Hot Water Supply (Leaving Cert Construction Studies): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
Three main types of hot water systems in Ireland
Three main types of hot water systems in Ireland
Direct, indirect, and unvented systems
Where hot water is drawn from in direct system
Where hot water is drawn from in direct system
Top of cylinder where temperatures are highest
Problem with direct systems in hard water areas
Problem with direct systems in hard water areas
Limescale buildup that can block pipes
Size of feed expansion tank in indirect system
Size of feed expansion tank in indirect system
45 litres
Most commonly used hot water system
Most commonly used hot water system
Indirect system
How solar coil reduces boiler energy use
How solar coil reduces boiler energy use
Keeps cylinder bottom warm, reducing heating needed
Where geothermal pipework is installed
Where geothermal pipework is installed
Below the frost line
What unvented systems connect to
What unvented systems connect to
Mains water supply
Function of expansion vessel in unvented system
Function of expansion vessel in unvented system
Accommodates water volume expansion when heated
When pressure relief valve opens
When pressure relief valve opens
When pressure reaches predetermined level