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STANDARD FEATURES
Construction
• Modular design facilitates retrofit
• Galvanized steel cabinet
construction
• 1" thick fiberglass insulation,
glued and pinned in place
• Gasketed, removable access
panels sized for easy handling
• Left and right hand arrangement
• Access panels on all sections
Fan Assembly
• Single forward-curved fan sec-
tions
• Statically and dynamically
balanced
• Solid steel shafting
• Ball bearings with a minimum
design average life (L
50
) of
100,000 hours
• Fan decks with internal vibration
isolation
Fan Motor and Drive
• Single speed ODP motors
• 1750 RPM single speed, 60 Hertz
• Single phase motors with
inherent thermal protection
• Three phase motors
• Standard cross section "V-belt"
drive with 1.2 service factor
• Adjustable pitch motor pulley
and fixed pitch blower pulley
Coils
• 1/2" O.D. seamless copper tubes
• G90 steel coil casings
• Collared aluminum fins
• Manual air vent plug on all water
coils
• 300 PSIG Working Pressure at
200°F
• Copper ODM sweat connections
• 0.016" tube wall on water and
evaporator coils
• 0.025" tube wall on steam coils
Filters and Filter Rack
• Hinged side access flat filter rack
• 2" pleated filters (30%)
Electrical
• Fan motor wired and terminated
to junction box
• All units cETL listed in compliance
with UL/ANSI 1995
Electric Heat Section
• Draw Thru or Blow Thru
configurations
• Factory mounted electric heater
with single point power connec-
tion, ETL listed as an assembly
OPTIONAL FEATURES
Construction
• Double wall (solid or perforated)
cabinets
• Stainless steel IAQ drain pan with
stainless steel male pipe threaded
connection
• Fan discharge arrangements
• Scrim reinforced foil faced
insulation
• Hinged access panels with lift and
turn fasteners
• 4" Base rails with rigging slots
factory assembled and installed
Fan Motor and Drive
• Direct drive plug fans with inter-
nal rubber-in-shear (RIS) isolation
• TEFC motors
• High efficiency motors
• Two-speed motors with contactors
• Variable frequency drives, factory
installed (mounted and wired)
• Motor starter (contactor with
overload for three phase; contac-
tor for single phase), factory
installed (mounted and wired)
• Return FC and plug fan sections
Coils
• 3, 4, 6 and 8 row chilled water or
R22 DX coils
• Up to 4 rows hot water or up to
2 rows standard steam
• Heating coil in preheat or reheat
position
• Coil connections opposite
handing
• Stainless steel coil casings
• 0.025" tube wall thickness
• Auto air vents
Filters and Filter Rack
• 4" high efficiency pleated filters
(65, 85, and 95%)
• Mixing box with filter sections
(flat or v-bank filter
arrangements)
Inlet Damper Section
• Factory assembled and installed
• Heavy gauge galvanized steel
formed blade dampers
• Low leak dampers with extruded
vinyl blade seals and flexible
metal jamb seals
• Medium and large inlet plenums
with v-bank or flat filters
• Parallel blade operation
• Interconnecting damper linkage
• Damper actuator (modulating
from 100% OA to 100% RA)
Additional Modules
• Face and bypass with medium
and small coils
• Economizer sections
• Discharge plenums
• Access sections
• High efficiency filter sections
Electrical
• Motor wiring in conduit
• Single phase fan control package
• Three phase fan control package
• Door interlocking disconnect
switch (non-fused or fused)
• Fusing (main or per stage)
• Hand off auto switch (HOA)
• Frequency inverters
• Electric heat interlock relay
• Relays, transformers, etc.
MQL • STANDARD & OPTIONAL FEATURES
Printed on recycled paper
Catalog: ET102.19-EG1 (810) Supersedes Catalog: ET102.19-EG1 (410)
© 2010 Johnson Controls, Inc. P.O. Box 423, Milwaukee, WI 53201 Printed in USA
www.johnsoncontrols.com