Honeywell TR42 Sylk Bus Temperature Wall Module for HVAC Control
Honeywell · Sensors & Instrumentation
Description The Honeywell TR42 is a wall-mounted temperature module designed for monitoring and adjusting room temperature in HVAC and building automation systems. Utilizing Sylk Bus communication, it provides accurate temperature sensing while allowing occupants to adjust temperature setpoints, fan settings, and occupancy override functions. Its two-wire design enables simple installation and reliable integration with compatible Honeywell controllers. Technical Specifications Condition New/Never Used Surplus Brand Honeywell Category Controls & Indicators Part Number TR42 Subcategory Temperature & Process Control Device Type LDC Temperature Wall Module Communication Protocol Sylk Bus Wiring 2-wire Temperature Sensor Integrated room temperature sensor Setpoint Adjustment Yes Occupancy Override Yes Fan Control User-selectable fan options Application HVAC and building automation Compatible Systems Honeywell Sylk Bus building automation controllers Mounting Wall mount Weight 2 lb Information About TR42 The TR42 is part of Honeywell's family of communicating wall modules developed for commercial HVAC and building management systems. It communicates over the Sylk Bus protocol using a simple two-wire connection that carries both power and communications, reducing installation complexity. The module combines room temperature sensing with user-adjustable setpoint, fan control, and temporary occupancy override functions to improve occupant comfort and system efficiency. Designed for seamless integration with compatible Honeywell controllers, the TR42 is commonly installed in offices, schools, healthcare facilities, retail buildings, and other commercial environments. Key Features: Wall-Mounted Temperature Module: Designed for HVAC and building automation systems. Sylk Bus Communication: Two-wire communication and power connection. Integrated Temperature Sensor: Provides accurate room temperature monitoring. Adjustable Setpoint: Allows occupants to fine-tune room temperature. Override Function: Supports temporary occupancy override operation. Fan Control Options: Enables local fan speed selection where supported. Easy Installation: Two-wire design simplifies wiring and commissioning. Building Automation Ready: Compatible with Honeywell commercial HVAC controllers. The TR42 delivers the reliability and precision required for commercial HVAC temperature monitoring and building automation control.
Brand: Honeywell · Category: Sensors & Instrumentation
Key features
- Wall-Mounted Temperature Module: Designed for HVAC and building automation systems.
- Sylk Bus Communication: Two-wire communication and power connection.
- Integrated Temperature Sensor: Provides accurate room temperature monitoring.
- Adjustable Setpoint: Allows occupants to fine-tune room temperature.
- Override Function: Supports temporary occupancy override operation.
- Fan Control Options: Enables local fan speed selection where supported.
- Easy Installation: Two-wire design simplifies wiring and commissioning.
- Building Automation Ready: Compatible with Honeywell commercial HVAC controllers.
Specifications
| Manufacturer part number | TR42 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Honeywell |
| Category | Controls & Indicators |
| Part Number | TR42 |
| Subcategory | Temperature & Process Control |
| Device Type | LDC Temperature Wall Module |
| Communication Protocol | Sylk Bus |
| Wiring | 2-wire |
| Temperature Sensor | Integrated room temperature sensor |
| Setpoint Adjustment | Yes |
| Occupancy Override | Yes |
| Fan Control | User-selectable fan options |
| Application | HVAC and building automation |
| Compatible Systems | Honeywell Sylk Bus building automation controllers |
| Mounting | Wall mount |
| Weight | 2 lb |
| Product type | Temperature Sensor |
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