Use; Before Starting Up The Heater; Batteries; Turning The Heater On And Off - Bosch WR11B series Installation Manual And Operating Instructions

10 | Use

3 Use
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
3.1

Before starting up the heater

CAUTION:
B Initial startup must be performed by a
qualified technician who will provide the
client with all the necessary information
for optimum operation of the gas heater.
B Check if the gas indicated on the rating plate is the
same as the one used at the location.
B Open the gas valve.
B Open the water valve.
3.2

Batteries

Battery insertion
B Insert the two 1.5 V R20 batteries.
Fig. 4 Inserting the batteries
Replacing the batteries
The batteries must be changed if the red LED starts
flashing.
6 720 648 592 (2011/06)
Fig. 5 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 flat batteries.
• Only use the type of batteries indicated.
3.3

Turning the heater on and off

Turning on
B Press the switch , position
Fig. 6
Green light on = Main burner on
Fig. 7
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