UB1211CH, UB2204CH, UB2221CH, UB4334SCH - Field Controllers
Application
The UB series controllers are primarily used for comfort control in HVAC systems, controlling supply or return air temperatures, humidity, and more in air handling units. They come with a variety of built-in fixed application modules for selection. Three optional outputs: 0~10Vdc, 2~10Vdc, and 4~20mA. Compatible with DIN rail and embedded panel mounting. Available in both Chinese and English interfaces.
Features
● Extra-large LCD, Chinese display, stylish appearance
● AC 24V operating voltage
● A variety of applications are available for selection.
● Simulated input supporting resistance temperature sensors for NTC20K, NTC10K, PT1000 and 0~10Vdc signal
● Analog output 0~10 Vdc, selectable between 2~10Vdc or 4~20mA signal, polarity reversible
Configurable forward or reverse digital output
● PI parameters are adjustable
One-touch control for winter/summer mode switch
All data can be configured via keyboard; no other tools required.
● Compatible with DIN track, flush-mounted panel installation
● Time Program Control (only for model UB4334SCH)
Technical Specifications
Power Supply
Working Voltage: AC 24V ± 10%
Frequency 50Hz/60Hz
Power Requirements: Class 2 Power Supply
Power Consumption: 8VA
LCD Display Resolution
Actual and Set Values - 4-Digit Display
Temperature: 0.1℃
Relative Humidity: 0.1%
Carbon Dioxide Concentration: 1 PPM
Pressure: 1 Pa
Direct Current Voltage Output 20Vdc ±10% @ 75mA max
Environmental RequirementsGrade IEC721-3-2
Transportation Temperature -20～+65℃
Transportation Humidity < 95%RH
Operating Temperature 0～+50℃
Operating Humidity ＜95%RH
IPGrade - Shell IP20
CE Mark
Meets EU requirements EN60730
Electromagnetic Compatibility 2004/108/EC
Other International Standards UL，C-Tick
Installation
The controller offers both panel mounting and DIN rail mounting installation options.
Panel Installation
Important Dimensions:
Panel thickness: 1.5 ± 0.5mm; Hole size of panel: 103 ± 1mm × 156 ± 1mm.
