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94 RT-PRC031-EN
A full range of factory installed
options are available, allowing for
the air handler design that best suits
each individual application.
Chilled Water Cooling
• ARI certified type 5W, W, or WD
coils provided with water
modulating valve and actuator.
Turbulators and various row, fin
series, and valve options are
available.
Cooling Only/Heating Casings
• Cooling Only—Extended casing
of solid double wall construction
with foam injected insulation
throughout the air handler.
• Electric Heat—Nickel-chromium
electric heating elements in
individually fused circuits of 48
amps or less and with all
necessary safeties. A full range
of sizing options is available.
• Natural Gas Heat-Two-Stage—
Two-pass stainless steel tubular
free floating heat exchanger has
industrial type burner and
combustion blower. Available
with high, medium and low fire
and UL and CSA approval.
• Natural Gas Heat-Full
Modulation—The heat
exchanger drum, tubes and front
and rear headers are
constructed of corrosion
resistant stainless steel.
Available with high, medium
and low fire and UL and CSA
approval.
• Steam Heat—ARI certified type
NS coil with non-freeze steam
distribution. Coils are pitched for
drainage and are provided with
steam modulating valve with
actuator. High and low heat
options are available.
• Hot Water Heat—ARI certified
type 5W coil mounted for
drainage and provided with hot
water modulating valve with
actuator. High and low heat
options are available.
Blank Sections
• Four Foot Blank Section—Solid
double wall construction with
foam injected insulation. The
blank section is located at the
airflow discharge. Single point
latching, hinged access doors
are located on either side of the
blank section. Final filter options
are available for cooling only
units.
• Eight Foot Blank Section—Solid
double wall construction with
foam injected insulation. The
blank section is located at the
airflow discharge. Single point
latching, hinged access doors
are located on either side of the
blank section. Final filter options
are available for all units.
Fan Options
• Standard CFM supply exhaust/
return fans—Available to meet
standard airflow application
needs.
• Low CFM exhaust fans—
Available to meet low leaving air
temperature requirements.
Power Supply
Air Handlers are available with 460
or 575 voltage, 3 phase 60 hertz
power supply.
Exhaust
• No Exhaust—Air Handlers can
be built for makeup air
applications with no exhaust.
Relief opening is sealed
watertight.
• 100 Percent Modulating Exhaust
Fan—A double width, double
inlet forward-curved fan can
exhaust up to 100 percent
supply air. The fan operates
when economizer damper is
open greater than minimum
position. Discharge dampers at
fan outlet modulate in response
to economizer damper position
on Constant Volume (CV) air
handlers.
• 100 Percent Modulating Exhaust
Fan with Statitrac™ Control—
For both CV and Variable Air
Volume (VAV) air handlers, the
100 percent modulating exhaust
discharge dampers are
modulated in response to
building pressure. A differential
pressure control system,
Statitrac, uses a differential
pressure transducer to compare
indoor building pressure to
atmospheric pressure. The FC
exhaust fan is turned on when
required to lower building static
pressure to setpoint. The
Statitrac control system then
modulates the discharge
dampers to control the building
pressure to within the
adjustable, specified deadband
that is set at the Human Interface
Panel.
• 100 Percent Modulating Exhaust
Fan with Statitrac Control and
Variable Frequency Drive—
Provided with all the necessary
controls to control/maintain
building space pressure through
a CV or VAV air handler. The
Variable Frequency Drive (VFD)
modulates the speed of the
exhaust fan motor in response
to building pressure. A
differential pressure control
system, Statitrac, uses a
differential pressure transducer
to compare indoor building
pressure to atmospheric
pressure. The 0-100%
modulating relief dampers
modulate in response to a signal
from the unit microprocessor,
based upon the space static
pressure, and causes the
damper to modulate open or
closed as required to maintain
the space pressure within the
deadband.
• 100 Percent Modulating Exhaust
Fan with Statitrac Control and
Variable Frequency Drive and
Bypass—Bypass control
provides full nominal airflow in
the event of drive failure.
Return
• 100 Percent Modulating Return
Fan—A single width plenum fan
with airfoil blade can relieve up
Options