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JOHNSON CONTROLS
FORM 100.50-NOM6 (1207)
1
AIR MANAGEMENT
• DWDI Airfoil fans – High effi ciency fans are
used to im prove ap pli ca tion fl exibility, and ad-
dress sound and ap pli ca tion con cerns.
• Building pressure control – Ex haust fans and
barometric relief dampers are available to meet
building pressure control requirements. Select
the most appropriate option for a given ap pli -
ca tion.
• Low sound options – Allow for application of
the eco2 unit in sound-sensitive applications
such as the aters and downtown areas. Contact
JOHNSON CONTROLS for more details on
site-specifi c requirements.
• Variable Frequency Drives – When a VAV unit
is or dered, the eco2 comes standard with vari able
fre quen cy drives (VFD’s). The VFD can optimize
a sys tems performance by modulating the sup ply
fan motor speed to reduce energy con sump tion
by as much as 40% while maximizing oc cu pant
comfort.
• Fan Spring Isolation – Two-inch spring iso la tion
is used to prevent vibration transmission from the
roof top unit’s supply fan to the building.
CONTROLS
• Rooftop Controller - The unit is designed to
use the Simplicity Elite control. This control
has been used with the 25 to 40 ton Millennium
product for many years. The control is designed
to operate with conventional room control input.
This allows the same control to be used on instal-
lations requiring 25 to 60 tons of cooling.
The board is equipped with four program but-
tons and two character displays for use by the
technician. They allow for access to the most
important board functions, current operating
data, and current alarms as well as the last fi ve
alarms in the history memory buffer. The buttons
and displays are also used to program the control
with the correct confi guration and set points.
The control can also be connected to a computer
for greater access to programming and operating
information.
• Communication -The controller is designed
to communicate using Modbus RTU protocol.
Through the addition of a ModLINC translator,
the unit can also communicate using BACnet
MS/TP protocol.
INDOOR AIR QUALITY
• Double Sloped Stainless Steel Drain Pan – The
eco
2
’s standard Stainless Steel drain pan meets
ASHRAE 62 requirements for condensate drain-
age to improve indoor air quality. Solid wall liners
encase insulation and prevent moisture dam age.
Additional benefi ts include easy cleanability and
isolates insulation from conditioned airstream.
• Double Wall Construction – Is the standard
con struc tion of the eco
2
and incorporates powder
coat ed pre-fabricated outer panels and corner post
for max i mum exterior surface protection.