A.O. Smith UB - 70 Boiler User Manual


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Installation and Service Manual Upsilon-Series
21
Finaldischargeoptions.
The condensate pipe can only terminate into any one of the ve areas as shown in the
diagrams on this page.
Draining of the condensation water to the external rain guttering is not
permittedinviewofthedangeroffreezing.
Beforeputtingtheboilerintooperationllthesyphonwith600mlofwater.
A -Condensate from boiler syphon/trap
B -Sink with internal overow
C -25mm dia. Plastic condensate pipe
D -External drain or gully
E -Internal soil and vent stack.
F -Serviceable condensate trap (75mm min.)
G -300mm x 100mm dia. sealed plastic tube.
H -Ground level
J -Drainage holes facing away from the building
K -Lime stone chippings
L -Weather resistant insulation
Drain requirements gure 6.4.c
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