading good program using Rover Service tool See the Saving VAV Program portion of the VAV VV550 Controller Programming and Operation section Note For Instructions on how to use Rover refer to the Rover Help by clicking on Rover Help in the Help menu 4 If controller is still failed replace controller 87 e TRANE Troubleshooting VV550 Communication Loss Procedures 88 In the event that the VV550 is not communicating properly No activity on Communication LED s inspect the following WARNING Live Electrical Components During installation testing servicing and troubleshooting of this product it may be necessary
122. on is not closed Series fan operation during calibration During calibration the series fan is OFF unless the power up control wait timer reaches zero When the power up control wait timer reaches zero the controller uses the normal series fan control logic The series fan is turned OFF for 10 seconds during calibration after the air valve closes all the way And it remains OFF after the 10 seconds expires if e Power up control wait time is still active e System mode communicated application mode or communicated heat cool mode is ON e Effective occupancy mode is unoccupied Otherwise the series fan is turned ON when the 10 second period expires The parallel fan is the first stage of heat When the primary air temperature is cold the parallel fan e Cycles ON as the first stage of heat during occupied mode or occupied standby mode e Cycles ON with a call for heat during unoccupied mode When the primary air temperature is warm or hot the parallel fan is OFF unless the local reheat is ON Two methods of control are supported for energizing the parallel fan One method is based on space temperature the other method is based on primary airflow The parallel fan start points for each method of control are able to be configured Parallel fan start based on space temperature The parallel fan turns ON when the space temperature falls below the heat setpoint plus the configured parallel fan delta temperature enable setpoint It turns OFF
123. onds When reheat is deenergized the cooling minimum airflow setpoint is activated Important Leaving air temperatures LAT should not exceed 100 110 F with 95 F being the optimal for zone temperature and comfort control At elevated LATs room VAV SVP01A EN VAV SVP01A EN e TRANE Sequence of Operations stratification may result in uneven air distribution and zone temperature complaints See Table 11 p 72 for single duct reheat operation and Table 12 p 72 for fan powered reheat operation On Off Electric Reheat One two or three stages of staged electric reheat are available on single duct units and two sages of electric heat are available on fan powered units The heating minimum airflow setpoint is enforced during reheat e Stage 1 is energized when the space temperature falls below the active heating setpoint and minimum airflow requirements are met When the zone temperature rises above the active heating setpoint by 0 5 F 0 28 C stage 1 is de energized e Stage 2 energizes when the space temperature is 1 F 0 56 C or more below the active heating setpoint and is de energized when the space temperature is 0 5 F 0 28 C below the active heating setpoint e Stage 3 energizes when the zone temperature is 2 F 1 11 C or more below the active heating setpoint and de energizes when the space temperature is 1 5 F 0 83 C below the active heating setpoint When reheat is de energized the cooling minimu
124. ontrol In unoccupied control mode the controller operates the air valve the same as it does in occupied control mode The controller enters this mode from a communicated command or from a local occupancy sensor Figure 50 Flow tracking control How Does It Operate Exhaust VAV SVP01A EN To other VAVs or Supply Main Control Panel Communication link from Main AHU Occupied Space 77 TRANE Air and Water Balancing Chapter Overview Air Balancing System Checkou System Setup 78 This chapter contains information about the following e Air Balancing e Rover Air and Water Balancing Tool After the unit has been mounted and all electrical and duct connections have been made the air distribution system should be balanced The proper variable air volume balancing procedures depend on the type of VAV system used and the options specified on the VariTrane unit This section will cover the basic balancing procedures and calibrations needed to balance an air distribution system using VariTrane units This section suggests only one balancing procedure Since there are many possible air balancing procedures keep in mind that these procedures are only suggestions Note Before performing these balancing procedures the calibration command should be initiated at least 15 minutes prior to the balancing procedure t e Check the VAV system installation for conformity to design e Walkthe entire system f
125. ontroller will be set up as flow tracking controller and it will not need any input or output device connected to the controller See Operation section for details 26 VAV SVP01A EN e TRANE VAV Start Up Check Out Procedure Wireless Zone Sensor Overview The Trane Wireless Zone Sensor set includes a sensor and a receiver that work together to provide the same functions as the equivalent Trane wired sensor such as the standard 10 k temperature input with the exception of the communication jack No further software or hardware is necessary for site evaluation installation or maintenance The sensor transmits the zone temperature all zone temperature setpoint functions timed override Occupied On and timed override Unoccupied Cancel information to the receiver The receiver electrically reproduces the zone temperature resistance all zone temperature setpoint function resistances and timed override On and timed override Cancel information as sent by the sensor Dimensional Diagrams See Figure 9 p 27 and Figure 10 p 28 for dimensions of the Wireless Zone Sensor set The dimensions are the same for both the sensor and the receiver Figure 9 Outside dimensions for sensor 08 in 2 75 cm 2 90 in 7 35 cm ml H ag 4 78 in 12 14 cm
126. ot energized then check VV550 Triac output wiring and Relay output e Check Binary outputs See Figure 59 p 107 and Figure 60 p 108 for correct outputs Should have 24VAC if it does not measure the power input to TB1 1 24VAC input and TB1 2 of the VV550 board The supply voltage should be between 20 and 28 VAC 24VAC cataloged However voltages at either extreme may result in system instability Notice Equipment Damage VAV VV550 Controller outputs are switched to ground Do not jumper 24VAC to binary output Triacs because damage will occur e Heat Triac s can be checked with purchasing a 24VAC light bulb and see if it lights up on call for heat output to be open by VV550 If light bulb does not light up replace VV550 106 VAV SVP01A EN e TRANE Troubleshooting Figure 59 VV550 single duct control diagram 24VAC 60HZ NEC CLASS 2 CONTROL CIRCUIT LOAD B VA WITHOUT HEAT HEATER STAGE CONTACTOR S Tess OPTIONAL TRANSFORMER DAMPER ACTUATOR OPTIONAL Power TRANSFORMER d PRESSURE TRANSDUCER AN lg g pti be be Erbe o o amp u o N 1 a 12 lg E dH mimo ree w550 CONTROL BOX TWISTED PAIR COMMUNICATIONS WIRING FIELD INSTALLED FACTORY WIRING FIELO WIRING OPTIONAL OR ALTERNATE WIRING 2 1 4 QUICK CONNECT REQUIRED FOR ALL FIELD CONNECTIONS CX ZONE SENSOR TERMINALS 1 AND 2 REQUIRE SHIELDED T
127. otentiometer until Led s read a 99 output VAV SVP01A EN S TRANE Troubleshooting e Measure voltage from green to red wires on 4 pin connector and document See Figure 59 p 107 to Figure 66 p 114 for correct unit wiring diagram e Should measure less than previous reading Continue processuntil all selector switch positions have been checked to find any dead spots in selector switches e funit ECM board fails any of these tests replace board If ECM is found to be good but motor still does note operate change out motor Figure 58 ECM controller Fan Powered by GE ECM Motor EN CUI M icem Evolution Set Flow Index CONTROLS INC 0 100 65 LA ALIIS VAV Electric Heat Stage s Failure Procedures VAV SVP01A EN WARNING Live Electrical Components During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury In the event that the heat outputs are not energizing properly inspect the following 1 Zone temperature is at or above the heating set point e Increase the VV550 heating set point Verify the output configuration in the VV550 setup m
128. ped with a tool while still on the valve Note Actuator indicator on the side of the actuator should be positioned at the top of the actuator when valve is closed VAV Two Position Hot Water Failure Procedures VAV SVP01A EN Check binary outputs WARNING Live Electrical Components During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury In the event that the heat outputs are not energizing properly inspect the following 1 Zone temperature is at or above the heating set point e Increase the VV550 heating set point 2 Verify the output configuration in the VV550 setup menu e Unit needs to be configured as two position hot water 3 Tracer Summit has the heat output disabled Check group global and or Tracer overrides to make sure they are not inhibiting heat operation 4 Heat relays have failed e If VAV VV550 is calling in the status menu for the valve be open and it is not then check VV550 Triac output wiring and Relay output 105 e TRANE Troubleshooting e f VAV VV550 is calling in the status menu and binary output to open the valve and Triac is n
129. preferred method of control is with a modulating valve The modulating valve enables an instantaneous discharge air temperature within the dead band of the discharge air temperature setpoint The reheat capacity algorithm for modulating hot water discharge air temperature control is the same algorithm used to control modulating hot water valves for a space temperature controller Modulating Reheat Control Algorithm Proportional Integral An incremental form of the proportional integral algorithm runs once every 10 seconds and calculates the reheat capacity required to meet the discharge air temperature setpoint The required capacity is equal to valve position 75 e TRANE Sequence of Operations Freeze Protection Hot Water Only Units with hot water coils installed are susceptible to freezing It is important to prevent the water coils from freezing Freeze protection occurs only when the controller is in the Off state or during the unoccupied period when the primary air valve is closed and the reheat is disabled During occupied operation the control algorithm indirectly provides freeze protection Note See CNT SVX17 EN for details on BAS system control of VV550 controller Stand alone Controller Freeze Protection Controllers operating without communications do not have the source temperature available to them In these cases the discharge air temperature sensor is assumed to provide a reasonable representation of the coil tempera
130. r Replace components as necessary VAV Proportional Hot Water Failure Procedures 104 Check binary outputs ZNWARNING Live Electrical Components During installation testing servicing and troubleshooting of this product it may be necessary to work with live electrical components Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury In the event that the heat outputs are not energizing properly inspect the following 1 Zone temperature is at or above the heating set point Increase the VV550 heating set point 2 Verify the output configuration in the VV550 setup menu e Unit needs to be configured as proportional hot water 3 Tracer Summit has the heat output disabled Check group global and or Tracer overrides to make sure they are not inhibiting heat operation 4 Heat relays have failed e If VAV VV550 is calling in the status menu and light bulb is on for Binary output to open the valve and Triac is not closed then check VV550 Triac output wiring and Relay output Check Binary outputs See Figure 59 p 107 and Figure 60 p 108 for correct outputs Should have 24VAC if it does not measure the power input to 1 1 24VAC input and ground of the VV550 board The supply voltage should
131. r Comm5 controllers the feature is not available on the VAV VV550 Controller Flow Tracking The VV550 controller has been designed with the ability to be applied in flow tracking applications This allows the controller to pair with one of its peers to mirror the flow if that lead box with or without an offset positive or negative static pressure as desired Ventilation Flow Control w Tempering The VV550 controller has been designed with the ability to be applied in ventilation flow control applications These applications pair a fresh air unit with ventilation boxes to provide fresh tempered airto a floor area This feature also includes a freeze protection sequence to protect the hot water reheat coil from low supply air temperatures Auto commissioning Sequence The VV550 controller has been designed with an auto commissioning sequence With a discharge air temperature sensor this feature exercises the air valve fan and heat in the box and records the temperature before and after the action This allows the installer to more easily checkout the operation of the box and commission by exception Automatic Calibration The VV550 controller has been designed to automatically calibrate the flow transducer each time the boxtransitions to unoccupied This eliminates the need to initiate schedule calibration for most installations The exception is 24 7 sites in which case Tracer Summit can be used to initiate schedule calibration
132. r by the controller itself when the heat cool mode is auto When the heat cool mode is auto the controller compares the primary air temperature with the configured auto changeover setpoint to determine if the primary air is hot or cold This is called autochangeover This determination may differ from the reported heat cool mode which matches the zone demand The control compares the active space setpoint and the active space temperature and calculates the desired capacity The control positions the modulating air valve to deliver the desired airflow cooling or heating capacity Cooling Operation Under space temperature control during the cooling mode communicated heat cool mode is cool the controller attempts to maintain the active space temperature at the active space cooling setpoint Based on the controller occupancy mode the active space cooling setpoint is either the occupied cooling setpoint the occupied standby cooling setpoint or the unoccupied cooling setpoint The outputs are controlled based on the unit configuration and the required cooling capacity At 0 required cooling capacity the air valve is closed or at the active minimum flow setpoint As the required cooling capacity increases the air valve opens above the minimum position At 100 required cooling capacity the air valve opens to the maximum position or to the active maximum flow setpoint All units have a modulating air valve The modulating air valve is used
133. ransducer output voltage formula to check accuracy of reported value Read the transducer output voltage between the green and the black wires The measured value should correspond to the value given in the transducer output formula If transducer is off by 5 replace transducer 97 e TRANE Troubleshooting Duct Temperature Sensor Failure Procedures In the event that the VV550 reports an incorrect or failed Discharge or Primary air temperature properly inspect the following 1 Make sure VAV VV550 has been configured for the input 2 Discharge or Primary air temperature is higher or lower than what the VV550 reads e Check the location and installation of the sensor Change the calibration factor in the VV550 setup screens Note If sensor is off more than 2 degrees continue to number 3 3 Auxiliary sensor wired incorrectly Check wiring for the correct connections See Chapter 2 for further details on Discharge or Primary air sensor wiring 4 Defective sensor e Disconnect the sensor terminal plug from the VV550 and using an Ohmmeter measure the resistance across the auxiliary sensor wires Compare the resistance to temperature using Table 11 p 72 The resistance measured should correspond to a temperature within 2 degrees near those measured with an accurate temperature measuring device If not the sensor needs to be replaced 5 Defective wiring or VV550 See if the VAV VV550 Controller is outputting 5VDC This can be don
134. ration see Figure 5 p 22 Follow these guidelines when using a repeater e Read the Comm5 repeater installation 3270 3285 information that comes with the link repeater e For information about terminating daisy chain configurations see Termination resistance placement for Comm5 links onFigure 4 p 21 e Connect shield drain wires entering the repeater to a terminal marked with a capacitor symbol The entering shield drain wire must be connected to earth ground at the system panel e Connect shield drain wires leaving the repeater to the repeater terminal marked with an earth ground symbol VAV SVP01A EN 21 e TRANE VAV Start Up Check Out Procedure Figure 5 Alternate daisy chain configuration Termination Resistors Termination gt Resistors Notes 1 Maximum wire length for the entire configuration is 4 500 ft 1 400 m 2 Comm5 wire length limitations can be extended through the use of a link repeater see Comm5 physical link repeater Figure 6 Comm5 shield repeater connection Link repeater 24 Vac 24vac 0 To earth D ground Comm Entering shield p 1h Coming from the system panel Leaving shield should be connected to earth ground 22 VAV SVP01A EN e TRANE VAV Start Up Check Out Procedure Yellow Comm LED The yellow Comm5 LED blinks whenever another controller is transmitting However the yellow Comm5 LED does not blink when the controller
135. rom air handling equipment to the terminal unit to determine variations of installation from the plans Check for inadvertent obstructions in the ductwork such as closed fire dampers e Insure that any turning vanes filters and dampers both volume and fire are installed in the correct position e There should be a 1 5 duct diameter long run of straight ducting into the VAV units inlet e Set the outside air dampers to their minimum position e Start the supply and return air fan s e Before balancing the system ensure that there is enough CFM for all zones 1 Drive all VAV boxes MAX e Starting with each individual branch duct open all the VAV units in that branch duct to the maximum cooling position Note This can be done using Rover and its Air and Water Balance tool program by giving each VAV VV550 Controller a Drive Max command or by rotating the Zone sensor set point knob to the position and hold the TOV ON button for two seconds The damper will remain at its maximum set point until the zone sensor knob is moved back into the normal operating range 2 Readairflow atthe most remote unit In most systems this will be the VAV unit located furthest from the fan This will be the unit in the system that will be critical from an air delivery set point If airflow is not adequate increase the supply fan CFM to achieve adequate airflow e Ifthe CFM is at or above design the system can now be balanced If the meas
136. roperly inspect the following 1 Tracer Summit or Rover service tool has enabled an override function in VAV VV550 The overrides are Open Closed Min or Max Disable all overrides Note See VV550 programming and operation chapter to be able to release override with Rover service tool e VV550 is going through a recalibrate reset command This is shown in the diagnostic log in Rover service tool e Wait for calibration to finish 2 Zone temperature is greater than the heat set point or less than the cool set point 98 VAV SVP01A EN TRANE Troubleshooting e Change the heat and or cool set points 3 Actuator not driving full drive time e Drivetime in advanced configuration not set at 90 seconds on current Varitrane units e Adjust to correct damper travel time using Rover service tool See Operation and programming chapter e Damper actuator loose on shaft Tighten damper actuator set screw to damper shaft e Measure the power input to TB1 1 24VAC input and TB1 2 on the VAV VV550 Controller board The supply voltage should be between 20 and 28 VAC 24VAC cataloged However voltages at either extreme may result in system instability and cause damper to not be driven its full range e f voltage check up stream of controller to see were voltage has been interrupted See Figure 59 p 107 to Figure 66 p 114 for correct unit diagrams 4 Actuator motor has failed e Check Voltage at J1 6 to TB1 2 you should have
137. rve LED5 on the receiver Figure 14 p 33 It will light and stay constantly On when 24 V power is normal Figure 14 LED5 stays on after applying power to the receiver B HGE LED5 stays constantly On Receiver Indicates Readiness to Associate After initial power up the receiver conducts a channel scan for 10 seconds During this time the receiver selects from 16 available channels the clearest channel on which to operate LED1 LED2 and LED3 flash rapidly in succession round robin style while the channel scan is in progress Note Do not attempt association until the channel scan is finished After the channel scan is finished LED3 will begin blinking one blink pattern to show that the receiver is ready to be associated with a sensor LED3 will stop blinking when association has been established Figure 15 p 33 Figure 15 LED3 blinks when the receiver is ready to be associated with a sensor RECEIVER m co LED3 LED3 will begin to blink after 10 seconds VAV SVP01A EN 33 e TRANE VAV Start Up Check Out Procedure Powering the Sensor and Associating the Sensor to the Receiver 1 Verify that the sensor is set to the same address as the receiver it is to be associated with 2 Remove the insulation barrier which is a plastic strip located between the two batteries Figure 16 p 34
138. s greater than the configured reheat enable setpoint reheat is turned OFF until the primary air temperature drops 5 F 2 78 C below 57 S TRANE VAV VV550 Controller Device Home Tabs Instructions 58 the configured reheat enable setpoint The range for the Reheat enable setpoint for Hydronic heat is 70 F to 200 F 21 11 C to 93 33 C The range for the Reheat enable setpoint for Electric heat is 70 F to 100 F 21 11 C to 37 78 Reheat Priority Choices are Local and Remote This area is available only if the controller is using space temperature control Local Select this option to use local reheat before remote reheat Remote Select this option to use remote reheat before local reheat Fan Configuration Fan Present This dialog box should be checked if the unit has a fan Rover automatically changes the entry to 0 None When the value of this field is not None the configuration of Output 3 is set to Normally Open Fan Type Select the type of fan used by the VAV VV550 Controller If you edit the unit type field Valid Selections Parallel Series Parallel Fan Control This entry will determine if a parallel fan will be controlled based on zone temperature or on flow conditions The entry field on this line will disappear if the unit does not have a parallel fan Parallel Fan Setup If Parallel fan control has been editedto Space Temperature the fan control offset will be entered as a temperature offs
139. s not light up replace VV550 controller e Move fan relay wires from VV550 and apply 24VAC directly Fanrelay should energize If it does not energize check wiring If wiring is OK replace fan relay Notice Equipment Damage VAV VV550 Controller outputs are switched to ground Do not jumper 24VAC to J9 J10 or J11 because damage will occur 6 After all checks have been completed check motor fan winding integrity and bearing failure Failure Procedures ZAWARNING Hazardous Service Procedures The maintenance and troubleshooting procedures recommended in this section of the manual could result in exposure to electrical mechanical or other potential safety hazards When possible disconnect all electrical power including remote disconnect and discharge all energy storing devices such as capacitors before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized When necessary to work with live electrical components have a qualified licensed electrician or other individual who has been trained in handling live electrical components perform these tasks Failure to follow all of the recommended safety warnings provided could result in death or serious injury In the event that the fan output is not energizing properly inspect the following 1 Verify the output configuration in the VV550 setup menu Unit needs to be configured as parallel fan 2 Outputs on the VV550 are configured as
140. s perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury If ECM is not controlling Fan Motor properly inspect the following Note The ECM controller has 4 wire pin connector that has an enable binary output and a Variable speed analog output 1 Incorrect supply voltage No voltage e Measure the power input to 24VAC terminal and Common ground terminal of the ECM board The supply voltage should be between 19 2 and 28 2 VAC 24VAC cataloged However voltages at either extreme may result in system instability e If low or no voltage check up stream of controller to see how voltage has been interrupted See complete wiring diagrams Figure 59 p 107 to Figure 66 p 114 2 Testing Binary Output on ECM Board Measure Voltage from White to Green wire on connector Should be between 9 to 30VDC If not replace ECM 3 Testing Analog variable speed output On ECM DCU change board selector switches to 0 on each one of the switches to give you a 10096 output signal On ECM VCU adjust potentiometer until Led s read a 10096 output Measure voltage from green to red wires on 4 pin connector and document See Figure 65 p 113 to Figure 66 p 114 for correct unit wiring diagram e Should measure above 9VDC e Change ECM DCU board selector switches to 9 on tens digit and 9 on units digit to give you a 99 output signal On ECM VCU adjust p
141. set points depending on space conditions Additionally fan and heat outputs may be energized depending on the application The VAV VV550 Controller programmed for ventilation flow control is applied to a VAV terminal and used to temper cold outdoor air OA that is brought into a building for ventilation purposes The tempered air is intended to supply an air handling unit AHU which provides comfort control to the zones it is serving The VAV terminal supplies the correct amount of ventilation air and when reheat is added tempers the ventilation air to reduce the load on the air handler by sensing the discharge air temperature of VAV unit The VAV VV550 Controller programmed for Flow Tracking Control FTC has two VAV VV550 Controllers working together to provide flow tracking control One VAV VV550 controller is programmed from the factory with the Space temperature program and the other is downloaded with the Flow tracking program The space temperature controller airflow output is bound to the flow tracking controller airflow setpoint input The flow tracking controller adds the configured airflow tracking offset positive or negative to the airflow setpoint communicated airflow setpoint and controls the airflow to this setpoint The VAV VV550 Controller utilizes an FTT 10A Free Topology transceiver which supports non polarity sensitive free topology wiring which allows the system installer to utilize star bus and loop architectures A
142. ss of the job City Type the name of the city where the job is located State Type the name of the state or province Zip Code Type the postal zip code Project Number Type the project number for the job Description Type of description of the job or link 81 S TRANE Air and Water Balancing 82 Technician Type the name of the technician performing the air and water balancing Date The default value is the date on which the job was created in the Air and Water Balancing tool You can change this to a different date Select Job Units Click Inch Pound to use cubic feet per minute cfm to measure airflow Click International System to use SI units such as liters per second L s to measure airflow The units you select are used only for reporting purposes in the Air and Water Balancing tool they do not affect the units used in the controller or in Rover Commb Change Airflow Units button This button appears only if you select to use Sl units Click this button to select one of the following SI units of measurement e Liters per second L s e Cubic meters per second m3 s e Cubic meters per minute m3 min Airflow Units The selected SI units of measurement for airflow This field appears only when Sl units are selected Save button Click this button to save any changes you have made to the job information Create Report button Click this button to create a balancing report Open Another Job
143. t 5 F 2 78 C e Local heat minimum airflow is used for both local and remote reheat Pulse Width Modulation of Electric Heat One to three stages of pulse width modulation of electric heat are available on single duct units and fan powered units up to two stages are available for PWM heat control Energizing for a portion of a three minute time period modulates the electric heater This allows exact load matching for energy efficient operation and optimum zone temperature control The heating minimum airflow setpoint is enforced during reheat The amount of reheat supplied is dependent on both the degree that the space temperature is below the active heating setpoint and the time that the space temperature has been below the active heating setpoint If not already off reheat de energizes when the zone temperature rises more than 0 5 F 0 28 C above the heating setpoint The Stage 1 on time is proportional to the amount of reheat required For example when 50 of stage 1 capacity is required reheat is on for 90 seconds and off for 90 seconds When 75 of stage 1 capacity is required reheat is on for 135 seconds and off for 45 seconds When 100 of stage 1 capacity is required reheat is on continuously Stage 2 uses the same on time logic as stage 1 listed above except stage 1 is always energized For example when 75 of unit capacity is required stage 1 is energized continuously and stage 2 is on for 90 seconds and off for 90 sec
144. terminal and used to temper cold outdoor air OA that is brought into a building for ventilation purposes The tempered air is intended to supply an air handling unit AHU which provides comfort control to the zones it is serving The VAV terminal supplies the correct amount of ventilation air and when possible tempers the ventilation air to reduce the load on the air handler See Table 13 p 74 for ventilation flow control output control Table 13 Ventilation flow control outputs Occupancy mode Source temperature Air valve control Reheat control Occupy standby bypass staged reheat control Constant volume if valid communicated ventilation setpoint if not valid configured ventilation setpoint Staged hot water VFC staged reheat control VFC modulating reheat control same as STC capacity control Modulating hot water Communicated source temperature if valid if not valid discharge air temperature greater than configured OA low limit Off Off Off Electric Closed 0 Staged hot water Modulating hot water Unoccupied Communicated source temperature if valid if not valid discharge air temperature less than configured OA low limit Off On 100 freeze protection On 100 freeze protection Electric Closed 0 Staged hot water Modulating hot water 74 The ventilation flow control process is a constant volume
145. terminals TB3 2 and TB3 3 and measure the VDC It should be 5VDC If you have 5VDC at the VV550 the wires going to the zone have an open If 5VDC is not present check incoming power to the VV550 board on TB1 1 24VAC input and TB1 2 Voltage should measure 24VAC 10 If you measure the proper voltage at on 1 1 24VAC input and TB1 2 and no voltage at TB3 2 and TB3 3 replace VV550 4 Zone sensor setpoint is shorted out Check the resistance across the wires Disconnect wires from VV550 and zone sensor making sure the ends are not touching each other and measure resistance It should be infinity or no conductivity If lower resistance is shown wires are shorted together and needs to be replaced Wireless Zone Sensor Failure Procedures In the event that the VV550 reports an incorrect zone Temperature setpoint properly inspect the following VAV SVP01A EN Note No special tools or software are necessary to service and test the wireless zone sensor system The system can be testing by using the following 1 LEDs 1 2 3 and 5 on the sensor and on the receiver 2 The Test button S5 on the sensor 3 The address test mode on the receiver and 4 Acommon volt ohm meter Figure 55 Wireless sensor set components with base plates removed
146. tes Solid green for 5 seconds Battery condition is adequate for proper operation Press Test Solid red for 5 seconds Battery condition is low Batteries should be replaced Button SS No light Batteries are totally dead or not installed properly or sensor is defective None Blinking red 1 blink pattern repeated 5 times Cycle repeats every 15 minutes Battery condition is low Approximately 14 days of operation remain before the battery is too weak to power the sensor Note 1 Blink pattern is On for s Off for 3 4 s with 2 s Off between repetitions VAV SVP01A EN TRANE Troubleshooting Table 23 Signal quality LED1 LED2 LED3 on the sensor User Action LED Display Indicates LED1 Off None LED2 Off haoi A ress LED3 Off d Press Test LED1 Off Associated no communication with receiver Button SS LED2 Off Associated but no signal from the receiver after LED3 Off pressing Test button LED1 On Press Test LED2 On Excellence signal quality Button SS LED3 On Adequate signal margin for reliable communication Displays for 5 seconds then constantly off LED1 Off Marginal signal quality Press Test LED2 On Reduced battery life likely Button SS LED3 On Consider moving the sensor or receiver to a better Displays for 5 seconds then constantly off location LED1 Off Poor signal quality Press Test LED2 Off Unreliable communication B
147. the active heating setpoint by 0 5 F 0 28 C An additional on off remote heat output is available and energized when the proportional valve is driven 100 open and de energized when the proportional valve reaches 50 open When reheat is de energized the cooling minimum airflow setpoint is activated See Table 11 p 72 for single duct reheat operation and Table 12 p 72 for fan powered reheat operation 71 e TRANE Sequence of Operations Table 11 Local heat only with no fan present Configuration Method of control Local Remote Stage 1 Stage 2 Stage 3 PWM electric 1 to 3 stages Local PI capacity loop Each stage represents an equal percentage of total capacity PWM Output one stage 100 two stages 50 each three stages 33 33 each Total capacity is limited by communicated auxiliary heat enable Not applicable Local thermostatic On Zt lt HSP 2 F Off Zt 2 HSP 1 5 F On Off electric Local thermostatic 1 to 3 stages Local thermostatic On Zt lt HSP On Zt lt HSP 1 F 0 56 C Off Zt 2 HSP 0 5 F 0 28 C Off Zt 2 HSP 0 5 F 0 28 C Not applicable Each stage represents an equal percentage of total capacity Total capacity is limited by communicated auxiliary heat enable On Off hot water 1 stage Local thermostatic On Zt lt HSP Off Zt 2 HSP 0 5 F 0 28 C Not applicable Not applicable Not applicable Total capacity is limited b
148. the primary air valve auxiliary 3 Turn on the fan if present temperature 4 Monitor auxiliary temperature for 3 minutes or until it changes by 10 F 5 Record the auxiliary temperature Local Reheat 1 If no fan is present open the air valve to the configured minimum local heating airflow Starting and ending Hydronic b 2 If the fan is present close the air valve and turn on the fan auxiliary 3 Record the auxiliary temperature temperature 4 Open the water valve to 100 open 5 Monitor the auxiliary temperature for 10 minutes or until it changes by 10 F Local reheat RE electric b 1 If no fan is present open the air valve to the configured minimum local heating airflow Starting auxiliary 2 If the fan is present close the air valve and turn on the fan temperature and 3 Record the auxiliary temperature auxiliary y p temperature for 4 Progressively turn on each local stage 30 seconds after the previous stage until all stages are energized 5 Record the auxiliary temperature 30 seconds after each stage is energized each local stage of electric heat energized a If there is no flow sensor the controller runs in pressure dependent mode and record 40 and 100 during this auto commissioning step b Requires a functional auxiliary sensor in the discharge air stream The auxiliary sensor must be configured for discharge air temperature VAV SVP01A EN 49 S TRANE VAV VV550 Controller Programming
149. the startup checkout and balancing of VAV systems This application is specifically designed for the balancing contractor Service Pin from the Trane Zone Sensor Several Commb installation and commissioning scenarios have the technician pressing the service button on the controller By doing so a service pin message is broadcast and received by either the Rover service tool or by Tracer Summit depending on the scenario Because access to the service button on the controller is often difficult functionality has been included in the controller that allows the technician to press and hold the ON button on the zone sensorto replicate a service button press Trane Controller Compatibility The VV550 is a Commb controller As such the controller is compatible with the latest generation of Trane controls This allows the VV550 controller to exist on the same communication wire as the rest of our controllers and share data with them as required Additional inputs and outputs can easily be added to the same communication link Tracer MP503 for any required auxiliary functions In the past the cost of adding additional inputs and outputs Comm4 link by way of a UPCM was much less cost effective Drive Min and Max from Zone Sensor When applied with a Trane zone sensor module that includes a thumbwheel setpoint the VV550 controller can easily be overridden to minimum and maximum flow By simply turning the thumbwheel to end of rang
150. tion per stage to the circuit board power requirement For example a Series F unit containing magnetic contactors with three stages of reheat would consume 42 VA Table 3 VA for factory installed components Style Volt Amps F Style Actuator 4VA Air Valve Actuator C through E Style 12 VA Varitrac Actuator VA Fan Power Fan Output 6 VA Hot Water Proportional 4 VA Hot Water 2 Position 6 5 VA Electric Heater Magnetic Contactor 10 VA Electric Heater Mercury Contactor 12 VA 15 e TRANE VAV Start Up Check Out Procedure 16 Note VariTrane and VariTrac cooling only Series D and E models consume 20 VA 12 VA for the actuator and 8 VA for the board The heating output ratings remain the same Refer to Figure 2 p 17 and Figure 3 p 18 for VAV VV550 Controller terminal locations and Figure 59 p 107 through Figure 66 p 114 for wiring of output devices Light Emitting Diode LED Operations Green Status LED The green status LED is typically used to indicate whether or not the controller is powered On 24VAC This is the only LED under direct software control The green status LED is Off when you press the Test button The green status LED blinks during manual output testing Table 4 p 16 shows and describes the green status LED activity Table 4 Green status LED activity Green status LED activity Description On Off Power On normal operation One of the following Power
151. to control the volume of air flowing through the diffusers and into the space Modulating the volume of air modulates the unit cooling capacity Also units may have local or remote reheat The reheat may be hydronic or electric Reheat is allowed to turn On when the space temperature is below the heating setpoint Heating Operation VAV SVP01A EN Under space temperature control during the heating mode communicated heat cool mode is heat the controller attempts to maintain the space temperature at the active heating setpoint Based on the controller occupancy mode the active space heating setpoint is either the occupied heating setpoint the occupied standby heating setpoint or the unoccupied heat setpoint All ventilation requirements are in force during occupied heating and cooling The outputs are controlled based on the unit configuration and the required heating capacity At 0 required heating capacity the air valve is at its minimum flow setpoint As the required heating 69 e TRANE Sequence of Operations capacity increases the air valve opens above its minimum position At 10096 required heating capacity the air valve opens to its maximum position All units have a modulating air valve The modulating air valve is used to control how much air is flowing through the diffusers and into the space By modulating the volume of air flowing the unit heating capacity is modulated Units may also have local or remote reheat T
152. to work with live electrical components Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury 1 Incorrect supply voltage No voltage e Check Green Status LED e Shows solid green when the VV550 is powered and operating normally e f Green Status LED is off check incoming power Measure the power input to VV550 board on TB1 1 24VAC input and ground TB1 2 The supply voltage should be between 19 and 30 VAC 24VAC cataloged However voltages at either extreme may result in system instability e f no voltage check up stream of controller to see were voltage has been interrupted See complete wiring diagrams Figure 59 p 107 to Figure 66 p 114 2 Communication link signal has interference e Communication link should not be routed near or with any voltage source 3 Incorrect wire used Recommended wire is twisted shielded pair See VAV Startup Check out Procedure chapter for the wiring specifications for VV550 e Check device using Rover service tool to see if VV550 is operating properly If VV550 does operate properly check inputs outputs for a short 4 Forfinal step check program by downloading good program using Rover Service tool See the Saving VAV Program portion of the VAV VV550 Controller Programm
153. tom of the sensor Figure 17 p 35 2 View LED1 LED2 and LED3 to determine the strength of the signal View LED5 to determine the strength of the battery Note The LEDs will turn Off after 5 seconds to conserve battery strength 3 Record the results in your commissioning statement Figure 17 Wireless sensors Model WTS and WZS sensors Model WDS sensors Yal all E Ya Yal cr Jp oy i LEDS gt in E all 650 a Cv i Bc cM SS Test button 3 i t then release Disassociation The receiver removes all stored association information conducts a channel scan and restarts itself if any of the following are true e The receiver address is changed from its current setting 001 999 e The receiver receives a disassociation notification from its associated sensor e The receiver does not receive a communication from its associated sensor within 35 minutes Configuring the Wireless Sensor Model Digital Display WDS only The configuration of the sensor determines which system features can be accessed and changes can be made by the tenant for example changes to cooling heating mode setpoint or fan speed Verify system and associated unit features before configuring the sensor VAV SVP01A EN 35 S TRANE VAV Start Up Check Out Procedure The building owner or operator may choose to limit tenant access to certa
154. troller UL 873 and CSA C22 2 No 24 93 Temperature Indicating and Regulating Equipment VAV VV551 Controller UL916 PAZX energy management CULC22 2 signal devices Canada UL 94 5V UL flammability rating for plenum use FCC Part 15 Class A CE marked Mounting Typically the VAV VV550 Controller is factory installed However the VAV VV550 Controller is available with retrofit kits in which case it must be field installed and it s named VV551 Tracer Summit and VV550 Communications Link Wiring Use 22 AWG Level 4 unshielded communication wire for most Commb installations Limit Comm5 links to 4 500 ft and 60 devices maximum without a repeater Use one repeater for an additional 4 500 ft 60 devices and 8 communication stubs Refer to Chapters 2 and 3 for further information about wire selection S TRANE General Information VV550 Enhancements Controller Interface Flexibility VV550 controller allows VAV units to communicate a Trane Commb or LonTalk This controller works in standalone mode peer to peer with one or more other units or when connected to a Trane Tracer Summit or a 3rd party building automation system that supports LonTalk Manual Test Function The VV550 controller includes a manual test button that allows the field technician to manually exercise the outputs of the controller This feature is simple enough for the electrician to use to check valve operation Though this feature is standard on othe
155. ture at conditions with no airflow if the sensor is close to the coil If the discharge air temperature at no airflow falls below the configured outdoor air low limit the hot water valve is fully opened The hot water valve remains open until the discharge air temperature is 10 F 5 56 C above the configured outdoor air low limit or occupied operation begins If the communicated source temperature is invalid and the local discharge air temperature sensor has failed freeze protection is active and the water valve is open Unoccupied Ventilation Flow Control The controller closes the air valve Local electric heat and hot water heat are disabled The hot water valves open if needed for freeze protection The operation of freeze protection for local hot water heat depends on whether the controller is operating as a network controller or a stand alone controller Table 15 p 76 shows unoccupied VFC control freeze protection for hot water reheat Table 15 Unoccupied VFC control freeze protection for hot water reheat Controller operation Hot water valve Air valve position Condition position Networked and valid communicated source temperature Closed no flow Communicated source temperature greater than configured outdoor air low limit Closed Communicated source temperature less than or equal to configured outdoor air low limit freeze protection active diagnostic Open to 100 with 10 F hysteresis Stand alone coil t
156. uilding automation system use Table 1 p 12 and Table 2 p 13 for your points list Table 1 Input output listing Input Description Input SNVT type Output description Output SNVT type Space temperature nviSpaceTemp SNVT temp p Space temperature nvoSpaceTemp SNVT temp p Setpoint nviSetpoint SNVT temp p Unit status mode nvoUnitStatus SNVT hvac status Occupancy schedule nviOccSchedule SNVT tod event Effective setpoint nvoEffectSetpt SNVT temp p E manual nviOccManCmd SNVT_occupancy Effective occupancy nvoEffectOccup SNVT_occupancy Occupancy sensor nviOccSensor SNVT_occupancy Heat cool mode nvoHeatCool SNVT_hvac_mode Application mode nviApplicMode SNVT_hvac_mode Setpoint nvoSetpoint SNVT_temp_p Heat cool mode input nviHeatCool SNVT hvac mode Discharge air nvoDischAirTemp SNVT temp p temperature Fan speed command nviFanSpeedCmd SNVT switch Terminal load nvoTerminalLoad SNVT lev percent Auxiliary heat enable nviAuxHeatEnable SNVT switch Space CO2 nvoSpaceCO2 SNVT ppm Valve override nviValveOverride SNVT hvac overid m air flow nvoEffectFlowSP SNVT_flow Flow override nviFlowOverride SNVT_hvac_overid Air flow nvoAirFlow SNVT_flow Emergency override nviEmergOverride SNVT_hvac_emerg File table address nvoFileDirectory 2 SNVT address Source temperature nviSourceTemp SNVT temp p Object status nvoStatus SNVT_obj_status Space CO2 nviSpaceCO2 SNVT ppm Alarm message nvoAlarmMessage SNVT str asc Clear al
157. unt of airflow desired during this mode VAV SVP01A EN S TRANE VAV VV550 Controller Device Home Tabs Instructions Standby Heating Minimum Airflow Occupied standby mode is used to reduce the heating and cooling demands during the occupied hours when the space is unoccupied It can be activated for a classroom currently not in use Standby Heating Minimum is the minimum amount of airflow desired when in the heat mode during this mode Heating Minimum Airflow The VV550 will not drive its position flow below this value under normal operating conditions while in the HEAT mode warm air in the supply duct or while it is using local heat Heating Maximum Airflow The controller enters maximum flow heat on receipt of a communicated command and remains in maximum flow heat until the command changes The controller maintains the flow rate at the heating maximum airflow This is normally used with a rooftop unit with staged heat that needs a Max constant volume of air movement to keep the heat exchanger from overheating and tripping the heat in the rooftop unit tripping on a high limit safety Local Heat Minimum Airflow If the Min Local Heat flow is enabled then the Min Local Heat flow is used to determine the minimum position flow instead of the Min Heating Flow when local heat is on The entry for Min Heating Flow must be less than or equal to the entry for the Maximum Flow Air Valve Setup Minimum Position Setpoint Type the minimum pos
158. upancy Select this option to use binary input 1 to detect the occupancy mode from an occupancy sensor Generic Select this option to use binary input 1 as a generic input Not Used Select this option if binary input 1 is not used Device Contacts Normally Open Select this check box if the device contacts are normally open Analog Input 1 This area displays Space Temperature Sensor when the analog input is connected to a zone sensor Analog input 1 can be used only to read the space temperature from a zone sensor The controller can receive the space temperature from either analog input 1 or as a communicated value If both are present the controller uses the communicated space temperature Analog Input 2 This area displays Space Setpoint when the analog input is connected to a zone sensor This input can be used only to read the local space temperature setpoint from the zone sensor Analog Input 3 This area displays Airflow Sensor when the analog input is connected to an airflow sensor The controller can operate without a valid airflow value either hardwired or communicated Analog Input 4 Select the application used with analog input 4 The sensor must be a 10 k thermistor Primary Supply Air Sensor Select this option if the sensor measures the primary air temperature In this case the sensor must be located upstream from the unit The controller can receive the primary air temperature from the analog input or as a communicated
159. ur occupancy modes are e Occupied mode e Unoccupied mode e Occupied standby mode e Occupied bypass mode Control Mode Field This is were the controller will display the heating or cooling mode of the controller The controller can receive communicated requests for heating or cooling operation Field options are Heating Cooling and Calibration Pressure Dependent or Independent Mode This is were the controller will display if it has a valid flow input to the controller from the flow ring and pressure transducer The controller can operate with or without a valid flow value either hardwired or communicated It operates under pressure dependent control or pressure independent control Pressure dependent control When a valid flow value is not present the controller operates under pressure dependent control position control Pressure dependent control substitutes the air valve position for the flow measurement for all control actions 45 S TRANE VAV VV550 Controller Programming and Operation Pressure independent control When a valid flow value is present the controller operates under pressure independent control If after an airflow sensor failure the airflow returns to the valid range airflow value greater than 10 of configured nominal airflow the controller automatically resumes pressure independent control Initiate Calibration button The calibration sequence enables the controller to calibrate the air valve pos
160. ured CFM is below design insure the VariTrane unit is in full cooling position e Ifthe air delivery through this VariTrane unit is still below the design requirements increase the supply fan CFM to achieve adequate airflow Note To increase supply fan CFM check to make sure VFD IGV are giving max output If not at max output adjust discharge static setpoint until at max output If already at max output then VAV SVP01A EN e TRANE Air and Water Balancing make the required adjustments to pulley sizes motor sizes and electrical connections to accommodate fan speed changes If any adjustment have been made repeat step 2 e If after adjusting the fan to its maximum capacity there is still a shortage of airflow shut off part of the system to provide enough airflow to balance the other part of the system This can be done using Rover or the Override to Unoccupied command at the zone sensor 3 After determining that there is enough CFM for all zones drive all the VAV boxes to MIN Note If the VAV boxes have already been assigned to groups and these groups are separate thermal zones then the balancing can be done on a group basis VAV Single Duct Unit Air Balancing Select a group to balance and give the VAV units a recalibrate command and then the group a flow override Drive MAX command Note If the VAV boxes have not been placed in a group each individual VV550 Controller can be overridden to Drive MAX in the Overr
161. ures N WARNING Hazardous Service Procedures The maintenance and troubleshooting procedures recommended in this section of the manual could result in exposure to electrical mechanical or other potential safety hazards When possible disconnect all electrical power including remote disconnect and discharge all energy storing devices such as capacitors before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized When necessary to work with live electrical components have a qualified licensed electrician or other individual who has been trained in handling live electrical components perform these tasks Failure to follow all of the recommended safety warnings provided could result in death or serious injury In the event that the air valve is reading position instead of flow or in the event that the measured flow reads incorrectly i e different from the balance report properly inspect the following 96 Recalibrate VAV unit by cycling power to unit This can also be accomplished with Rover service tool or Tracer Summit To Calibrate Note Cycling power to the VAV board will automatically cause the unit to calibrate however following the procedure outlined below will provide a more accurate calibration It is only necessary to perform this procedure in instances where you are experiencing incorrect flow readings or if the unit reverts to pressure dependent mode despite being above 5 a
162. utton SS LED3 On Strongly recommend moving the sensor or receiver to Displays for 5 seconds then constantly off a better location Figure 56 Receiver wiring connections OPTIONAL FACTORY INSTALLED WIRELESS BL Py 216 _ _ GND im em T T GND HH Note When checking signal strength both LED1 and LED3 on the receiver and sensor should illuminate in unison if the sensor and receiver are associated Use this feature to confirm association If not associated see setup procedures in Wireless chapter If unit still does not work proceed in checking Receiver and sensor with testing procedures below 2 Procedure for Testing the Receiver Make sure the receiver is powered e Setthe receiver address to 000 to force the zone temperature output and zone temperature setpoint output to their test mode values see Table 24 p 94 VAV SVP01A EN 93 e TRANE Troubleshooting 94 Table 24 Output failure modes of operation Situation Zone Temperature Output Zone Setpoint Output Receiver address 000 11 17 72 5 F 22 5 C indefinitely 451 Q 72 5 F 22 5 C indefinitely Receiver address 001 to 999 Receiver has powered up but has not received a communication from sensor 11 17 72 5 F 22 5 C 451 Q 72 5 9F 22 5 C Receiver address 001 to 999 Receiver does not receive a communication within 35 minutes
163. vailable inputs include a twisted shielded communication link zone sensor auxiliary temperature sensor optional and Occupy Unoccupied Sensor optional and 24VAC power 6 VAV SVP01A EN e TRANE General Information Specifications VAV SVP01A EN Power Requirements The UCM VV550 requires 18 32 Vac 24VAC nominal 50 60 Hz and up to 50 VA depending on the number of heat outputs stages which consume 10 VA each Operating Environments VAV VV550 Controller 32 to 140 F 0 to 60 C 5 to 90 relative humidity non condensing Storage Environments VAV VV550 Controller 40 to 185 F 40 to 85 C 5 to 90 relative humidity non condensing From 5 to 95 non condensing Relative humidity From 5 to 95 non condensing Analog Inputs Space temperature thermistor 10 kQ 77 F 25 C From 14 to 122 F 10 to 50 C Space setpoint potentiometer 1 From 50 to 90 F 10 to 32 2 C Primary discharge air temperature thermistor 10 77 F 25 C From 40 to 212 F 40 to 100 C Primary air flow pressure transducer From 0 to 2 in water 0 to 498 Pa Binary Input Occupancy or generic dry contact Binary Outputs Air valve close maximum output rating 12 VA Air valve open maximum output rating 12 VA Heat stage 1 maximum output rating 12 VA Heat stage 2 maximum output rating 12 VA Heat stage 3 Fan on off maximum output rating 12 VA Agency Listings Compliance VAV VV550 Con
164. verride TOV on cancel button Also can be ordered for Celsius and Fahrenheit setpoint adjustment Part Number X13790492010 F Digital Display wireless zone sensor Part Number X13790822010 Zone Sensor Wiring Location and Mounting A zone sensor in each control zone should be located in the most critical area of the zone Sensors should not be mounted in direct sunlight or in the area s supply air stream Subdivision of the zone may be necessary for adequate control and comfort Avoid mounting zone sensors in areas subject to the following e Drafts or dead spots behind doors or corners e Hot or cold air ducts e Radiant heat from the sun or appliances e Concealed pipes or chimneys e Unheated or uncooled surfaces behind the sensor such as outside walls e Air flows from adjacent zones or other units Wiring Each unit must be controlled by a zone sensor that is designated specifically for use with the VAV VV550 Controller Field wiring for the zone sensors must meet the following requirements e Must be 14 to 18 AWG e Refer to Figure 2 p 17 and Figure 3 18 and the sensor instructions for terminal connections e flocal codes require enclosed conductors the zone sensor wires should be installed in conduit Do not route zone sensor wires in conduit with 24VAC or other high power conducting wires Zone sensor comm stubs For the most reliable communications limit the number of zone sensor communication stubs to 8 per Commb l
165. y communicated auxiliary heat enable Not applicable Not applicable Local PI capacity loop Modulating valve capacity Total capacity Valve drive Incrementally open closed Total capacity limited by communicated auxiliary heat enable Modulating hot water Not applicable Not applicable Note Abbreviations Zt Zone temperature HSP Heating setpoint Table 12 Local heat only with parallel series fans present Configuration Method of control Local Remote Stage 1 Stage 2 Stage 3 Fan Not applicable Parallel Series Fans Not applicable Not applicable Fan Not applicable Parallel Series Fans Local PI capacity loop PWM electric Each stage represents an equal percent of total capacity 1 stage 100 2 1 to 2 stages stages 50 each PWM output Total capacity is limited by communicated auxiliary heat enable Fan On Off electric 1 to 2 stages Not applicable Parallel Series Fans Local thermostatic On Zt lt HSP 1 F 0 56 C Off Zt 2 HSP 0 5 F 0 28 C Local thermostatic On Zt lt HSP 2 F 1 11 C Off Zt 2 HSP 1 5 F 0 83 C Each stage represents an equal percentage of total capacity Total capacity is limited by communicated auxiliary heat enable Fan On Off hot water 1 to 2 stages Not applicable Parallel Series Fans Local thermostatic On Zt lt HSP 1 F 0 56 C Off Zt 2 HSP 0 5 F 0 28 C Not applicable
166. y to minimize the number of barriers between the pair of devices In general sheetrock walls and ceiling tiles offer little restriction to the propagation of the radio signal throughout the building concrete or metal barriers offer the most restriction The transmission range for the sensor is as follows e Open range 2 500 ft 762 m packet error rate 2 e Usable range 200 ft 61 m e Typical range 75 ft 23 m Ambient considerations Avoid locations that are outside the operating temperature and humidity range Location Considerations for the Sensor When selecting a location for the sensor consider both thermal and radio transmission characteristics of the location Thermal considerations e Avoid areas of direct sunlight e Avoid areas in the direct air stream of air diffusers e Avoid exterior walls and other walls that have a temperature differential between their two sides e Avoid areas close to sources of heat such as sunlight appliances or other equipment e Avoid drafty areas e Avoid dead spots behind doors projection screens or corners Radio transmission considerations e Avoid metal barriers between the sensor and receiver such as plastered walls with metal lathe They will decrease radio signal quality e Avoid placing the sensor inside metal enclosures e Avoid radio transmissions through thick solid concrete walls Setting the Rotary Address Switches on the Receiver and the Sensor VAV SVP01A EN

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