24.07.2013 Views

Econoflame R2700/R2800/R2900 boilers - CMS

Econoflame R2700/R2800/R2900 boilers - CMS

Econoflame R2700/R2800/R2900 boilers - CMS

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

5.3.6 Condensate discharge<br />

Type Diameter ζ=1 Elbow Elbow Elbow 90° Tee<br />

in 90° 90° 45°<br />

mm R/D = 1 right angle ζ=0,5 ζ=2<br />

<strong>R2900</strong> 150* 3,7 1,9 4,9 1,9 7,5<br />

120 2,7 1,3 3,4 1,3 5,3<br />

R2901 150* 3,7 1,9 4,9 1,9 7,5<br />

120 2,7 1,3 3,4 1,3 5,3<br />

R2902 180* 4,6 2,3 5,9 2,3 9,1<br />

150 3,6 1,8 4,6 1,8 7,1<br />

R2903 200* 5,1 2,5 6,6 2,5 10,1<br />

180 4,4 2,2 5,7 2,2 8,8<br />

R2904 200* 4,8 2,4 6,3 2,4 9,6<br />

180 4,1 2,0 5,3 2,0 8,2<br />

R2905 250* 6,2 3,1 8,1 3,1 12,4<br />

200 4,5 2,2 5,8 2,2 8,9<br />

R2906 250* 6,1 3,1 8,0 3,1 12,3<br />

200 4,1 2,1 5,4 2,1 8,3<br />

R2907 250* 5,5 2,8 7,2 2,8 11,0<br />

300 7,0 3,5 9,2 3,5 14,1<br />

R2908 300* 7,4 3,7 9,6 3,7 14,8<br />

250 5,5 2,8 7,2 2,8 11,1<br />

R2909 300* 7,3 3,6 9,5 3,6 14,6<br />

250 5,5 2,7 7,1 2,7 10,9<br />

Table 11c Chimney losses <strong>R2900</strong> in metres of straight pipe<br />

* Connection at boiler.<br />

Example:<br />

A chimney Ø 200 mm for an R2704 requires 5 m of straight<br />

pipe, and 4 elbows 45 ° supplied by manufacturer x. These<br />

elbows have an equivalent pipe length resistance of 2,5 m each<br />

(table 11).<br />

The total losses will be equivalent to:<br />

5 x 1 = 5 m<br />

4 x 2,5 = 10 m<br />

total 15 m of straight pipe<br />

The maximum allowed is 70 m, this flue is acceptable (table 10).<br />

Condensate that forms in the appliance must be discharged to<br />

a drain.<br />

If there is no direct connection to a drain present, a water<br />

collection tank with a pump and a level switch may be used, so<br />

that the condensate can be pumped into a drain. The discharge<br />

of condensate into roof guttering is not permitted.<br />

The appliance is fitted with a water trap which prevents flue<br />

gasses from entering the boiler room.<br />

2789CV02C 35

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!