EN
Subject to modifi cations
Hoval products must be installed and commis-
sioned only by appropriately qualifi ed experts.
These instructions are intended exclusively for
the specialist. Electrical installations may only
be carried out by a qualifi ed electrician.
Technical information
Installation instructions
Oil/gas boiler
Uno-3 (130-280)
4 205 118 / 01 - 08/09
Uno-3 (130-280) boilers are suitable and
licensed for use as heat generators for hot water
heating systems with a permissible flow tempe-
rature of up to 100°C
1)
. They are designed for
closed-circuit systems, but can also be installed
in open systems as per EN 12828.
1)
see point 3.2
This manual is valid for the following types:
7-Uno-3 (130, 160, 190, 220, 250, 280)
7-Uno-3 b-i * (130, 160, 190, 220, 250, 280)
and for the same types with increased opera-
ting pressure (H)
* = burner integrated
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