DORCHESTER DR-LA 110, Руководство пользователя

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Installation
34 Instruction manual DR-LA
3
is
3.12.2 Conversion to a different gas category DR-LA 30 through 95
1. Disconnect the water heater from the power supply. See paragraph
7.3.2 Isolate the water heater from the power supply .
2. Shut off the gas supply.
Take care
The burner may be
hot.
3. Unscrew the cover plate
a
from the burner support.
4. Use a suitable tool to remove the locking strips
b
. Note: the locking strips
have very sharp edges.
Withdraw the locking strips straight upwards.
5. The radiation shield / the condensation tray can be temporarily loosened to
simplify assembly of the burner.
6. Remove the burners one by one from their brackets at the front. To do this,
you first move them away from you and then downwards. The orifices will
now be accessible.
7. Remove the orifices.
8. Select and fit the correct orifices from the conversion kit, based on
Tabel 3.5 .
The orifice diameter is indicated by figures stamped on the orifice, see
c
.
9. Refit the burners back in their original position.
10. Re-fit the locking strips.
11. If the radiation shield / the condensation tray was loosened, re-tighten it.
Legend
a
cover plate
b
locking strips
c
orifice with stamped figures
Figure 3.9 Exchanging orifices
IMD-0126
a
b
c