Installation instructions
Built-in variants of gas hob
Dials GAS311/321/731
1009430-10
26/07/2023
1009430-10
8
Flush mounted
Surface mounted
A
Place the appliance tray in the kitchen cabinet and up
and over the threaded rods.
A
Lift the base plate back onto the base.
B
First tighten the two knurled nuts in the corners.
B
Screw in the screws along the circumference of the ap-
pliance.
C
Screw the rest of the nuts on the threaded rods along
the circumference of the appliance.
C
Place the appliance in the worktop cut-out again and
centre, then fit any adjusting braces again.
▸
Replace the drawers or cabinet front.
▸
Mount the burner plates and tighten with screws.
▸
Put control knobs back on.
▸
Put back the burners and pan supports.
▸
Reconnect the appliance to the electricity and gas mains.
After the nozzles have been changed, leak testing must be carried out and then the flame pattern checked in the
min./max. position for each burner.
Nozzle table
Change injector nozzles using a 7-inch socket wrench or corresponding wrench.
Key
Designation
A
Injector, ø in hundredths of a mm
B
Bypass, ø in hundredths of a mm / letter code
For the appliances GAS311EKBZ/GKBZ and GAS321EKBZ/GKBZ, the following gas types are available:
Gas type
Test gas Connection
pressure
Wok burner
Rapid burner
Standard burner
A inside A outside B inside
B outside
A
B
A
B
China natural gas
12T
20 mbar
71
2 × 125
42
82
143
63
104
48
China liquid gas
20Y
28 mbar
46
2 x 80
26
54
104
41
74
31
For the appliances GAS731EKBZ/GKBZ, the following gas types are available:
Gas type
Test gas Connection
pressure
Wok burner
Rapid burner
Standard burner
A inside A outside B inside
B outside
A
B
A
B
China natural gas
12T
20 mbar
71
2 × 125
42
82
132
63
104
48
China liquid gas
20Y
28 mbar
46
2 x 80
26
54
94
41
74
31
Affixing the gas sticker
After conversion to another gas type, the sticker supplied with the nozzle set must be affixed in the appropriate place on the identifica-
tion plate.
The appliance must be tested for leak tightness before using for the first time.
