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Installation and Service Manual Upsilon-Series
25
Possible warranty claims will not be honoured if incorrect changes result in non compliance
with the installation manual or local rules and regulations.
The ue gas system should be built up using only A.O.Smith program products.
Combinations with other brands or systems are, without written permission from
A.O.Smith, not permitted.
The terminal should be located where dispersal of combustion products is not unimpeded
and with due regard for the damage or discolouration that might occur to parts of the
building in the vicinity (see g 7.4.a).
terminalpositionforfanassistedboiler
minimum
distance
A
directlybelowanopenwindoworotheropening
(e.g.airbrick)
mm
300
B belowgutters,soilpipesordrainpipes
mm 75
C
beloweaves
mm 200
D belowbalconiesorcarportroof
mm 200
E
fromverticaldrainpipesandsoilpipes
mm
75
F frominternalorexternalcorners
mm 300
G
abovegroundorbelowbalconylevel
mm 300
H fromasurfacefacingaterminal
mm 600
I
fromaterminalfacingaterminal
mm 1200
J
fromanopeninginthecarport(e.g.door
window)intodwelling
mm 1200
K verticallyfromaterminalonthesamewall
mm
1500
L horizontallyfromaterminalonthesamewall
mm 300
M horizontallyfromaverticalterminaltoawall
mm 300
Dimensions table 7.4.a
figure 7.4.a
In certain weather conditions condensation may also accumulate on the outside of the
air inlet pipe. Such conditions must be considered and where necessary insulation of
the inlet pipe may be required.
In cold and/or humid weather water vapour may condense on leaving the ue terminal.
The effect of such ‘pluming’ must be considered.
The terminal must not be located in a place where it is likely to cause a nuisance.
For protection of combustibles, refer to IS 813 section 9.10.1. where the terminal is less
than 2m ( 6.6ft ) above a pavement or platform to which people have access ( including )
any balcony or at roof. The terminal must be protected by a guard of durable material.
Contact A.O. Smith for a suitable guard.
Whereaterminalisttedbelowawindowwhichishingedatthetop,andwhere
thehingeaxisishorizontal,andthewindowopensoutwards,theterminalshall
be1mbelowthebottomofthewindowopening.
Iftheboileristobelocatedunderstairs,asmokealarmmeetingtherequirements
ofI.S.409orequivalentmustbetted.
Theuemustbeterminatedinaplacenotlikelytocauseanuisance.
For horizontal sections, the outlet system should always be tted on an incline
( 50 mm/m ) sloping down towards the appliance so that no condensation water is able
to accumulate in the outlet system. The chances of icicles forming on the roof outlet is
minimised by causing the condensation water to run back towards the appliance. In the
case of horizontal outlets the inlet system should be tted on an incline sloping down
towards the outside to prevent rainwater from coming in.
25


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A.O. Smith Upsilon UB-70 User Manual - English - 2 pages

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A.O. Smith Upsilon UB-70 User Manual - Dutch - 2 pages

A.O. Smith Upsilon UB-70 Installation Guide - Dutch - 72 pages


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