T29MTW-7-S-BACnet

Commercial BACnet DX/FCU Thermostat

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Seamless integration with BMS via industry-standard BACnet protocol.

Universally compatible with DX Unit and FCU systems.

Up to 2-stage heating and 2-stage cooling for precise temperature control.

Large color touch screen and modern keys for easy, intuitive operation.

High-accuracy temperature control with a display resolution of 0.1°C.

Built-in Card/Window functions support efficient energy saving strategies.

Home Product Commercial Thermostats DX Unit Thermostats

Product Description

The T29MTW-7-S-BACnet is a commercial BACnet MS/TP thermostat and controller for DX Units and FCU. Designed for HVAC control, it offers 2-stage H/C, 0.1°C precision, and a color touch screen. Native BACnet enables seamless BMS integration, allowing centralized monitoring and optimized energy management.

Key Functions

Central Communication

Full BACnet MSTP support for robust system networking and data exchange.
Staged Climate Control

Controls up to two stages of heating and cooling for dynamic system management.
Programmable Scheduling

Allows users to set customizable daily/weekly schedules to maximize energy savings.

Key Card Linkage

Integrated room card and window card inputs for occupancy-based system automation.
Multi-Speed Fan

Supports multi-speed (e.g., Low/Med/High) fan control for optimized airflow.
External Sensing

External sensor input available for measuring and controlling remote temperature points.

Product Selector

Model No.

Heat/cool

Cool only

Pipe

Speed fan

Programmable

Window card

Room card

External Sensor

BACnet RTU

WIFI

Power

Manual

T29MTW-7-S-BACnet

√

2/4

1/3

√

220/24VAC

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Product Parameters

Power Supply: 100-240VAC 50/60Hz；24(18~30) VAC 50/60Hz
Realy for fan: 8(5)A
Standby current: <1W
Heat/Cool Relay Amps inductive: 3(2)A
Temperature setting range: 0°C to 50°C
Accuracy: 0.1°C
Storage temperature: -10°C to 60°C
Operation temperature: 0°C to 50°C
Dimensions: 135mm×92mm×27.5mm

Product Dimensions

Product Installation

Product Application Scenarios

This versatile thermostat is perfect for projects that demand both high-level system control and user convenience. Ideal for luxury apartments, boutique hotels, commercial offices, and energy-saving retrofit projects where integration into a larger BMS is necessary, yet individual unit smart control (Wi-Fi/Voice) remains a priority for the end-user or tenant.

Hospital

Office-Building

luxury apartments

Partnership & OEM/ODM Support

Partnering with Saswell means securing a comprehensive support ecosystem that accelerates your project deployment, ensures product quality, and provides reliable long-term service across global markets.

Rapid Product Customization

Leveraging our 7-product platforms for fast, tailored modifications within a short development cycle.
Expert Technical Support

Dedicated engineering consultation and prompt, professional guidance throughout project planning and installation.
Global After-Sales Service

Reliable warranty and maintenance services supported by a global partner network to ensure continuous operation.

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DX Thermostat with Modbus RTU for BMS Control

The Saswell SAS908MTW is a High-Precision DX Thermostat engineered for complex Commercial BMS Control. Featuring optional Modbus RTU (RS485) communication and robust 3-speed fan management, it ensures superior temperature accuracy and seamless system integration for high-performance HVAC systems.

SAS908MTW

Commercial BACnet DX/FCU Thermostat

Product Description

Product Selector

Product Parameters

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