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Installation and Service Manual Upsilon-Series
19
6.4 Gasline
Mount the gas line in accordance with present legislation.
If required, mark the gas line in accordance with present legislation.
UnitedKingdom:
The gas supply must comply to the current Gas Safety, Installation & Use Regulations.
Ireland:
- Irish standard 813
- Domestic gas installations
The gas line leading to the installation has to be calculated to the maximum capacity to
determine the diameter of the supply pipe.
The gas line has to be placed on the allocated openings of the ange plates of the pipe
work headers ow/return and secured on all ange plates by the special M6x8x16 close
tolerance bolts.
Pressure loss for a newly installed natural gas line may be 1.7 mbar max. In the case of
an extension, this may be 2.5 mbar max. This value is to be measured in between the
operational gas meter and the CH-boilers.
For correct functioning of the boilers, it is necessary that the gas dynamic inlet pressure
must be at least 19 mbars.
Withregardtonewlinesinparticular,ensurethatthegaslinedoesnotcontain
anyresidualpollution.
The Upsilon boilers can be converted from natural-gas to propane/lpg and from propane/
lpg to natural-gas. When the boiler has to be converted, A.O. Smith provides special kits
for this purpose. Special instructions are supplied with the kit.
Thelpg-gashastohaveapropanepurityofatleast90%.Whenthebutane-level
isgreaterthen10%thewarrantyconditionsontheheatexchangersarenotvalid.
Following maintenance tasks always check all gas carrying components for
leakagesbyusingleakagedetectionspray.
Figuur 6.4.a
19


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Others manual(s) of A.O. Smith Upsilon UB-70

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

A.O. Smith Upsilon UB-70 Additional guide - English, Dutch - 2 pages

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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