WiFi Smart Thermostat with Humidity Control for 24Vac HVAC Systems | PCT533

Main Feature:

The OWON PCT533 is a 24VAC WiFi smart thermostat with a 4.3-inch full-color touchscreen for modern HVAC systems. It supports remote sensors, humidity control, and 7-day scheduling, and works with conventional, heat pump, and dual fuel systems.

Model: PCT533/PCT533C

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

Weight: 350g

Certification: FCC, RoHS

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Product Detail

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Main Features:

• Compatible with most 24VAC HVAC systems, including conventional and heat pump systems
• 4.3-inch full-color LCD touchscreen with modern user interface
• Supports remote room sensors for balanced temperature control
• Built-in humidity sensing and support for humidifier / dehumidifier control
• Flexible 7-day programmable temperature and fan scheduling
• One-touch comfort presets for Home, Away, Sleep, and Eco modes
• Multiple HOLD options: Permanent Hold, Temporary Hold, or Follow Schedule
• Smart warm-up / precooling to reach the desired temperature on time
• Fan circulate mode for improved indoor comfort and air distribution
• Energy usage tracking with daily, weekly, and monthly reports
• Maintenance reminders and system alerts
• Temperature swing adjustment to optimize HVAC efficiency
• Voice control with Amazon Alexa and Google Assistant

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 Scenarios:

The PCT533 WiFi smart thermostat is designed for modern HVAC control and energy management across residential and light commercial environments. It is ideal for:
• Smart home HVAC upgrades in residential houses and apartments, improving comfort and energy efficiency.
• OEM integration for HVAC equipment manufacturers and system integrators requiring reliable WiFi thermostat solutions.
• Smart home platforms and WiFi-based Energy Management Systems (EMS) for unified HVAC monitoring and automation.
• Property developers and building projects that require connected HVAC control for modern smart homes.
• Energy efficiency retrofit programs for multi-family and single-family homes across North America and Mideast.

FAQ:

Q1: What makes PCT533 wifi thermostat different from PCT513?
A: PCT533 offers advanced HVAC control features, including built-in radar occupancy sensing, higher display resolution, smart alerts, energy usage reports, and humidifier/dehumidifier control, making it suitable for projects requiring higher automation and energy efficiency. PCT513 focuses on standard WiFi thermostat functionality without these advanced features.

Q2: What is the difference between PCT533 and the cost-down model PCT533C?
A: PCT533 includes radar-based occupancy sensing and humidity control terminals, while PCT533C removes these functions to reduce cost. Both models share the same display, scheduling capability, and professional installation design.

Q3: Does PCT533 smart thermostat support occupancy-based HVAC control?
A: Yes. PCT533 features built-in radar occupancy sensing, allowing the HVAC system to automatically adjust operation based on real room presence, helping improve comfort and energy efficiency.

Q4: Can PCT533 control a humidifier or dehumidifier?
A: Yes. PCT533 supports two-terminal humidifier and dehumidifier control, enabling integrated temperature and humidity management from a single thermostat.

Q5: Is PCT533 suitable for professional HVAC installations?
A: Yes. PCT533 is designed for professional HVAC installations, featuring press-type terminal blocks, advanced configuration options, and compatibility with common 24VAC HVAC systems.

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	• 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)