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Installation

 

 

 

 

 

Wiring diagram for #33ZCT55CO2:

 

 

 

 

 
 

 

Wiring a Relative Humidity sensor 

Part #33ZCSENSRH-02 

  
The Relative Humidity (RH) sensor 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 CO

2

 sensor on the same zone controller. 

 
 

 

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) 

 
 
 
 

 

VAV Zone Controllers 

21 

 

Содержание Carrier OPN-VAVB1

Страница 1: ...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 2013 A member of the United Technologies Corporation family Stock symbol U...

Страница 2: ......

Страница 3: ...occupancy sensor 22 Wiring specifications 23 Wiring equipment to outputs 23 Wiring specifications 24 Balancing the system using the i Vu Field Assistant applications 24 Step 1 Prepare for balancing 2...

Страница 4: ...for balancing 37 Sequence of operation 38 Temperature sensors 38 Zone airflow control 38 Zone reheat control 39 Demand control ventilation DCV and dehumidification using optional sensors 40 Occupancy...

Страница 5: ...ow of conditioned air into the space Buildings with diverse loading conditions can be supported by controlling the local terminal s supplemental heat The VAV Zone Controller provides dedicated control...

Страница 6: ...o be mounted inside the building envelope Warranty voided if mounted outside Interconnect the Outputs of Different Class 2 Circuits To ReduceThe Risk of Fire or Electric Shock Do Not CAUTION BACnet AO...

Страница 7: ...Electric Shock Do Not CAUTION BACnet AO 0 10 Vdc 5mAMax Local Access Short pins Enable SAT Enable SAT and REMOTE CW CCW Motor Error Run Power 0 5Vdc Made in USA Inputs Tx Rx MSTP Baud 76 8k 38 4k 19...

Страница 8: ...lex as multiple MS TP networks with VAV sub masters and slaves on other networks See the following examples EXAMPLE 1 A simple network The VAV Master exchanges data between the slave controllers and t...

Страница 9: ...wer 24 Vac 10 50 60 Hz 14 VA power consumption 20 VA with BACview device attached 26 Vdc 25 V min 30 V max Single Class 2 source only 100 VA or less BACnet port For communication with the controller n...

Страница 10: ...year Lithium CR2032 battery retains the following data for a maximum of 10 000 hours during power outages control programs editable properties schedules and trends Protection Incoming power and netwo...

Страница 11: ...nimum shaft diameter 3 8 in 95 cm Maximum shaft diameter 1 2 in 1 27 cm Minimum shaft length 1 3 4 in 4 45 cm Weight 1 7 lbs 0 77 kg BACnet support Conforms to the BACnet Advanced Application Controll...

Страница 12: ...dgment should be used in applying any manufacturer s instructions to avoid injury to personnel or damage to equipment and property ELECTRICAL SHOCK HAZARD Failure to follow this warning could cause pe...

Страница 13: ...ar 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 senso...

Страница 14: ...roller s cover 3 Mount the controller to the VAV terminal by sliding the clamp assembly onto the damper shaft Damper Shaft VAV Terminal Controller Anti rotation slot 4 Secure the controller by install...

Страница 15: ...igure below b Move the stop clamp until it contacts the edge of the actuator cam c Tighten the screw Move stop clamp if necessary 9 Hold down the damper release button rotate the damper to verify that...

Страница 16: ...en controllers To wire the controller for power 1 Remove power from the power supply 2 Pull the screw terminal connector from the controller s power terminals labeled Gnd and 24 Vac or Hot 3 Connect t...

Страница 17: ...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 the controller s address Set the Tens 10 s switch to the tens di...

Страница 18: ...ow capacitance twisted stranded shielded copper wire Maximum length 2000 feet 610 meters To wire the controller to the network 1 Pull the screw terminal connector from the controller s power terminals...

Страница 19: ...or page 22 NOTE This document gives instructions for wiring the sensors to the VAV Zone Controller For mounting and wiring the sensors see the Carrier Sensors Installation Guide Disconnect electrical...

Страница 20: ...air temperatures setpoints and local override time MODE button to cycle through custom programmed modes FAN button to select fan AUTO ON Local access port You wire SPT sensors to a controller s Rnet...

Страница 21: ...ation Strip about 25 inch 6 cm of the inner insulation from each wire Outer Jacket Inner insulation 25 in 6 cm 2 Wire each terminal on the sensor to the same terminal on the controller See diagram bel...

Страница 22: ...ches 7 62 cm Strip 25 inch 6 cm of insulation from each wire 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 bla...

Страница 23: ...o display A CO2 sensor monitors carbon dioxide levels As CO2 levels increase the VAV Zone Controller adjusts the outside air dampers to increase ventilation and improve indoor air quality These sensor...

Страница 24: ...propriate diagram below 2 Verify that the RH CO2 jumper is set to 0 5Vdc on the VAV Zone Controller 3 Verify the J7 jumper on the sensor is set to 0 5Vdc Wiring diagram for 33ZCSPTCO2 33ZCT55CO2 1 Wir...

Страница 25: ...ation 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 Wiring specificat...

Страница 26: ...below 3 Using electrical tape insulate any exposed resistor lead to prevent shorting 4 Verify that the RH CO2 jumper is set to 0 5Vdc 5 Set SW3 on the sensor as shown below Wiring a remote occupancy s...

Страница 27: ...heat Single duct ducted electric heat with modulating baseboard heat page 30 3 stage electric heat Single duct ducted or baseboard page 30 SCR electric heat Single duct ducted or baseboard page 31 VAV...

Страница 28: ...es instruct you to use the i Vu or Field Assistant application to balance the system However you can also use the Test Balance tool that includes global commands to assist you in balancing the system...

Страница 29: ...ied measuring device Enter the measured cfm liters 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 Occu...

Страница 30: ...k its Damper Command button b Wait for Damper Ready c Enter the Measured Flow and Sensor Reading as described in step 6 9 Click Apply to send your changes to the controller and update the Last Calibra...

Страница 31: ...ng the report uploads the values from the controller to the i Vu Field Assistant application You will lose all your calibrations if you download to the controller in the i Vu Field Assistant interface...

Страница 32: ...Remote occupancy sensor Relative humidity sensor Supply air temperature sensor Silicon controlled rectifier Space temperature sensor Alternate space temperature sensor Field supplied wiring No heat Si...

Страница 33: ...Single duct VAV Zone Single Duct Controller or VAV Zone Fan Terminal Controller Modulating hot water steam ducted or baseboard Single duct application VAV Zone Single Duct Controller or VAV Zone Fan...

Страница 34: ...ting baseboard heat Single duct application VAV Zone Single Duct Controller or VAV Zone Fan Terminal Controller Electric heat ducted or baseboard Single duct application VAV Zone Single Duct Controlle...

Страница 35: ...d or baseboard Single duct application VAV Zone Single Duct Controller or VAV Zone Fan Terminal Controller 2 position hot water steam ducted or baseboard Fan box application VAV Zone Fan Terminal Cont...

Страница 36: ...er ducted or baseboard Fan box application VAV Zone Fan Terminal Controller only Combination heat ducted electric heat with modulating baseboard heat Fan box application VAV Zone Fan Terminal Controll...

Страница 37: ...tage electric heat ducted or baseboard Fan box application VAV Zone Fan Terminal Controller only SCR electric heat ducted or baseboard Single duct application VAV Zone Fan Terminal Controller VAV Zone...

Страница 38: ...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 manu...

Страница 39: ...properties To start up the VAV Zone Controller you must configure certain points and properties Appendix A page 51 is a complete list of all the points and properties with descriptions defaults and r...

Страница 40: ...Click Dampers Full Open and verify it goes to the full open position c Verify that the air source is off and then calibrate the zero airflow reading at the terminal control Click Zero Flow and verify...

Страница 41: ...e Please refer to Test Balance s Help files for details on the steps required to complete the balancing procedure NOTE We recommend that you set the heating minimum airflow settings for all the zones...

Страница 42: ...if the controller is stand alone See Air Source Mode Determination page 46 for details See the Carrier Sensors Installation Guide for details on these sensors Zone airflow control The VAV Zone Control...

Страница 43: ...fan box should have a unique power fail restart delay to avoid closing all dampers simultaneously Damper Actuator s The VAV Zone Controller s built in 35 in lb 4 Nm actuator has a 205 second full tra...

Страница 44: ...Heating SAT 105 F 40 5 C default CV Modulating Heat The controller can modulate a normally closed or normally open hot water or steam or steam valve connected to a perimeter baseboard radiation system...

Страница 45: ...one is occupied If the zone is occupied does not require heating and the air source is operating in a cooling mode the controller will override the temperature control to increase airflow to the zone...

Страница 46: ...ts graph under Setpoints BAS On Off This function allows third party control of the controller occupancy Occupancy Schedules must be set to Disable to use this function When set to Occupied or Unoccup...

Страница 47: ...is for return to normal is 100ppm Filter Alarm For series or parallel fan powered terminals the controller monitors the accumulated hours of fan operation and generates an alarm when accumulated hours...

Страница 48: ...e 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 status section of the Properties page It calc...

Страница 49: ...es 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 control accordingly The system remains in that mode until all zone...

Страница 50: ...ontroller monitors the cfm liters second for fan status and its SAT sensor to determine if the primary air source is providing heating cooling or recirculating air in a fan only or ventilation mode HE...

Страница 51: ...urce fan mode of OFF usually cannot be detected on series fan boxes This is because the terminal s series fan when operating with the terminal damper open usually creates enough primary airflow to pre...

Страница 52: ...nt DO The digital output is active CW The actuator motor is turning clockwise CCW The actuator motor is turning counterclockwise The Run and Error LED s indicate controller and network status If Run L...

Страница 53: ...emory to the VAV Zone Controller Replace the VAV Zone Controller Serial number If you need the VAV Zone Controller s serial number when troubleshooting the number is on a sticker on the back of the ma...

Страница 54: ...erence 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...

Страница 55: ...n 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 Capacity The current reheat capacity when the zone is configured for reheat R 0 to...

Страница 56: ...ture control When active the damper modulates to the temperature control requirement or the DCV Max Vent Airflow whichever is greater This value is a percentage of the Maximum Cooling Airflow Setpoint...

Страница 57: ...Calibration A calibration offset value to allow the local space temperature sensor to be adjusted to match a calibrated standard measuring the temperature in the same location D R 0 F C 9 9 to 10 F 5...

Страница 58: ...f 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 Leve...

Страница 59: ...ce 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...

Страница 60: ...ecommend 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 Range Heating Capacity Used for Optimal...

Страница 61: ...5 hysteresis 5 hysteresis D R 0 5 F 27 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 cap...

Страница 62: ...color at occupancy is red D R 0 1900 0 to 1 1055 Point Name Description Default Range Heating Occupied or Unoccupied depending on mode The current programmed Heating setpoint adjusted by any offset t...

Страница 63: ...pace 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 s...

Страница 64: ...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...

Страница 65: ...splay shows the alarm indicator on the SPT Pro and SPT Pro Plus sensor if a Filter alarm is active D R Display Ignore Display Space High Humidity Alarm If set to display shows the alarm indicator on t...

Страница 66: ...rent space temperature setpoint when the terminal is heating and the Heat Type is set to CV Modulating CAUTION The default values should be changed only by a technician trained in PID Loop algorithms...

Страница 67: ...o 9999 ppm CO2 Sensor Value Max Volts The ppm value that correlates to the CO2 sensor s high voltage reading D R 2000 ppm 0 to 9999 ppm Flow Control Click Flow Control to access the microblock popup P...

Страница 68: ...ines the damper position For all other terminal types set to 0 D R 1680 cfm 793 liters second 0 to 99999 cfm liters second Test and Balance Use the following command buttons when commissioning a zone...

Страница 69: ...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 inactiv...

Страница 70: ...maintained to satisfy the ventilation requirement R 0 to 100 Calculated Dehumidify Capacity If RH Control is set to Enable this is the calculated minimum airflow expressed as a percentage that will be...

Страница 71: ...imit that caused the space temperature alarm condition Value is only displayed when the Space Temperature alarm above is in Alarm R 56 to 245 F 48 9 to 118 3 C Space Temp Sensor Indicates if the space...

Страница 72: ...ber Address NOTE If you change the Network Number or Address from a BACview device you must cycle power to the controller for the changes to take effect D R D R 0 0 to 65 535 0 0 to 127 Airside Linkag...

Страница 73: ...to the air source the average or maximum values of all linked zone controllers that have a relative humidity RH sensor D R Avg Avg Max Linkage IAQ Type Determines if the Master controller sends to the...

Страница 74: ...sent 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...

Страница 75: ...nput R 0 to 5 Vdc Zone Temp The value of the controller s T55 space temperature sensor input R 56 to 245 F 48 9 to 118 3 C SAT Sensor The current value of the controller s SAT input R 56 to 140 F 48 9...

Страница 76: ...FM Cool Disable Enable Parallel Fan N A Cooling Modulate Min Max CFM Cool Disable Disable Heating Single Duct Parallel Fan No Cooling Minimum CFM Cool Disable Disable Series Fan No Heating Minimum CFM...

Страница 77: ...ng Modulate Min Max CFM Heat Disable Enable Series or Parallel Fan Yes Heating Modulate Min Max CFM Heat Enable Enable Pressurization Linked air source only None Single Duct Parallel Fan N A Pressuriz...

Страница 78: ...report 49 Mounting the controller 10 MS TP network 4 MS TP network wiring 14 N Network schedule 41 O Occupancy 38 41 Output resolution 5 Outputs 5 P Parallel fan heat on delay 39 Parallel fan terminal...

Страница 79: ...arning Adaptive Optimal Start 54 Learning Adaptive Start 54 65 Linkage Callers 68 Linkage Collector 68 Linkage IAQ Type 68 Linkage Provider 65 Linkage RH Type 68 Linkage Zone Type 68 Local Sensor Cali...

Страница 80: ...inal Mode 51 Terminal Size 61 Terminal Type 61 Test and Balance 61 Timed Local Override 70 Two position hot water steam heating heat 39 Unocc High RH Alarm Limit 42 60 Unoccupied High SPT Alarm Limit...

Страница 81: ...ination heat ducted or baseboard 32 Electric heat ducted or baseboard 30 Inputs 5 Modulating hot water 32 Modulating hot water steam ducted or baseboard 29 No heat single duct or fan box 28 SCR Electr...

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Страница 84: ...CARRIER CORPORATION 2013 A member of the United Technologies Corporation family Stock symbol UTX Catalog No 11 808 432 01 9 10 2013...

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