6 InRow™ Chilled Water Air Conditioners Technical Specifications 990-4618A-001
Standard Features and Options
Standard features
Insulated side panels The frame is constructed of 16 gauge formed steel for maximum
strength. Cabinet is serviceable from the front and rear. All exterior
panels and corner posts on the frame are powder coated for
durability and an attractive finish. Front and rear exterior panels are
constructed of 18 gauge perforated steel with 69.5% open free area.
Insulation is 80.1 kg/m
3
(5 lb/ft
3
)
density and complies with ASTM
E84 rating of 25/50. All panels, which include a key latch for
safety and security, allow easy access and removal.
Variable speed fans Each unit is equipped with variable speed fans. In order to provide
uniform airflow over the cooling coil, the fans provide a draw-
through air pattern. Quiet, low maintenance, and producing very
low vibration, fans are controlled through a signal from the
microprocessor controller that constantly adjusts airflow to match
the heat load in the Data Center without need for VFD (Variable
Fixed Drive). In the ACRC100 series, the fans are easily
replaceable while the unit is in operation.
Shutdown input/alarm output The unit provides one field connection input for remote shutdown
and one field connection for an alarm output.
Chilled water flow meter A flow meter is tied into the microprocessor controller to display
chilled water flow rate of the unit.
2-way/3-way valve A fully modulating valve is microprocessor-controlled to regulate
the amount of chilled water into the cooling coil to maintain
optimal cooling conditions. The standard valve pressure rating is
4136.8 kPa (600 PSI). The valve is user configurable to be two-
way or three-way
Power supply
(ACRC100 series only)
The unit includes two power supplies, each capable of running the
unit at 70% capacity in the event of a single power supply failure.
Primary/secondary power feeds The system features two power feeds. This allows a level of system
fault tolerance and uninterruptible cooling to exist. Each feed
powers 100% of the unit.
Cross circuited cooling coil Designed for high sensible heat ratios, the coil is constructed with
copper tubes, aluminum fins, and galvanized steel end plates.
Washable filter
(ACRC100 series only)
The filtration of conditioned air is extremely vital to maintaining
the clean, particle-free environment required by electrical
equipment. The system uses a <20% efficiency ASHRAE 52.1,
12.7 mm (1/2 in) washable, deep loading, large dust-holding filter
that meets HF-1 standards for electronics (MERV 1 per ASHRAE
52.2).
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