Construction & Electrical Materials Distribution: 011 - Central Heating
This module examines in detail the fixtures and fittings involved in central heating systems, and also provides an examination of the various systems available. The associated fixtures are diverse, from boilers to towel rails. This module will ensure that you feel confident when dealing with all areas of central heating.
Please find below the list of topics covered within this module.
Requirements
- The Environmental Considerations
- Thermal Comfort
- Heat Transfer
- Thermal Insulation
- Boiler Temperature Control
- Room Temperature Control
- Domestic Hot Water Control
- Time Clocks - Programmers
- Control of Simple Systems
- Control of Fully Pumped Systems
- Non-Electric Control Systems
- External Temperature Controls
- Choosing Controls
Wet Central Heating Systems
- Central Heating Basics
- Heating Pipework
- Domestic Hot Water
Sealed Systems
- How they Differ
- Temperature Control
- Advantages and Disadvantages of Sealed Systems
Design Considerations
- Insulation
- Ventilation/Heat Losses
- Temperature Calculations
- The Mears Calculator
Boilers
- Boiler Efficiency
- Solid Fuel Appliances
- Oil Boilers
- Gas Boilers
Hot Water Supply
- Hot Water Storage
- Immersion Heaters
- Primary Hot Water Pipework
- Secondary Hot Water Pipework
- Thermal Stores
Radiators (Heat Emitters)
- Selection of Heat Emitter
- Radiator Valves
- Towel Rails
Installation and Maintenance
- Considerations
- Commissioning
- Balancing
- Air Supply
- Boiler Positions
- Corrosion
- Pumps
Feed and Vent Pipes
- Pressure Variations Within the System
- Choice of Feed/Vent/Pump Layout
- Combination Feed and Vent
- Feed and Vent Pipes as Part of the System
- Air Separation
Further Design Considerations
- Frost Protection
- Running Costs Checklist
- Problems in Central Heating Systems