the.roof.top).within.8.m;
–. have. a. diameter. that. is. not. infe-
rior. to. that. of. the. boiler. union:.
square. or. rectangular-section.
flues.should.have.an.internal.sec-
tion. 10%. greater. than. that. of. the.
boiler.union;
–. the.useful.section.of.the.flue.must.
conform.to.the.following.formula:
. .
.
.
P
. S. =. K
. .
.
.
√H
. S. resulting..section.in.cm
. K. reduction.coefficient.for.liquid.
fuels:.0.024
. P. boiler.input.in.Kcal/h
. H. height. of. the. flue. in. meters.
measured. from. the. flame. axis.
KEY
1..
Stainless.steel.coaxial.flue.L..886.code.8096220
2a.. Stainless.steel.extension.L..1000.code.8096121
2b.. Stainless.steel.extension.L..500.code.8096120
3a.. 90°.stainless.steel.curve.MF.code.8095820
3b.. 45°.stainless.steel.curve.MF.code.8095920
4..
Stainless.steel.vertical.condensation.recovery.L..135.code.8092820
5..
Tile.with.hinge.code.8091300
6..
Roof.outlet.terminal.L..1063.code.8091203
7.
Kit.code.8098810
TABLE A
.
90°.stainless.steel.curve.MF.
45°.stainless.steel.curve.MF.
Stainless.steel.extension.L..1000.
Stainless.steel.extension.L..500.
Roof.outlet.terminal.L..1063.
Stainless.steel.coaxial.flue.L..886.
Stainless.steel.vertical.condensation.recovery.L..135.
WARNING:
The maximum acceptable length of the flue must not be over 7.0 equivalent meters.
Always use the condensation recovery (4) in outlets with vertical exhaust.
72
to. the. flue. outlet. into. the. at-
mosphere.. When. . dimension-
ing.the.flue,.the.effective.height.
of. the. flue. in. meters. must. be.
considered,.measured.from.the.
flame.axis.to.the.top.of.the.flue,.
reduced.by:
. .
–. 0.50.m.for.each.change.of.di-
rection.of.the.connection.un-
ion.between.boiler.and.flue;
. .
–. 1.00.for.each.horizontal.me-
tre.of.the.union.itself.
2
Our. boilers. are. the. B
not.need.any.particular.connections.
other. than. the. one. to. the. flue. as.
described.above.
1
3
2
7
3
ø 80/125
. type. and. do.
23
6
Load.loss.(mt)
1,80
0,90
1,00
0,50
1,00
0,70
5
0,70.
2
4
3
2.3.2
Smoke exhaust with
ø 80/125 coaxial flue
"BF" version. boilers. are. set. to. be.
connected. to. ø. 80/125. stainless.
steel.coaxial.flues.that.can.be.adju-
sted.to.the.most.suitable.direction.
for.room.requirements.(fig..6)...
The maximum acceptable length
of the flue must not be over 7.0
equivalent meters.
Load losses in meters for each
single accessory to be used in the
exhaust configuration are indica-
ted in Table A.
Only. use. original. SIME. accessories.
and.make.sure.that.connections.are.
7
Fig..6