Packaged Rooftop Air Handling Unit

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Free up white space with an outdoor mounted cooling solution

STULZ CyberPack provides a self-contained, DX air-cooled rooftop system, designed specifically for continuous operation in a mission critical environment. 

Data Center
Data Center
Our units are designed for highest requirements and maximum reliability
Small, medium & large rooms
Small, medium & large rooms
Precision air conditioning units for low to high heat loads
Free Cooling
Free Cooling
Maximum potential savings by using cool outside air
Optimized for air conditioning particularly large data centers

Product Overview

At a glance
  • Up to two independently cooled circuits with highly reliable scroll compressors
  • Functional operations:  cooling, dehumidification and filtration
  • Easy upgrade from comfort cooling units not designed for data center operation
  • State of the art E2 Microprocessor with a range of MBS interface options 
  • 100% Air-Side Economizer option to achieve lower OPEX
  • Functional operations: cooling, dehumidification and filtration
  • Environmentally friendly R410A refrigerant
  • EC (Electronically Commutated) Fans offer considerable energy cost savings and long life
  • -30°F to 115°F ambient operation (with optional flooded head pressure control)
  • Fan speed is continuously adjustable via the system controller without the use of VFD's
  • 4" thick, MERV 8-15 cartridge air filters
  • Designed and manufactured in the USA
  • Robust aluminum cabinet construction for long term operation
  • Highly efficient scroll compressor technology with multi-circuit and staged configurations
  • Various voltages available in 50/60 Hz designs
Technical Data

Capacity data based on 80.0°F (26.7°C)db / 67.0°F(19.4°C) wb – For Reference Only – Built designs are driven by customer specification.


STULZ E² Microprocessor Controller

STULZ E² Microprocessor Controller

STULZ E² Microprocessor Controller

  • Designed specifically for precision control of mission critical environments
  • Multiple I/O capabilities for all major components to optimize control for energy savings
  • Supports universal BMS interface for remote monitoring (address readable) and remote control (address writable)
  • Capable of network controllers in a workgroup (pLAN) to work as one (no BMS required)
  • Pre-engineered controls for economizers and adiabatic cooling
STULZ E² Controller Benefits

STULZ E² Benefits

  • Backlit LCD alphanumeric display for visual indication
  • Operated via 6-key menus, in five different modes
  • Unit functions for cooling, heating, humidifying and dehumidifying
  • Three levels of restricted entry into the configuration
  • Sensor inputs control inputs/outputs
  • Additional I/O sensors and alarms
  • Optionals UPS backup module 
  • Independent EC Fan and cooling control (CW valve or DX)
  • Cooling control sequence: return air temperature, humidity, supply air temperature, dew point
  • Fan control sequence: BMS, local/static pressure, and temperature based (supply or return air)
  • Capable of networking up to eight EControllers with an independent LAN
  • Psychrometric control provided as a user configurable temperature and humidity (relative humidity) or dew point control
STULZ E² Controller communicates with BMS/BAS systems via the following protocols:

STULZ E² Controller communicates with BMS/BAS systems via the following protocols:

  • BACnet IP
  • BACnet over Ethernet
  • BACnet MS/TP
  • HTTP
  • SNMP V1, V2c
  • Modbus IP
  • Modbus RTU


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Do you have any questions? We will be happy to help! Please call us or follow our contact form.

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