Imagine a public building serving tens of thousands of people daily. Good air quality and fire safety are matters of high priority. If for instance a fire occurs in a public building, increasing safety during fire and evacuation is essential.

1. VACON CASE STUDY IMPROVING AIR QUALITY AND FIRE SAFETY
www.vacon.com1
Photo courtesy of STX Europe
IMPROVING AIR QUALITY AND
FIRE SAFETY
CLIENT NAME: Per Aarsleff A/S
SEGMENT: Building Automation
PRODUCTS USED: VACON®
100 X

2. VACON CASE STUDY IMPROVING AIR QUALITY AND FIRE SAFETY
www.vacon.com2
KEY FACTS OF CLIENT:
• Per Aarsleff A/S is a leading Danish contracting company.
Their expertise lies in problem solving, planning and
implementing large-scale projects for infrastructure, climate
change adaptation, the environment, energy etc. – from
design to handover.
• Aarsleff has a strong position in Denmark and the Baltic Sea
region, and they solve projects in most parts of the world.

3. VACON CASE STUDY IMPROVING AIR QUALITY AND FIRE SAFETY
www.vacon.com3
CHALLENGE:
• Imagine a public building serving tens of thousands of
people daily. Good air quality and fire safety are matters of
high priority. If for instance a fire occurs in a public building,
increasing safety during fire and evacuation is essential.

4. VACON CASE STUDY IMPROVING AIR QUALITY AND FIRE SAFETY
www.vacon.com4
SOLUTION:
• Recently, Per Aarsleff A/S selected the
VACON®
100 X drives to control fans in
one of their large-scale ventilation system
projects.
• Vacon’s fan application controls air
quality, including temperature.

5. VACON CASE STUDY IMPROVING AIR QUALITY AND FIRE SAFETY
www.vacon.com5
SOLUTION:
• The VACON®
100 X drives can improve safety by enabling the
fire mode incorporated in the drive. The drive overrides the
self-protection and motor protection diagnostics and
continues to operate to ensure that the smoke extraction fans
function, which significantly improves safety in the event of a
fire and during evacuation.
• This is a unique function that no other AC drive supplier
offers, and it was one of the main criteria for Per Aarsleff A/S
to select the VACON 100 X drives.

6. VACON CASE STUDY IMPROVING AIR QUALITY AND FIRE SAFETY
www.vacon.com6
SOLUTION:
• Another decisive factor was that the VACON®
100 X AC drive is
available in an IP66 (Type 4X) enclosure, which provides high-
level protection in any demanding environment, where cold or
heat, humidity, acids, diesel fumes and even vibration can
cause problems for electrical equipment.

7. VACON CASE STUDY IMPROVING AIR QUALITY AND FIRE SAFETY
www.vacon.com7
“Safety is a very important issue for us in all projects we deliver
all over the world, and we see the possibilities VACON®
AC drives
can provide in our projects. It is a great benefit that in the event
of a fire and during evacuation, the fans can be activated either
to remove the smoke or to bring fresh air into the building. We
are also very pleased with the good service and quick delivery
that Vacon has provided.”
Ole Petersen
Project Manager at Per Aarsleff A/S
FOR FULL STORY:
http://www.vacon.com/Vacon/media/References/Improving-air-quality-and-fire-safety/