Bosch HG 120B Series User Manual And Installation Instructions page 31

Free standing cooker
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Note:
The accessories supplied may differ depending on the
appliance model.
¡ The gas connecting piece may vary depending on
the gas type and the country-specific regulations.
¡ In the "Technical data – Gas" → Page 35 table, de-
termine the correct nozzle diameter.
¡ Always use a new seal.
¡ (*) Never establish a gas connection without these
parts.
Explanation
Bypass nozzle
Burner nozzle
(*) Seal
(*) Connecting piece for nat-
ural gas (NG: G20, G25)
¡ TS 61-210 EN 10226 R½
¡ EN 10226 R½
(*) Connecting piece for nat-
ural gas (NG: G20, G25)
¡ TS EN ISO 228 G½
¡ EN ISO 228 G½
(*) Connecting piece for lique-
fied gas (LPG: G30, G31)
Connecting piece
Blind plugs (closure part)
Replacing the cooker burner nozzles
1.
Switch off all of the knobs on the control panel.
2.
Close the gas connection shut-off.
3.
Remove the pan support grids or the pan support
racks and the burner parts.
4.
Use the socket wrench 7 to remove the cooker
burner nozzles.
5.
Look up the burner nozzles in the table. You can
find additional information about this in the section
entitled "Technical data – Gas" → Page 35.
Fit the new nozzles into the appropriate burners.
6.
After replacing the nozzles, check that there are no
leaks. You can find additional information about this
in the section entitled "Leak and function test"
→ Page 35.
Adjusting or replacing bypass nozzles (small
flame setting)
You can set the minimum flame height for the burners
via the bypass nozzles.
Requirements
¡ Close the gas isolating equipment.
¡ Disconnect the appliance from the power supply.
1.
Switch off all of the knobs on the control panel.
2.
Remove the knobs one by one by holding them
tightly against the control panel and pulling them to-
wards you slightly.
Converting the appliance from natural gas to
liquefied gas
If the appliance was set to natural gas at the time of
delivery (factory setting) (NG: G20, G25) and is now
being converted to liquefied gas for the first time (LPG:
G30, G31):
1.
In order to gain access to the bypass nozzles, re-
move the control panel. You can find additional in-
formation about this in the section entitled "Remov-
ing the control panel" → Page 32.
2.
Tighten the bypass nozzles as far as it will go.
3.
Then carry out the steps described in the section
entitled "Installing the control panel" → Page 33.
For ovens – converting the appliance from
natural gas to liquefied gas
If the appliance was set to natural gas at the time of
delivery (factory setting) (NG: G20, G25) and is now
being converted to liquefied gas for the first time (LPG:
G30, G31):
1.
In order to gain access to the bypass nozzles below
the burner tap, remove the control panel. You can
find additional information about this in the section
entitled "Removing the control panel" → Page 32.
2.
Then tighten the bypass nozzle on the oven burner
as far as it will go.
3.
Then carry out the steps described in the section
entitled "Installing the control panel" → Page 33.
Converting the appliance from liquid gas to
natural gas
If you convert the appliance from liquefied gas
(LPG: G30, G31) to natural gas (NG: G20, G25) or if
you already carried out this conversion and then undo
this:
Installation instructions en
31

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