WiFi HVAC Thermostat with Humidity Control & Occupancy Sensing | PCT533

Main Feature:

The OWON PCT533 is a 24VAC WiFi HVAC thermostat featuring a 4.3-inch color touchscreen, built-in occupancy sensing, humidity control, and remote room sensor support. Designed for residential and light commercial HVAC applications, it supports conventional systems, multi-stage heat pumps, and dual fuel configurations.

Model: PCT533/PCT533C

Dimension: 143 (L) × 82 (W)× 21 (H) mm

Weight: 350g

Certification: FCC, RoHS

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Product Detail

MAIN SPEC

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Main Features

• 4.3-inch full-color touchscreen with an intuitive user interface
• Compatible with conventional, multi-stage heat pump, and dual fuel HVAC systems
• Built-in radar occupancy sensing for intelligent comfort and energy optimization
• Supports remote room sensors for balanced multi-room temperature control
• Integrated humidity sensing with humidifier and dehumidifier control
• Flexible 7-day scheduling with Home, Away, Sleep, and Eco comfort presets
• Smart preheating and precooling for improved comfort and energy efficiency
• Daily, weekly, and monthly HVAC energy usage reports with smart maintenance alerts
• Tuya Smart app control, WiFi connectivity, OTA firmware updates, and Open API support
• Compatible with Amazon Alexa and Google Assistant for voice control
• Supports HVAC maintenance reminders and adjustable temperature swing settings

Humidity & Occupancy-Based HVAC Control

PCT533 goes beyond basic temperature control by combining temperature, humidity and occupancy sensing in one 24VAC WiFi HVAC thermostat. Built-in humidity sensing works with compatible humidifiers or dehumidifiers through dedicated accessory terminals, helping HVAC systems manage indoor humidity together with temperature.
Built-in occupancy sensing provides additional room-usage information for smarter HVAC control, while optional wireless room sensors extend temperature and humidity monitoring beyond the thermostat installation location. This makes PCT533 particularly suitable for HVAC projects where comfort, indoor environmental control and energy management need to work together.

Product

24vac heating and cooling system, 4.3 in. full-colorl LCD touchscreen, 7-day customizable Fan/Temp programming schedule

24vac heating and cooling system, smart HVAC control, 4.3 in. full-colorl LCD touchscreen, 7-day customizable Fan/Temp programming schedule

24vac heating and cooling system, 4.3 in. full-colorl LCD touchscreen, 7-day customizable Fan/Temp programming schedule, smart HVAC control

Application

The PCT533 WiFi smart thermostat is ideal for:
• Residential smart HVAC systems and energy-efficient homes
• Smart apartments and multi-family residential projects
• Multi-room comfort management with remote room sensors
• HVAC OEM/ODM integration projects
• Smart building and property management systems
• WiFi-based HVAC energy management platforms

FAQ

Q1: Does the PCT533 support occupancy-based HVAC control?
A: Yes. The built-in radar occupancy sensor allows the thermostat to adjust HVAC operation based on room occupancy, helping improve comfort and reduce unnecessary HVAC operation when spaces are unoccupied.

Q2: Can the PCT533 control both a humidifier and a dehumidifier?
A: Yes. The PCT533 supports both humidifier and dehumidifier control, allowing compatible HVAC equipment to manage indoor humidity together with temperature. Built-in humidity sensing provides more integrated indoor comfort control.

Q3: Is the PCT533 compatible with heat pump systems?
A: Yes. The PCT533 is compatible with 24VAC multi-stage heat pump systems and also supports conventional HVAC and dual fuel configurations.

Q4: Is the PCT533 suitable for professional HVAC installations?
A: Yes. The PCT533 is designed for residential and light commercial HVAC applications, with standard 24VAC HVAC compatibility, advanced configuration options, and connectivity features for professional installation and integration.

Q5: Does the PCT533 support wireless remote room sensors?
A: Yes. The PCT533 supports wireless remote room sensors for temperature and humidity monitoring in different rooms. Instead of relying only on conditions around the wall-mounted thermostat, remote sensor data can support more balanced multi-room comfort and help address hot and cold spots across the home or building.

Wi-Fi	• 802.11 b/g/n @ 2.4GHz
BLE	• For Wi-Fi Pairing
Display	• 4.3 in. full-colorl LCD touchscreen • 480*800 pixel display
Sensors	• Occupancy • Temperature • Humidity
Power	• 24 VAC, 50/60 Hz
Temperature range	• Desired Temperature: 40° to 90°F (4.5° to 32°C) • Sensitivity: +/− 1°F (+/− 0.5°C) • Operating: 14° to 122°F (-10° to 50°C)
Humidity range	• Sensitivity: +/− 5% • Operating: 5% to 95% RH (non-condensing)
Dimensions	• Thermostat: 143 (L) × 82 (W)× 21 (H) mm • Trim plate: 170 (L) × 110 (W)× 6 (H) mm
TF card slot	• For firmware updates and log collection • Format requirement: FAT32
Mounting Type	• Wall Mounting
Accessories	• Trim plate • C-wire Adapter (Optional)