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INSTALLATION
4.3.1 Flue gas conduits approved under building
law
Only flue gas systems approved by the respective coun
-
try or state may be connected (in Austria the approval
requirements of the respective provinces must be obser-
ved). The manufacturers of the flue gas conduits supply
suitable boiler connection fittings for the transition from
the flue gas outlet to the flue gas conduit.
When designing and installing flue gas conduits, manu
-
facturer’s instructions for design and routing and the re-
quirements of building law must be observed. We recom-
mend that you consult the regional chimney inspector in
good time.
4.3.2 Project planning instructions
-
The flue gas must be routed through a tested and
approved flue gas conduit
-
The flue gas conduit must be gastight, watertight, re
-
sistant to corrosion and acids and approved for use with
flue gas temperatures of up to 120 °C.
-
The flue gas system must be suitable for operation at
pressure.
-
The flue gas conduit is to be laid with gradients to en
-
sure that the condensate which occurs in the flue gas
system flows back into the heating boiler and can be
neutralised there before discharge into the drainage
system.
-
When using flue gas conduits made from plastic, ob
-
serve the country-specific regulations with regard to the
use of the flue gas safety temperature limiter. (Included
in the scope of delivery of the UltraOil
®
)
- The cross-sections are to be calculated for heating boi-
lers without draughting requirements. Please take note
of SIA recommendation No. 384/4 “Chimneys for buil-
ding heating systems, determination of cross-sections.”
-
A closable flue gas measurement nozzle with a circular
internal diameter of between 10-21 mm must be instal-
led in the flue gas conduit. It must protrude beyond the
thermal insulation.
2 x D
D
D
1D
< 2D
Fig. 20
4.3
Fuel
NOTICE
The boiler may only be operated with the fuel
designated on the boiler rating plate.
The UltraOil
®
boiler is suitable for the combustion of the
following fuels:
- Low-sulphur heating oil EL in accordance with DIN 51
603 / ÖNORM C 1109
- Eco heating oil low-sulphur SN 181 160-2 / 2008
If an existing oil heating installation is replaced by a Hoval
UltraOil
®
, the following instructions regarding the oil tank
and its refilling must be observed:
- The Hoval UltraOil
®
must only be operated with low sul-
phur heating oil EL with a sulphur content < 50 ppm (<
0.005 %).
- It is recommended that you clean the oil tank before
refilling it.
- A residual amount of heating oil EL in the oil tank may
be mixed with low sulphur heating oil EL, provided that
the residual amount does not exceed the following
percentages of the total content.
Residual amount heating oil EL
(sulphur content: 2000 ppm / 0.2 %)
max 3 % of tank volume
Residual amount heating oil EL
(sulphur content: 1000 ppm / 0.1 %)
max 5 % of tank volume
Residual amount eco heating oil EL
(sulphur content: 500 ppm / 0.05 %)
max 10 % of tank volume
- In order to reach the permissible mixture ratio with hea-
ting oil EL low-sulphur, taking into account the residual
amount of heating oil in the oil tank, a 100% tank filling
is necessary.
Содержание 42-UltraOil 110
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