Vaillant atmoMAG mini 11-0/0 XZ Manual De Instrucciones página 20

6 Initial operation
3
Fig. 6.3 Nozzle designation
Key
1 Burner nozzle
2 Burner
3 Nozzle fitting
• Check that the correct nozzles are fitted. Check the
designation on the fitted nozzles with those listed in
the table in section 9, technical data. You may have to
remove the burner, see 7.2.
• If the nozzles are not the cause of the deviation, notify
customer service.
• Put the appliance out of operation.
Burner pressure method
1
Fig. 6.4 Measuring port for burner pressure
• Remove the plug screw of the burner pressure meas-
uring port (2).
• Connect a U-pipe pressure gauge (resolution at least
0.1 mbar).
10
1
2
2
6
Fig. 6.5 Setting the maximum temperature and performance
• Start up the appliance according to the operating
manual and turn the temperature selector (1) clock-
wise to the maximum temperature.
• Turn the power switch anticlockwise to the maximum
performance.
• Draw off hot water with the tap fully open. The rated
water volume must flow, see section 9, technical data.
• Find the required burner pressure in millibars in table
6.4.
• Compare the measured pressure with the value in the
table.
Deviations of ± 10% are permitted.
• Put the appliance out of operation.
• Take off the U-pipe pressure gauge.
• Screw the plug screw of the burner pressure measur-
ing port back in.
• Check the plug screw for leaks.
If the deviation is beyond the stated limits:
3
Fig. 6.6 Nozzle designation
Key
1 Burner nozzle
2 Burner
3 Nozzle fitting
1
1
2
Installation manual atmoMAG