Hoval 41-UltraOil 16, Installation Instructions Manual

Page: 20 / 36

4.3 Example of a flue gas conduit
(Hoval flue gas system)
Falls erforderlich ist
ein Inspektions-T-
Stück einzusetzen
Gitter zur Schacht-
hinterlüftung
UltraOil
(16-35)
Hova
l
Grid for back
ventilation of the
shaft
If necessary, insert
an inspection
T-piece
Fig. 36
4.4 Fuel
The boiler may only be operated with the
fuel designated on the boiler rating plate.
The UltraOil
®
heating boilers are suitable for combustion
of the following fuels:
- Heating oil EL low-sulphur 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:
- Hoval UltraOil
®
must only be operated with heating oil
EL low-sulphur with 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 heating oil EL low-sulphur, provided that
the residual amount does not exceed the following per -
centages 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 account of the residual
amount of heating oil in the oil tank, a 100% tank filling
is necessary.
- Natural gas (conversion option to UltraGas
®
)
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INSTALLATION