Carrier VAV Zone II Installation And Startup Manual Download Page 33

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Installing the VAV Zone II

VAV Zone II Controllers

Installation and Start-up Guide

2-position hot water/steam heat - Single duct

VAV Zone II Single Duct controller

VAV Zone II Fan Terminal controller

Summary of Contents for VAV Zone II

Page 1: ...tr ro ol ll le er rs s 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 symbo...

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: ...5 Wiring a remote occupancy sensor 26 Wiring equipment to the VAV Zone II s outputs 27 Wiring specifications 27 Wiring diagram legend 28 No heat Single duct or fan box application 28 2 position hot wa...

Page 4: ...0 Notification Classes 61 Calendars 62 Common Alarms 62 Specific Events 63 Switches Jumpers Options 63 Flow Calibration Archive 63 Act Net Network Details 64 Troubleshooting 65 LED s 65 To get the ser...

Page 5: ...and mount them separately connecting them with just the actuator cable or using an additional extension cable up to a maximum distance of 300 feet Although a VAV Zone II can be included in a VVT syste...

Page 7: ...Zone II Fan Terminal controller OPN VAVB3 02 NOTE This document gives instructions for field installation of a VAV Zone II in an i Vu System However VAV Zone IIs are available factory mounted to Carri...

Page 8: ...Rnet port NOTE If the total power required by the sensors on the Rnet exceeds the power supplied by the Rnet port use an external power source The Wireless Adapter Equipment Touch or TruVu ET Display...

Page 9: ...BT485 not included to a controller at the beginning and end of a network segment to add bias and to terminate a network segment Status indicators LEDs indicate status of communications running errors...

Page 10: ...heir data exchange can be managed by one zone controller configured as the VAV Master A VAV Master can have a maximum of 63 slave zone controllers reporting to it An MS TP network is limited to a maxi...

Page 11: ...masters and their slaves For VAV systems only VVT systems do not support sub masters The sub masters exchange data between their slaves and the VAV Master and the VAV Master handles data exchange for...

Page 12: ...utomatically start if power is not disconnected WARNING Follow all local state and federal laws regarding disposal of equipment containing hazardous materials such as mercury contactors Field supplied...

Page 13: ...page 15 5 Wire devices to the Rnet port page 16 6 Wire sensor s to the controller page 22 7 Wire equipment to the controller s outputs page 26 Mounting the VAV Zone II To mount the controller and act...

Page 14: ...for an extension cable The maximum distance that the actuator and controller can be separated is 300 feet 91 4 m Connect the extension cable to the end of the actuator cable You can use connectors or...

Page 15: ...ront 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 VAV Zone II O ring B...

Page 16: ...n and rotate the actuator clamp in the same direction that closed the damper Rotate the clamp until it stops then rotate it back one notch 5 Release the button 6 Tighten the actuator clamp to the damp...

Page 17: ...ls airflow using the actuator and flow sensor 1 Turn off the VAV Zone II s power 2 Connect the tubes to the VAV Zone II s High and Low connectors 3 NOTE Tubing should be at least 2 ft 61 meters long f...

Page 18: ...trol panel where non Class 2 circuits are present Carrier controllers can share a power supply as long as you Maintain the same polarity Use the power supply only for Carrier controllers To wire the c...

Page 19: ...or power pull the screw terminal connector from the controller s power terminals labeled Gnd and 24 Vac The controller reads the address each time you apply power to it 2 Using the rotary switches set...

Page 20: ...nd 24 Vac 2 Check the communications wiring for shorts and grounds 3 Connect the communications wiring to the controller s screw terminals labeled Net Net and Shield NOTE Use the same polarity through...

Page 21: ...y the sensors on the Rnet exceeds the power supplied by the port use an external power supply See the sensor s Installation and Start up Guide to determine the power required These numbers will be red...

Page 22: ...To this terminal Red Black White Green 12V Rnet Rnet Gnd 4 Apply power to the VAV Zone II To wire the Wireless Adapter for wireless sensors WARNING Do not apply line voltage mains voltage to the Wirel...

Page 23: ...cut then bend and pull off the outer jacket of the Rnet cable s Do not nick the inner insulation Inner insulation Outer jacket Foil shield 25 in 6 cm Shield wire 3 Strip about 0 25 inch 0 6 cm of the...

Page 24: ...wiring instructions To wire ZS sensors to the VAV Zone II page 17 The only device on the Rnet you can use a 2 conductor cable instead of the standard 4 conductor Rnet cable and follow the instructions...

Page 25: ...ine voltage main 24 Vdc power only Wiring power Wire the TruVu ET Display 24V DC connector to the 24 Vdc power supply using 2 conductor 18 AWG wire Maximum distance 100 feet 30 meters CAUTION The TruV...

Page 26: ...ure sensor page 23 Supply Air Temperature sensor page 23 CO2 sensor page 24 Relative Humidity sensor page 25 Remote occupancy contact sensor page 26 NOTE This document gives instructions for wiring th...

Page 27: ...re Cut the shield and drain wire from the cable 2 Wire the sensor to the controller attaching the red wire to the T55 Opt terminal and the black wire to the Gnd terminal See diagram below 3 Verify tha...

Page 28: ...nstallation requires an Aspirator Box Accessory Part 33ZCASPCO2 The sensor has a range of 0 2000 ppm and a linear 4 20 mA output This is converted to 1 5 Vdc by a 250 Ohm 1 4 watt 2 tolerance resistor...

Page 29: ...or is used for zone humidity control dehumidification if the rooftop unit has a dehumidification device If not the sensor only monitors humidity NOTE Do not use a relative humidity sensor and CO2 sens...

Page 30: ...Start up Guide All rights reserved 26 5 Set SW3 on the sensor as shown below Wiring a remote occupancy sensor You can wire a normally open or normally closed dry contact occupancy sensor to the VAV Zo...

Page 31: ...an box ducted or baseboard page 33 Modulating hot water steam Fan box ducted or baseboard includes CV Modulating page 35 Combination heat Fan box ducted electric heat with modulating baseboard heat pa...

Page 32: ...d Gnd HWV SAT SCR Space temp sensor T55 OPT Ground Hot water valve Supply air temperature sensor Silicon controlled rectifier ZS sensors or Wireless Adapter for wireless sensors Alternate space temper...

Page 33: ...II VAV Zone II Controllers CARRIER CORPORATION 2019 Installation and Start up Guide All rights reserved 29 2 position hot water steam heat Single duct VAV Zone II Single Duct controller or VAV Zone II...

Page 34: ...Controllers CARRIER CORPORATION 2019 Installation and Start up Guide All rights reserved 30 Modulating hot water steam ducted or baseboard Single duct application VAV Zone II Single Duct controller o...

Page 35: ...rt up Guide All rights reserved 31 Combination heat ducted electric heat with modulating baseboard heat Single duct application VAV Zone II Single Duct controller or VAV Zone II Fan Terminal controlle...

Page 36: ...allation and Start up Guide All rights reserved 32 Electric heat ducted or baseboard Single duct application VAV Zone II Single Duct controller or VAV Zone II Fan Terminal controller NOTE Stage Heat 2...

Page 37: ...ne II Controllers CARRIER CORPORATION 2019 Installation and Start up Guide All rights reserved 33 SCR electric heat ducted or baseboard Single duct application VAV Zone II Single Duct controller or VA...

Page 38: ...Zone II VAV Zone II Controllers CARRIER CORPORATION 2019 Installation and Start up Guide All rights reserved 34 2 position hot water steam ducted or baseboard Fan box application VAV Zone II Fan Termi...

Page 39: ...AV Zone II VAV Zone II Controllers CARRIER CORPORATION 2019 Installation and Start up Guide All rights reserved 35 Modulating hot water ducted or baseboard Fan box application VAV Zone II Fan Terminal...

Page 40: ...Zone II Controllers CARRIER CORPORATION 2019 Installation and Start up Guide All rights reserved 36 Combination heat ducted electric heat with modulating baseboard heat Fan box application VAV Zone I...

Page 41: ...V Zone II VAV Zone II Controllers CARRIER CORPORATION 2019 Installation and Start up Guide All rights reserved 37 2 stage electric heat ducted or baseboard Fan box application VAV Zone II Fan Terminal...

Page 42: ...supplied high torque actuator to the analog output You can wire one of the following Belimo actuators to the VAV Zone II s analog output instead of using the controller s built in 45 in lb 4 Nm actuat...

Page 43: ...ATION 2019 Installation and Start up Guide All rights reserved 39 2 Wire the actuator to the controller using the diagram below NOTE For proper operation and to prevent damage to the devices use the s...

Page 44: ...controllers share power but polarity was not maintained when they were wired the difference between the controller s ground and the computer s AC power ground could damage the USB Link and the control...

Page 45: ...Sensor display for VAV Zone II page 100 Performing system checkout 1 Verify that all power and communication connections are correct and tight 2 Verify that all zone terminals ductwork and zone contr...

Page 46: ...goes to the fully closed position and the airflow transducer is calibrated Once the Autozero complete message is displayed make sure the Measured Flow column under Calibration parameters for Zero Flo...

Page 47: ...nstaller security level or use Field Assistant 2 Make sure the air source and its controller have been properly started and can run as a stand alone unit 3 Make sure you have addressed commissioned an...

Page 48: ...s second and click the arrow to enter the current sensor reading value 5 Parallel Fan Zone Terminals only To adjust Parallel Fan airflow make sure Occupied Min Airflow is selected select the Fan s Loc...

Page 49: ...lue in the field 7 Turn on the air source 8 For each additional calibration step that you want to perform do the following a Click its Damper Command button b Wait for Damper Ready c Enter the Measure...

Page 50: ...system has an i Vu user interface you must run the Test and Balance report in the i Vu application after using VAV Zone II Running the report uploads the values from the controller to the i Vu applic...

Page 51: ...s 1 through 4 in Prepare for balancing page 47 prior to using Test Balance See Test Balance s Help for details on the steps required to complete the balancing procedure NOTE We recommend that you set...

Page 52: ...If a network space temperature value is used that value must be written to the BACnet space temperature point system_spt at 1 to 5 minute intervals or on a COV of 0 1 F 06 C Supply Air Temperature SAT...

Page 53: ...urther increase in heating capacity is required then the airflow is increased as needed up to the configured Auxiliary Heat Min Airflow value Parallel fan terminals The controller s Parallel Fan On Va...

Page 54: ...is controlled to keep the zone s temperature at the heating setpoint Electric Auxiliary Heat The controller operates 1 2 or 3 stages of electric heat For ducted heat the terminal s heat supplements a...

Page 55: ...sed on the highest sensor value and not the average You can adjust this in the i Vu application or Field Assistant The controller can also support both DCV and dehumidification functions by using a sy...

Page 56: ...point This point links the controller occupancy to another controller in the network so that multiple zones can follow the occupancy of another VAV Zone or other controller on the network To set up o...

Page 57: ...ault which is subtracted from the configured occupied heat and added to the configured occupied cool setpoints If the space temperature rises above or falls below this value and the condition lasts fo...

Page 58: ...t to 0 hours Airside Linkage Alarm The slave zone controller generates an alarm if it has once been linked successfully to a master zone and then it fails to receive linkage information for 5 minutes...

Page 59: ...perature calculation for all the zones in the system SPT If no zone is occupied it sets the occupied space temperature to only displays on the Details tab of the Collector microblock and the Linkage s...

Page 60: ...example if the VVT Master requests heating but the air source does not have heat or its heat has failed the verification indicates this The actual current mode is sent to the zones so that they can co...

Page 61: ...ult of a fire life safety input being active It may also be used as an equipment safety to increase system airflow The terminal modulates its primary air damper to provide the configured maximum cooli...

Page 62: ...is greater than 20 of the Nominal CFM liters second at 1 249 kpa Velocity Pressure or greater than 50 of cfm liters second Setpoint for 10 seconds whichever is greater then the fan is determined to b...

Page 63: ...ng 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 value...

Page 64: ...ng excessively 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 ma...

Page 65: ...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 66: ...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 67: ...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 S...

Page 68: ...e devices that are physically connected or in the control program will show in the table NOTE See To get the Carrier VAV Zone II serial number page 66 for the controller serial number The Act Net netw...

Page 69: ...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 1 flash per secon...

Page 70: ...f cycle power to the controller To get the serial number If you need the VAV Zone II s serial number when troubleshooting the number is on a Module Status report Modstat under Core or Main board hardw...

Page 71: ...he battery your date time and trend data will be lost 2 Remove the VAV Zone II s cover 3 Remove the battery from the controller making note of the battery s polarity 4 Insert the new battery matching...

Page 72: ...er is installed or on a repair bench 1 Disconnect the High and Low flow sensor tubes 2 Insert the compressed air straw 1 4 into the controller s High connector WARNING The compressed air can MUST be u...

Page 73: ...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 74: ...er R 0 to 99999 cfm liters second Damper Position The current damper position R 0 to 100 Supply Air Temperature Displays the current supply air temperature R 56 to 245 F 48 9 to 118 3 C Heating Capaci...

Page 75: ...emental heat is controlled so that it will not exceed this limit or the configured High SAT Alarm Limit Set the Maximum Heating SAT limit to 5 F 2 8 C above the desired maximum supply air temperature...

Page 76: ...delay when system mode transitions from unoccupied to occupied A delay of no greater than 120 seconds is recommended for Series Fan applications D R 60 seconds 0 to 600 seconds Occupancy Schedules If...

Page 77: ...5 5 C Space Relative Humidity Displays the current value of relative humidity sensor if present R 0 to 100 Relative Humidity Calibration You can enter a calibration offset for the relative humidity T...

Page 78: ...0 F 26 6 C Occupied Heating 1 Light Blue The space temperature must be less than the Occupied Heating 1 setpoint for the VVT Master to consider the zone a heating caller in a linked system In a single...

Page 79: ...ce temperature must be greater than the Unoccupied Cooling 1 setpoint for the VVT Master to consider the zone an unoccupied cooling caller in a linked system In a single zone application the unoccupie...

Page 80: ...t results as the zone temperature departs from and returns to the acceptable range in a zone with the following settings Color Change Hysteresis 5 F 27 C applies as the temperature returns to the acce...

Page 81: ...the Learning Adaptive Optimal Start algorithm runs when the zone s thermographic color at occupancy is orange D R 0 1300 0 to 1 0722 Red The amount the zone s learned cooling capacity is adjusted whe...

Page 82: ...ce temperature is above the occupied cooling setpoint including any setpoint offset D R 15 00 0 to 99 Standby Offset The value by which the occupied setpoints are expanded when the space occupancy sen...

Page 83: ...oints section in order to access the Properties popup In the popup select the Properties Sensor tab to configure ZS sensors for Setpoint Adjust Edit Increment Amount of offset in degrees for each pres...

Page 84: ...Alarm Limit The value that the space temperature must exceed to generate a Space Temperature Alarm in the unoccupied mode There is a fixed hysteresis of 1 F 5 C for return to normal D R 95 F 35 C 45 t...

Page 85: ...ore Display Supply Air Temp Alarm If set to display shows the alarm indicator on the communicating zone sensors if the Supply Air Temp alarm is active D R Ignore Ignore Display Dirty Filter Alarm If s...

Page 86: ...high torque or slave actuator Enabling this setting disables the output for Modulating Hot Water or Combination reheat functions D R Disable Disable Enable Heat Type The type of supplemental reheat t...

Page 87: ...H CO2 hardwire input This setting determines the control channel input function Options RH Sensor Relative humidity for zone dehumidification IAQ Sensor Indoor air quality for DCV control NOTE RH and...

Page 88: ...cfm To calculate the Min Heat airflow when AHU Heating configuration when based on the Heating Max cfm Occ Min and the desired heat minimum airflow cfm use the formula Min Heat airflow when AHU Heati...

Page 89: ...ng Vent or Free Cooling D R 2100 cfm 991 2 liters second 0 to 99999 cfm liters second Heating Max Airflow The maximum airflow the terminal will supply when trying to meet a zone heating demand when th...

Page 90: ...he primary use of this damper is cooling Automatic Control Returns the damper to its normal control routines This must be activated when you finish using any of the other Test and Balance commands Clo...

Page 91: ...Index Area 1 Main Sensor Use checked Calibration 0 Combination Algorithm Average Input Smoothing None Show on Sensors Calculated Value Display Resolution 1 COV Increment 1 Zone Humidity Configure addi...

Page 92: ...io signal strength of the wireless space temperature sensor If there are multiple wireless sensors it displays the lowest value R _ Rnet Sensed Occupancy Displays occupancy status detected by wireless...

Page 93: ...daptive Start Indicates the type of optimal start if any that is configured and whether the algorithm is active or inactive R Inactive Active Space Temp Source The source of the controlling space temp...

Page 94: ...received over the network R 0 to 3 Heating Demand Level The system heat demand level received over the network R 0 to 3 Heat Delay The status of the terminal heat delay R Inactive Active Remaining He...

Page 95: ...cupancy network input s current state D R Unoccupied Unoccupied Occupied Local BACnet Schedule R Off On Configure ZS Sensors by setting the following options in the Local BACnet Schedule microblock po...

Page 96: ...re sensors is displaying low charge strength R Normal Alarm Wireless Signal Strength Alarm Indicates one of the configured wireless space temperature sensors is displaying low radio signal strength R...

Page 97: ...The main VAV Master A slave that is not on the same MS TP network as its master Its masters Network Number Address NOTE If you change the Network Number or Address you must use the i Vu application or...

Page 98: ...all zones while the current demand is still active D R 30 10 to 120 Linkage RH Type Determines if the VVT or VAV Master sends to the air source the average or maximum values of all linked zone control...

Page 99: ...fore indicating an alarm D 45 F 7 2 C Max Present Value Maximum present value the sensor transmits before indicating an alarm D 96 F 35 5 C Setpoint Adjustment Max Adjust The amount that a user may ad...

Page 100: ...ss space temperature sensor If there are multiple wireless sensors it displays the lowest value R _ WS Signal Strength Displays radio signal strength of the wireless space temperature sensor If there...

Page 101: ...d sensor display its individual sensed value or Calculated Value to have each sensor display the value determined by the Combination Algorithm D R Calculated Value Calculated Value Local Value Display...

Page 102: ...x cfm Cool Disable N A Series Fan N A Cooling Modulate Min Max cfm Cool Disable Enable Parallel Fan N A Cooling Modulate Min Max cfm Cool Disable Disable Heating Single Duct Parallel Fan No Cooling Mi...

Page 103: ...ulate Min Max cfm Heat Enable N A Series or Parallel Fan No Heating Modulate Min Max cfm Heat Disable Enable Series or Parallel Fan Yes Heating Modulate Min Max cfm Heat Enable Enable Pressurization L...

Page 104: ...F hEAt uP hEAt cooL FrEEcool PrESSrZE EuAcuATE vEnt no Llnc Off Warm up Heat Cool Freecool Pressurize Evacuate Vent Linkage Not Active Supply Air Temp Info 304 Air Source Supply Air Temp if available...

Page 105: ...ap AV 2030 Heating Demand Level R heat_demand_level AV 9036 Heating Lockout Temperature R W F 70 oat_ht_lockout AV 9003 Indoor Air Quality CO2 ppm R ppm iaq AV 1009 lux sensor BACnet accessible R lux_...

Page 106: ...ff R W 1 Inactive 2 Occupied 3 Unoccupied 1 keypad_ovrde MSV 1001 Optimal Start Type R W 1 None 2 Temp Compensated 3 Learning Adaptive 2 start_type MSV 2009 Space Temp Source R 1 Sensor Failure 2 SPT...

Page 107: ...t R W F 75 occ_cl_stpt AV 3001 1 Alarm Network OAT R 0 Normal 1 Alarm oat_fail BV 7029 Space Relative Humidity R 0 Normal 1 Alarm sprh_hi_alarm BV 7018 Space Temp Sensor R 0 Normal 1 Alarm spt_fail BV...

Page 108: ...ontroller and actuator Added caution stating that you must use the bushing O ring and screws that are shipped with the VAV Zone II along with applicable graphic CA H RE E CC JS 10 30 18 Wiring sensors...

Page 109: ......

Page 110: ...CARRIER CORPORATION 2019 A member of the United Technologies Corporation family Stock symbol UTX Catalog No 11 808 602 01 8 30 2019...

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