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CO2 sensor

Carrier Sensors

Installation Guide

Part #33ZCSPTCO2LCD-01 (Display model)
Part #33ZCSPTCO2-01 (No display)

Wall-mount or duct-mount
Duct installation requires an Aspirator Box (Part #33ZCASPCO2) to house the CO

sensor.

A CO

sensor monitors carbon dioxide levels. As CO

levels increase, the controller adjusts the outside air dampers

to increase ventilation and improve indoor air quality. These sensors monitor temperature using a 10K thermistor,
but are not capable of occupancy override.

The figure below shows ventilation rates for various CO

setpoints when outside air with a typical CO

level of 350

ppm is used.

20 CFM/person

5 CFM/person

500 700 900 1 100 1300 1500 1700 1900 2100 2300 2500

CO2 Concentration (PPM)

w p

)

NOTES

•

The sensor has a 4

–

20 mA output that is converted to 0

–

5 Vdc by a 250 Ohm, 1/4 watt, 2% tolerance

resistor connected across the zone controller's CO

input terminals.

•

Do not use a relative humidity sensor and CO

sensor on the same zone controller.

CO2 sensor

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Содержание ZS Plus

Страница 1: ...C Ca ar rr ri ie er r S Se en ns so or rs s I In ns st ta al ll la at ti io on n G Gu ui id de e CARRIER CORPORATION 2021 Catalog No 11 808 423 01 9 21 2021 Downloaded from ManualsNet com search engine ...

Страница 2: ...local Carrier office Important changes are listed in Document revision history at the end of this document CARRIER CORPORATION 2021 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 Downloaded from ManualsNet com search engine ...

Страница 3: ...pace temperature sensor 24 Sensor specifications 25 Wiring specifications 26 Mounting location 26 To wire and mount the sensor 27 To change a T59 sensor s options 28 Supply Air Temperature sensor 31 SAT sensor specifications 32 Wiring specifications 32 Mounting location 33 To wire and mount the SAT sensor 33 Duct Air Temperature sensor 34 DAT sensor specifications 34 Wiring specifications 35 Mount...

Страница 4: ...pace RH sensors 54 Typical power wiring diagrams for Space RH sensors 56 To wire and mount the Duct RH sensor 57 To wire and mount the Outdoor RH sensor 59 Typical power wiring diagrams for Duct RH and Outdoor RH sensors 60 Calibrating and troubleshooting relative humidity sensors 61 Enthalpy switch receiver and Enthalpy sensor 63 Enthalpy switch sensor specifications 64 Wiring specifications 64 M...

Страница 5: ...ZCT59SPT Supply Air Temperature sensor page 31 33ZCSENSAT Duct Air Temperature sensor page 34 33ZCSENDAT Outdoor Air Temperature sensor page 36 33ZCSENOAT Primary Air Temperature sensor page 39 33ZCSENPAT CO2 sensor page 42 33ZCSPTCO2 01 33ZCSPTCO2LCD 01 CO2 Temperature sensor page 47 33ZCT55CO2 33ZCT56CO2 Wall Relative Humidity sensor page 51 33ZCSENSRH 02 Duct Relative Humidity sensor page 51 33...

Страница 6: ...is warning could cause electrical shock personal injury or damage to the device 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 outer jacket of the cable Do not pull or draw cable with a force that may harm the physical or electrical properties Avoid splices in any control wiring Downloaded from ManualsNet c...

Страница 7: ...es ZS CAR ZS C CAR ZS H CAR ZS V CAR ZS HC CAR ZS HV CAR ZS BNK ZS C BNK ZS H BNK ZS V BNK ZS HC BNK ZS HV BNK ZS Standard Local access port No user control ZSPL CAR ZSPL C CAR ZSPL H CAR ZSPL V CAR ZSPL HC CAR ZSPL HV CAR ZSPL BNK ZSPL C BNK ZSPL H BNK ZSPL V BNK ZSPL HC BNK ZSPL HV BNK ZS Plus Slide potentiometer to make the zone warmer or cooler button to override the schedule and put the zone ...

Страница 8: ...ture button to cycle through information defined in the control program Green LED to indicate occupied state Local access port ZSPF CAR ZSPF C CAR ZSPF H CAR ZSPF V CAR ZSPF HC CAR ZSPF HV CAR ZSPF BNK ZSPF C BNK ZSPF H BNK ZSPF V BNK ZSPF HC BNK ZSPF HV BNK ZS Pro F All of the ZS Pro s features plus button to turn on heating cooling or fan only or set to auto control button to adjust fan speed F ...

Страница 9: ... idle to 190 mA CO2 measurement cycle Temperature and CO2 All models 12 Vdc 14 mA idle to 189 mA CO2 measurement cycle Power supply The 4 conductor Rnet cable from a controller supplies 12 Vdc 210 mA For additional power use an external power supply Use the above power requirements to calculate the size of the external power supply The controller and the external power supply must share a common g...

Страница 10: ...one hour before it attains accurate readings NOTE Dropping a sensor can upset the calibration and it may require 21 days to return to our stated accuracy Rnet Configuration An Rnet can consist of the following devices wired in a daisy chain configuration Up to 15 ZS Sensors NOTE You cannot have more than 5 sensors per control program Up to 5 ZS sensors and 1 Equipment Touch device NOTE You cannot ...

Страница 11: ... the DIP switches on the back of the ZS Sensor to set an address from 0 to 14 1 is factory default Each DIP switch has the value shown in the figure below Turn on as many DIP switches as you need so that their total value equals the address DIP Switch value 1 ON 2 4 8 1 2 3 4 EXAMPLE DIP switches 1 and 4 above are on Their values 1 8 total 9 so the sensor s address is 9 Downloaded from ManualsNet ...

Страница 12: ... All rights reserved 8 Power requirements See Specifications page 5 for power requirements and power supply information CAUTION Do not share power between controller s power and external 12 Vdc unless both devices are half wave Downloaded from ManualsNet com search engine ...

Страница 13: ...the slit in the insulated backing material 3 30 in 8 38 cm 4 Use 2 screws to mount the backplate to the wall or outlet box Partially cut then bend and pull off the outer jacket of the Rnet cable s Do not nick the inner insulation Inner insulation Outer jacket Foil shield 25 in 6 cm Shield wire 5 Strip about 0 25 inch 0 6 cm of the inner insulation from each wire 6 If wiring 1 cable to the ZS Senso...

Страница 14: ...t Rnet Gnd CAUTION Allow no more than 0 06 inch 1 5 mm bare communication wire to protrude If bare communication wire contacts the cable s foil shield shield wire or a metal surface other than the terminal block the device may not communicate correctly 8 Attach the sensor s cover and circuit board to the mounted backplate inserting the top first 9 Turn the setscrews one full turn counterclockwise ...

Страница 15: ...ere 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 Connect the USB Link to the computer and to the ZS Sensor s local access port USB Link Connect to Lo...

Страница 16: ...ouble click the Sensor Binder and ASVI microblocks to check for problems in the Status and or Error columns If the Error column shows Resource Allocation try formatting the sensor If the error is not corrected by formatting the control program engineer should reduce the number of items that the sensor is trying to display Nothing The sensor has no power The sensor is not communicating with the net...

Страница 17: ...ve the wiring connector from the sensor b Note the current position of the DIP switches c Set all DIP switches to the ON position d Reattach the wiring connector to format e After approximately 3 seconds remove the wiring connector f Set the DIP switches back to their original position g Reattach the wiring connector NOTE If you move a sensor from one controller to another controller that has a di...

Страница 18: ...monitors zone temperature An SPT sensor is wired to a controller s Rnet port Carrier offers the following SPT sensors Sensor Features SPT Standard Part SPS Local access port No operator control SPT Plus Part SPPL Slide potentiometer to adjust setpoint MANUAL ON button to override schedule LED to show occupied status Local access port SPT Sensors Downloaded from ManualsNet com search engine ...

Страница 19: ...FO button to cycle through zone and outside air temperatures setpoints and local override time Local access port SPT Pro Plus Part SPPF LCD display MANUAL ON button to override schedule WARMER and COOLER buttons to adjust setpoint INFO button to cycle through zone and outside air temperatures setpoints and local override time FAN SPEED button to adjust fan speed Local access port Downloaded from M...

Страница 20: ... in mounting screws Overall dimensions Width Height Depth 2 3 4 in 6 9 cm 4 3 4 in 12 1 cm 5 8 in 1 6 cm Rnet Configuration You wire SPT sensors to a controller s Rnet port An Rnet can consist of any of the following combinations of devices wired in a daisy chain configuration 1 SPT Plus SPT Pro or SPT Pro Plus 1 4 SPT Standards 1 4 SPT Standards and 1 SPT Plus SPT Pro or SPT Pro Plus Any of the a...

Страница 21: ...ated cable Conductor 18 AWG Maximum length 500 feet 152 meters Recommended coloring Jacket White Wiring Black white green red UL temperature rating 32 167 F 0 75 C Voltage 300 Vac power limited Listing UL NEC CL2P or better Mounting location Mount the sensor In an area representing the average temperature in the space On an interior wall Approximately 5 feet 1 5 meters from the floor or as require...

Страница 22: ...r You may need to turn the setscrew in the bottom of the sensor clockwise until you can remove the mounting plate 2 Pull the Rnet communication cable through the wire guide in the mounting plate 3 30 in 8 38 cm 3 Use the 2 mounting screws provided to attach the mounting plate to the wall or electrical box 4 Partially cut then bend and pull off the outer jacket of the Rnet cable s Do not nick the i...

Страница 23: ...12V Rnet Rnet Gnd CAUTION Allow no more than 06 inch 1 5 mm bare communication wire to protrude If bare communication wire contacts a metal surface other than the terminal block the sensor may not communicate correctly 6 Attach the sensor s cover and circuit board to the mounting plate inserting the top first 7 Turn the setscrew one full turn counterclockwise to secure the cover to the mounting pl...

Страница 24: ...PIED LED The LED lights when the zone is occupied from a regular schedule or a manual override SPT Pro Feature Usage Display The display shows occupancy zone temperature and an alarm bell icon Celsius values are to the nearest 0 5 degree Fahrenheit values are to the nearest full degree The display shows Occupied when the zone is occupied from a regular schedule or from a manual override MANUAL ON ...

Страница 25: ...etpoint SPT Pro Plus The SPT Pro Plus has all the features of the SPT Pro plus the additional functionality described below Feature Usage MANUAL ON button The Timed Local Override section of the microblock dialog box determines if pressing the MANUAL ON button sets the zone to occupied for a set amount of time in the same manner as the SPT Pro or sets the zone to continuously occupied INFO button ...

Страница 26: ...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 Connect the USB Link to the computer and to the ZS Sensor s local access port USB Link Connect to L...

Страница 27: ...t lit Has no power Blinks 1 time per second Has power but is not communicating Blinks 2 5 times per second Is correctly wired and communicating SPT Pro or SPT Pro Plus If display shows Then sensor Nothing Has no power All display elements Has power but is not communicating Only the temperature and current status Is correctly wired and communicating NOTE If OF is displayed cycle the power on the co...

Страница 28: ...sed instead of an SPT sensor to monitor zone temperature Sensor Features T 55 Part 33ZCT55SPT Timed override button T 56 Part 33ZCT56SPT Timed override button Setpoint adjustment T 59 Part 33ZCT59SPT Timed override button Setpoint adjustment LCD display NOTE The T 59 sensor requires a dedicated 24 Vac 3 Va transformer to power the sensor Alternate space temperature sensor Downloaded from ManualsNe...

Страница 29: ... to 104 C 1 C from 4 to 40 C Humidity 0 to 95 non condensing Power 24 Vac 3 Va Dimensions Width Height Depth 2 3 4 in 6 98 cm 4 1 2 in 11 46 cm 1 1 5 in 2 92 cm Thermistor Resistance vs Temperature Values for Space Temperature Sensor 10K Type II CP MCI Temp F Temp C Resistance Ohms 40 31 22 13 4 5 14 23 32 41 50 59 68 77 86 95 104 113 122 131 140 149 158 40 35 30 25 20 15 10 5 0 5 10 15 20 25 30 3...

Страница 30: ...5 feet 1 5 meters from the floor or as required by local code At least 4 feet 1 2 meters from any corner At least 2 feet 6 meter from an open doorway Do not mount the sensor In drafty locations such as near air conditioning or heating ducts or near open windows Over heat sources such as baseboard heaters radiators directly above wall mounted lighting dimmers or in direct sunlight NOTE The sensor m...

Страница 31: ...from the cable for at least 3 inches 7 62 cm Strip 25 inch 6 cm of insulation from each wire Cut the shield and drain wire from the cable 6 Use the appropriate diagram below to connect the wiring to the sensor s terminals 7 Reattach the sensor s cover to the mounting plate inserting the top first 8 Turn the two Allen screws counterclockwise to secure the cover to the mounting plate 9 Wire the sens...

Страница 32: ... shows option page 100 3 Release the keys 4 Press repeatedly until the display shows the page number you want NOTE To display a field service option page 126 to 132 press the key until you see 1 then simultaneously press and hold and After approximately 2 seconds the display shows 126 Press until you see the page you want NOTE If you do not press a key for 30 seconds the sensor automatically retur...

Страница 33: ... Sensor Trim F 00 5 01 4 02 3 03 2 04 1 05 0 typical 06 1 07 2 08 3 09 4 10 5 103 Normal Setpoint Display 00 to 09 Do Not Use Offset Setpoint Display 10 02 to 02 F 02 to 02 C 11 03 to 03 F 03 to 03 C 12 05 to 05 F 05 to 05 C 104 Keep at 00 105 Setpoint Lockout 00 Disable Lockout 01 Enable Lockout 106 Keep at 00 107 Keep at 00 108 Display Mode 00 Normal 01 Setpoint Only 109 Keep at 00 Downloaded fr...

Страница 34: ...k 02 Enable Heat Cool feedback 128 Maximum offset adjustment for setpoint Note When using the 00 to 00 selection option page 105 must be set to value 01 00 00 to 00 F or C 01 01 to 01 F or C 02 02 to 02 F or C Default 03 03 to 03 F or C 04 04 to 04 F or C 05 05 to 05 F or C 06 06 to 06 F or C 07 07 to 07 F or C 08 08 to 08 F or C 09 09 to 09 F or C 10 10 to 10 F or C 129 Occupied heat setpoint 60 ...

Страница 35: ... Foam gas ket 4 in O D 1 02 cm O D 39 in 99 cm 5 5 in 5 14 cm 1 27 cm 114 in 2 9 m plenum rated cable 25 in 01 dia 6 cm 003 dia 175 in dia x 6 in 45 cm dia x 1 52 cm 3 9 in 9 9 cm 3 in 7 6 cm Probe NOTE If state or local code requires the use of conduit use a Primary Air Temperature page 39 Part 33ZCSENPAT sensor instead of an SAT sensor Supply Air Temperature sensor Downloaded from ManualsNet com...

Страница 36: ...for Supply air Temperature Sensor 10K Type II CP MCI Temp F Temp C Resistance Ohms 40 31 22 13 4 5 14 23 32 41 50 59 68 77 86 95 104 113 122 131 140 149 158 40 35 30 25 20 15 10 5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 335 651 242 195 176 683 130 243 96 974 72 895 55 298 42 315 32 651 25 395 19 903 15 714 12 494 10 000 8 056 6 530 5 325 4 367 3 601 2 985 2 487 2 082 1 752 Wiring specifications...

Страница 37: ...unit Octopus SAT SAT 2 ft 6 m min 2 ft 6 m min Primary air inlet Primary air inlet To wire and mount the SAT sensor 1 Drill or punch a 5 inch 1 3 cm hole in the duct 2 Insert the sensor s probe into the hole 3 Secure the sensor to the duct using the 2 mounting screws provided CAUTION The tip of the sensor s 6 inch 15 2 cm probe must not touch the inside of the duct Use field supplied bushings as s...

Страница 38: ...nsor tolerance Accuracy of 0 36 F 0 2 C from 0 to 70 C Physical Small epoxy sensor 1 25 inch 3 2 cm long Includes a mounting grommet and 75 inch cable Thermistor Resistance vs Temperature Values for Duct Temperature Sensor 10K Type II CP MCI Temp F Temp C Resistance Ohms 40 31 22 13 4 5 14 23 32 41 50 59 68 77 86 95 104 113 122 131 140 149 158 40 35 30 25 20 15 10 5 0 5 10 15 20 25 30 35 40 45 50 ...

Страница 39: ...sor in the top or side of the supply duct Drill hole in top of duct and let sensor hang down Alternate location inside of duct Supply duct To wire and mount the DAT sensor 1 Drill or punch a 25 inch 6 cm hole in the top or side of the supply duct 2 Insert the sensor s probe into the hole The probe can touch side of duct 3 Snap the grommet into the hole until it is secure 4 Pull on the sensor s wir...

Страница 40: ...the temperature of the outside air before it enters the equipment NOTE If the sensor is to be installed in the outdoor air duct instead of an outdoor location use a Primary Air Temperature page 39 Part 33ZCSENPAT sensor instead of an OAT sensor 2 8 1 in 7 1 4 c m 4 5 6 in 1 1 5 8 c m 4 9 2 in 1 2 5 c m Outdoor Air Temperature sensor Downloaded from ManualsNet com search engine ...

Страница 41: ...ance vs Temperature Values for Outdoor Air Temperature Sensor 10K Type II CP MCI Temp F Temp C Resistance Ohms 40 31 22 13 4 5 14 23 32 41 50 59 68 77 86 95 104 113 122 131 140 149 158 40 35 30 25 20 15 10 5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 335 651 242 195 176 683 130 243 96 974 72 895 55 298 42 315 32 651 25 395 19 903 15 714 12 494 10 000 8 056 6 530 5 325 4 367 3 601 2 985 2 487 2 082...

Страница 42: ...eakage drafts of indoor air Near shrubbery or trees Under direct water runoff Building wall 5 inch EMT male waterproof conduit adaptor Wire nuts Outdoor air tempe rature sensor Wiring in 5 inch electrical metal tubing EMT 7 ft min Field wiring To wire and mount the OAT sensor 1 Drill a 7 8 hole in a vertical wall 2 Insert a 5 inch piece of electrical metal tubing EMT 3 Attach a 5 inch male waterpr...

Страница 43: ... The Primary Air Temperature PAT sensor monitors the supply air temperature Use a PAT sensor if state or local code requires the use of conduit If conduit is not required you can use an SAT sensor 6 in 15 2 cm probe 4 x 2 in 10 2 x 5 1 cm electrical b ox Primary Air Temperature sensor Downloaded from ManualsNet com search engine ...

Страница 44: ...ews Thermistor Resistance vs Temperature Values for Primary Air Temperature Sensor 10K Type II CP MCI Temp F Temp C Resistance Ohms 40 31 22 13 4 5 14 23 32 41 50 59 68 77 86 95 104 113 122 131 140 149 158 40 35 30 25 20 15 10 5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 335 651 242 195 176 683 130 243 96 974 72 895 55 298 42 315 32 651 25 395 19 903 15 714 12 494 10 000 8 056 6 530 5 325 4 367 3 ...

Страница 45: ...inch 1 3 cm hole in the duct 2 Connect a 5 inch 1 3 cm nominal field supplied conduit between the zone controller enclosure and the junction box 3 Pass the sensor wires through the conduit 4 Insert the sensor s probe into the hole 5 Secure the sensor to the duct using the 2 mounting screws provided CAUTION The tip of the sensor s 6 inch 15 2 cm probe must not touch the inside of the duct 6 Wire th...

Страница 46: ...temperature using a 10K thermistor but are not capable of occupancy override The figure below shows ventilation rates for various CO2 setpoints when outside air with a typical CO2 level of 350 ppm is used 20 CFM person 5 CFM person 500 700 900 1 100 1300 1500 1700 1900 2100 2300 2500 80 60 40 20 0 CO2 Concentration PPM Airflow per person Outside air CFM NOTES The sensor has a 4 20 mA output that i...

Страница 47: ...ed Conditions 32 to 122 0 to 50 C 0 2000 ppm 100 ppm or 5 whichever is greater 2000 10 000 ppm 7 of reading whichever is greater Pressure Dependence Add 0 13 of reading per mm Hg decrease from 760 On board correction user set Annual drift 10 ppm negligible with TEMA on 20 ppm typical with TEMA off Response Time 0 90 FS 2 minutes Warm Up Time 25 C 2 minutes Operating Conditions 32 to 122 F 0 to 50 ...

Страница 48: ...he sensor gives inaccurate readings if the supply air blows directly onto the sensor or the supply air does not have a chance to mix with the room air before it is drawn into the return air stream NOTE The sensor mounting plate accommodates the NEMA standard 2x4 in standard single gang electrical box However the sensor can be mounted directly on the wall surface if local codes permit Duct mounting...

Страница 49: ...ed the wires from the electrical box through the opening in the center of the sensor mounting plate 4 Use the 2 mounting screws provided to attach the mounting plate to the electrical box 5 Wire the 24 Vac transformer to the sensor See diagram below 6 Turn the two Allen screws at the bottom of the unit counterclockwise to secure the cover to the mounting plate 7 Wire the sensor to the Open control...

Страница 50: ...uct 2 Remove the aspirator box cover 3 Insert the aspirator box sampling tube into the hole 4 Secure the box to the duct using 2 field supplied 8 x 1 sheet metal screws 5 Remove 5 inch 1 3 cm conduit knockout then install the conduit fittings 6 Mount the CO2 sensor in the aspirator box using 2 field supplied 8 x 32 machine screws 7 To wire the CO2 sensor see the instructions above in To wire and w...

Страница 51: ...sure space temperature The controller uses this information to adjust the outside air dampers to provide proper ventilation and control space temperature Sensor Features 33ZCT55CO2 CO2 sensor Space temperature sensor Push button override 33ZCT56CO2 CO2 sensor Space temperature sensor Push button override Set point adjustment NOTES The sensor has a 4 20 mA or 0 10 V output Push button override Do n...

Страница 52: ...umidity non condensing Storage Conditions 4 to 158 F 20 to 70 C Power 18 30 Vac RMS 50 60 Hz half wave rectified dedicated 18 42 Vdc polarity protected dedicated 1 75 Va maximum average power 2 75 Va peak power Analog CO2 Output 4 20 mA RLmax 500 Ohms and 0 10 V Source 100 mA Sink 10 mA Temperature Sensor 10 kOhm Thermistor 10 kOhm 2 5 at 77 F 25 C Temperature Control 33ZCT56CO2 only Slide potenti...

Страница 53: ...e and mount the CO2 Temperature sensor 1 Disassemble the sensor into these three parts sensor cover sensor base and mounting plate 2 Feed the wires from the electrical box through the opening in the center of the sensor mounting plate 3 Use the 2 mounting screws provided to attach the mounting plate to the electrical box 4 Run the wiring through the wire hole in the sensor base See diagram below 5...

Страница 55: ... Space Relative Humidity sensor Part 33ZCSENSRH 02 Controls zone humidity dehumidification if the rooftop unit has a dehumidification device If not the sensor only monitors humidity Can output 0 5 or 0 10 Vdc or 4 20 mA Duct Relative Humidity sensor Part 33ZCSENDRH 02 Measures humidity in duct Relative Humidity sensors Downloaded from ManualsNet com search engine ...

Страница 56: ...he same zone controller Sensor specifications Operating temperature 40 to 130 F 4 to 54 C Humidity 0 to 99 non condensing Sensor tolerance Accuracy at 25 C 2 RH from 10 80 3 RH from 80 99 Power 18 36 Vdc 24 Vac half wave rectified Output 33ZCSENSRH 02 33ZCSENDRH 02 and 33ZCSENORH 02 4 20 mA 0 5 Vdc and 0 10 Vdc Physical Includes a 499 Ohm 1 Watt resistor for conversions of the 4 20 mA signal to a ...

Страница 57: ...rtically so that the Carrier logo is correctly oriented Do not mount the sensor In drafty areas such as near heating or air conditioning ducts open windows or fans Over heat sources such as baseboard heaters radiators or wall mounted light dimmers In areas of excessive moisture corrosive fumes or vibration Sensors mounted in these areas will produce inaccurate readings NOTE The sensor mounting pla...

Страница 58: ... the electrical box through the wire access hole in the center of the sensor mounting plate 3 Use the 2 screws provided to attach the mounting plate to the electrical box 4 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 5 Wire the unit for power See Typical power wiring diagrams for Space RH sensors page 56 Downloaded from Manual...

Страница 59: ...mA 18 36 Vdc or 21 6 26 4 Vac 0 10 Vdc 7 Reattach the cover to the mounting plate 8 Turn the two Allen screws at the bottom of the unit counterclockwise to secure the cover to the mounting plate NOTES All wiring should be in accordance with all Local and National Electrical Code guidelines If using shielded cable connect only one end of the shield to ground at the controller Connecting both ends t...

Страница 60: ...ors CAUTION If using a 24 Vac transformer use an isolated transformer If sharing the transformer with your controller or another device be sure to connect all of the devices with the proper polarity since most controllers are earth grounded Failure to do so could cause a ground loop that could damage the devices Downloaded from ManualsNet com search engine ...

Страница 61: ...ct then attach the RH sensor using the 2 self tapping screws provided 3 Remove the cover 4 On the probe unit remove the knockout s inner ring 5 If you are not using a 5 inch 1 3 cm NPT conduit fitting remove the knockout s outer ring Tap the ring in 1 or 2 locations with a screwdriver then remove the ring 6 Install your conduit connectors or watertight fittings 7 Wire the unit for power See Typica...

Страница 62: ...er s Installation and Startup Guide for details Input Output Wiring diagram 18 36 Vdc 4 20 mA 18 36 Vdc or 21 6 26 4 Vac 0 10 Vdc 9 Place the sensor s cover onto the probe unit and gently turn until it is tight 10 Verify that you are getting a humidity reading NOTE Allow up to 20 minutes after powering up for the sensor reading to stabilize Downloaded from ManualsNet com search engine ...

Страница 63: ...he sensor end of the cable strip back the jacket from the cable for at least 3 inches Strip 1 4 inch of insulation from each conductor If using shielded cable cut the shield and drain wire from the cable 4 Wire the unit for power See Typical power wiring diagrams for Duct RH and Outdoor RH sensors page 60 5 Wire the sensor to the Open controller See diagrams below and the controller s Installation...

Страница 64: ...RH sensors CAUTION If using a 24 Vac transformer use an isolated transformer If sharing the transformer with your controller or another device be sure to connect all of the devices with the proper polarity since most controllers are earth grounded Failure to do so could cause a ground loop that could damage the devices Downloaded from ManualsNet com search engine ...

Страница 65: ...s Field adjustment should not be necessary The DIP switch allows you to calibrate the sensor through software Setting DIP switch 4 ON puts the transmitter into setup mode allowing the increment and decrement to work Once in setup mode the output changes to 50 5V for 0 10V 12mA for 4 20mA Each increment or decrement step causes the output to change by 0 2V for 0 10V and 0 32mA for 4 20mA in setup m...

Страница 66: ...itch 4 must be set to ON first After switch 4 is ON each time switch 6 if set to ON the RH output decreases by 0 5 Reset to Original Calibration Resets the RH output back to the original calibration Switch 4 must be set to ON first After switch 4 is ON toggle switches 5 and 6 ON then OFF After 5 and 6 are OFF slide switch 4 OFF RH conversion formulas Use the following table to convert transmitter ...

Страница 67: ...nthalpy switch receiver mounted in the outdoor air intake calculates outdoor air enthalpy The enthalpy sensor mounted in the return airstream calculates the indoor air enthalpy The enthalpy switch receiver energizes The HI Enthalpy relay output when the outdoor enthalpy is greater than the indoor enthalpy The LOW Enthalpy terminal when the outdoor enthalpy is lower than the indoor enthalpy The rel...

Страница 68: ... Btu lb Enthalpy accuracy 1 Btu lb at 77 F 25 C Temperature accuracy 0 36 F 0 2 C from 32 to 158 F 0 to 70 C Relative humidity accuracy 35 at 77 F 25 C Sensitivity 0 1 RH Repeatability 0 5 RH Hysteresis 0 4 RH Stability 2 drift over 5 years 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...

Страница 69: ...ed 8 x 3 4 in TEK screws through its side holes 2 Remove the 4 screws holding the cover on then remove cover 3 Set the M1 to M3 jumper to M2 Leave the other jumper on Off 4 Replace the cover and the 4 screws 5 Connect the GND and 24 Vac terminals on the enthalpy switch receiver to the controller s power terminals 6 Connect the HI or LOW terminals on the enthalpy switch receiver to the controller s...

Страница 70: ...rews holding the cover on then remove cover 4 Set the M1 to M3 jumper to M2 Leave the other jumper on Off NOTE The enthalpy sensor s jumpers should be left at their factory settings of M3 and Off 5 Replace the switch receiver s cover and the 4 screws 6 Wire the sensor to the switch receiver See figure below 7 Connect the GND and 24 Vac terminals on the enthalpy switch receiver to the controller s ...

Страница 71: ...56 network RS 485 24 AWG single twisted shielded pair low capacitance CL2P TC foam FEP plenum rated See MS TP Installation Guide for specifications W241P 2000FB 82841 25120 OR Rnet 4 conductor unshielded CMP 18 AWG plenum rated W184C 2099BLB 6302UE 21450 CLP0442 Power 24 Vac 2 conductor CM 18 AWG unshielded W181P 2051 5300UE 21251 CLP0440 Analog discrete sensor wiring 100 ft Single twisted pair un...

Страница 72: ...Corrected all 10K Type III CP MCI to Type II C TS ZL E RD 3 10 16 Specifications Added drift statement to Humidity specification X TS EE F 5 28 15 Introduction to Carrier sensors Carrier ChillerVu added and WSHP Open removed from table C TS RD E ZS sensors CO2 sensor installation New section C TS RD E 11 24 14 Power requirements Made corrections to wiring diagram X TS JM O 8 6 14 To address a ZS S...

Страница 73: ... 38 E Enthalpy sensor 61 Enthalpy switch receiver 61 H Humidity sensor 3 O Outdoor Air Temperature sensor 35 outdoor sensors Outdoor Air Temperature sensor 35 P Primary Air Temperature sensor 29 35 38 R Rnet 13 15 Rnet wiring specifications 15 S space temperature sensors 13 22 SPT Plus 13 15 18 20 SPT Pro 13 15 18 20 SPT Pro Plus 13 15 18 20 SPT sensors 13 SPT Standard 13 15 20 Supply Air Temperat...

Страница 74: ...Downloaded from ManualsNet com search engine ...

Страница 75: ...CARRIER CORPORATION 2021 Catalog No 11 808 423 01 9 21 2021 Downloaded from ManualsNet com search engine ...

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