10
Use
Therm 4200 – 6 720 821 605 (2017/08)
3Use
Open all water and gas blocking devices.
Purge the pipes.
CAUTION: The area in front of the burner
can reach very high temperatures, and there
is a risk of burning on contact.
3.1 Digital display - description
Fig. 3 Digital display
[1] Temperature/error code
[2] Malfunction indicator
[3] Temperature measurement units
[4] Heater in operation (burner turned on)
3.2 Batteries
Battery insertion
▶ 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.
Fig. 5 Replacing the batteries
Precautions when using the batteries
• Do not dispose of batteries as domestic waste. Take them
to a
ppropriate collecting places for recycling.
• Do not insert flat batteries.
• Only use the type of batteries indicated.
3.3 Before starting up the heater
CAUTION:
▶ The initial startup of the heater must be
realized by a qualified technician, who
will provide the client with all the
information necessary for its correct
usage.
▶ Check if the gas indicated on the ty
pe plate is the same as
the one used at the location.
▶ Open the gas valve.
▶ Open the water valve.
3.4 Turning the heater on and off
Turning on
▶ Press the switch
, position .
Fig. 6
Green light on = Main burner on
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