Tekmar Controls 562 Thermostat

For veteran HVAC contractors managing multi-stage systems, the Tekmar Controls 562 Thermostat delivers site-proven reliability with a 2H/1C 7DAY PRO WIFI 24V configuration. This WiFi touchscreen thermostat is engineered to handle two-stage heating and one-stage cooling, specifically tailored for radiant floor heating and forced air compatibility. Its 7-day, 4-event programmable schedule allows for granular control, while the Watts Home mobile app provides secure remote access over 2.4 GHz networks using WPA2 encryption. The 3.5-inch color display supports energy monitoring and displays outdoor temperatures when integrated with optional sensors. Built for professional-grade hydronic and HVACRs applications, the Tekmar 562 features an early start algorithm that learns system lag times to reach setpoints precisely on schedule, ensuring peak efficiency for 24V HVAC systems.

• Multi-Stage Control: Seamlessly manages 2H/1C HVAC systems, including radiant floor and backup furnace integration.
• Remote Management: Connects via the Watts Home app for temperature adjustments, energy monitoring, and real-time email error notifications.
• Precision Scheduling: Features a 7-day programmable interface with four daily events and a dedicated Away mode for unoccupied energy savings.
• Radiant Optimization: Supports an optional 079 floor sensor to protect delicate floor coverings and enhance hydronic system response.
• Contractor-Friendly Setup: Microprocessor-based control with standard 18 AWG wiring requirements and 24V AC compatibility.

How do I resolve an "OPN" or "OPEN" error on the display?
This message typically indicates an open circuit on the auxiliary sensor input. Check for loose wiring at the sensor terminals or ensure the sensor setting in the Adjust Menu is set to 'Off' if no external sensor is installed.

Does this unit support 5 GHz WiFi networks?
The hardware is designed for 2.4 GHz 802.11n WiFi. For routers broadcasting only 5 GHz, a separate 2.4 GHz SSID must be configured to ensure stable connectivity and automatic software updates.

Can I use this to control both radiant floors and a furnace?
Yes, the Tekmar 562 is specifically designed to operate a first-stage radiant floor and a second-stage furnace for heating, providing a comprehensive solution for mixed-delivery systems.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.