Thermostat TF228WN

Bộ điều khiển nhiệt độ Honeywell TF228WN

Mã sản phẩm: TF228WN
Tình trạng: Hàng mới
Nhà sản xuất: Honeywell / USA
Bảo Hành : 12 Tháng

Mô Tả :

This digital thermostat is designed for application of 3-speed fan and valves in fan coil system. Including
• 2-pipe cool only/heat only/manual changeover
• 4-pipe manual or automatic changeover
• Ventilation mode
• Manual or automatic 3-speed fan control
• Water valve on/off control

Mô tả

Thermostat TF228WN

Bộ điều khiển nhiệt độ Honeywell TF228WN USA 100%

Bộ điều khiển nhiệt độ Honeywell TF228WN

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.