SDC / DHC

Hydraulic Components

 

 

Solid-fuel boiler If the temperature in the solid fuel boiler rises above the set maximum temperature maximum temperature limit, the solid-fuel loading pump is forced

limit to switch on. The excess heat is then dissipated into the preselected circuits (see "Buffer Tank" menu). This forced dissipation will be cancelled and the temperature differential control enabled when the solid-fuel boiler temperature undershoots the maximum limit by more than 10 K.

Solid-fuel boiler buffer tank switch-on differential (switching differential ON)

Solid-fuel boiler buffer tank switch-off differential (switching differential OFF)

Heat generator cycle disable

Anti-blocking function

If the temperature in the solid-fuel boiler rises above the current temperature in the buffer tank by at least the set amount, the solid-fuel loading pump is switched on and the buffer tank is loaded.

Prerequisite:

The temperature of the solid-fuel boiler is at least 10 K over the minimum temperature limit.

The min. set value is 3 K above the switch-off differential.

If the differential between the solid-fuel boiler and buffer tank temperatures is less than the set amount, the solid-fuel loading pump is switched off and loading is interrupted. The max. set value is constantly 3 K below the selected activation difference in order to prevent rear discharging of the buffer tank.

Heat generator solid-fuel cycle disable

The solid-fuel cycle disable serves to prevent frequent switching between loading through the solid-fuel boiler and loading through a conventional oil/gas heat generator.

After the solid-fuel loading pump has been switched off, the set time must pass before loading of the buffer tank is continued through the conventional heat generator.

This is an automatic function of the controller. If the solar loading pump was switched off longer than 24 hours, it is operated for approx. 20 seconds to prevent blocking via corrosion.

7.3.7Tank loading switch-over

In systems that have both an external hot-water tank and a buffer tank, a diverter valve can be used to switch between loading the hot-water tank and loading the buffer tank from solar power system. This allows economical and effective use of solar power

EN2H-0221GE51 R0808

213

Page 213
Image 213
Honeywell EN2H-0221GE51 R0808 Prerequisite, Heat generator solid-fuel cycle disable, Tank loading switch-over

EN2H-0221GE51 R0808 specifications

The Honeywell EN2H-0221GE51 R0808 is a versatile and efficient solution designed to enhance HVAC (Heating, Ventilation, and Air Conditioning) systems in commercial and residential settings. This device stands out in the marketplace due to its robust features, technologies, and characteristics that cater to a variety of applications.

One of the primary features of the EN2H-0221GE51 R0808 is its user-friendly interface, which allows for easy configuration and management. The device is equipped with an intuitive display that provides real-time data, enabling users to monitor system performance at a glance. This functionality not only simplifies operation but also enhances user engagement, making it an ideal choice for both novice and experienced users.

The device employs advanced control technologies, including proportional-integral-derivative (PID) control algorithms. This ensures that the HVAC system operates at optimal efficiency, maintaining the desired temperature while minimizing energy consumption. The precision of the PID control allows for smoother transitions and increased comfort levels within the environment.

Another significant characteristic of the Honeywell EN2H-0221GE51 R0808 is its compatibility with various communication protocols, including Modbus, BACnet, and more. This flexibility facilitates integration with existing building management systems, allowing for comprehensive control over heating and cooling operations. Such interoperability aids in streamlining processes and enhancing system performance.

Durability is also a hallmark of the EN2H-0221GE51 R0808. Constructed with high-quality materials, the device is designed to withstand the rigors of demanding environments. Its sturdy design contributes to longevity and reliability, reducing the need for frequent replacements and maintenance.

Energy efficiency is at the forefront of the Honeywell EN2H-0221GE51 R0808's design. It incorporates features that allow for advanced energy monitoring and reporting, helping users identify potential savings areas. This attention to energy consumption not only promotes sustainability but also leads to significant cost savings over time.

Finally, the EN2H-0221GE51 R0808 supports remote access capabilities, enabling users to control and monitor their systems from anywhere. This feature is particularly beneficial for property managers and business owners, as it allows for swift adjustments and oversight, ensuring that temperature and air quality remain within desired parameters.

In summary, the Honeywell EN2H-0221GE51 R0808 is a sophisticated and reliable solution for HVAC systems. Its user-friendly design, advanced control technologies, compatibility with communication protocols, durability, energy efficiency features, and remote access capabilities make it an outstanding choice for various applications in both commercial and residential scenarios.