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Introduction

VVT Zone II Controller

Installation and Start-up Guide

Safety Considerations

CAUTION

Air conditioning equipment will provide safe and reliable service when operated within design specifications. The

equipment should be operated and serviced only by authorized personnel who have a thorough knowledge of

system operation, 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 Electrical Shock Hazard

Failure to follow this warning could cause personal injury, death, and/or equipment damage.
Disconnect all power to the unit before performing maintenance or service. Unit may automatically 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 hardware

Each zone controller installation requires the following field-supplied components:

•

zone terminal unit

•

round or rectangular mounting bracket

•

space temperature sensor

•

supply air temperature sensor

•

2x4 in. standard single gang electrical box

•

transformer — 24 Vac, 40 VA

•

two no. 10 x 1/2-in. sheet metal screws (to secure SAT sensor to duct)

•

two no. 6-32 x 5/8-in. screws (to mount space temperature sensor base to electrical box)

•

wiring

•

bushings (required when mounting SAT sensor in a duct 6-in. (15.2 cm) or less in diameter)

Optional:

•

contractors (if required for fan or electric heat)

•

indoor air quality sensor

•

relative humidity sensor

•

2 screws and 2 hollow wall anchors (to mount relative humidity sensor directly to wall)

•

valve and actuator for hot water heat (if required)

Содержание VVT Zone

Страница 1: ...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 symbol UTX Catalog No 11 808 603 01 1 25 2019 ...

Страница 2: ...our 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 trademark of Carrier Corporation All other trademarks are the property of their respective owners ...

Страница 3: ...ature sensor to the controller 20 To wire a Duct Air Sensor to the controller 21 To wire the CO2 sensor to the controller 21 To wire the Relative Humidity sensor to the controller 23 Wiring a remote occupancy sensor 24 Wiring equipment to outputs 25 Wiring specifications 25 Wiring diagram legend 26 Single duct only 26 Single duct 2 position hot water 27 Single duct modulating hot water 28 Single d...

Страница 4: ...fic Events 60 Switches Jumpers Options 60 Act Net Network Details 60 Troubleshooting 61 LED s 61 To get the serial number 62 To restore factory defaults 63 To replace the battery 63 Compliance 64 FCC Compliance 64 CE Compliance 64 BACnet Compliance 64 Appendix A VVT Zone II Points Properties 65 Status 65 Unit Configuration 66 Setpoints 68 Alarm Configuration 75 Service Configuration 77 Maintenance...

Страница 5: ...by controlling the air source heating and cooling sources or supplemental heat The VVT Zone II provides dedicated control functions for single duct and fan box terminals with modulating heat up to 3 stages of ducted heat or combination baseboard and ducted heat The i Vu Control System uses linkage to exchange data between the zone terminals and their air source to form a coordinated HVAC system Th...

Страница 6: ... Guide All rights reserved 2 NOTE This document gives instructions for field installation of a VVT Zone II in an i Vu Control System However VVT Zone IIs are available factory mounted to Carrier s round and rectangular dampers Damper assemblies have an integrated duct temperature sensor ...

Страница 7: ... external power source The Wireless Adapter Equipment Touch or TruVu ET Display must be powered by an external power source See the specifications in each device s Installation and Start up Guide to determine the power required Local Access port For system start up and troubleshooting using Field Assistant Thermistor inputs Accepts Precon type II thermistors 10kOhm at 77 F 25 C Range 50 F 45 5 C t...

Страница 8: ...C 0 to 90 relative humidity non condensing Physical UL94 5VA plenum rated enclosure for installation in plenum or other space for environmental air in accordance with NEC Section 300 22 c and d Controller and actuator overall dimensions Width Height 8 9 in 22 7 cm 5 9 in 15 0 cm Controller and actuator mounting dimensions 7 1 in 18 0 cm from left side controller mounting hole centerline to actuato...

Страница 9: ...automatically 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 hardware Each zone controller installation requires the following field supplied components zone terminal unit round or rectangular mounting bracket space temperature sensor supply air temperature s...

Страница 10: ...er for power page 10 3 Set the controller s address page 12 4 Wire the controller to the BACnet MS TP or BACnet ARC156 network page 12 5 Wire devices to the Rnet port page 13 6 Wire sensor s to the controller page 19 7 Wire equipment to the controller s outputs page 25 Mounting the VVT Zone II To mount the controller and actuator To disconnect and mount the controller and actuator separately Insta...

Страница 11: ...port Adding an extension cable If you need to mount the actuator more than 14 in from the controller you can use an 18 AWG wire 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 splice the wires Terminate the extension cable in the Act Net port on th...

Страница 12: ...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 VVT Zone II O ring Bushing Anti rotation slot NOTES Center the bushing in the slot Failure to do so may cause the actuator to stick or bind The VVT Zone II must be secured but loose enough to allow movement of the damper...

Страница 13: ...are shipped with the VVT Zone II Overtightening the screws so that the controller and actuator cannot move may damage the unit 4 Hold down the actuator damper release button 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 damper shaft by tightening the t...

Страница 14: ... it contacts the edge of the actuator cam c Tighten 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 Wiring the VVT Zone II for power WARNING Do not apply line voltage mains voltage to the controller s ports and terminals CAUTIONS The VVT Zone II is powered by a Class 2 power source Take appropriate isolatio...

Страница 15: ...ower 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 supply 6 Measure the voltage at the VVT Zone II s power input terminals to verify that the voltage is within the operating range of 21 6 26 4 Vac 7 Connect a 4 inch 10 2 cm wire from Gnd to the contro...

Страница 16: ...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 CAUTION The factory default setting is 00 and must be changed to successfully install your VVT Zone II Wiring for communications The VVT Zone II communicates using BACnet on the following types of network...

Страница 17: ...e MS TP Baud diagram on the controller NOTE Use the same baud rate for all controllers on the network segment 5 If the VVT Zone II is at either end of a network segment connect a BT485 to the VVT Zone II 6 Insert the power screw terminal connector into the VVT Zone II s power terminals 7 Verify communication with the network by viewing a Module Status report in the i Vu interface Wiring devices to...

Страница 18: ...can use the following ZS sensors ZS Standard ZS Plus ZS Pro NOTE The ZS CO2 model uses 190 mA during sample period Use auxiliary 12 Vdc unless it is the only device on the Rnet port 1 Remove power from the VVT Zone II 2 Partially cut then bend and pull off the outer jacket of the Rnet cable s Do not nick the inner insulation Strip about 25 inch 6 cm of the inner insulation from each wire Outer Jac...

Страница 19: ...r interaction with the sensor see the Wireless Sensors Application Guide For detailed instructions see the Wireless Sensors Installation Guide To wire power and mount the Wireless Adapter NOTES The Wireless Adapter requires a 24 Vac power supply It is not powered by the Rnet If the Wireless Adapter will be Daisy chained on the Rnet with ZS sensors an Equipment Touch or TruVu ET Displayuse the stan...

Страница 20: ... s power connector 6 Mount the Wireless Adapter by inserting 2 screws through the mounting tabs on each end of the Wireless Adapter 7 Apply power to the external power supply 8 Verify that the LED on top of the Wireless Adapter is blinking See LED below 9 Turn on the controller s power LED The blue LED on the top of the Wireless Adapter indicates the following If the LED is Then the device Off Is ...

Страница 21: ...ow For complete Equipment Touch installation instructions including wiring diagrams see the Equipment Touch Installation and Setup Guide CAUTION The VVT Zone II can share a power supply with the Carrier controller as long as The power supply is AC power You maintain the same polarity You use the power source only for Carrier controllers 1 Turn off the VVT Zone II s power 2 Partially cut then bend ...

Страница 22: ... 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 only for Carrier controllers Wiring communication 1 Turn off the VVT Zone II s power 2 Wire the TruVu ET Display s RS485 connector to the ALCProduct s Rnet port Gnd to Gnd to Rnet to Rnet using 2 conductor 22 AWG wire with a maximum ...

Страница 23: ... Zone II For detailed installation instructions see the device s Installation Guide WARNING Disconnect electrical power to the VVT Zone II before wiring it Failure to follow this warning could cause electrical shock personal injury or damage to the controller CAUTION Do not run sensor or relay wires in the same conduit or raceway with Class 1 AC or DC service wiring Do not abrade cut or nick the o...

Страница 24: ...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 that the T55 Opt jumper is in the Thermistor position To wire the Supply Air Temperature sensor to the controller Part 33ZCSENSAT Each VVT Zone II requires that a temperature sensor be installed in the s...

Страница 25: ...play Part 33ZCT55CO2 No display A CO2 sensor monitors carbon dioxide levels As CO2 levels increase the VVT Zone II adjusts the outside air dampers to increase ventilation and improve indoor air quality These sensors also monitor temperature using a 10K thermistor A CO2 sensor can be wall mounted or mounted in a return air duct Duct installation requires an Aspirator Box Accessory Part 33ZCASPCO2 T...

Страница 26: ...ll rights reserved 22 Wiring diagram for 33ZCSPTCO2 33ZCT55CO2 1 Wire the sensor to the controller See appropriate diagram below 2 Install a field supplied 250 Ohm 1 4 watt 2 tolerance resistor across the controller s RH CO2 and Gnd terminals 3 Verify that the RH CO2 jumper is set to 0 5Vdc on the VVT Zone II ...

Страница 27: ...rol 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 sensor on the same zone controller 1 Strip the outer jacket from the cable for at least 4 inches 10 2 cm Strip 25 inch 6 cm of insulation from each wire 2 Wire the sensor to the controller See diagram below 3 Using electrical tape insula...

Страница 28: ... Start up Guide All rights reserved 24 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 VVT Zone II s REMOTE input as shown below The controller supplies the voltage needed for the input ...

Страница 29: ...heat page 34 Fan box combination base board and ducted heat page 35 Fan box 2 stage electric heat page 36 Wiring field supplied actuators to the analog output page 37 WARNING Disconnect electrical power to the VVT Zone II before wiring it Failure to follow this warning could cause electrical shock personal injury or damage to the controller Wiring specifications To size output wiring consider the ...

Страница 30: ... Guide All rights reserved 26 Wiring diagram legend 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 temperature sensor Field supplied wiring Single duct only ...

Страница 34: ...Installing the VVT Zone II VVT Zone II Controller CARRIER CORPORATION 2019 Installation and Start up Guide All rights reserved 30 Single duct combination base board and ducted heat ...

Страница 37: ...Installing the VVT Zone II VVT Zone II Controller CARRIER CORPORATION 2019 Installation and Start up Guide All rights reserved 33 Fan box modulating hot water ducted or baseboard ...

Страница 41: ...tuators to the VVT Zone II s analog output instead of using the controller s built in 45 in lb 4 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 feedback 1 Install the actuator according to the manufacturer s instructions 2 Wire the actuator to the controller using the di...

Страница 42: ...e actuators so that travel times and other 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 10 Vdc control 1 Install the actuators according to the manufacturer s instructions 2 Wire the actuators to the controller using the diagram below 3 Set the dir...

Страница 43: ...art up Guide All rights reserved 39 IMPORTANT If slaving 45 actuators you must go to Properties I O Points Hot Water Valve Max and change scaling to 200 for the slave actuator to correctly track the primary actuator NOTE Maintain polarity if using the same power supply for more than one actuator ...

Страница 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 controller If you are not sure of the wiring polarity use a USB isolator between the computer and the USB Link Purchase a USB isolator online from a third party manufacturer Configuring the VVT Zone II s pro...

Страница 45: ...zone terminals ductwork and zone controllers are properly installed and set according to installation instructions and job requirements 3 Verify that all air duct connections are tight 4 Verify that zone terminal fans and system controls operate properly Verify that actuator screws are properly tightened 5 At the zone terminals check electrical system and connections of any optional electric rehea...

Страница 46: ...s shows Active CAUTION Pressing the actuator release button and moving the damper or disconnecting the actuator ribbon connector while the bypass controller is powered will cause the damper position to be out of calibration To recalibrate the damper position you must perform steps 1a 1c above or power cycle the controller Balancing the system Most VVT system airflow designs are based on cooling re...

Страница 47: ...ct or Parallel Fan zone terminals Click Cool Max to override the zone damper to its maximum open position Check the zone for design cooling maximum airflow using certified measuring devices Make adjustments using the manual volume damper located upstream of the zone damper Series Fan zone terminals Click Damper Full Close to override the zone damper to its fully closed position Wait 30 seconds aft...

Страница 48: ...h enough to provide the demand but low enough to maintain reasonable noise levels The bypass controller maintains static pressure by controlling a damper or a supply fan VFD You need the following data to set the static pressure The air source s design maximum airflow in CFM liters second manufacturer s data The system s design external static pressure inches or water This is the amount of static ...

Страница 49: ...If not repeat the process adding 05 012 kPa to the previous Duct Static Pressure Setpoint until the Damper Position is 0 or VFD Output is 100 4 For each zone in the system that was balanced go to its Pressure Dependent Control Details tab then click Automatic Control to return the zone to normal control 5 In the tree select the air source controller then do one of the following a For an RTU Open o...

Страница 50: ...e intervals or on a COV of 0 1 F 06 C To reference another zone as your space temperature input read the BACnet point zone_temp by using the network point System Space Temperature Duct temperature sensors Duct Air Temperature DAT 10K Type II If the zone does not have ducted reheat install a DAT sensor on the inlet of the damper Supply Air Temperature SAT If the zone has ducted reheat install an SA...

Страница 51: ... Parallel Fan On Value determines when the fan turns on to increase airflow at the zone s diffusers and prevent cold air from dumping into the zone when the system mode is Cool This is achieved by increasing the volume and temperature of the air exiting the diffusers Should the zone s damper close below the Parallel Fan On Value the parallel fan is energized to mix ceiling plenum air with the prim...

Страница 52: ...rimary air source if it is in heating mode and is controlled so that the SAT does not exceed the Maximum Heating SAT 105 F 40 5 C default For baseboard heating non ducted heat the SCR heat output modulates to keep the zone s temperature at the heating setpoint Two Position Hot Water Steam Heating Heat The controller operates a normally closed or normally open hot water or steam valve connected to ...

Страница 53: ... the temperature control to respond to increasing CO2 levels when the zone is occupied If the sensor s value exceeds the DCV Start Ctrl Setpoint and the air source is in cooling or ventilation mode the controller increases airflow to the zone at a base rate defined by ASHRAE and then proportionally increases ventilation if the CO2 level continues to increase If the sensor s value exceeds the DCV M...

Страница 54: ...ed on whether or not the space is actually occupied If the occupancy sensor contact is in the same state as Occ Override Normal Logic State setting the zone follows its normal occupancy schedule If the contact is in the opposite state it overrides the zone into the unoccupied mode The input can be configured for normally closed or normally opened contact types and is set to Open by default so that...

Страница 55: ...nstalled the controller generates an alarm if the sensor s value exceeds the Occ High RH Alarm Limit 100 rh default or the Unocc High RH Alarm Limit 100 rh default The controller provides a 30 minute alarm delay during unoccupied periods During occupied periods the controller uses the Occ High RH Alarm Limit When a transition from unoccupied to occupied occurs or the occupied high alarm limit is l...

Страница 56: ...occupancy and demand The VVT Master scans the system continuously to determine if any zones are occupied Occupied zones are a higher priority than unoccupied zones The VVT Master evaluates all the occupied zones heating or cooling demands and sends a request to the air source for Cooling if the number of occupied zones with cooling demands exceeds the number of occupied zones with heating demands ...

Страница 57: ...tem If there is no demand for the opposite mode the reselect timer starts again and the current mode continues until all zones are satisfied or until the reselect timer expires repeating the process If there is a demand for the opposite mode the VVT Master sends the reference zone s space temperature and setpoints to the air source and restarts the reselect timer The air source re evaluates its de...

Страница 58: ...t PRESSURIZATION Air source supply fan is on usually as a result 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 cooling airflow EVACUATION Evacuation is usually the result of a fire life safety input at the air source being active The terminal fully closes...

Страница 59: ...s reserved 55 VENT The zone s local heat has not operated for at least 5 minutes and the SAT is between 65 18 3 C and 80 F 26 6 C COOL The zone s local heat has not operated for at least 5 minutes the current mode is not Heat or Vent and the SAT is less than 65 F 18 3 C See Appendix B VVT terminal modes page 92 ...

Страница 60: ...ing 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 the controller s time is immediately changed If the difference is less than this field s value the controller s time is slowly adjusted until the time is correct Network Microblocks Number of poll r...

Страница 61: ...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 make sure that your network can support the increased traffic You will also need to disable the Excessive COV alarms under the driver s Common Alarms Trend Sampling Collect a daily midnight sample for a...

Страница 62: ...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 Vu application Do not delete this row Click Add if you want other BACnet devices to receive alarms associated with this Notification Class Recipient Description Name that appears in the Recipients ta...

Страница 63: ...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 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 See Alarms in i Vu Help Enable Clear t...

Страница 64: ...ar these checkboxes to disable Alarm or Return to normal messages of this type from this controller Notification Class Do not change this field Switches Jumpers Options The Switches Jumpers Options page shows the current physical settings on the VVT Zone II Act Net Network Details Act Net Statistics The actuator serial numbers are automatically read and filled in by the i Vu application Only those...

Страница 65: ...r 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 second 1 flash per second alternating with the Run LED The controller files are archiving Archive is complete when Error LED stops flashing 2 flashes per second Off Normal 2 flashes per second 2 flashes a...

Страница 66: ...es per second alternating with Run LED Brownout On On Failure Try the following solutions Turn the VVT Zone II off then on Download memory to the VVT Zone II Replace the VVT Zone II NOTE If you resolve the issue but the Error LED does not turn off cycle power to the controller To get the serial number If you need the VVT Zone II s serial number when troubleshooting the number is on a Module Status...

Страница 67: ...s 3 and 4 3 Insert the power screw terminal connector into the VVT Zone II s power terminals 4 Continue to short the jumper until the Error LED flashes three times in sync with the Run LED 5 Remove the short To replace the battery If the VVT Zone II experiences a power outage and the control program stops functioning replace the battery You need to replace the battery if the voltage measures below...

Страница 68: ...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 If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interferenc...

Страница 69: ...he current supply air temperature R 56 to 245 F 48 9 to 118 3 C Heating Capacity The current reheat capacity when the zone is configured for reheat R 0 to 100 Baseboard Heating Capacity The current modulating baseboard heat capacity when the zone is configured for Combination Baseboard and Ducted Heat R 0 to 100 Outdoor Air Temperature The current outdoor air temperature from a linked air source i...

Страница 70: ...this parameter D R 105 F 40 6 C 100 to 140 F 37 7 to 60 C Max RH Override Position The maximum damper position that the RH function can override the damper to When active the damper modulates to the temperature control position RH override position or the IAQ override position whichever is greater D R 60 0 to 100 DCV Max Vent Damper Pos The maximum damper position that the IAQ function can overrid...

Страница 71: ...nutes T55 Override Duration The amount of time that the controller runs in the occupied mode when a user presses the T55 sensor s override button for 1 to 10 seconds Pushbutton Override must be set to Enable D R 1 hr 1 to 4 hr Local Sensor Calibration Space Temperature The current space temperature R 56 to 245 F 48 9 to 118 3 C Space Temp Calibration A calibration offset value to allow the local s...

Страница 72: ...expands the occupied heating and cooling setpoints when the system reaches one of 3 levels of consumption With the expanded setpoints the equipment works less thereby saving energy By default Demand Level 1 expands the occupied heating and cooling setpoints by 1 F 5 C Demand Level 2 by 2 F 1 1 C and Demand Level 3 by 4 F 2 2 C If the occupied heating or cooling setpoints change the effective deman...

Страница 73: ...pplication the cooling requirement begins as soon as the space temperature exceeds the Occupied Cooling setpoint We recommend that the Occupied Cooling 1 value be set no less than 0 5 F 27 C above the Occupied Cooling setpoint 77 F 25 C 78 F 25 5 C 79 F 26 1 C 81 F 27 2 C Occupied Cooling 2 Orange The space temperature must be greater than the Occupied Cooling 2 setpoint to generate a high space t...

Страница 74: ...han the Unoccupied Cooling 2 setpoint to generate an unoccupied high space temperature alarm We recommend that this value be set no less than 0 5 F 27 C above the Unoccupied Cooling 1 setpoint D R 93 F 33 9 C 45 to 99 F 7 2 to 37 2 C Point Name Description Default Range Heating Capacity Used for Optimal Start this is the rate at which the zone temperature changes when the heating system runs at fu...

Страница 75: ...ccupied heating setpoint 70 F 21 1 C NOTE The values in the graph below are Fahrenheit Time Temp Occupied heating setpoint 70 75 5 70 5 Occupied cooling setpoint 76 5 hysteresis 5 hysteresis D R 5 F 27 C 0 2 to 1 0 F 1 to 5 C Learning Adaptive Optimal Start When the Learning Adaptive Optimal Start algorithm runs the learned heating capacity or learned cooling capacity values are adjusted based on ...

Страница 76: ...rt algorithm runs when the zone s thermographic color at occupancy is red D R 0 1900 0 to 1 1055 Heating Occupied or Unoccupied depending on mode The current programmed Heating setpoint adjusted by any offset that may be in effect R 0 to 120 F 17 7 to 48 9 C Cooling Occupied or Unoccupied depending on mode The current programmed Cooling setpoint adjusted by any offset that may be in effect R 0 to ...

Страница 77: ...ing 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 sensor indicates that the space is unoccupied If 0 the unoccupied setpoints are used D R 0 F C 0 to 15 F 0 to 8 3 C Occupied RH Control Setpoint If Optional Sensor Type is set to RH Sensor and RH Control is set to Enable this is the relative hu...

Страница 78: ...he Properties microblock popup In the popup on the Properties Sensor tab configure ZS or wireless sensors for Setpoint Adjust Edit Increment Amount of offset in degrees for each press of the up or down arrows on the ZS or wireless sensor for setpoint adjustment D R 1 0 1 0 5 1 Allow Setpoint Adjust Check to allow setpoint adjustments on the specified ZS or Carrier wireless sensor D R 1 enabled dis...

Страница 79: ... 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 to 100 F 7 2 to 37 7 C Supply Air Temperature Alarm Low SAT Alarm Limit The value that the supply air temperature must drop below to generate a Supply Air Temp Alarm There is a fixed hysteresis of 3 F...

Страница 80: ...nore 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 set to display shows the alarm indicator on the communicating zone sensors if a Filter alarm is active D R Display Ignore Display Space High Humidity Alarm If set to display shows the alarm indicator ...

Страница 81: ...or Enable Enable if the controller s analog output is used for an external 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 that the zone controller will control The heat may be used with system heat depending on the space temperature demand Options N...

Страница 82: ...le If the contact is in the opposite state of the configured state the controller is forced into the unoccupied mode D R Open Open Closed RH Sensor Min Input Volts The lowest voltage that should be read from the hardwired relative humidity RH sensor D R 0 00 V 0 to 5 00 V RH Sensor Max Input Volts The highest voltage that should be read from the hardwired RH sensor D R 5 00 V 0 to 5 00 V RH Sensor...

Страница 83: ...hen the air source mode is Cooling Vent or Free Cooling and the space requirements for cooling are at a minimum We recommend that you set this no lower than 10 D R 20 0 to 100 Cooling Max Damper Position The maximum damper position the terminal controls to when the air source mode is Cooling Vent or Free Cooling and the space requirements for cooling are at a maximum D R 100 0 to 100 Reheat Min Da...

Страница 84: ... any of the other Test and Balance commands Damper Full Close Overrides the damper to its full closed position Heat Max Forces the damper to its heat maximum position regardless of its current local mode Heat Min Forces the damper to its heat minimum position regardless of its current local mode Reheat Min Forces the damper to its reheat position regardless of its current local position Vent Force...

Страница 85: ... 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 additional ZS or wireless humidity sensors used on the VVT Zone II Use Check to include ZS or wireless sensors value in the Combined Algorithm Maximum is the default Raw Value Displays sensed humidity fo...

Страница 86: ...ensors it displays the lowest value R _ WS Signal Strength Displays radio 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 infrared motion sensor R Off On ZS model to show on graphic Select the ZS model from the drop down list that you want to display...

Страница 87: ...roller s occupancy status as determined by a network schedule a local schedule or a timed override R Unoccupied Occupied Temp Compensated Start or Learning Adaptive 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 temperature value Options Sensor Failure No val...

Страница 88: ...ng 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 Heat Delay If Heat Delay is Active this is the remaining delay time R 0 to 60 minutes Calculated DCV Damper Position If the controller is in IAQ Override mode this is the calculated minimum damper position that will be maintained to satisfy th...

Страница 89: ...ncy 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 popup Click Local BACnet Schedule to access the microblock popup Properties page Details tab See the microblock Help for more detailed explanations Sensor Configuration Allow Force Unoccupied Check to allow...

Страница 90: ...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 Normal Alarm ZS WS Sensor Configuration Indicates if the ZS or wireless zone temperature sensor is not configured correctly R Normal Alarm Indoor Air Quality Indicates if the occupied CO2 level exceed...

Страница 91: ... is part of a linked system If Not Active the controller is a stand alone device R Not Active Active Linkage Zone Type Select whether the controller is a Master or a slave Select VAV Master if the controller is the Master or a sub master in a VAV application Select VVT Master only if the controller is the Master in a VVT application VVT applications do not support sub masters D R Slave Slave VVT M...

Страница 92: ...er controller sends to the air source the average or maximum values of all linked zone controllers that have a CO2 sensor for DCV and IAQ control D R Max Avg Max Air Source Mode If Airside Linkage Status is Active this is the current mode of the linked air source If Airside Linkage Status is Not Active this is the mode of the air source as determined by the zone controller s SAT sensor R OFF WARMU...

Страница 93: ...ensor transmits before 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 adjust the setpoint at the sensors D R 5 F 2 7 C 0 to 15 F 0 to 8 3 C Reset setpoint adjust to zero when unoccupied Resets the setpoint bias to zero when the controller transitions to ...

Страница 94: ... from CO2 enabled ZS Sensor s R _ppm ZS WS Sensors The following properties apply to the ZS or wireless Standard ZS or wireless Plus and ZS or wireless Pro only Sensor configurations on the microblock s Properties Details tab are listed below for Zone Humidity Zone Temp ZS Zone CO2 Default Value The value that outputs when communication of all enabled sensors fails or during sensor startup The def...

Страница 95: ...e 1 displays only integers e g 74 and 0 5 displays values to the nearest 0 5 e g 74 5 D R 1 1000 100 10 1 0 5 0 1 0 01 0 001 COV Increment To reduce Rnet traffic you can force the microblock to update its output only when the sensed value changes by more than the COV Increment D R 1 0 to 100 Occupancy Contact State The hardware state of the contact used for Remote Occupancy Override R Open Closed ...

Страница 96: ...r Position Cool Disable Enable Parallel Fan N A Cooling Modulate Damper Position Cool Disable Disable Heating Single Duct Parallel Fan No Cooling Minimum Damper Position Cool Disable Disable Series Fan No Heating Minimum Damper Position Cool Disable Enable Single Duct Yes Reheat Minimum Damper Position Enable N A Series or Parallel Fan Yes Heating Minimum Damper Position Cool Enable Enable Cool or...

Страница 97: ...Heat Enable N A Series or Parallel Fan No Heating Modulate Damper Position Heat Disable Enable Series or Parallel Fan Yes Heating Modulate Damper Position Heat Enable Enable Pressurization Linked air source only None Single Duct Parallel Fan N A Pressurize Maximum Damper Position Cool Disable Disable Series Fan N A Pressurize Maximum Damper Position Cool Disable Enable Cooling Single Duct Parallel...

Страница 98: ...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 Air Flow Percentage of Nominal Info 308 of design air flow Outdoor Air Temperature Info F Outside Air Temp 1 Rnet text is the scrolling text that appears on the ZS Pro Sensor s display NOTES To view p...

Страница 99: ...Effective Heat Setpoint R F eff_ht_stpt AV 3006 Fan Off Delay R W sec 120 fan_delay_off AV 9024 Filter Runtime R hr filter_rntm AV 2015 Filter Service Alarm Timer R W hr 0 filter_service_hrs AV 2019 Heating Capacity R htg_cap 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 B...

Страница 100: ...Control R W 0 Disable 1 Enable Inactive 0 rh_enable Setpoint Adjustment R W 0 Disable 1 Enable Active 1 stpt_adj_enable BV 1013 Shutdown R W 0 Inactive 1 Active Inactive 0 shutdown BV 9001 Air Source Mode R 1 Off 2 Warmup 3 Heat 4 Cool 5 Freecool 6 Pressure 7 Evac 8 Vent link_ahu_mode MSV 2005 BAS On Off R W 1 Inactive 2 Occupied 3 Unoccupied 1 keypad_ovrde MSV 1001 Optimal Start Type R W 1 None 2...

Страница 101: ...ty filter_alarm BV 7017 High SPT R 0 Normal 1 Alarm spt_hi_alarm BV 7011 Indoor Air Quality R 0 Normal 1 Alarm iaq_alarm BV 7005 Low SPT R 0 Normal 1 Alarm spt_lo_alarm BV 7012 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 7001 Supply Air Temperature R 0 Normal 1 Alarm sat_alarm BV 7...

Страница 102: ... with applicable graphic X H RE E CC JS 10 30 18 Wiring equipment to the VVT Zone II s outputs Wiring diagram legend Removed SPT sensors Now shown as Space temp sensor in diagrams C D Wiring sensors to the VVT Zone II s inputs To wire the T55 sensor to the controller Removed reference to SPT sensors C D Wiring sensors to the VVT Zone II s inputs Removed ZS SPT and wireless sensors because they are...

Страница 103: ......

Страница 104: ...CARRIER CORPORATION 2019 A member of the United Technologies Corporation family Stock symbol UTX Catalog No 11 808 603 01 1 25 2019 ...

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