Changing Gas Type; Maintenance - Bosch WT 11 AM1 E Installation And User Instructions Manual

20 | Maintenance

▶ Open the hot water tap.
▶ Using the adjuster screw (Fig. 19, [2]) regulate the
pressure to the values indicated in table 14.
Injector code WT11 8708202116
Connection WT11
pressure
(mbar)
Burner WT11
pressure MAX
(mbar)
Burner WT11
pressure min
(mbar)
Table 14 Burner pressure
8.3

Changing gas type

Use only authentic conversion kits. Conversion must only be
carried out by an accredited technician. Authentic conversion
kits are supplied with installation instructions.
▶ Close the gas valve.
▶ Disconnect the main switch and remove the front cover.
▶ Dismantle the burner.
Fig. 20
▶ Dismantle both injectors groups and replace them.
▶ Reassemble the burner.
▶ Ensure there are no gas leaks.
▶ Open electronic cover.
6 720 607 800 (2016/02)
Natural gas H Butane Propane
8708202129
(1,25) (0,71)
20 28-30
10 26
1 3,6
▶ Set the jumper settings according to Fig. 21.
37
34
Fig. 21 Jumper (natural gas configuration)
▶ Register the gas type modification on the characteristics
panel of the appliance.
9 Maintenance
To minimise gas consumption and emissions, we recommend
that the appliance is checked, and possibly maintained,
annually.
DANGER:
Through electric shock!
▶ Isolate the appliance from the power
WARNING:
Prior to commencing maintenance work:
▶ Isolate the appliance from the power
▶ Close the water shut-off valve.
▶ Close the gas tap.
▶ Your appliance must only be serviced by a BOSCH
Technical Assistance delegate.
supply (e.g. fuse, circuit breaker) before
carrying out any work on electrical parts.
supply.
6720607047-05.2V