Carrier ZS Installation Manual

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ZS Sensors

Installation Guide

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Page 2 Verify that you have the most current version of this document from www.hvacpartners.com, the Carrier Partner Community website, or your local Carrier office. Important changes are listed in Document revision history at the end of this document. ©2024 Carrier. All rights reserved.
Page 3: Table Of Contents
Specifications for ZS duct sensors ......................17 To address a ZS duct sensor........................19 To mount a ZS duct temperature or temperature/humidity sensor ............19 To mount a ZS duct averaging temperature sensor ................. 21 To wire a ZS duct sensor ..........................22 Humidity filter maintenance........................
Page 4: What Are Zs Sensors
What are ZS sensors? ZS Sensors are thermistor-based temperature sensors that may optionally sense humidity, CO², or VOC. ZS sensors are wired to the Rnet are wired to the Rnet on i-Vu® Open controllers. The following table shows the 4 ZS Sensor models and their features.
Page 5 Fahrenheit Temp and motion ZS2P-M-* or Celsius To configure the control program for the desired user interaction with the sensor, see the ZS Sensor Application Guide. For basic user instructions, see the ZS Sensor User Guide. Duct Sensors...
Page 6 What are ZS sensors? 5.3 in. (13.5 cm) back probe ZSD-BH-6-6-B Temperature/Humidity Sensor 5.3 in. (13.5 cm) bottom probe ZSD-SH-6-6-B 8 ft (2.44 m) flexible back probe ZSA-B-8-6-B Averaging Temperature Sensor 8 ft (2.44 m) flexible bottom probe ZSA-S-8-6-B 12 ft (3.66 m) flexible back probe ZSA-B-12-6-B 12 ft (3.66 m) flexible bottom probe...
Page 7 Back probe: Bottom probe: To configure the control program for the desired user interaction with the sensor, see the ZS Sensor Application Guide. For basic user instructions for zone sensors, see the ZS Zone Sensor User Guide.
Page 8: Rnet Configuration
WARNING Using Rnet tags 5, 6, or 7 in a control program that has a ZS Pro or Pro-F version 3.4.02 or earlier in a Sensor Binder microblock will disable the display on the ZS sensor. You must do one of the following to prevent this occurrence: •...
Page 9: Rnet Wiring Specifications
What are ZS sensors? Rnet wiring specifications The Rnet communicates at a rate of 115 kbps and should be wired in a daisy-chain configuration. NOTE Use the specified type of wire and cable for maximum signal integrity. Description 4 conductor, shielded or unshielded, CMP, plenum rated cable...
Page 10 What are ZS sensors? CAUTIONS • If the power required by the sensors on the Rnet exceeds the power supplied by the controller's Rnet port, you will need to provide an external power supply. See: • The specifications for each sensor on the Rnet to determine the power required.
Page 11: Zs Zone Sensors
400 to 2000 PPM: ±50 PPM plus 2% of reading, whichever is greater See CO sensor installation (page 10). ZS models -Non-Dispersive Infrared (NDIR), Dual Channel sensor type ZS2-7 models – Non-Dispersive Infrared (NDIR), Single Beam 0 to 2,000 CO2 PPM Equivalent: ±100PPM NOTE VOC readings can vary between ZS2-V and ZS2-7 models when installed in the same room.
Page 12 101 to 500 ug/m3 ± 15% (25 ± 2°C, 50 ± 10% RH) NOTE ZS sensors must be protected from any excess of dust or particles that could cause the sensor intake to become clogged. This can decrease the life expectancy of the sensor and void the warranty.
Page 13: Co2 Sensor Installation
ZS zone sensors Power supply The 4-conductor Rnet cable from a controller supples +12 VDC @ 210 mA. For additional power, use an external power supply. See the controller’s Technical Instructions for more information. Use the above power requirements to calculate the size of the external power supply.
Page 14: Voc Sensor Installation
Each ZS Sensor on an Rnet must have a unique address, but addresses do not have to be sequential. Use the DIP switches on the back of the ZS zone sensor to set an address from 0 to 14. (1 is factory default.) Each DIP switch has the value shown in the figure below.
Page 15: Sensor Start-Up Conditions
Details tab displays “unreliable” and the microblock for the ASVI “Valid?” is off for the amount of time listed for each sensor. To wire and mount a ZS zone sensor The Rnet communicates at a rate of 115 kbps and should be wired in a daisy-chain configuration.
Page 16 Strip about 0.25 inch (0.6 cm) of the inner insulation from each wire. If wiring 1 cable to the ZS Sensor, cut the shield wire off at the outer jacket, then wrap the cable with tape at the outer jacket to cover the end of the shield wire.
Page 17: To Communicate Through The Local Access Port
ZS zone sensors To communicate through the local access port You can connect to the Local Access port of a ZS zone sensor to perform test and balance or to make changes to any device on the network. PREREQUISITES •...
Page 18: Troubleshooting A Zs Pro Or Zs Pro-F
ZS zone sensors Troubleshooting a ZS Pro or ZS Pro-F If display shows... Then... Incorrect or missing Check for errors in the i-Vu® application and Snap. values On the control program's Properties page, select the Rnet Points tab. Verify that values coming in from the sensors and those going out to the sensors are expected values.
Page 19: To Format A Zs Sensor
Information screen in the Primary Value field. Hide the effective setpoints on the Home screen by selecting Sensor Setpoint Adjust Option 4 on the BACnet Setpoint microblock's Rnet tab. To format a ZS Sensor Formatting a sensor clears its flash memory. Do either of the following to format a sensor: •...
Page 20: Zs Duct Sensors
• Back or bottom probe * * Sensors with back probes (as shown) are to be mounted on the outside of ductwork. Sensors with bottom probes are to be mounted on the inside of ductwork. Specifications for ZS duct sensors ZS Sensors ©2024 Carrier.
Page 21 ZS duct sensors Sensing element Temperature Range: 20° to 120°F (-5° to 50°C) Accuracy: ±0.36°F (0.2°C) Humidity Range: 10% to 90% Accuracy: ±2.0% typical at less than 0.5% drift per year. Calibrated at 73.4°F (23°C). Sensor Range: 20° to 120°F (-5° to 50°C)
Page 22: To Address A Zs Duct Sensor
To address a ZS duct sensor Each ZS Sensor on an Rnet must have a unique address, but addresses do not have to be sequential. Open the hinged cover on the sensor enclosure, and then use the DIP switches to set an address from 0 to 14. (1 is factory default.) Each DIP switch has the value shown in the figure below.
Page 23 Remove the sensor's knockout that is appropriate for your application. When you wire the sensor, you will pull the Rnet communication cable through this hole. See To wire a ZS duct sensor (page 22). Close the enclosure door until it latches.
Page 24: To Mount A Zs Duct Averaging Temperature Sensor
Tighten the screws so that the foam backing on the enclosure is depressed to prevent air leakage, but do not overtighten or strip the screw threads. To mount a ZS duct averaging temperature sensor Determine the best location on the duct for the sensor. Mount the sensor in the middle or top of the duct as shown below so that the flexible probe can enter the duct in a convenient place.
Page 25: To Wire A Zs Duct Sensor
Remove the sensor's knockout that is appropriate for your application. The knockouts for indoor versus outdoor applications are noted inside the enclosure. When you wire the sensor, you will pull the Rnet communication cable through this hole. See To wire a ZS duct sensor (page 22). Close the enclosure door until it latches.
Page 26 If wiring 2 cables in a daisy-chain configuration, twist together the shield wires, then wrap the shield wires with tape. Insert the other 4 wires into the sensor's screw terminal connector. If wiring 2 cables, insert like-colored wires into each terminal. Carrier recommends that you use the following Rnet wiring scheme: Connect this To this wire...
Page 27: Humidity Filter Maintenance
ZS duct sensors NOTE Use the same polarity throughout the Rnet. Humidity filter maintenance The temperature/humidity sensor has a sintered filter that protects the humidity sensor from various airborne particles. The filter can become dirty and may need periodic cleaning. Symptoms of a dirty filter are that the humidity sensor is slow to respond or consistently reports incorrect values.
Page 28: Zs Pipe Clamp-On Temperature Sensor
ZS pipe clamp-on temperature sensor This sensor is primarily used to determine the fluid temperature in a pipe by reading the temperature of the pipe. Pipe Clamp-on Temperature Sensor Specifications for ZS pipe temperature sensor Sensing element Range: -40° to 212°F (-40° to 100°C) Accuracy: ±1.3°F (0.72°C)
Page 29: To Address A Zs Pipe Temperature Sensor
To address a ZS pipe temperature sensor Each ZS Sensor on an Rnet must have a unique address, but addresses do not have to be sequential. Open the hinged cover on the sensor enclosure, and then use the DIP switches to set an address from 0 to 14. (1 is factory default.) Each DIP switch has the value shown in the figure below.
Page 30: To Wire A Zs Pipe Temperature Sensor
Remove the sensor's knockout that is appropriate for your application. The knockouts for indoor versus outdoor applications are noted inside the enclosure. When you wire the sensor, you will pull the Rnet communication cable through this hole. See To wire a ZS pipe temperature sensor (page 27). Close the enclosure door until it latches.
Page 31 ZS pipe clamp-on temperature sensor PREREQUISITE The Rnet cable is wired to the controller. The shield wire and the ground wire should be inserted into the controller's GND terminal. Turn off the controller's power. Partially cut, then bend and pull off the outer jacket of the Rnet cable(s). Do not nick the inner insulation.
Page 33: Zs Immersion Temperature Sensor
ZS immersion temperature sensor ZS immersion temperature sensor This sensor is primarily used to measure temperature in water pipes, water tanks, or cooling tower sump applications. An immersion sensor is mounted in a thermowell (purchased separately from Carrier). Immersion Temperature Sensor Available with: •...
Page 34: To Address A Zs Immersion Temperature Sensor
To address a ZS immersion temperature sensor Each ZS Sensor on an Rnet must have a unique address, but addresses do not have to be sequential. Open the hinged cover on the sensor enclosure, and then use the DIP switches to set an address from 0 to 14. (1 is factory default.) Each DIP switch has the value shown in the figure below.
Page 35: To Mount A Zs Immersion Temperature Sensor
To mount a ZS immersion temperature sensor An immersion sensor is mounted in a thermowell (purchased separately from Carrier), a hollow tube closed off on one end and threaded at the other end. A thermowell is permanently installed in pipes, tanks or sumps so that an immersion sensor can be inserted into the thermowell to measure the content's temperature.
Page 36: To Wire A Zs Immersion Temperature Sensor
Unlatch and open the hinged door on the sensor's enclosure. Push on the probe until it stops so that the probe is touching the bottom of the thermowell. Close the enclosure door until it latches. To wire a ZS immersion temperature sensor NOTES •...
Page 37 If wiring 2 cables in a daisy-chain configuration, twist together the shield wires, then wrap the shield wires with tape. Insert the other 4 wires into the sensor's screw terminal connector. If wiring 2 cables, insert like-colored wires into each terminal. Carrier recommends that you use the following Rnet wiring scheme: Connect this To this wire...
Page 38: Zs Outdoor Air Temperature Sensors
ZS outdoor air temperature sensors ZS outdoor air temperature sensors ZS outdoor sensors measure temperature or temperature/humidity. Outdoor Temperature Outdoor Temperature/Humidity Sensor Sensor Bottom probe only Specifications for ZS outdoor air sensors Sensing element Temperature Range: -40° to 158°F (-40° to 70°C) Accuracy: ±1.3°F (0.72°C)
Page 39: To Address A Zs Immersion Temperature Sensor
To address a ZS immersion temperature sensor Each ZS Sensor on an Rnet must have a unique address, but addresses do not have to be sequential. Open the hinged cover on the sensor enclosure, and then use the DIP switches to set an address from 0 to 14. (1 is factory default.) Each DIP switch has the value shown in the figure below.
Page 40: To Mount A Zs Outdoor Air Temperature Sensor
ZS outdoor air temperature sensors To mount a ZS outdoor air temperature sensor Outside Air Temperature sensor Outside Air Temperature/Humidity sensor Determine the best location for the sensor. Mount the sensor: • In the shade, never in the sunlight or you will have higher than expected temperature readings by as much as +30%.
Page 41: To Wire A Zs Outdoor Air Sensor
Unlatch and open the hinged door on the sensor's enclosure. Route the Rnet cable into the back of the enclosure, and then connect the wiring as described in To wire a ZS outside air sensor (page 38).
Page 42: Humidity Filter Maintenance
ZS outdoor air temperature sensors Unlatch and open the hinged door on the sensor's enclosure. Pull the Rnet communication cable through the knockout hole. If wiring 1 cable to the sensor, cut the shield wire off at the outer jacket, then wrap the cable with tape at the outer jacket to cover the end of the shield wire.
Page 43 ZS outdoor air temperature sensors Gently unscrew the filter from the probe. Rinse the filter in warm soapy water, and then rinse in clean water. You can use a nylon brush if needed. Gently screw the clean filter all the way into the probe. Hand tighten only.
Page 44: Zs Remote Sensors
ZS Remote sensors ZS Remote sensors ZS Remote sensor Specifications for ZS Remote sensors Enclosure material Polycarbonate, UL94V-0 Enclosure rating NEMA 4, IP66, UV rated Enclosure dimensions Width: 5 in. (12.7 cm) Height: 4.15 in. (10.54 cm) Depth: 2.5 in. (6.35 cm)
Page 45: To Address A Zs Remote Sensor
To address a ZS Remote sensor Each ZS Sensor on an Rnet must have a unique address, but addresses do not have to be sequential. Open the hinged cover on the sensor enclosure, and then use the DIP switches to set an address from 0 to 14. (0 is factory default.) Each DIP switch has the value shown in the figure below.
Page 46: To Wire A Zs Remote Sensor
ZS Remote sensors To wire a ZS Remote sensor NOTES • Do not drill into the sensor's watertight enclosure which will violate the NEMA and/or IP rating. • Use caulk or Teflon tape for your conduit entries to maintain the appropriate NEMA or IP rating for your application.
Page 47: To Connect A Thermistor To A Zs Remote Sensor
22AWG or larger wire and sealant-filled connectors are recommended for all wire connections Pull the thermistor wires through the access hole in the bottom of the sensor. Attach the thermistor wires to the pre-stripped ZS Remote wires using the sealant-filled crimp connectors provided.
Page 49: Fcc Compliance
Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body. ZS Sensors ©2024 Carrier. Installation Guide...
Page 50: Appendix: Vocs Detected
Appendix: VOCs detected Appendix: VOCs detected VOC families that can be detected by ZS sensors are: • CO, CH4, LPG • Alcohols • Ketones (solvents). Examples are Acetone and Methyl Ethyl Ketone (MEK). • Organic Acids. Examples are Lactic acid, Acetic acid, Formic acid, Citric acid, and Oxalic acid.
Page 51: Document Revision History
Specifications for ZS zone sensors X-TS-JM-F Added CO sensor type 1/19/17 Entire document Major revisions to add a motion sensor to a ZS Pro, duct sensors, pipe sensor, immersion sensor, and outdoor air sensors. ZS Sensors ©2024 Carrier. Installation Guide All rights reserved.
Page 52 New topic X-TS-RB-BR sensor installation 11/24/14 Power requirements Made corrections to wiring diagram X-TS-JM-O 8/6/14 To address a ZS Sensor Changed Default address from 0 to 1. * For internal use only ZS Sensors ©2024 Carrier. Installation Guide All rights reserved.

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