Index

SDC / DHC

 

 

Fault 126

Maximum temperature limit 130

Minimum temperature limit 129

Reset 135

Sensor control mode 130

Start-up protection 128

Heating circuit bus authorisation 231 Heating circuit name 180

Heating circuit pump extended running time 165

Heating circuits minimum temperature limit 130

Heating curve 161, 162

Heating limit 175

Heating system 164

Hot water

Circuit switching differential 191

Control mode 154, 189

Maximum temperature 188

Night-time temperature 188

Pre-control 151

Pre-regulator 150

Quick connection in cascaded systems 192

Hot-water

Control 152

Production 187

Hot-water loading mode stage II 134 Hot-water tank

Loading 187

Hydraulic buffer relief 215

I

Indirect return increase 161, 222

256

L

Legionella protection 188 Loading enabling 191

Loading pump extended running 191

M

Menu

Direct Heating Circuit 172, 180

Mixed Heating Circuit 180

Mixed Heating Circuits 172

Minimum burner runtime 131

O

OpenTherm 140

Operating mode 118

Operating states 40

Operation with NTC 20K room

temperature sensor 231 Outside temperature 121, 122, 135 Outside temperature emergency operation

value 121

Outside temperature sensing 120 Overview of the technician parameters 81,

119, 135

P

Parallel operation 155, 189 Parallel operation based on weather

conditions 190 Primary pump 158

Extended running time 158

Priority isolating circuit 190

Priority mode 189

Pump forced operation 127

R

Reduced operation 164

Relay/function test 239

Reset 77, 249

Return increase 159

EN2H-0221GE51 R0808

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Honeywell EN2H-0221GE51 R0808 service manual Sdc / Dhc
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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.
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