WRDB - GB
Use
11
4 Use
4.1 Digital display - description
Fig. 6 Digital display
1 Temperature/error code
2 Malfunction indicator
3 Temperature measurement units
4 Heater in operation (burner turned on)
4.2 Batteries
Battery insertion
B Insert the two 1.5 V R20 batteries.
Fig. 7 Inserting the batteries
Replacing the batteries
The batteries must be changed if the red LED starts
flashing.
Fig. 8 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.
4.3 Before starting up the 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.
4.4 Turning the heater on and off
Turning on
B Press the switch , position .
Fig. 9
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:
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.
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