Intended audience and assumed knowledge 13
INTENDED AUDIENCE AND ASSUMED KNOWLEDGE
• Staging control, PID Tuning, DAT Lockout, Modulating control
• System Switch and Ventilation options.
• Integration with a variety of external wired sensor types including: Discharge air, Drain
pan, occupancy, Proof or airflow, Space temp, CO2, and Humidity.
• Complies with ASHRAE guideline 36-2021, Section 5.22 sequence of operations for high-
performance operation when using floating/modulating valves and multi-speed/variable
speed fan.
Intended audience and assumed knowledge
This document provides information about installing and commissioning a TC300
Thermostat. It also shows how to operate the user interface.
It is assumed that the user is trained and familiar with HVAC concepts.
IMPORTANT: Always install equipment in accordance with the National Electric
Code and in a manner acceptable to the local authority having jurisdiction (AHJ). No
guidelines, instructions, installation practices, or other information presented in this
guide may be interpreted to supersede or modify the local codes and practices of the
AHJ.
Reference documents
• TC300 Commercial Thermostat Datasheet (31-00645)
• TC300 Commercial Thermostat Mounting & Installation instructions (31-00642)
• TC300 Commercial Thermostat Pocket guide (31-00648)
• TC300 Deco Plate Pocket guide (31-00657)
• TC300 BACnet Integration guide (31-00646)
• TC300 Modbus Integration guide (31-00670)
Abbreviation and nomenclature
Abbreviation Definition
AHU Air Handling Unit
RTU Roof Top Unit
VAC Volts AC (Alternating Current)
VDC/ DC Volts DC (Direct Current)
OTW Over-The-Wire
BMS Building Management System
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