Description
WS3B4WB/U Honeywell Thermostat , WS3 Series wall modules are designed for application with 3- speed fan and modulating valve for indoor temperature control in fan coil system. With temperature set, WS3 Series wall modules will provide modulating signal for valve control to regulate chilled or heated water flow to the occupant desired comfort.
The WS3 Series wall modules have selectable automatic or manual control of fan speeds.
The WS3 Series wall module has a large LCD display providing real time display of room temperature or set temperature. The Honeywell WS3E2WB/U Wall Thermostat, WS3 Series wall modules support energy saving features through key card (dry contact) input
Features of Honeywell WS3E2WB/U
- Extra large LCD and operating interface
- Temperature display selection (room temperature or set temperature)
- Manual or automatic fan speed selection
- Anti-freeze protection
- Operating buttons lock / unlock
- Temperature range setting
- Standard 86 wall-mount installation box
- Modulating valve control
- Support remote temperature sensor
- Support energy saving activation by dry contact (keycard)
Function
Valve And Fan Control
The wall module obtains room temperature through the built in sensor or remote sensor and regulate to the set temperature by controlling the valve opening. There are three fan speeds which can be set manually and automatically. Under manual mode, fan speed is adjusted by FH, FM and FL outputs. Under automatic mode, the fan speed will depend on the difference between the room temperature and set temperature.
Temperature Display
During the installation and setup process of the wall module, you can configure it to display either the room temperature or set temperature.
Backlight
Upon pressing any button, the backlight will activate and continue to stay on for 8 seconds after the last button press. In setting mode, the backlight will remain turn on for 60 seconds upon the last button pressed.
Keypad Lockout
While the device is not in setting mode, there is an option to either lock or unlock the keypad. In lock mode, the keypad becomes inactive upon pressing any button.
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