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Index

RTU Open

Operating Mode • 58

Optimal Start • 39, 61

Outdoor Air CO2 • 58

Outdoor Air Temp Sensor Alarm • 70

Outdoor Air Temperature • 58

Outdoor CO2 Sensor Value @max (ma) • 40, 66

Outdoor CO2 Sensor Value @min (ma) • 40, 66

Outsi

de Air Temp Calibration • 59

Override Time Remaining • 68

Power Exhaust Setpoint • 39, 61

Power Exhaust Test • 66

Pushbutton Override • 59, 68

Reset Comp 1 Runtime Alarm • 68

Reset Comp 2 Runtime Alarm • 68

Reset Filter Runtime Alarm • 68

Reset Supply Fan

Runtime Alarm • 68

Reversing Valve Test • 66

Safety Chain alarm • 70

Safety Chain Feedback • 68

Schedules • 68

Service Test • 66

Setpoint Slider • 70

Space Relative Humidity • 58, 71

Space Relative Humidity Sensor alarm • 70

Space sensor type • 37, 59

Space Temp Calibration • 59

Space Temp Sensor • 70

Space Temp Sensor Alarm • 70

Space Temperature • 71

Space Temperature -

Prime Variable • 58

Space Temperature Alarm • 70

Supply Air Temp Calibration • 59

Supply Air Temp Sensor alarm • 70

Supply Air Temper

ature • 58

Supply Fan Runtime • 68

Supply Fan Runtime alarm • 70

Supply Fan Service Alarm Timer • 59

Supply Fan Status • 58

Switch Configuration • 70

System Cool Demand Level • 66

System Heat Demand Level • 66

System Mode • 58

System Outside Air Temperatur

e • 66

System Space Temperature • 66

T5x Override Duration • 59

Unit Start Delay • 59

Unit Type • 40, 66

Unocc Free Cool Enable • 59

Unocc Relative Humidity Setpoint • 39, 61

Unoccupied Cooling • 39, 61

Unoccupied Cooling 1 • 61

Unoccupied Cooling 2 • 61

noccupied Cooling Setpoint • 71

Unoccupied Heating • 39, 61

Unoccupied Heating 1 • 61

Unoccupied Heating 2 • 61

Unoccupied Heating Setpoint • 71

Unoccupied High SPT Alarm Limit • 65

Unoccupied Low SPT Alarm Limit • 65

Vent Dmpr Pos / DCV Min Pos • 59

Rnet • 20

Rnet wiring specifications • 20

Serial number • 55

SPT sensors • 20

Supply Air Temperature sensor • 21

temperature sensors

Duct Air Temperature sensor • 22

SPT sensors • 20

Supply Air Temperature sensor • 21

Troubleshooting • 55

Wiring specifications

Network • 11

Rnet • 20

Содержание RTU - OPEN

Страница 1: ... n 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 2010 A member of the United Technologies Corporation family Stock symbol UTX Catalog No 11 808 427 01 11 19 2010 ...

Страница 2: ......

Страница 3: ...pecifications 20 To wire the SPT sensor to the controller 21 Wiring a Supply Air Temperature sensor 21 Wiring specifications 22 To wire the SAT sensor to the controller 22 Wiring a Duct Air Temperature sensor 22 Wiring specifications 22 To wire a duct sensor to the controller 23 Wiring an Outdoor Air Temperature sensor 23 Wiring specifications 23 To wire an OAT sensor to the controller 23 Wiring a...

Страница 4: ... 40 Sequence of Operation 42 Occupancy 42 Supply fan 43 Cooling 43 Economizer 44 Power Exhaust 44 Unoccupied Free Cooling 45 Optimal Start 45 Enthalpy control 46 Indoor Air CO2 46 Heating 47 Heat Pump operation 48 Dehumidification 48 Demand Limit 49 Door switch 49 Remote occupancy 49 Fire Shutdown 49 Compressor Safety 49 Fan Status 50 Filter Status 50 Alarms 50 Linkage 53 Linkage Air Source Modes ...

Страница 5: ...Table of Contents RTU Open iii Linkage 71 I O Points 71 Appendix B Single Point Linkage and Device Address Binding 73 Single Point Linkage 73 Device Address Binding 74 Index 75 ...

Страница 6: ......

Страница 7: ...ficiency RTU Open enables the unit to run in 100 stand alone control mode or it can communicate to the Building Automation System BAS On board DIP switches allow you to select the baud rate and choose one of the following protocols BACnet Modbus Johnson N2 LonWorks Carrier s diagnostic display tools such as BACview6 Handheld or Virtual BACview can be used with the RTU Open controller via the J12 A...

Страница 8: ...Introduction 2 RTU Open ...

Страница 9: ... normally open Analog output 1 analog output AO1 2 10 Vdc or 4 20 mA Output resolution 10 bit D A Real time clock Battery backed real time clock keeps track of time in event of power failure Battery 10 year Lithium CR2032 battery provides a minimum of 10 000 hours of data retention during power outages Protection Incoming power and network connections are protected by non replaceable internal soli...

Страница 10: ...t support Conforms to the Advanced Application Controller B AAC Standard Device Profile as defined in ANSI ASHRAE Standard 135 2004 BACnet Annex L Listed by UL 873 FCC Part 15 Subpart B Class A CE EN50082 1997 Safety considerations Disconnect electrical power to the RTU Open before wiring it Failure to follow this warning could cause electrical shock personal injury or damage to the controller ...

Страница 11: ...ire sensors to the controller page 18 Field supplied hardware An RTU Open retrofit installation may require the following field supplied components wiring harness Part OPN RTUHRN transformer 24 Vac 20 VA minimum wiring Application dependent components carbon dioxide sensors damper damper actuator differential pressure switch enthalpy switch fan status switch door switch fan section door switch rel...

Страница 12: ...ts edges Isolate from high voltage or electrostatic discharge Ensure that you are properly grounded When you mount the RTU Open Do not locate in an area that is exposed to moisture vibration dust or foreign material Follow NEC and local electrical codes Do not obstruct access for unit maintenance Protect from impact or contact during unit maintenance We highly recommend that you mount the RTU Open...

Страница 13: ...ot relays from the same transformer that powers the RTU Open In most cases the RTU Open will be powered from the control power transformer provided with the rooftop equipment If you must use a separate control power transformer additional precautions must be taken to ensure that the auxiliary transformer is in phase with the rooftop equipment s control power transformer See Using an auxiliary cont...

Страница 14: ...auxiliary transformer Follow the manufacturer s installation instructions 3 Ground one leg of the auxiliary transformer s secondary wiring 4 Apply power to the rooftop equipment Measure the potential between the rooftop equipment control power and auxiliary transformer s secondary hot non grounded legs If the voltage measured is less than 5 volts the transformers are in phase proceed to step 7 If ...

Страница 15: ...the RTU Open s address The RTU Open s two rotary switches determine the RTU Open s MAC address when it is placed on an MS TP network The rotary switches define the MAC address portion of the RTU Open s BACnet device instance number which is composed of the MS TP network number and the MAC address They also set the slave address on a Modbus or N2 network when less than 100 See the RTU Open Integrat...

Страница 16: ...sed to set the controller s protocol and baud rate The protocol and speed selection is determined by the network on which the controller will be installed For Carrier BACnet implementations select MS TP 76 8 k as follows 1 Power down the RTU Open The controller reads the protocol and baud rate each time you apply power to it 2 Set SW3 DIP switches 1 2 and 4 to On to configure the controller for BA...

Страница 17: ...minals labeled Gnd and 24 Vac or Hot 2 Check the communications wiring for shorts and grounds 3 Connect the communications wiring to the BACnet port s screw terminals labeled Net Net and Shield NOTE Use the same polarity throughout the network segment 4 Verify that the MSTP jumper is set to MSTP 5 Set DIP switches 1 and 2 to the appropriate baud rate See the MSTP baud diagram on the RTU Open The d...

Страница 18: ... A 1 2 Input 7 AI 10K Thermistor Outside Air Temperature 33ZCSENOAT J2 N A 3 2 Input 8 BI 24 Vac Enthalpy Fan Status Filter Status Remote Occupancy Door Contact 33SENTHSW 33CSAS 01 33CSFS 01 Field supplied Field supplied J2 6 7 J5 Input 9 1 2 BI 24 Vac Humidistat Fan Status Filter Status Remote Occupancy Door Contact TSTATCCPLH01 B 33CSAS 01 33CSFS 01 Field supplied Field supplied J5 N A 7 8 Input...

Страница 19: ...ecifications Input Maximum length Minimum gauge Thermistor Shielding 1000 feet 305 meters 22 AWG Unshielded 4 20 mA 3000 feet 914 meters 22 AWG Unshielded Binary input 1000 feet 305 meters 22 AWG Unshielded SPT RNET 500 feet 152 meters 22 AWG 4 conductor Unshielded Inputs These RTU Open inputs accept the following signal types These inputs Support this signal type 1 2 Description 4 20 mA The input...

Страница 20: ...t The RTU Open has 1 analog output that supports voltage or current devices The controlled device must share the same ground as the controller and have input impedance of 500 Ohms maximum for the 4 20 mA mode on AO 1 To wire inputs and outputs 1 Turn off the RTU Open s power 2 Connect the input wiring to the screw terminals on the RTU Open 3 Turn on the RTU Open s power 4 Set the appropriate jumpe...

Страница 21: ...nstalled configurable as normally open or closed Enthalpy switch field installed configurable as normally open or closed J4 Inputs 1 Turn off the RTU Open s power 2 Connect the input and output wiring to the screw terminals on the RTU Open NOTE When utilizing the controller s 24 Vdc auxiliary power out the total current demand for these two input channels must not exceed 40 mA 100mA per channel ...

Страница 22: ...Sensor J5 Inputs The terminals for Inputs 3 5 and 8 are available for use in place of the flying wire leads at Molex connectors J1 and J2 identified below NOTE J5 binary inputs 3 5 and 8 are the same input channels as J1 wire 2 J5 Input 3 Compressor Safety J1 wire 10 J5 Input 5 Fire Shutdown J2 wire 6 J5 Input 8 Enthalpy Switch ...

Страница 23: ... following functions Input Default input function Additional functions Compressor Safety 3 Fan Status Filter Status Remote Occupancy Door Contact Fire Shutdown 5 Fan Status Filter Status Remote Occupancy Door Contact Enthalpy Switch 8 Fan Status Filter Status Remote Occupancy Door Contact HumidiStat 9 Fan Status Filter Status Remote Occupancy Door Contact J11 Outputs ...

Страница 24: ...TE This document gives instructions for wiring the sensors to the RTU Open For specific mounting and wiring instructions see the Carrier Sensors Installation Guide All field control wiring that connects to the RTU Open must be routed through the raceway built into the corner post The raceway provides the UL required clearance between high and low voltage wiring 1 Pass the control wires through the...

Страница 25: ...page 22 33ZCSENDAT Outdoor air temperature sensor page 23 33ZCSENOAT Factory supplied with Economizer CO2 sensor page 24 33ZCSENCO2 33ZCT55CO2 33ZCT56CO2 Required only for demand control ventilation a dedicated 24 vac transformer is required Outdoor air quality sensor page 25 33ZCTSENCO2 Optional with demand control ventilation Duct relative humidity sensor page 26 33ZCSENDRH 01 Space relative hum...

Страница 26: ... combinations of devices wired in a daisy chain configuration 1 SPT Plus or SPT Pro 1 4 SPT Standards 1 4 SPT Standards and 1 SPT Plus or SPT Pro Any of the above combinations plus up to 2 BACview6 NOTES s but no more than 6 devices total If you have 2 BACview6 s the second BACview6 must have a separate power supply with the same ground as the controller If the Rnet has multiple SPT Standard senso...

Страница 27: ... Inner insulation 25 in 6 cm 2 Wire each terminal on the sensor to the same terminal on the controller See diagram below NOTE Carrier recommends that you use the following Rnet wiring scheme Connect this wire Red To this terminal Black White Green 12V Rnet Rnet Gnd Wiring a Supply Air Temperature sensor Part 33ZCSENSAT The RTU Open requires a temperature sensor installed in the supply air stream T...

Страница 28: ...2 Wire the sensor to the wiring harness See diagram below 3 Connect to J2 wires 1 and 2 4 Verify your sensor readings Wiring a Duct Air Temperature sensor Part 33ZCSENDAT The RTU Open requires a temperature sensor installed in the supply air stream The Duct Temperature DAT sensor is generally used when the rooftop unit is NOT equipped with electric heating Wiring specifications Cable from sensor t...

Страница 29: ...ring harness assembly Part OPN RTUHRN Wiring an Outdoor Air Temperature sensor Part 33ZCSENOAT Outdoor Air Temperature OAT is required to utilize all of the RTU Open s features OAT may be provided by a local sensor shown below or a linked sensor in another controller See Single Point Linkage page 73 Wiring specifications Cable from sensor to controller If 100 ft 30 5 meters 22 AWG unshielded If 10...

Страница 30: ...ion requires an Aspirator Box Accessory Part 33ZCASPCO2 The sensor has a range of 0 2000 ppm and a linear 4 20 mA output The CO2 sensor s power requirements exceed what is available at J4 1 and 4 Provide a dedicated 24Vac transformer or DC power supply Wiring specifications Cable from sensor to controller If 100 ft 30 5 meters 22 AWG unshielded If 100 ft 30 5 meters 22 AWG shielded Maximum length ...

Страница 31: ...An outdoor air quality OAQ sensor monitors outside air carbon dioxide levels The RTU Open uses this information in conjunction with a CO2 sensor to adjust the outside air dampers to provide proper ventilation An OAQ sensor is typically duct mounted in the outside air stream Duct installation requires an Aspirator Box Accessory Part 33ZCASPCO2 ...

Страница 32: ...appropriate diagram below 2 Install a field supplied dedicated 24 Vac transformer or DC power supply 3 Apply power and verify sensor readings Wiring diagram for 33ZCSENCO2 NOTE Sensor may be terminated at Input 1 or 2 Wiring a Relative Humidity sensor Wall sensor Part 33ZCSENSRH 01 Duct sensor Part OPNSENRH 01 The Relative Humidity RH sensor may be used for zone humidity control dehumidification w...

Страница 33: ...ntroller See diagram below 3 Apply power and verify sensor readings NOTE Sensor may be terminated at Input 1 or 2 Wiring a Humidistat Locally Purchased A humdistat may be used for zone humidity control dehumidification when applied to a Carrier rooftop unit equipped with the Humidi MiZer option On units not equipped for dehumidification the humidistat will indicate a high humidity condition only W...

Страница 34: ...ring an enthalpy switch Outdoor Air Part 33CSENTHSW Return air Part 33CSENTSEN The 33CSENTHSW is an outdoor air enthalpy switch receiver This control determines the suitability of the outdoor air as a cooling source based on the heat content of the air Differential enthalpy control requires installing a 33CSENTSEN enthalpy sensor in the rooftop unit s return air duct Wiring specifications Cable fr...

Страница 35: ... switch is typically mounted in the outdoor air inlet Wiring diagram for a field installed enthalpy switch NOTES Factory installed enthalpy switches terminate at J2 wires 6 switch input and 7 24 Vac Input channel must be configured for the enthalpy contact N O or N C that you use ...

Страница 36: ... 30 RTU Open Wiring diagram for factory installed enthalpy switch NOTE Factory installed enthalpy switches terminate at J2 wires 6 switch input and 7 24 Vac To wire an enthalpy switch differential to the controller ...

Страница 37: ...CSFS 01 or field supplied Fan status Part 33CSAS 01 or field supplied Filter and or fan status switches may be installed to provide a Dirty Filter indication or Fan Running status Wiring specifications Cable from sensor to controller If 100 ft 30 5 meters 22 AWG unshielded If 100 ft 30 5 meters 22 AWG shielded Maximum length 500 feet 152 meters ...

Страница 38: ...used for their default functions Follow device manufacturer s installation and operating instructions Wiring a compressor safety This is typically provided by the manufacturer with the rooftop equipment A compressor safety status may be monitored if available Wiring specifications Cable from sensor to controller If 100 ft 30 5 meters 22 AWG unshielded If 100 ft 30 5 meters 22 AWG shielded Maximum ...

Страница 39: ...g an occupancy switch or door contact Occupancy switch field supplied Door contact field supplied Occupancy or door contact switches may be installed to provide an alternate means of occupancy determination or heating and cooling lockout See Sequence of Operation page 42 for additional details Wiring specifications Cable from sensor to controller If 100 ft 30 5 meters 22 AWG unshielded If 100 ft 3...

Страница 40: ...tact NOTES Binary Inputs 3 5 8 and 9 are configurable and may be used for Fan Status Filter Status Remote Occupancy or Door Contacts provided they have not been utilized for their default functions Follow device manufacturer s installation and operating instructions ...

Страница 41: ...connected to controller s Local Access port Temporary interface 1 Virtual BACview software runs on a laptop connected to controller s Local Access port Temporary interface 1 2 BACview6 Handheld keypad display unit connects to controller s Local Access port Temporary interface 1 2 BACview6 keypad display unit connected to controller s Rnet port Permanent interface 2 1 Requires a USB Link USB L 2 Se...

Страница 42: ...mmended to return every Service Test variable to Disable or 0 00 after testing each function unless that test variable must be active to test a subsequent function as in Compressor 2 Test All outputs return to normal operation when Service Test is set to Disable Service Test functions Use Fan Test to activate and deactivate the Supply Fan BO 1 output Note that this output may enable simultaneously...

Страница 43: ...rties Unit Configuration properties i Vu Field Assistant Navigation BACview Properties Equipment Configuration Unit Configuration HOME CONFIG UNIT Point Name Description Default Range Fan Mode Options The supply fan s operating mode Auto The fan cycles on off in conjunction with heating or cooling Continuous The fan runs continuously during occupancy intermittently during unoccupied periods with h...

Страница 44: ...Sets occupancy using a hardware contact R Fire Shutdown No Function Fire Shutdown Fan Status Filter Status Remote Occupancy Door Contact Input 5 Switch Configuration D The normal de energized state for the set of contacts terminated at Input R NC NO NC normally open normally closed Input 8 Function The usage of Input 8 You must also set Input 8 Switch Configuration Options No Function The input is...

Страница 45: ...lect a color band on the setpoint graph to see the current setpoints in the Heating and Cooling fields See setpoint descriptions below Point Name Description Default Range Occupied Heating D Green The heating setpoint the controller maintains while in occupied mode R 70 F 40 to 245 F Occupied Cooling D Green The cooling setpoint the controller maintains while in occupied mode R 74 F 40 to 245 F Un...

Страница 46: ...ion Economizer Exists must be set to Yes and Configuration Service Configuration Continuous Occupied Exhaust must be set to No D R 50 Open 20 to 90 Open Service Configuration properties i Vu Field Assistant Navigation BACview Properties Equipment Configuration Service Configuration HOME CONFIG SERVICE Point Name Description Default Range Unit Type Options The type of equipment that the RTU Open is...

Страница 47: ... min ma D The CO2 value that corresponds to a 4mA input at the appropriate input channel R 0ppm 0 to 9999 ppm Indoor CO2 Sensor Value max ma D The CO2 value that corresponds to a 20mA input at the appropriate input channel R 2000 ppm 0 to 9999 ppm Outdoor CO2 Sensor Value min ma D The CO2 value that corresponds to a 4 mA input at the appropriate input channel R 0ppm 0 to 9999 ppm Outdoor CO2 Senso...

Страница 48: ...Cnet schedule configured in i Vu networked through an i Vu Open Router A BACnet or local schedule configured for subordinate VVT Zones networked through an i Vu Open Router s and employing Linkage To set up occupancy schedules consult the documentation for your user interface NOTE A BACnet schedule downloaded from i Vu will overwrite a local schedule that was set up with BACview or Field Assistant...

Страница 49: ...owing as required by local fire codes alarms RTU supply fan RTU economizer RTU power exhaust The RTU Open may be configured to accept a Supply Fan Status input to provide proof the supply fan is operating When enabled a loss or lack of fan status will stop heating and cooling operation A Supply Fan Alarm Service Timer function is available to track the number of supply fan run hours and generate a...

Страница 50: ... provides an analog economizer output for rooftop units with economizer dampers Economizer dampers may be used to provide free cooling and indoor air quality control when outside air conditions are suitable The following conditions must be true for economizer operation The Outdoor Air Temperature is less than the Space Temperature and less than the Economizer High OAT Lockout Temp setpoint The ind...

Страница 51: ...ce is satisfied or the outside air conditions are no longer suitable for free cooling Optimal Start The RTU Open may utilize Optimal Start Optimal Start adjusts the effective setpoints to achieve the occupied setpoints by the time scheduled occupancy begins The Optimal Start recovery period may begin as early as 4 hours prior to occupancy The algorithm works by moving the unoccupied setpoints towa...

Страница 52: ...available This point is displayed in i Vu and BACview as Enthalpy BACnet The sequence of operation for economizer cooling is the same with or without an enthalpy switch except that an enthalpy switch imposes one more validation on the suitability of outside air for economizer cooling An Enthalpy Status that is High disables the economizer and the outside air damper goes to its minimum position An ...

Страница 53: ...lve Heat Pump applications The following conditions must be true for the heating algorithm to operate The Outdoor Air Temperature is less than the Heating Lockout Temperature setpoint The indoor fan has been ON for at least 30 seconds The unit has a valid Supply Air Temperature input The unit has a valid Space Temperature input Neither Cool mode nor economizer are active and the time guard between...

Страница 54: ...n from the factory This requires a space relative humidity sensor or a humidistat for control The following conditions must be true for the dehumidification control to operate The Outside Air Temperature is greater than the Cooling Lockout Temperature setpoint The Indoor Fan has been ON for at least 30 seconds The unit has a valid Supply Air Temperature input The unit has a valid Space Temperature...

Страница 55: ...ngle zone rooftop Door Contact disables mechanical cooling and electric or gas heating when active Economizer cooling if available continues to operate Remote occupancy Remote occupancy may be configured on any unused binary input channel A typical application is a remote contact controlled by a third party to set the controller s occupied mode The Remote Occupancy function requires both an input ...

Страница 56: ...NOTE Some of the Alarms functions described in this section will only be visible on the Properties page Equipment tab Alarms when the appropriate inputs are configured Alarms are not initiated when the input is not configured Safety Chain You may use the RTU Open s safety chain circuit to shut down the unit for a safety condition Examples Low or High Temperature Cutouts Freezestat Firestat See To ...

Страница 57: ... the space temperature falls below the lower limit of the blue color bar A High Space Temperature alarm is generated if the space temperature rises above the upper limit of the orange color bar Unoccupied An unoccupied low space temperature alarm is generated when the space temperature falls below the Alarm Configuration Unoccupied Low SPT Alarm Limit An unoccupied high space temperature alarm is ...

Страница 58: ... Service Alarm Timer value when not set to 0 This alarm is most commonly used to indicate an equipment maintenance interval is due The Compressor 1 Runtime accumulator may be reset by setting the Maintenance Reset Comp 1 Runtime Alarm to Clear and then back to Run acknowledging each selection by clicking the OK button when it appears Setting Unit Configuration Compressor 1 Service Timer value to 0...

Страница 59: ... 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 RTU Open for Cooling if the number of occupied zones with cooling demands exceeds the number of occupied zones with heating demands and the demand is greater than or equal to the number of configured Link...

Страница 60: ...the VVT Master calculates the weighted average of the occupied and unoccupied heating and cooling setpoints It also calculates a zone temperature that is midway between the setpoints occupied or unoccupied based on the system s current occupancy status This information plus the occupancy status is sent to the air source so that its current mode is disabled and the unit ceases heating or cooling op...

Страница 61: ...e RTU Open is transmitting data over the network segment Tx The binary output is active DO The Run and Error LED s indicate controller and network status If Run LED shows And Error LED shows 2 flashes per second Status is Off Normal 2 flashes per second 2 flashes alternating with Run Five minute auto restart delay after system error LED 2 flashes per second 3 flashes then off The controller has ju...

Страница 62: ...ost information and should only be done under the guidance of Carrier Control Systems Support Replacing the RTU Open s battery The RTU Open s 10 year Lithium CR2032 battery provides a minimum of 10 000 hours of data retention during power outages CAUTION Power must be ON to the RTU Open when replacing the battery or your date time and trend data will be lost 1 Remove the battery from the controlle...

Страница 63: ...armful interference in which case the user will be required to correct the interference at his own expense CAUTION Changes or modifications not expressly approved by the responsible party for compliance could void the user s authority to operate the equipment CE Compliance WARNING This is a Class A product In a domestic environment this product may cause radio interference in which case the user m...

Страница 64: ...45 F Supply Air Temperature R The current supply air temperature 56 to 245 F Outdoor Air Temperature R The outdoor air temperature value used for control 56 to 245 F Space Relative Humidity The current space relative humidity if Configuration Unit Configuration Input 1 or 2 Function is set to Space RH Sensor R 0 to 100 rh Indoor Air CO2 The current indoor air CO2 concentration if the Configuration...

Страница 65: ...150 F Vent Dmpr Pos DCV Min Pos D The minimum outdoor air damper position maintained during occupied periods R 50 Open 0 to 100 Open DCV Max Vent Damper Pos D The maximum outdoor air damper position allowed while DCV is active R 50 Open 10 to 60 Open Supply Fan Service Alarm Timer D A Supply Fan Runtime alarm is generated when the supply fan run hours exceed this value Set to 0 to disable R 600 hr...

Страница 66: ...4 20 mA connected to terminals J4 1 2 3 R No Sensor No Sensor IAQ Sensor OAQ Sensor Space RH Sensor Input 3 Function The usage of Input 3 You must also set Input 3 Switch Configuration Options No Function The input is not used Compressor Safety Safety device status Fan Status Proves supply fan operation Filter Status Indicates a dirty filter Remote Occupancy Sets occupancy using a hardware contact...

Страница 67: ...tact R Humidistat No Function Humidistat Fan Status Filter Status Remote Occupancy Door Contact Input 9 Switch Configuration D The normal de energized state for the set of contacts terminated at Input R NO NO NC normally open normally closed Space sensor type D The type of local space temperature sensor R T55 T55 T56 Use for T59 SPT Sensor None T5x Override Duration D If using a T55 T56 or T59 sen...

Страница 68: ...fective demand level setpoints automatically change by the same amount See Sequence of Operation 42 page for more information Default Range 40 to 245 F Demand Level Point Name Description Occupied 1 2 3 Occupied Heating 70 F Green The heating setpoint the controller maintains while in occupied mode 69 F 68 F 66 F Occupied Cooling 74 F Green The cooling setpoint the controller maintains while in oc...

Страница 69: ...he VVT Master to consider the zone an unoccupied heating caller in a linked system In a single zone application the unoccupied heating requirement begins as soon as the space temperature falls below the Unoccupied Heating setpoint We recommend that the Unoccupied Heating 1 value be set no less than 0 5 F below the Unoccupied Heating D setpoint R 54 F 40 to 245 F Unoccupied Heating 2 Dark Blue The ...

Страница 70: ...t design references R 100 F 100 to 150 F Hysteresis For example the following graph shows the zone color that results as the zone temperature departs from and returns to the acceptable range in a zone with the following settings The desired difference between the temperature at which the zone color changes as the zone temperature departs from the acceptable range between the heating and cooling se...

Страница 71: ...er Exhaust relay Configuration Service Configuration Economizer Exists must be set to Yes and Configuration Service Configuration Continuous Occupied Exhaust must be set to No D R 50 Open 20 to 90 Open Alarm Configuration i Vu Field Assistant Navigation BACview Properties Equipment Configuration Alarm Configuration HOME CONFIG ALARMS Point Name Description Default Range Space Temperature Alarm Occ...

Страница 72: ...on Input 1 or 2 Function set to Space RH Sensor D R 30 0 99 High Space Humidity Alarm Limit The value that the relative humidity must rise above to generate a High Space Humidity Alarm Requires a space relative humidity transmitter and Configuration Unit Configuration Input 1 or 2 Function set to Space RH Sensor D R 70 0 99 IAQ Ventilation Alarm Occupied High CO2 Alarm Limit The value that the CO2...

Страница 73: ...ut channel R 0ppm 0 to 9999 ppm Outdoor CO2 Sensor Value max ma D The CO2 value that corresponds to a 20 mA input at the appropriate input channel R 2000 ppm 0 to 9999 ppm System Space Temperature D The network space temperature value that the controller is using for control if applicable R 999 00 F N A System Cool Demand Level D The system cool demand level being received over the network R 0 00 ...

Страница 74: ...nable D R 0 Open 0 to 100 Open Analog Output 2 Test D Analog Output 2 0 10 Vdc is currently unused R 0 0 to 100 Maintenance i Vu Field Assistant Navigation BACview Properties Equipment Maintenance HOME MAINT Point Name Description Default Range Unit Occupancy Status R The controller s occupancy status as determined by a network schedule a local schedule or a timed override Occupied Unoccupied Spac...

Страница 75: ...figured schedule Occupied The controller is always in the occupied mode Unoccupied D The controller is always in the unoccupied mode R Inactive Inactive Occupied Unoccupied Schedules R The controller s occupancy status based on the schedule Occupied Unoccupied Pushbutton Override Active R indicates if a user pushed the sensor s override button to override the occupancy state Off Active Override Ti...

Страница 76: ...or s range Alarm Limit Exceeded R The alarm limit that the alarming space temperature sensor exceeded 60 to 250 F High Supply Air Temperature Indicates if the supply air temperature exceeds the High SAT Alarm Limit R Normal Alarm Low Supply Air Temperature Indicates if the supply air temperature falls below the Low SAT Alarm Limit R Normal Alarm Setpoint Slider R Indicates if the T56 sensor s setp...

Страница 77: ...the following provide information received from the VVT Master as applicable Occupancy Status Space Temperature Occupied Cooling Setpoint Occupied Heating Setpoint Unoccupied Cooling Setpoint Unoccupied Heating Setpoint Indoor Air CO2 Space Relative Humidity I O Points The values shown on the I O Points Properties page are the raw values at the I O objects and may not match values shown on status ...

Страница 78: ...r configurable for No Function Compressor Safety Fan Status Filter Status Remote Occupancy or Door Contact input 4 Input Channel 4 Dry Contact only Safety Chain input 5 Input Channel 5 Dry Contact only User configurable for No Function Fire Shutdown Fan Status Filter Status Remote Occupancy or Door Contact input 8 Input Channel 8 Dry Contact only User configurable for No Function Enthalpy Fan Stat...

Страница 79: ...tant on the Properties page Network Points tab The following example involves outside air temperature System Heat Cool Demand Level behaves similarly except that their usage involves a specific application loaded on a Universal Controller Open See UC Open Installation Guide for additional information In either case note that the BACnet type and instance numbers specified in the Address field of th...

Страница 80: ... receive data from other Open controllers when they are connected by a network You must configure this method Currently the RTU Open allows Device Address Binding DAB only for System Space Temperature Network Points on which DAB may be implemented are displayed in i Vu and Field Assistant on the Properties page Network Points tab with an undefined BACnet address ...

Страница 81: ... Status 68 Fan Mode 37 59 Fan Off Delay 59 Fan Test 66 Filter Alarm 70 Filter Runtime 68 Filter Service Alarm Timer 59 Fire Shutdown 68 Fire Shutdown alarm 70 Heat 1 Test 66 Heat 2 Test 66 Heat Type 40 66 Heating Capacity 61 Heating Design Temp 61 Heating Lockout Temperature 59 High CO2 alarm 70 High SAT Alarm Limit 65 High Space Humidity Alarm Limit 65 High Space Relative Humidity alarm 70 High S...

Страница 82: ...ly Air Temp Calibration 59 Supply Air Temp Sensor alarm 70 Supply Air Temperature 58 Supply Fan Runtime 68 Supply Fan Runtime alarm 70 Supply Fan Service Alarm Timer 59 Supply Fan Status 58 Switch Configuration 70 System Cool Demand Level 66 System Heat Demand Level 66 System Mode 58 System Outside Air Temperature 66 System Space Temperature 66 T5x Override Duration 59 Unit Start Delay 59 Unit Typ...

Страница 83: ......

Страница 84: ...CARRIER CORPORATION 2010 A member of the United Technologies Corporation family Stock symbol UTX Catalog No 11 808 427 01 11 19 2010 ...

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