4 | Operation
3.4
Top up the heating system
The filling unit is located at the bottom of the appliance between the
connection for the heating flow and the cold water connection.
NOTICE: Damage to appliance due to cold water!
Stress cracks can occur on the hot heat exchanger when
the heating water is topped up.
▶ Only top up the heating water when the appliance is
cold.
Maximum pressure of 3 bar at maximum heating water temperature
must not be exceeded (safety valve will open).
Fig. 5
[1]
Pressure gauge
▶ Open the fill valve and fill the heating system until a pressure between
1 and 2 bar is indicated on the pressure gauge.
▶ Close the fill valve.
8 716 473 217 (2017/09)
4
4.1
1
Fig. 6
8 716 473 217-04.3O
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10] Heating Temperature/Reset/"OK"
Operation
Overview of controls
1
2
3
4
10
9
8
7
Standby key
Burner operation
Fault display/standby mode display
Heating mode active
Temperature display (in °C)
Service mode
key (mode)
Return
key
5
6
reset
8 716 473 217-30.1O
Gaz 6000 W