Use; Digital Display - Description; Batteries; Before Starting Up The Heater - Bosch T4200 14-2D Installation And User Instructions Manual

Use

3 Use
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.
10
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

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 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
Therm 4200 – 6 720 821 605 (2017/08)
.