Table of Contents
Advertisement
10.11.1 EXAMPLE B: SINGLE PIPE SYSTEM FOR FLUE GAS OUTLET ONLY
Calculation example:
INLET AIR MUST BE CLEAN
AND
FREE
OF
ALWAYS USE A WIRE MESH
TO PREVENT DEBRIS BEING
DRAWN INTO THE AIR INLET.
Water heater type:
Straight tube m¹
T-piece
Bend
Flue outlet
Air inlet
WATER.
Diameter: 180 mm.
total
outlet
90°
Zeta=1,0
Total resistance flue gas outlet:
Diameter: 180 mm.
Zeta=1,3
Total resistance air supply:
Total resistance flue gas outlet and air supply:
The total resistance is less than 200 Pa, so this is acceptable.
TTW410
Number
Pa
8,5
3,0
1
25,5
2
9,9
1
28,3
Number
Pa
1
27,7
Pa total
25,5
25,5
19,8
28,3
99,1
Pa total
27,7
27,7
126,8 Pa
30
Advertisement
Table of Contents
