Honeywell LCD Temperature Controller TF428

Honeywell LCD Temperature Controller TF428Main performance

• Memory based timed shutdown function
• Timed cycle function
• Random start function
• External temperature sensor optional
• Built in energy-saving mode
• Large LCD screen with user-friendly interface
• Temperature display (room temperature or set temperature) optional
• Manual or automatic wind speed options available
• Celsius temperature scale/Chinese temperature scale optional
• Setting parameters can be maintained after power failure
• Undercooling protection function
• Keyboard lock function, which can lock/unlock some or all keys
• The temperature setting range can be limited

　　Honeywell LCD Temperature Controller TF428Technical Specifications

Working voltage: 220/230 VAC, 50/60Hz

Control method: Proportional integral algorithm, switch type output

Control accuracy: ± 1 at 21 ° C? C

Load capacity: 2A (fan)

1A (valve)

Protection level: IP20

Temperature setting range: 10~32 ° C

Temperature display range: 0~37 ° C

Operating environment temperature: 0~+49 ° C

Transportation environment temperature: -30~+60 ° C

Relative humidity: 5%~90% RH, no condensation

External temperature sensor: NTC20K

Product selection:

TF428WN/U: 220/230 Vac，

TF428DN: 220/230 Vac，