ASHRAE Journal - July 2021 - 84

Data Center Systems
Petra Computer Room Air Handling unit (CRAH) is a chilled water
precision cooling system, designed for Data Center applications,
to handle high heat loads generated by servers and electronic
equipment.
The unit is a high performance, energy saving machine with
reliable control of space temperature, humidity and airflow,
to meet the requirements of data center operations. Multiple
CRAH units can be connected to the central water chiller of the
building, for lower installation costs and year round operation.
Highlights
Different Capacity Steps Up to 60,000 CFM
Energy Saving
Easy Installation and Reliable Operation
Precision Air Conditioning and Humidity Control
Flexibility in Air Flow Configuration
High efficiency/Energy Saving EC Supply Fans (No VFD's and Less Weight)
Flexible and Advanced Control Systems, with BMS Communication,
for Precision Cooling and Humidity
No Metal Through Panels and Access Doors
Optional Valve Package - Circuit Setter (Balancing Valve), Water Strainer and
Water Flow Control Valve including EPIV (Electronic Pressure Independent Valve)
Optional Automatic Transfer Switch for Utility/Generator Switchover
PETRA OFFERS A WIDE RANGE OF HVAC PRODUCTS TO M
For more details and inform
" These marks/certifications apply t

ASHRAE Journal - July 2021

Table of Contents for the Digital Edition of ASHRAE Journal - July 2021

Contents
ASHRAE Journal - July 2021 - Intro
ASHRAE Journal - July 2021 - Cover1
ASHRAE Journal - July 2021 - Cover2
ASHRAE Journal - July 2021 - 1
ASHRAE Journal - July 2021 - Contents
ASHRAE Journal - July 2021 - 3
ASHRAE Journal - July 2021 - 4
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ASHRAE Journal - July 2021 - Cover3
ASHRAE Journal - July 2021 - Cover4
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