Thermostat 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

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.