Variable Air Volume Box with Hot Water Reheat – The variable air volume box or VAV box is a commercial solution to adding multiple zones to large buildings. VAV boxes offer zoning solutions so that separate zoning demands or temperature selections can be maintained in different areas of the building.
If the president of the company wants the temperature in their office to be 70 degrees Fahrenheit but the vice president wants their office to be 74 degrees Fahrenheit then it is possible with the VAV zoning system as long as their VAV boxes are on different zones. (more…)
Air Handler Equipment DDC Controllers – These controllers will control an air handler once the wiring is completed. The panel is freshly mounted and waiting for the technician to run the piping and pull the wire from the control points. Other points, such as outside air, temperature sensors in piping or ductwork, flow meters, actuators, or other control points can be terminated to these controllers and the data collected from those input points can be networked over the entire building automation system through the communication trunks. (more…)
DDC Automated Logic M-Stack - This Automated Logic M-Stack provides a control for multiple pieces of HVAC equipment and integrates network communication all in one single stack. This direct digital control system is integrated with pneumatic controls. DDC allows automated HVAC control processes to take place and adds higher efficiency to an HVAC system. (more…)
What you will learn from this Building Automation Systems article:
The efficiency and conveniences Building Automation Systems add to the building control systems and HVAC systems
How Building Automation enhances building energy savings and troubleshooting problems
How allowing controllers to communicate with each other enhances HVAC and electrical systems
Many of the benefits of Building Automation Systems for Building Automation and Building Control Systems
Communication Protocols and Integration of HVAC Systems, Lighting, and other Building Control Systems
Building Control System User Interface for Remote Monitoring and Control
Monitoring Energy Consumption and Energy Efficiency
Lastly, resource and Related Links to help you learn more
Many people wonder what Building Automation Systems (BAS) can do. The primary use of BAS is commercial HVAC control systems and energy management system applications. Building Automation itself is an energy management system that saves management companies and building owners by efficiently controlling air conditioning and heating comfort and process systems.
Domestic Hot Water Mixing Valve and Domestic Storage Tank - This domestic hot water mixing valve offers a way to temper the hot water coming from a hydronic hot water loop and boiler. It is very important to maintain the appropriate and desirable temperatures of water used for domestic water use.
First, you want to maintain a safe temperature so people are not scalded by extremely hot water temperatures. Once the temperature is safe it needs to be reliable. Since the boilers operate or are on standby 24/7 - 365, the availability is there to reliably make domestic hot water on demand. (more…)
DDC Controlled Chilled Water Actuator | HVAC Automation. This chilled water actuator is attached to a valve which supplies chilled water to the air handling unit. The air handling has a chilled water coil. The actuator modulates the valve based on a set point inside the DDC program. If the program has trim and respond capabilities the set point will rise up and down based on demand. Demand from the VAV boxes or the HVAC zones. Most DDC controlled actuators work off of a DC volt or current signal. (more…)
HVAC Control Transformer Bank - This bank of transformers is being used to power several VAV box controllers. One of many VAV boxes is powered by one of these transformers. In most VAV box applications, the power for the control system is at the box and a properly sized transformer for VA load is used to power the controller. In this application, the VAV boxes were not fan-powered and line voltage was not available in the boxes. So a central transformer bank was used and a wire for control power was pulled to each VAV box. (more…)
Belimo Actuators Automatic Valve Control - Many processes or actions in HVAC are made more efficient by having them automatically controlled by the control system. This enhancement of efficiency is possible by using Belimo actuator valve control. The Belimo automatic HVAC valve control is made possible with DDC and modulating electric Belimo actuators. (more…)
Commercial Boiler Stack Economizer - This is not a normal commercial boiler stack in this boiler room. It has a bypass stack for a commercial hot water economizer. All boilers have make-up water to make up for water lost in the systems, especially for domestic hot water use.
An economizer makes things more efficient. In this regard, the economizer utilizes waste heat. Waste heat is normally vented into the atmosphere. This system was specially engineered and tested to ensure the proper operation of the design. (more…)
Boiler Piping Plant Renovation - Hot Water Boiler Piping for a commercial boiler application. Boiler project being renovated and getting all new DDC controls for optimum hydronic control and efficiency. Boilers are an excellent way of providing good hot water heating to a large building or community.
In this case, new boilers were installed to replace the old inefficient boilers. The piping was rearranged and a hot water boiler economizer preheater added to make efficiency better. New controls were added for remote monitoring and control and to improve efficiency. Lastly, the entire plant got a makeover to make things more reliable, efficient, and modern. (more…)
HVAC Tip - Ceiling Fans Save Energy: Ceiling fans installed strategically in your home or business can save you in air conditioning energy costs in the summer. The draft effect from the fan will allow you to raise the thermostat setting by up to 4 degrees and still remain comfortable. Make sure you purchase ceiling fans with energy efficient motors and blade designs. Some ceiling fans have inefficient motors and bad blade designs that will reduce the energy savings you can realize. A qualified electrician can install ceiling fans in your home or business and you can enjoy the savings and compliment your HVAC system.
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Air Handler Equipment DDC Controllers – These controllers will control an air handler once the wiring is completed. The panel is freshly mounted and waiting for the technician to run the piping and pull the wire from the control points. Other points, such as outside air, temperature sensors in piping or ductwork, flow meters, actuators, or other control points can be terminated to these controllers and the data collected from those input points can be networked over the entire building automation system through the communication trunks. 
DDC Automated Logic M-Stack - This Automated Logic M-Stack provides a control for multiple pieces of HVAC equipment and integrates network communication all in one single stack. This direct digital control system is integrated with pneumatic controls. DDC allows automated HVAC control processes to take place and adds higher efficiency to an HVAC system. 
HVAC Control Transformer Bank - This bank of transformers is being used to power several 
Belimo Actuators Automatic Valve Control - Many processes or actions in HVAC are made more efficient by having them automatically controlled by the control system. This enhancement of efficiency is possible by using Belimo actuator valve control. The Belimo automatic HVAC valve control is made possible with DDC and modulating electric Belimo actuators. 
