Wall Module - Temp/Humidity/CO2 Sensor, Sylk Bus, LCD Display, TR40/TR42

The HONEYWELL TEMP/HUMIDITY/CO2 SYLK WALL MODULE is a wall-mounted sensor module compatible with specified Honeywell controllers. It integrates temperature, humidity, and CO2 sensing capabilities in a single unit and communicates via the two-wire SylkTM bus, which supports data transmission and power via the two-wire SylkTM bus. The module supports connection of up to seven devices per controller.

Key features include:

• Integral sensors for temperature, relative humidity, and CO2 concentration
• Calculated dew point output
• Operates in either °C or °F
• Monochrome backlit LCD display configurable to show sensor readings; enables adjustment of fan speed, occupancy override, and temperature set point where supported (TR42 variant)
• Portrait or landscape mounting options
• Single power/data connection reduces wiring requirements
• Display of outside air temperature values from controller input
• Function key options for additional controls such as lights or blinds
• Backup/transfer configuration using micro SD card support (TR42 variant)
• CE certification; UL94-V0 plastic enclosure; FCC Part 15 Class B