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246646-YTG-C-0606
Unitary Products Group 5
FACTORY INSTALLED OPTIONS
YORK
®
offers several equipment options factory installed, for
the Predator
®
line.
• Optional Factory Installed Economizers - Predator units
offer a variety of optional factory installed economizers with
low leak dampers. The outdoor air enthalpy sensor enables
economizer operation if the outdoor enthalpy is less than
the setpoint of the economizer logic module. See Table 41
to determine the correct economizer for your application.
• Downflow Economizer - (With barometric relief) -
The economizer is provided with a single enthalpy
input. The economizer is 2% low leakage type, and is
shipped installed and wired. The installer needs only
to assemble and mount the outdoor air hood (Pro-
vided). The economizer has spring return, fully modu-
lating damper actuators and is capable of introducing
up to 100% outdoor air. As the outdoor air intake
dampers open, the return air dampers close. The
changeover from mechanical refrigeration to econo-
mizer operation is regulated by the standard single
enthalpy input. There is an optional input dual dry
bulb available. To meet regulated air standards, the
economizer control accepts an optional CO
2
input for
demand ventilation. With single enthalpy input, the
economizer control monitors outdoor air. The dual
enthalpy kit provides a second input used to monitor
the return air. With a dual input kit installed, the econ-
omizer control compares the values of the two
enthalpy or temperature inputs and positions the
dampers to provide the maximum efficiency possible.
• Horizontal Economizer - (Without barometric
relief) - All features of the downflow economizer
exist except you must order the duct mount baro-
metric relief separately. You must order a 1EH0408
if you are installing a power exhaust. You can
order a 1RD0411 Barometric Relief for horizontal
flow economizers only.
• BAS Ready Economizer -(With barometric relief) -
The economizer is provided with a Belimo actuator
that requires a 0-10V DC input from an external
source (i.e., field installed building automation system
controller). Power exhaust options are available. The
economizer is 2% low leakage type with spring return
and fully modulating dampers capable of introducing
up to 100% outside air. Also include 2” pleated filters.
• Slab Economizer for Energy Recovery Ventilators-
(With barometric relief and Fresh Air Hood) - The
economizer is provided with a single enthalpy input.
The economizer is 2% low leakage type, and is
shipped installed and wired. The economizer has
spring return, fully modulating damper actuators and is
capable of introducing up to 100% outdoor air. As the
outdoor air intake dampers open, the return air damp-
ers close. The changeover from mechanical refrigera-
tion to economizer operation is regulated by the
standard single enthalpy input. There is an optional
input dual dry bulb available. To meet regulated air
standards, the economizer control accepts an optional
CO
2
input for demand ventilation.With single enthalpy
input, the economizer control monitors outdoor air. The
dual enthalpy kit provides a second input used to mon-
itor the return air. With a dual input kit installed, the
economizer control compares the values of the two
enthalpy or temperature inputs and positions the
dampers to provide the maximum efficiency possible.
• Power Exhaust (Downflow only) - This accessory
installs in the unit with a down flow economizer.
• Motorized Outdoor Air Damper - The motorized out-
door air damper includes a slide-in/plug-in damper
assembly with an outdoor air hood and filters. The out-
door air dampers open to the preset position when the
indoor fan motor is energized. The damper has a range
of 0% to 100% outdoor air entry. Factory installed option
or field installed accessory.
• Alternate Indoor Blower Motor - For applications with
high static restrictions, units are offered with optional
indoor motors that provide higher static output and/or
higher airflow, depending upon the installer’s needs.
• Aluminized Steel Gas Heat Exchanger - For applica-
tions in non-corrosive environments.
• Stainless Steel Gas Heat Exchanger - For applications
in corrosive environments, this option provides a full
stainless steel heat exchanger assembly.
• Stainless Steel Drain Pan - An optional rust-proof stain-
less steel drain pan is available to provide years of trou-
ble-free operation in corrosive environments.
• Electric Heaters - The electric heaters range from 9kW
to 54kW and are available in all the voltage options of the
base units. All heaters are dual staged. All heaters are
intended for single point power supply.
• Disconnect Switch - For gas heat units and cooling
units with electric heat, a HACR breaker sized to the unit
is provided. For cooling only units, a switch sized to the
largest electric heat available for the particular unit is
provided. Factory installed option only.
• Convenience Outlet - (Non-Powered/Powered) - This
option locates a 120V single-phase GFCI outlet with
cover, on the corner of the unit housing adjacent to the
compressors. The “Non-powered” option requires the
installer to provide the 120V single-phase power source
and wiring. The “Powered” option is powered by a step-
down transformer in the unit. Factory installed option only.
• Smoke Detectors - The smoke detectors stop operation
of the unit by interrupting power to the control board if
smoke is detected within the air compartment. Available
for both the supply and/or return air.
Factory installed smoke detectors in the return air,
may be subjected to freezing temperatures during
"off" times due to out side air infiltration. These
smoke detectors have an operational limit of 32 °F
to 131°F. Smoke detectors installed in areas that
could be out side those limitations will have to be
moved to prevent having false alarms.