Carrier VVT Bypass II Installation And Startup Manual Download Page 4

Page: 4 / 52

Contents

Appendix A: VVT Bypass II Points/Properties ......................................................................................................... 40

Status................................................................................................................................................................... 40

Unit Configuration .............................................................................................................................................. 40

Maintenance ....................................................................................................................................................... 42

Alarms ................................................................................................................................................................. 43

Linkage ................................................................................................................................................................ 43

I/O Points ............................................................................................................................................................ 44

Appendix B: BACnet points list ................................................................................................................................ 45

Document revision history ........................................................................................................................................ 46

Summary of Contents for VVT Bypass II

Page 1: ...n nt tr ro ol ll le er r I In ns st ta al ll la at ti io on n a an nd d S St ta ar rt t u up p G Gu ui id de e CARRIER CORPORATION 2019 A member of the United Technologies Corporation family Stock sym...

Page 2: ...ur local Carrier office Important changes are listed in Document revision history at the end of this document CARRIER CORPORATION 2019 All rights reserved throughout the world i Vu is a registered tra...

Page 3: ...Rnet port 20 Wiring the TruVu ET Display to the Rnet port 21 Start up 22 Configuring the VVT Bypass II s properties 22 Performing system checkout 23 Bypass damper 23 Variable frequency drive VFD 24 S...

Page 4: ...Contents Appendix A VVT Bypass II Points Properties 40 Status 40 Unit Configuration 40 Maintenance 42 Alarms 43 Linkage 43 I O Points 44 Appendix B BACnet points list 45 Document revision history 46...

Page 5: ...FD NOTE The VVT Bypass II controller is available in both English or Metric units The metric version has M appended to the part number Everything in this document applies to both versions The i Vu Con...

Page 6: ...n VVT Bypass II Controller CARRIER CORPORATION 2019 Installation and Start up Guide All rights reserved 2 NOTE This document gives instructions for field installation of a VVT Bypass II in an i Vu Con...

Page 7: ...d as the controller Output resolution 8 bit D A Integral airflow sensor Precision differential pressure sensor 0 2 in H2O sensitive down to 0 001 in H2O Barbed tapered airflow connections accept 3 16...

Page 8: ...nting hole centerline to actuator mounting hole centerline Controller overall dimensions Width Height Depth 6 4 in 16 3 cm 5 7 in 14 5 cm 2 1 in 5 3 cm Controller mounting dimensions 5 3 in 13 4 cm fr...

Page 9: ...ation safety devices and emergency procedures Good judgment should be used in applying any manufacturer s instructions to avoid injury to personnel or damage to equipment and property WARNING Electric...

Page 10: ...e 12 3 Set the controller s address page 14 4 Wire the controller to the BACnet MS TP or BACnet ARC156 network page 14 5 Wire the inputs and outputs page 16 Field supplied hardware Each VVT Bypass II...

Page 11: ...s reserved 7 Mounting the VVT Bypass II Mount the VVT Bypass II on the bypass duct damper actuator shaft For service access allow at least 1 foot 3 m of clearance between the front of the controller a...

Page 12: ...from the controller by inserting a screw driver in the slot on the back of the VVT Bypass II and pressing the tab The actuator cable or an attached extension cable must connect to the controller s Ac...

Page 13: ...ont of the controller and adjacent surfaces 3 Secure the controller and the actuator by installing the screws anti rotation slot s bushings and o rings that are supplied with the VVT Bypass II O ring...

Page 14: ...re shipped with the VVT Bypass II Overtightening the screws so that the controller and actuator cannot move may damage the unit 4 Hold down the controller s damper release button and rotate the actuat...

Page 15: ...hten the screw 8 Hold down the actuator damper release button rotate the damper to verify that it fully opens and closes then release the button 9 10 Connect the tube provided to the controller s High...

Page 16: ...return Wiring the VVT Bypass II for power WARNING Do not apply line voltage mains voltage to the controller s ports and terminals CAUTIONS The VVT Bypass II is powered by a Class 2 power source Take...

Page 17: ...wer supply 3 Pull the screw terminal connector from the controller s power terminals labeled Gnd and 24 Vac 4 Connect the transformer wires to the screw terminal connector 5 Apply power to the power s...

Page 18: ...ch to the ones digit EXAMPLE If the controller s address is 25 point the arrow on the Tens 10 s switch to 2 and the arrow on the Ones 1 s switch to 5 10 s 1 s 1 3 4 5 2 7 8 9 6 0 1 3 4 5 2 7 8 9 6 0 C...

Page 19: ...w terminals labeled Net Net and Shield NOTE Use the same polarity throughout the network segment 4 Set the communication type and baud rate For Set BACnet ARC156 or MS TP jumper to Set DIP switches 1...

Page 20: ...cable Do not pull or draw cable with a force that may harm the physical or electrical properties Avoid splices in any control wiring Wiring a Duct Air Temperature sensor to an input Part 33ZCSENDAT T...

Page 21: ...elow NOTE Sensor wiring does not have polarity The wires can be connected to either terminal 2 Using electrical tape insulate any exposed wire to prevent shorting Wiring field supplied actuators to th...

Page 22: ...ler s 45 in lb 5 Nm actuator NMX24 MFT P 10028 90 in lb 10 Nm actuator with 0 10 Vdc control and 0 10 Vdc feedback AMX24 MFT P 10028 180 in lb 20 Nm actuator with 0 10 Vdc control and 0 10 Vdc feedbac...

Page 23: ...r parameters coincide LMX24 MFT P 10028 45 in lb 5 Nm actuator with 0 10 Vdc control NMX24 MFT P 10028 90 in lb 10 Nm actuator with 0 10 Vdc control AMX24 MFT P 10028 180 in lb 20 Nm actuator with 0 1...

Page 24: ...urce with the Carrier controller as long as you Maintain the same polarity User the power supply only for Carrier controllers You can also wire an external 10 kOhm Type II thermistor Carrier part 33ZC...

Page 25: ...ce 100 feet 30 meters CAUTION The TruVu ET Display can share a power supply with the Carrier controller as long as The power supply is DC power You maintain the same polarity You use the power source...

Page 26: ...tallation and Setup Guide for detailed instructions CAUTION If multiple controllers share power but polarity was not maintained when they were wired the difference between the controller s ground and...

Page 27: ...the damper is fully closed d Click Damper Full Open then verify that the damper is fully open e Click Zero Cal to close the bypass damper and zero the pressure sensor When Done appears click Apply f...

Page 28: ...that the low pressure connector is not blocked 5 Calibrate the VFD and pressure sensor a Disable the air source heating cooling and fan outputs using one of the following methods Physically disconnec...

Page 29: ...ue next to the button then click Apply j Remove the magnehelic gauge from the High connector then reinsert the pressure tubing k Click Automatic Control to return the bypass to normal control l Enable...

Page 30: ...modes Fire shutdown or evacuation mode The bypass damper will be fully open If controlling a VFD the VFD output will be at 0 Pressurization mode The bypass damper will be fully closed If controlling...

Page 31: ...or VFD is commanded to maximum speed after 1 minute the controller assumes that the equipment fan turned off The bypass damper then modulates to 65 open and the VFD speed is commanded to 35 3 5 volts...

Page 32: ...n and providing cooling using only the economizer and usually during an unoccupied period The terminal modulates its primary air damper to maintain the midpoint between the configured occupied heating...

Page 33: ...ring occupancy Time Synch Sensitivity seconds When the controller receives a time sync request if the difference between the controller s time and the time sync s time is greater than this field s val...

Page 34: ...xcessively EXCEPTION In rare circumstances such as process control a subscribing object may require COV updates more frequently than once per second For these situations clear this checkbox but make s...

Page 35: ...ase In the i Vu interface on the Alarm Enable Disable tab change the acknowledgment settings for an alarm source or an alarm category Recipient List Recipients The first row in this list is from the i...

Page 36: ...m properties or set delays for the following BACnet alarms Common alarms Module Halted All Programs Stopped Duplicate Address Locked I O Control Program Program Stopped Excessive COV Module Generated...

Page 37: ...are for future use Module Generated Alarm Description Short message shown on the i Vu Alarms page or in an alarm action when this type of alarm is generated Events Alarm Category and Alarm Template Se...

Page 38: ...devices that are physically connected or in the control program will show in the table NOTE See To get the Carrier VVT Bypass II serial number page 36 for the controller serial number The Act Net net...

Page 39: ...he actuator motor is turning clockwise CCW The actuator motor is turning counterclockwise The Run and Error LED s indicate controller and network status If Run LED shows And Error LED shows Status is...

Page 40: ...click and select Module Status To restore factory defaults CAUTION This erases all archived information and user configuration settings You will have to reconfigure all custom settings It is recommend...

Page 41: ...polarity indicated on the controller s cover 5 Replace the VVT Bypass II s cover 6 Download the VVT Bypass II To clean the airflow sensor orifice In less than 02 of installations small particulates mi...

Page 42: ...t the compressed air straw 1 4 into the controller s High connector WARNING The compressed air can MUST be upright It will damage the flow sensors by producing ice crystals if the can is on its side 3...

Page 43: ...nstalled and used in accordance with this document it may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation...

Page 44: ...per position R 0 to 100 VFD output If Control Device Type is VFD this is the current VFD speed capacity R 0 to 100 LAT Control The status of LAT Limit duct static pressure override control of the bypa...

Page 45: ...than the controlling setpoint this value the output modulates accordingly CAUTION If this value is too low the damper may oscillate to maintain the static pressure This could cause the actuator to fa...

Page 46: ...be activated when you finish using any of the other Test and Balance commands Damper Full Close Overrides the damper to its full closed position Local Sensor Calibration Supply Air Temperature Display...

Page 47: ...tion i Vu Field Assistant Properties Control Program Linkage Point Name Description Range Air Linkage Status If Active the controller is part of a linked system If Not Active the controller is operati...

Page 48: ...Properties I O Points Point Name Description Range Pressure Input The current duct static pressure of the controller s integrated airflow sensor R 0 to 2 0 in H2O 0 to 498 kPa SAT Sensor The current d...

Page 49: ...sec 60 start_delay AV 9007 Pressure Control Deadband R W in H2O 0 05 press_hysteresis AV 3016 Static Pressure Prime Variable R in H2O static_press AV 1016 Supply Air Temperature R F sa_temp AV 1008 V...

Page 50: ...2 17 18 Wiring the VVT Bypass II for power To wire the controller for power Added photograph of lifting up the cover X H RE E CC JS Mounting the VVT Bypass II To mount the controller and actuator Adde...

Page 51: ......

Page 52: ...CARRIER CORPORATION 2019 A member of the United Technologies Corporation family Stock symbol UTX Catalog No 11 808 601 01 1 25 2019...

Search results

Summary of Contents for VVT Bypass II

Reviews:

Related manuals for VVT Bypass II

Brands by name

Popular brands

Carrier VVT Bypass II, Installation And Startup Manual

Search results

Summary of Contents for VVT Bypass II

Reviews:

Related manuals for VVT Bypass II

Brands by name

Popular brands