10
Use
Therm 4300 – 6 720 821 607 (2018/01)
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 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 type plate is the same as
the on
e used at the location.
▶ Open the gas valve.
▶ Open the water valve.
3.3 Turning the heater on and off
Turning on
▶ Press the switch
, position .
Fig. 4
Green light on = Main burner on
Fig. 5
Turning off
▶ Press the switch
, position .
3.4 Water flow
If the red LED starts flashing, check the water pressure.
Fig. 6
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