Ariston PKL 641 D2 Operating Instructions Manual page 8

GB
• Adjusting the burners' primary air
Does not require adjusting.
• Setting the burners to minimum
1. Turn the tap to the low flame position;
2. Remove the knob and adjust the adjustment screw, which is positioned
in or next to the tap pin, until the flame is small but steady.
! In the event of single-control DRDA (DCDR) burners, adjustment can be
performed by intervening on the 2 screws located near the tap pin (see picture).
3. Having adjusted the flame to the required low setting, while the burner is
alight, quickly change the position of the knob from minimum to maximum
and vice versa several times, checking that the flame does not go out.
4. Some appliances have a safety device )thermocouple( fitted. If the device
fails to work when the burners are set to the low flame setting, increase
this low flame setting using the adjusting screw.
5. Once the adjustment has been made, replace the seals on the by-passes
using sealing wax or a similar substance.
6. In the event of discrete-adjustment knobs with LED visualisation, turn the
knob to the minimum power setting them remove it and intervene on the
adjustment screw located near the tap pin.
7. Minimum setting adjustment of the DRDA (DCDR) burner with discrete
adjustment and LED visualisation:
• To adjust the outer ring, turn the knob anti-clockwise to the minimum
power position.
• To adjust the minimum power setting of the inner ring, turn the knob
clockwise to the minimum power position.
• Remove the knob and intervene on the adjustment screw located near
the tap pin.
! If the appliance is connected to liquid gas, the regulation screw must be
fastened as tightly as possible.
! Once this procedure is finished, replace the old rating sticker with one
indicating the new type of gas used. Stickers are available from any of our
Service Centres.
! Should the gas pressure used be different (or vary slightly) from the
recommended pressure, a suitable pressure regulator must be fitted to the
inlet pipe (in order to comply with current national regulations).
8
DATA PLATE
Electrical
connections
ECODESIGN
This appliance conforms to the EU Regulation no. 66/2014
implementing Directive 2009/125/EC.
standard EN 30-2-1
Total DRDA
(DCDR) burner
adjustment
Inner DRDA (DCDR)
burner adjustment
see data plate