Schneider TAC STR-250 Room Temperature Senso

Description

Schneider TAC STR-250 Room Temperature Senso

The Schneider Electric TAC STR-250 is a wall-mounted digital room thermostat/sensor module from the TAC I/NET and TAC Vista building management systems (BMS). It is designed to provide localized climate control and temperature sensing in commercial and institutional buildings.

Product Detailed Description

The STR-250 acts as the user interface for room occupants to interact with the facility’s heating, ventilation, and air conditioning (HVAC) systems. It features a digital LCD display that indicates the current room temperature or setpoint, and includes manual override buttons for occupancy status and fan speed adjustments. The unit connects directly to room controllers (such as the TAC Xenta or I/NET series controller) to regulate VAV boxes, fan coil units, or underfloor heating.

Technical Parameters

Product Advantages

• User-Intuitive Interface: Clear LCD display and straightforward buttons make it easy for tenants to adjust their local comfort settings without calling facility management.
• Occupancy Override: Features a dedicated button to manually switch the room from “Economy/Unoccupied” mode to “Comfort” mode, saving energy when rooms are empty while offering instant comfort when needed.
• Aesthetic Design: Sleek, low-profile casing blends well with modern office, hotel, or school interiors.
• Seamless BMS Integration: Communicates directly with parent TAC controllers, ensuring local room data is perfectly synced with the global building automation network.

Important Considerations & Precautions

• Placement is Critical: Avoid installing the sensor in direct sunlight, near external windows, or close to supply air diffusers. Drafts and radiant heat will cause inaccurate temperature readings (ghost loads).
• Wiring Requirements: Use the manufacturer-specified twisted, shielded cable for connecting the STR-250 to the controller to prevent electromagnetic interference (EMI) from lighting or power lines.
• Cleaning: Clean only with a dry or slightly damp cloth. Never use aggressive solvents or spray water directly onto the unit, as fluid ingress will damage the internal circuit board.
• Compatibility: Ensure the sub-model matches your specific system controller protocol (e.g., LonWorks/Vista vs. I/NET configurations utilize different communication profiles).

Product Applications

The TAC STR-250 is widely deployed across commercial building automation sectors:

• Commercial Offices: Providing individualized zone control for open-plan offices and private meeting rooms.
• Hotels and Hospitality: Allowing guests to manage fan speeds and room setpoints within defined energy efficiency limits set by the hotel management.
• Educational Institutions: Regulating classroom temperatures based on daytime occupancy schedules.
• Healthcare Facilities: Localized temperature monitoring in non-critical hospital areas like waiting rooms and administrative offices.

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