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a) A gas low pressure hot water heating boiler is to be used to heat a dwelling with hot water
radiators. A floor plan of the dwelling is as follows.
(download Exam for Images or download image here)
The ceiling height is 2.4m.
The radiators are sectional and each section has an output of 199 watts.
For bedrooms allow 40 watts/m3 of air space.
For living areas allow 50 watts/m3 of air space.
Showing all working calculate how many radiator sections are required for:
Bedroom 1
Bedroom 2
Bedroom 3
Lounge room
Kitchen/Dining room
b) The gas boiler for this installation has an efficiency rating of 83%. Calculate the input rating
of the boiler that is required.