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General| Brand | Siemens |
|---|---|
| Model | 125-1957 |
| Category | Controller |
| Language | English |
An overview of the Unit Vent Controller (TEC) and its role in unit ventilator applications.
Details the various analog and digital inputs used by the controller, such as temperature sensors.
Lists the analog and digital outputs provided by the controller for controlling actuators and equipment.
Instructions for correctly connecting the controller's power supply (24 Vac).
Explains the wiring connections for communication with the APOGEE field panel via FLN.
Explains the fundamental DDC technology and operational modes of the controller.
Describes Room, Heating, Cooling, Auxiliary, Mixed Air, and DX control loops.
Details the controller's behavior and shutdown sequence during sensor failures.
Heating and/or Chilled Water Cooling, ASHRAE Cycles I and II.
Heating and/or Chilled Water Cooling, ASHRAE Cycle III.
Heating and DX Cooling, ASHRAE Cycles I and II.
Heating and DX Cooling, ASHRAE Cycle III.
Heating and Cooling, Nesbitt Cycle W.
Slave Mode for equipment checkout and parameter setup.
Explains specific point descriptors, their addresses, and their relevance in applications.
Explains PID gains, biases, and setpoints for various control loops.
Provides essential safety guidelines and procedures for servicing the controller.
Explains the controller's safety features activated during power loss or sensor failure.
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