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4 RT-PRC031-EN
Standard Features
• 16000-45000 CFM (Casings A, B,
C) industrial/ commercial
Rooftop Air Handlers
• ASHRAE 90.1 - 2010 Efficiency
Compliant
• IBC (International Building Code)
Seismic compliance
• UL and CSA approval on
standard options
Controls
• Fully integrated, factory
installed/commissioned
microelectronic controls
• Unit mounted Human Interface
Panel with a 2 line x 40 character
English display and a 16 function
keypad that includes Custom,
Diagnostics, and Service Test
mode menu keys.
• CV or VAV control
• Daytime Warm-up (Occupied
mode) on VAV models and
Morning Warm-up operation on
all units with heating options
• Freeze Stat coil frost protection
on chilled water coil
• Supply air static over-
pressurization protection on
units with inlet guide vanes and
VFD's.
• Supply airflow proving
• Exhaust/return airflow proving
on units with exhaust or return
fan options
• Supply air tempering control
• Supply air heating control on
VAV units with heat: modulating
gas, electric, steam and hot
water
• Emergency stop input
• Mappable sensors and setpoint
sources
• Occupied/Unoccupied switching
• Timed override activation
Cabinet
• Solid double wall construction
with foam injected insulation
• Single point latching, hinged
access doors on control panel,
filter, supply and exhaust/return
fan section as well as gas heat
section
• Flexible downflow and
horizontal discharge/return
paths
• Double sloped galvanized drain
pans
• Extended casing, cooling only
models
• Pitched roof
• Heavy-gauge, continuous
construction base rails
• Meets salt spray testing in
accordance to ASTM B117
Standard
Figure 1. Solid Double Wall
Figure 2. Latching Access Door
Mechanical
• Airfoil supply fan—standard
CFM
• Stainless steel flue stack on gas
heat units
• Two-inch spring fan isolation
standard
• Two-inch high efficiency
throwaway filters Optional
Features
Figure 3. Spring Isolation
Features and Benefits