5 PB
INTRODUCTION
The Friedrich VRP® is a variable capacity system that utilizes Precision Inverter® technology to provide optimal space
conditions.
While each VRP unit has a nominal capacity of 7,000, 12,000, 24,000, or 36,000 Btus, every unit has the ability to adjust Btu
output based on the actual room load. This equates to:
• Greater in-room dehumidication from longer compressor run time
• Lower energy costs by consuming less power
• Greater occupant comfort due to smaller swings in room temperature and humidity
The VRP accomplishes this by constantly monitoring various system and environmental inputs to vary the output of the unit.
The ability to vary compressor and blower speeds and the use of reheat coil enables the VRP to provide optimal comfort.
With up to 20.0 SEER and 10.0 HSPF, the VRP provides a highly efcient solution. Further, the Precision Inverter technology
allows the heat pump to operate at ambient conditions as low as 0˚F reducing the use of strip heat. This results in signicant
savings in operational costs.
An optional integrated FreshAireTM system delivers conditioned fresh air into the space. The fresh air is ltered through
a MERV 8 lter and is then conditioned through the unit’s primary DX coils backed by a reheat coil that augments the
unit’s dehumidication capability. This integrated fresh air solution provides the ability to potentially downsize or eliminate
additional make up air and humidity control equipment.
Friedrich’s wall controller is the main interface between conditioned space and the unit. The controller has seven back‑lit
segment displays that indicate the system mode (cool, heat, fan only), fan speed (low, high or auto), set point (°F or °C) or
alternatively room temperature (°F or °C).
The controller has an integrated temperature and humidity sensor that sends room status to the main control unit (MCU) to
determine operating modes and speeds of various components.
The wall controller also contains a motion sensor that wakes the wall controller from a sleep mode when not in use. This
energy saving feature eliminates annoying glow from the controller and the need to turn on lights at night to operate it.
The unitary packaged design means easier installation or replacement. Because the VRP is a packaged unit, it is installed
as a completely assembled refrigeration system. Unlike VRF or chilled water systems that require on‑site wiring, piping and
sealing of individual components, VRP units are assembled, charged and run tested under strict quality control guidelines
in Friedrich’s North American factory. Additionally, there is no need to locate the cooling tower or condensing units on the
ground or rooftops where green spaces can exist instead.
In sum, The Friedrich VRP offers a signicant value to all parties involved in the design and construction of a new building.
Because of the simpler and more straightforward nature of the packaged design, and the ability t o potentially downsize or
eliminate additional make up air and humidity control equipment, the VRP reduces much of the headache and complexity
facing the design engineer. Because the VRP is easy to install, with no complicated oor-to-oor piping and wiring involved,
the contractor can be condent of a high-quality installation and get on and off the job more quickly. And nally, the owner
gets the efciency and performance of larger, more complex and costly equipment, with a lower overall installed cost; and
he/she virtually eliminates the potential safety and service issues associated with systems that rely on thousands of feet of
refrigerant or water piping running throughout the building, including occupied spaces.
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