Lochinvar Mini Copper-Fin MCW91CE Installation, Commissioning And Maintenance Instructions page 15

Worked Example – Mechanical inlet/mechanical discharge (minimum combustion air flow rate):
Lochinvar MC361CE
Heat input (net):
Minimum combustion air flow rate:
Difference between inlet and extract air
(maximum value):
Difference between inlet and extract air
(minimum value):
Extract air (maximum value):
Extract air (minimum value):
Worked Example – Mechanical inlet/mechanical discharge (alternate combustion air flow rate):
Lochinvar MC361CE
Heat input (net):
Minimum combustion air flow rate:
Actual combustion air flow rate:
Difference between inlet and extract air:
(maximum value)
Difference between inlet and extract air:
(minimum value)
Extract air (maximum value):
Extract air (minimum value):
= 95.1 kW
= 95.1 x 2.8 m
/h
3
= 95.1 x (2.07 + 0.18) m /h
3
= 95.1 x (2.07 - 0.18) m
/h
3
= 266.28 m /h – 179.74 m
3
= 266.28 m /h – 213.98 m
3
= 95.1 kW
= 95.1 x 2.8 m /h
3
= 95.1 x 3.15 m /h
3
= 95.1 x (2.07 + 0.18) m /h
3
= 95.1 x (2.07 - 0.18) m
/h
3
= 299.57 m /h – 179.74 m
3
= 299.57 m /h – 213.98 m
3
= 266.28 m
/h
3
= 213.98 m /h
3
= 179.74 m
/h
3
/h = 86.54 m /h
3 3
/h = 52.30 m /h
3 3
= 266.28 m /h
3
= 299.57 m /h
3
= 213.98 m /h
3
= 179.74 m
/h
3
/h = 119.83 m /h
3 3
/h = 85.59 m /h
3 3
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