HVAC Basics
HVAC
What is Heating Ventilation and Air Conditioning?
Binary control device
What is a relay?
Packaged HVAC unit with only one rate of flow
What is a Constant Volume unit?
The target value for any controlled variable
What is the setpoint?
Key Axioms
What are Open Standards, Scalability and Best Practices?
The core of building controls
What are HVAC and Lighting?
Analog control signal
What are 0-10v or 4-20 mA?
VAV
What is Variable Air Volume?
The space in between two control points
what is deadband?
Our Central Profiles
What are DAB, VAV and Default System (gateway)?
Moisture content in the air
What is Relative Humidity?
3 control signal types
What are Binary, Analog and Communication Protocols?
5 types of equipment served by a boiler
What are fan coil units, air handlers, water source heat pumps, VAV reheaters, and radiators?
A separate off point as compared to your setpoint
What is Hysteresis
Open source data tagging standard for IoT
What is Project Haystack?
12,000 BTU / Hour
What is one ton of refrigeration?
A sequence of discrete values
What is a communication protocol?
2 Types of equipment served by a chiller
What are air handlers and fan coil units?
Control type for single-stage equipment
What is binary control?
Haystack Entities
What are Site, Equip and Point?
Mediums that move heat
What are Air, Water and Refrigerants?
Signal type factors
6 basic components of a RTU
What are Outside Air, Return Air, filters, heating coil, cooling coil and fan
A fixed value the system will drift to when not occupied
What is a static setback?
75F Building Hierarchy
What are Site/Building, System/CCU, Zone/Room, and Module/Equip?