About Honeywell HVAC Temperature Controller
Honeywell HVAC Temperature controller (T2798I2000)
Honeywell Thermostat
- PI (proportional plus integral) control action provides accurate, stable and comfortable temperature control.
- Compatible with series 70 direct-coupled damper / valve actuator like ML7161, ML7174, ML7420 / ML7421series ML7425, ML7984 series, N20010, S10010, M7410E series, CN7505, CN7510 / CN72 series CN7220 & CN7234 also VC79 series etc.
- Backlit LCD to display both setting and measured value.
- Adjustable Zero Energy Band, On/OffDifferential, Proportional Band and Temperature Offset.
- Analog output can be forced manually to be convenient for installation & commissioning.
- Optional 2 to 10Vdc or 4 to 20mA direct acting and reverse acting analog output.
- Selectable internal and external temperature sensor.
- Wide temperature control range (-20 to 110 °C by using external temperature sensor) is suitable for extreme temperature control such as steam and ice water.
- Watch Dog Timer: to resume the controller from hanging condition.
- Brownout effect to avoid malfunctioning and care on power ON and power OFF.
- Pluggable terminal block allows pre-wiring outside of the controller.
- Compact size and slim design provide elegant and attractive modern style appearance.
Modern Design and User InterfaceThe controller features a sleek rectangular shape with a matte/textured white ABS plastic finish, enhancing modern interiors in commercial environments. Its surface or wall-mount design and discreet 86 x 86 x 30 mm profile offer easy integration. The backlit LCD and touch keypad make temperature adjustments straightforward, even in low light.
Flexible Connectivity and AutomationWith optional Modbus and BACnet communication interfaces, the unit caters to advanced building management systems for automation. Users can program schedules, lock keypads when necessary, and control multiple zones, optimizing energy efficiency with an A++ rating. Its 24V power rating fits standard electric HVAC controls.
Robust Performance and SafetyDesigned for demanding conditions, the controller operates efficiently from 0C to 50C and endures storage temperatures down to -20C. With an IP20 ingress protection and silent operation, the unit reliably maintains comfort in diverse commercial and industrial environments. The included mounting kit and user manual simplify installation and setup.
FAQ's of Honeywell HVAC Temperature Controller:
Q: How do I install the Honeywell HVAC Temperature Controller?
A: The controller is designed for surface or wall mounting and comes with a mounting kit and user manual. Simply follow the wiring instructions using the screw terminal block to connect it to your HVAC system and secure the unit onto the wall.
Q: What are the display and control features of this controller?
A: It features an LCD display with backlight for clear visibility and a user-friendly touch keypad for easy operation. The keypad can be locked to prevent unauthorized changes to settings.
Q: When should the Modbus/BACnet communication option be used?
A: Enable Modbus or BACnet when integrating the controller into a building management or automation system. This allows remote monitoring and centralized control of multiple HVAC zones, improving efficiency in commercial setups.
Q: Where can this HVAC temperature controller be applied?
A: The controller is designed for commercial and industrial HVAC systems, suitable for office buildings, industrial facilities, and other multi-zone environments across India and similar regions.
Q: What is the process for programming temperature setpoints?
A: Using the touch keypad, users can set desired temperature points ranging from 5C to 35C. The programmable function enables scheduling for different times or days to match operational requirements.
Q: How does the controller benefit HVAC operations?
A: By offering automatic temperature regulation, silent digital sensing, and programmable controls, the controller ensures consistent comfort, energy efficiency (A++ rating), and easy integration into modern building systems.