Answer :
Final answer:
The zone 1 (master) thermostat in a basic zone control system controls the operation of all zone dampers and dictates the working mode of the heating or cooling equipment. It also manages the on and off cycling of the HVAC unit to maintain desired temperatures. The key purpose is to manage airflow and comfort across different zones of a building.
Explanation:
Purpose of the Zone 1 (Master) Thermostat
In a basic zone control system, the zone 1 (master) thermostat plays a crucial role in managing the heating and cooling operations of the entire system.
Functions of the Zone 1 Thermostat
- Zone Dampers Control: The master thermostat can control the operation of all zone dampers, directing airflow to different areas of a building based on temperature needs.
- Operational Mode Determination: It also determines the operational mode of equipment, indicating whether heating or cooling is required based on the temperature setpoint.
- On/Off Cycling: The thermostat regulates the cycling of the entire unit by determining when the system should turn on or off to maintain desired temperatures.
The correct answer is OA: The zone 1 thermostat controls the operation of all zone dampers.
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