▶Main Features:
• Compatible with most 24VAC conventional, multi-stage, and heat pump HVAC systems
• Supports dual fuel, hybrid heat, auxiliary heat, and emergency heat systems
• Supports up to 10 remote room sensors for multi-room temperature balancing
• Built-in occupancy, temperature, and humidity sensing for intelligent HVAC control
• Flexible 7-day scheduling for temperature, fan, and sensor preferences
• Smart preheating and precooling to reach the desired temperature on schedule
• Daily, weekly, and monthly HVAC energy usage reports
• Fan circulation mode for improved indoor comfort and air distribution
• Adjustable temperature swing settings to improve comfort and reduce HVAC short cycling
• Tuya Smart app for remote control, scheduling, and home automation
• HVAC maintenance reminders and multi-level keypad lock
• Open API support for OEM, system integration, and smart building platforms
▶Typical Deployment Scenarios
The PCT5231 Smart WiFi Thermostat is designed for residential and light commercial HVAC projects requiring reliable temperature control, energy efficiency, and flexible system integration. Typical applications include:
• Residential HVAC retrofit projects upgrading traditional 24VAC thermostats to connected WiFi control
• Multi-family apartments requiring balanced multi-room temperature control with remote room sensors
• Property management companies deploying connected HVAC systems across multiple residential buildings
• HVAC contractors and installers delivering modern heat pump, dual fuel, and conventional thermostat upgrades
• HVAC equipment manufacturers and OEM partners integrating smart thermostat solutions into their HVAC product portfolios
• Smart home brands and system integrators developing connected HVAC and home energy management solutions
• Hotels and hospitality projects seeking more efficient room temperature management and energy optimization
• Utility demand response and energy efficiency programs promoting intelligent HVAC control and reduced energy consumption
▶FAQ:
Q1: What HVAC systems is the PCT5231 compatible with?
The PCT5231 is compatible with most 24VAC conventional, multi-stage, and heat pump HVAC systems, including furnaces, boilers, air conditioners, and heat pumps. It supports up to 2H/2C conventional and 4H/2C heat pump configurations, including dual fuel, auxiliary heat, and emergency heat applications.
Q2: How do remote room sensors improve HVAC comfort?
The PCT5231 supports up to 10 remote room sensors that measure temperatures in different rooms. Instead of relying on a single thermostat location, the system can balance temperatures across larger homes, apartments, and light commercial spaces, helping improve comfort and reduce hot or cold spots.
Q3: Does the PCT5231 work with the Tuya Smart platform?
Yes. The PCT5231 connects to the Tuya Smart platform, enabling remote control, scheduling, automation, and integration with compatible voice assistants and smart home devices.
Q4: Can the PCT5231 help improve HVAC energy efficiency?
Yes. The PCT5231 provides daily, weekly, and monthly HVAC energy usage reports, helping homeowners, property managers, and HVAC professionals better understand system performance and identify opportunities to improve energy efficiency.
Q5: Can the PCT5231 be installed without a C-wire?
The PCT5231 operates on a 24VAC HVAC system. For retrofit projects where a C-wire is unavailable, an optional C-wire adapter can simplify installation while providing reliable thermostat power.
Compatibility |
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HVAC systems
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• Works with most 24V heating and cooling systems, including furnaces,
air conditioners, boilers, and heat pumps with either forced air or radiant
delivery.
• Conventional: 2-stage heating and 2-stage cooling HVAC systems
• Heat Pump: 2-stage heating, 2-stage cooling, 2-stage Auxiliary or
Alternative heating, Emergency heat
• Supports Dual Fuel switching/Hybrid Heat
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Wiring Terminals |
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Rc
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• 24VAC power from cooling transformer
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Rh
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• 24VAC power from heating transformer
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C
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• 24VAC common
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W1
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• 1st stage Primary heating relay in conventional system / Auxiliary or
Alternative 1st stage heat in heat pump system
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W2
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• 2nd stage Secondary heating relay in conventional system / Auxiliary or
Alternative 2nd stage heat in heat pump system / Emergency heat
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Y1
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• 1st stage Primary compressor contactor
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Y2
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• 2nd stage Secondary compressor contactor
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G
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• Fan relay
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O/B
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• Changeover valve for heat pumps
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S
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• C-Wire Adaptor terminal
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Connectivity |
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Wi-Fi
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• 802.11 b/g/n @ 2.4GHz
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BLE
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• For Wi-Fi Pairing
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Radio
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• 915MHZ
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Physical Specifications |
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Display
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• 3-inch single-color LED display
• Acrylic front panel
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Control Interface
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• Touch-sensitive buttons
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Sensors
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• Occupancy
• Temperature
• Humidity
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Power
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• 24 VAC, 50/60 Hz
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Dimensions
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• 96 (L) × 96 (W)× 24 (H) mm
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Mounting Type
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• Wall Mounting
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Accessories
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• Trim plate
• C-Wire Adaptor (Optional)
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Remote Zone Sensor |
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Battery
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• 2*AAA batteries
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Radio
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• 915MHz
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LED
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• 2-color LED (Red, Green)
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Sensors
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• Occupancy
• Temperature
• Humidity
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Mounting Type
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• Tabletop stand or Wall mounting
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