Environmental Controls
Irides Data Center use specially designed environmental systems that
regulate temperature
and humidity in the data center at all times. The Heating
and Cooling system installed at
IRIDES is designed to provide environmental control
to the server farm and other critical
areas with a [N+1] redundancy.
The following applies to our Arlington Data Center
Chiller System: The chiller system consists of one 726-ton & one
600-ton centrifugal
chillers manufactured by Trane; one variable-speed
drive unit and two solid-state starter
units. Each chiller in the system can act as a lead,
lag, or standby chiller at any time,
providing for N+1 redundancy.
Cooling
Towers: Irides has a 400-ton tower cells plus one
600 ton tower cell that
supplies N+1 redundancy to the condenser system. The
cooling towers are designed with an automatic water treatment system
to maintain the quality of the water at all times.
Liebert & Trane
System: The Irides data center is cooled
by a 30-ton down-flow Liebert
unit, and a 30-ton Trane unit. Each unit can be independently
operated to provide cooling
against variable and evolving load conditions, while
maintaining N+1 redundant cooling
to the data center.
Chilled
Water Loop: The chilled water system has two separate
pumping systems, a
primary and a secondary pump for redundancy. The chilled
water loop feeds the Liebert
and Trane units, fan coil units and the air handlers
in the data center.
Monitoring
System: Irides utilizes Siemens Apogee Insight
Control System for real
time monitoring, as well as the command and control
of every aspect of our facilities
system network. The Apogee Insight Control System provides
for a fully automatic
control over the system, gathering data such as outdoor
air temperature, indoor air
temperature and quality measured separately from over
200 sensors, water temperature
coming from and going to the cooling towers, chillers,
and air handlers, water pressure,
and the flow of water through the pumps, and uses this
data to adjust the system as
needed to maintain predetermined set points.