3.10 Optional features
• Discharge air temperature sensor to prevent overheating or cooling of the air stream.
• Outside air temperature sensor for automatic temperature adjustment or economizer
action.
• Free-cooling temperature sensor for water cooled systems.
• Hot gas bypass either by solenoid or by modulating electronic valve.
• Redundant system operation of two or more units with automatic crossover and
compensation.
• Networking to a central command computer, or to an existing building automation system.
The System 2500 is truly one of the most powerful and flexible controllers available for HVAC
units today.
4.0 CONFIGURATION
The display unit is pre-configured at the factory for the most common user requirements. Some
settings can be changed to adapt to the user’s specific needs.
4.1 Software version
Software version: During boot-up, the splash screen is shown briefly with a quick summary of the
loaded operation system along with software, boot, and O/S version. The about screen can also
be accessed via the menu. Version number is needed prior to contacting the factory for technical
support.
Figure 2 Software information
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