ZS​ Outdoor Air Sensors

BMS & Control Carrier i-Vu Building Automation Sensors
ZS​ Outdoor Air Sensors
Communicating Sensors

ZS​ Outdoor Air Sensors

Smart climate monitoring starts here.

  • Precise Data Insights
  • Robust Outdoor Design

ZS​ Outdoor Air Sensors

The ​ZS-OA Outdoor Air Sensor is engineered to redefine commercial HVAC sensors, delivering precise measurements of outdoor temperature and humidity with unparalleled reliability. Designed for integration with the i-Vu building automation system, this solution streamlines HVAC control, optimizes energy efficiency and supports sustainable operations. Its robust UV-rated enclosure and capability to perform in diverse weather conditions make it the trusted choice for intelligent, energy-efficient building automation.

ZS​ Outdoor Air Sensors

Effortless System Integration

Easily integrates with Carrier i‑Vu® controllers, supporting up to 15 sensors on a single Rnet port, reducing wiring complexity and installation time.

Reliable Data Output

Delivers accurate and consistent outdoor air temperature and humidity measurements for dependable HVAC control.

Outdoor‑Rated Durable Design

Features a NEMA 4 / IP66, UV‑rated polycarbonate enclosure, ensuring long‑term reliability in harsh outdoor conditions.

Enhanced Operational Efficiency

Precise outdoor air data supports optimized economizer operation, improved energy efficiency, and enhanced occupant comfort.

Application & Functionality

The sensor is designed to measure outdoor air temperature and humidity for HVAC ventilation, economizer, and control strategies.
The sensor integrates directly into the i‑Vu® system via the Rnet network, enabling scalable deployment without consuming additional controller inputs.

Sensor Performance

Temperature – Sensing Element
Range: 20° to 120°F (‑5° to 50°C)
Accuracy: ±0.36°F (±0.2°C)

Humidity – Sensing Element
Range: 10% to 90% RH
Accuracy: ±2.0% RH typical at 73°F (23°C)
Long‑term drift: < 0.5% per year

Temperature – Sensor Output
Range: 20° to 120°F (‑5° to 50°C)
Accuracy: ±0.9°F (±0.5°C)

Humidity – Sensor Output
Range: 10% to 90% RH
Accuracy: ±2.0% RH typical at 73°F (23°C)
Long‑term drift: < 0.5% per year

Construction & Enclosure

Enclosure Material
Polycarbonate, UL94V‑0

Enclosure Rating
NEMA 4 / IP66, UV‑rated

Enclosure Dimensions
Width: 5.0 in (12.7 cm)
Height: 4.15 in (10.54 cm)
Depth: 2.5 in (6.35 cm)

Sensor Probe Options

Temperature probe: Vented polycarbonate shield, 0.5 in (1.27 cm) OD, 1.2 in (3.05 cm) length
Temperature/Humidity probe: ABS with stainless‑steel filter, 1.0 in (2.5 cm) diameter, 2.4 in length
Sensing Element Shield
Vented polycarbonate shield, 0.5 in (1.27 cm) OD, 1.2 in (3.05 cm) length with ½‑inch NPT threads

Power & Communication

Power Requirements
12 VDC @ 6 mA

Power Supply
Supplied via the 4‑conductor Rnet cable from the controller (+12 VDC @ 210 mA).
An external power supply may be used if required, and both supplies must share a common ground.

Communication Speed
115 kbps over the Rnet network

Document Name Description Document Type Language Action
Application Guide ZS Sensor Applications Guide PDF English Download
Installation ZS Sensors Installation Guide PDF English Download
Data Sheet ZS Outdoor Air Sensor Product Data Sheet PDF English Download
What does the ZS‑OA sensor measure?

It measures outdoor air temperature and humidity for HVAC control and optimization.

Is the sensor suitable for outdoor installation?

Yes. The NEMA 4 / IP66, UV‑rated enclosure makes it suitable for harsh outdoor environments.

How does the sensor support energy efficiency?

Accurate outdoor air data enables optimized economizer and ventilation control, reducing energy consumption and improving system performance.

Who should choose ZS Outdoor Air Sensors?

Facilities that need:

Reliable outdoor temperature and humidity sensing
Rugged, outdoor‑rated construction
Scalable Rnet sensor integration
Optimized HVAC energy performance
Seamless i‑Vu® system compatibility

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