Bosch WR 11 B - 3 Use; Before Starting up the Heater; Batteries; Turning the Heater on and O

6720648592 (2014/05)
Use | 9
3 Use
3.1 Before starting up the heater
 Check if the gas indicated on the rating plate is the same as
the one used at the location.
 Open the gas valve.
 Open the water valve.
3.2 Batteries
Battery insertion
 Insert the two 1.5 V R20 batteries.
Fig. 3 Inserting the batteries
Replacing the batteries
The batteries must be changed if the red LED starts ashing.
Fig. 4 Replacing the batteries
Precautions when using the batteries
• Do not dispose of batteries as domestic waste. Take them
to appropriate collecting places for recycling.
• Do not insert at batteries.
• Only use the type of batteries indicated.
3.3 Turning the heater on and o
Turning on
 Press the switch , positi
on .
Fig. 5
Green light on = Main burner on
Open all water and gas blocking devices.
Purge the pipes.
CAUTION:
The front panel in the burner and pilot burner
area may reach high temperatures, with risk of
burning in case of contact
CAUTION:
 Initial startup must be performed by a
qualied technician who will provide the
client with all the necessary information
for optimum operation of the gas heater.
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