Mô tả
Thermostat TF228WN
Bộ điều khiển nhiệt độ Honeywell TF228WN USA 100%

Features
Memorized time off
Cycle Per Hour (CPH)
Random startup
LCD display with simple user interface
Room temperature or setpoint temperature display selectable Manual or automatic fan speed selectable
Temperature units in either °C or °F
User setting can be stored with power loss
Freeze protection available
Four keypad lock options
Heating and cooling setpoint limitation
Flush mount on standard 86 wall mounting box
Specifications
Power supply 220(+10%,-15%)VAC, 50Hz
Control PI, On/off output
Accuracy ±1°C at 21°C
Rating capacity 3A for fan load, 2A for zone valve
Protection class IP20
Set point range 10 ~ 32°C
Display range 0 ~ 37°C
Ambient operating limits 0~ +49°C
Ambient storage limits -30 ~ +49°C
Humidity limits 5~90% RH, non-condensing.