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Regulating the gas (only for authorised technicians) | 15
Calibration example
5 Regulating the gas (only for authorised
technicians)
5.1 Factory settings
The data plate on the each appliance will show the factory
setting of that appliance.
Natural gas
LPG
5.2 Service function
Accessing the service menu
▶ Press and hold down at the same time , , and
for 3 seconds.
Fig. 9 Service function
The display will show "P2".
The service function is now activated.
5.3 Adjusting the appliance
5.3.1 Access to test pointsads
▶ Remove the front of the appliance.
Fig. 10
[A] Air pressure test point
[B] Gas pressure test point
5.3.2 Adjusting the maximum flow (Parameter P1)
▶ Turn on the appliance using the ON/OFF button.
▶ Loosen the test point screw of the gas pressure test point
[B].
▶ Connect the pressure gauge connection "+" to the gas
pressure test point.
▶ Loosen the test point screw of the air pressure test point
[A].
▶ Connect the negative (-) side of the pressure gauge to the
air pressure test point [A].
▶ Enter the service mode by pressing and holding down the
, , and buttons simultaneously for 3
seconds.
▶ Display will show “P2”.
▶ Press until the display shows "P1".
▶ Press the button .
Display will show "E".
▶ Press until the display shows "L1".
Setpoint Water temp. at tap Setpoint calibration
55 °C 53 °C +2 °C
Table 9
The appliance must not be operated if the
dynamic connection pressure is less than
1.13 kPa or greater than 2.75 kPa.
The appliance must not be operated if the
dynamic connection pressure is less than
2.5 kPa or greater than 4.5 kPa.
DANGER:
▶ The operations described below must only
be carried out by an authorised technician.
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