can be reviewed at any time. Alarms and programmed values are retained through the loss of power.
•Reliable - From the beginning - All units undergo computer automated testing before they leave the factory. Units are tested for refrigerant charge and pressure, unit amperage, and 100% functionality. For the long term - All units are painted with a long lasting, powder paint that stands up over the life of the unit. The paint used has been proven by a 1000 hour salt spray test.
•Full Perimeter Base Rails - The permanently attached base rails provide a solid foundation for the entire unit and protect the unit during shipment. The rails offer rigging holes so that an overhead crane can be used to place the units on a roof.
•Easy Installation - Gas and electric utility knockouts are supplied in the unit underside as well as the side of the unit. Utility connections can be made quickly and with a minimum amount of field labor. All units are shipped with 2"
•Wide Range of Indoor Airflows - All supply air blowers are equipped with a belt drive that can be adjusted to meet the exact requirements of the job. A high static drive option is available for applications with a higher CFM and/ or static pressure requirement.
•Warranty - All models include a
Factory Installed Options
YORK® offers several equipment options factory installed, for the ZJ/ZR/ZF Series.
•Single Input Electronic Enthalpy Economizers - Includes a
The enthalpy system contains one sensor that monitors the outdoor air and determines when the air is cool enough and dry enough to provide free cooling.
The rainhood is painted to match the basic unit and must be
•
Actuator requires
For units with optional VAV or Simplicity® Intelli- Comfort™ control, a
streams are available for single enthalpy and differential enthalpy configurations, respectively).
The rainhood is painted to match the basic unit and must be
•Power Exhaust - Our economizer options are available with power exhaust. Whenever the outdoor air intake dampers are opened for free cooling, the exhaust fan will be energized to prevent the conditioned space from being
The exhaust fan, motor and controls are installed and wired at the factory. The rain hood must be assembled and installed in the field.
The power exhaust option can only be used on bottom duct configurations.
•Motorized Outdoor Air Intake Damper - Includes a
•Barometric Relief Damper - This damper option can be used to relieve internal building air pressure on units with an economizer without power exhaust. This accessory includes a rain hood, a bird screen and a fully assembled damper. With bottom duct connections, the damper should be mounted over the opening in the return air panel. With horizontal ductwork, the accessory should be mounted on the return air duct.
•Phenolic Coated Evaporator And Condenser Coils - Special coating process that utilizes Technicoat
•Electric Heaters - wired for single point power supply. These nickel chromium heater elements are provided with limit and automatic reset capability to prevent operation at excessive temperatures.
•Variable Air Volume (VAV) - A
An optional,
Due to space limitations, VAV is not available with any of the
6 | Johnson Controls Unitary Products |