ZAFJB t1_j29p2l9 wrote
The combustion changer takes in air from, and exhausts fumes to, outside of the room.
A heat exchanger transfers the combustion heat to the room air.
The heat exchanger circuit is hermetically isolated from the combustion chamber.
╔═══════════════════════════════════════════╗
║ ║
║ Room ║
║ ║
║ ┌───────────────┐ ║
───────╨─────┘ ┌───────────┐ │ ║
> Air in │ └─┴──────────── ║
───────╥─────┐ │ Hot room air out > ║
║ │ │ ┌─┬──────────── ║
║ │ │ │ │ ║
║ │ │ │ │ ║
║ │ │ └─┴──────────── ║
║ │ │ Cold room air in < ║
───────╨─────┘ │ ┌─┬──────────── ║
< Exhaust out │ Heat │ │ ║
───────╥─────┐ │ exchanger │ │ ║
║ │ └───────────┘ │ ║
║ │ Combustion │ ║
║ │ chamber │ ║
║ └───────────────┘ ║
║ ║
║ ║
╚═══════════════════════════════════════════╝
jeepsaintchaos t1_j2ctw4f wrote
That is a very impressive ASCII picture. Might be more understandable as a linked picture though.
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