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Course Outline
Day One
Welcome and Student Introductions
Introduction to HVAC
- The need for HVAC
- References, standards and codes
- Terms, definitions, and equipment
- HVAC system type overview
- Ventilation and indoor air quality
- Energy efficiency and loads
Psychrometrics
- Properties of moist air
- Psychrometric chart
- Sensible and latent
- Combined processes
- Mixing of air streams
Day Two
Refrigeration in HVAC
- Phase change and refrigerants
- Vapor compression cycle
- Chilled water vs. D/X cooling
Hydronic Systems
- Definition of "hydronics"
- Comparison to air systems
- Types of hydronic systems
- Heating hot water
- Chilled water
- Condenser water
- Tower
- Geo-exchange
- Glycol water
- Types of central equipment
- Boilers
- Chillers
- Cooling towers / Fluid coolers
- Pumps
- Heat Exchangers
- Types of terminal equipment
- Coils
- Unit heaters
- Fan coil units
- Chilled beams
- Radiant
All-Air Systems
- Definition of "all air systems"
- Types of all supply and return air systems
- Recirculating / Mixed Air Systems
- Dedicated Outside Air (DOAS) Systems
- Overhead / Dilution Type
- Constant Volume (CAV)
- Variable Volume (VAV) - Single duct, dual duct, fan powered, etc.
- Displacement / UFAD Type
- Types of exhaust systems
- General – toilet, etc.
- Laboratory, process, or other specialty systems
- Types of central equipment
- Packaged / Unitary systems: PTAC, rooftop, etc.
- Split systems: air conditioners, heat pumps, variable refrigerant flow
- Air handling units
- Fans
- Types of terminal equipment
- Air Terminal Units / VAV Boxes
- Grilles, Registers, & Diffusers
Day Three
Steam and Steam Condensate
- Definition of "steam"
- Comparison to air and hydronic systems
- ASME codes / Safety
- Types of steam and condensate systems
- Low pressure
- High pressure
- Condensate collection
- Gravity return
- Pumped return
- Vacuum
- Types of central equipment
- Boilers
- Heat exchangers
- Make-up water systems
- Types of terminal equipment
- Coils
- Humidifiers
- Unit Heaters
- Fan Coil Units
- Radiators
Tour of Mechanical Rooms
- Wisconsin Energy Institute (WEI)
Controls: Building Automation Systems
- Definition / Purpose of "Building Automation System" (BAS)
- Types of HVAC control systems
- Local
- Centralized (building-wide)
- Pneumatic
- Direct Digital Control
- Pneumatic - hybrid
- Programmable Logic Control (PLC)
- Type of control equipment
- Valves
- Dampers
- Actuators
- Sensors & Thermostats
- Types of controls
- Proportional / modulating control concepts
- Open / closed loop control
- Wisconsin Energy Institute
- Controls drawings
- Sequence of operations