25
MAXIMUM ALLOWABLE PRESSURE DIFF & FLUE LENGTH
FLUES INCLUDING TERMINAL
MODEL
FLUE SIZE
PRESSURE DIFF (Pa)
30/30P
80/125
180
40/40P
80/125
227
60/60P
80/125
150
80/80P
80/125
312
100
100/150
220
120
100/150
473
150
100/150
332
Therefore this installation is acceptable as only a 2m run.
FOR OWN BUILT OPEN FLUE USE THIS:
EXAMPLE 1 (CONCENTRIC)
HORIZONTAL FLUE FOR EVOMAX 2 40
Resistance (m)
Flue size
80/125
Max permissible flue run
30
2 x 90
˚
elbow
2 x 1.6 = 3.2
Total flue length available
30 - 3.2 = 26.8
ÄT
RP
RJ
MN
OS
MO
EXAMPLES OF CALCULATING FLUE RESISTANCES/LENGTHS
Summary of Contents for EVOMAX 2 30
Page 1: ...EVOMAX 2 CONDENSING BOILER PRODUCT FLUE GUIDE...
Page 5: ...5...
Page 12: ...12 EVOMAX 2 CASCADE 30 900kW...
Page 18: ...18 EVOMAX 2 FLUE OPTIONS...
Page 19: ...19...
Page 41: ...41...
Page 43: ...43 NOTES...