White Paper

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White Paper | June 2017

In a typical office building, HVAC, lighting, and shades are all separate systems,

each with its own controls. But that approach has many disadvantages, hurting the

aesthetic appeal of space, adding cost, and increasing complexity. Having a single

infrastructure and system to control those three systems brings benefits to key

stakeholders in the design, construction, and management of buildings such as

offices, healthcare facilities, or educational facilities: architects, general

contractors, consultants, and building owners. Those benefits begin during the

design phase, extend through the installation of the system, and continue

throughout the life of the building.

In the past, the only option for getting controls for those three systems to work

together was field integration. Today, however, there’s a better option: a single

infrastructure and system that controls all three elements. Desigo Total Room

Automation from Siemens delivers control of HVAC, lighting, and shading from a

single system, with a single device on the wall.

Easier, Less Costly Installation

A single system for controlling HVAC, lights, and shades brings significant bottom-line

benefits to general contractors and building owners. Installing three different control

systems takes more time and raises costs. In fact, during the construction phase, the

standard approach triples installation costs when compared to one controls system for

all three, according to Brian Antonsen, director of major construction at McKinstry, a

full-service design, build, operate, and maintain firm. “It just costs more because

you’re running three times as many wires,” Antonsen explains.

These savings are significant to both general contractors and building owners. But that’s

not the only benefit to a single control system. Having a single product to control the

usa.siemens.com/buildingtechnologies

A white paper issued by: Siemens

Single Control,

Multiple Benefits

Integral, automated room controls

for HVAC, lights, and shades bring

gains to general contractors,

architects, and building owners

Summary of content (4 pages)

PAGE 1
Single Control, Multiple Benefits Integral, automated room controls for HVAC, lights, and shades bring gains to general contractors, architects, and building owners White Paper | June 2017 In a typical office building, HVAC, lighting, and shades are all separate systems, each with its own controls. But that approach has many disadvantages, hurting the aesthetic appeal of space, adding cost, and increasing complexity.
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White Paper | June 2017 three systems also simplifies life for general contractors. Separate controls usually mean three different vendors. When all three are controlled by a common system and infrastructure, the general contractor has only one controls vendor to manage — one throat to choke, as the saying goes. Antonsen also notes that separate controls make it more difficult “to get a holistic view of the system,” so commissioning one device that controls multiple room functions may be easier. manner.
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White Paper | June 2017 Making It Easier for Occupants to Save Energy Research studies have suggested that occupants can play a significant role in saving energy. For example, a recent Munich study found that involving European occupants can produce energy savings of up to 25 percent. Another study by researchers from Lawrence Berkeley National Laboratory in tandem with Taiwan’s Industrial Technology Research Institute modeled occupant behavior in the United States.
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White Paper | June 2017 location. For example, room data is displayed graphically in the Desigo CC user interface. vendors’] HVAC, lighting, and shading controls to work together is getting really close. But it’s not streamlined or efficient.” Total Room Automation components include various room controllers. The Desigo DXR is a compact room controller with preprogrammed standard applications, making it easy to install and commission.