▶Main Features:
• Compatible with most 24VAC conventional and heat pump HVAC systems
• Supports Dual Fuel, Hybrid Heat, Auxiliary Heat, and Emergency Heat applications
• Supports up to 10 remote room sensors for multi-room temperature balancing
• Tuya Smart app for remote control, scheduling, and smart automation
• Built-in occupancy, temperature, and humidity sensors 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 to improve comfort and reduce short cycling
• HVAC maintenance reminders and multi-level keypad lock
• Open API available for OEM and smart building platform integration
▶Typical Deployment Scenarios
The PCT5231 Smart WiFi Thermostat is designed for residential and light commercial HVAC projects that require reliable temperature control, energy efficiency, and flexible system integration. It is well suited for:
• Multi-family apartments requiring balanced temperature control across multiple rooms with remote sensors
• Hotels and hospitality projects seeking smarter HVAC management and energy-saving operation
• Residential HVAC retrofit projects upgrading conventional thermostats to connected WiFi control
• Property management companies managing HVAC systems across multiple homes or buildings
• HVAC contractors and installers delivering modern 24VAC thermostat upgrades for customers
• HVAC equipment manufacturers and OEM partners integrating smart thermostat solutions into their product portfolios
• Smart home brands and system integrators building connected HVAC and energy management solutions
• Utility and energy efficiency programs promoting intelligent HVAC control and reduced energy consumption
▶FAQ:
Q1: What HVAC systems is the PCT5231 compatible with?
A: The PCT5231 is compatible with most 24VAC conventional 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, making it suitable for residential and light commercial HVAC projects.
Q2: Does the PCT5231 support remote room sensors?
A: Yes. The thermostat supports up to 10 remote room sensors for multi-room temperature balancing, helping improve comfort in larger homes, multi-family apartments, hotels, and other light commercial buildings.
Q3: Does the PCT5231 work with the Tuya Smart platform?
A: 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: Does the PCT5231 provide energy usage reports?
A: Yes. The thermostat provides daily, weekly, and monthly energy usage reports, helping homeowners, property managers, and HVAC professionals monitor HVAC performance and improve energy efficiency.
Q5: Does the PCT5231 require a C-wire?
A: The PCT5231 is powered by 24VAC. For retrofit installations without a C-wire, an optional C-Wire Adapter is available to simplify installation while maintaining reliable thermostat operation.
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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