Zanussi ZGF 7521, Instruction Booklet

Page: 25 / 32

25
Commissioning
When the hob has been fully installed it will be necessary to check the
minimum flame setting. To do this, follow the procedure below.
1) Turn the gas tap to the MAX position and ignite.
2) Set the gas tap to the MIN flame position then turn the control
knob from MIN to MAX several times. If the flame is unstable or is
extinguished follow the procedure below.
P r o c e d u r e : P r o c e d u r e :
P r o c e d u r e : P r o c e d u r e :
P r o c e d u r e :
1) Re-ignite the burner and set
to MIN.
2) Remove the control knob.
3) To adjust, use a thin bladed
screwdriver and turn the
adjustment screw (see
diagram) until the flame is
steady and does not
extinguish, when the knob is
turned from MIN to MAX.
Repeat this procedure for all
burners.
Pr Pr
Pr Pr Pressur
essur
essur essur essure T
e T
e T e T e Testing
esting
esting esting esting
The pressure testing must be carried out on the burners.
Proceed as follows:
1) Remove the pan supports and the burner caps and crowns.
2) Fit manometer tube over the injector.
3) Turn on the burner gas supply and ignite another burner supply.
The pressure reading should be nominally 20 mbar and must be
between 17 mbar and 25 mbar.
4) Turn off the burner supplies.
)
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Minimum adjustment Minimum adjustment
Minimum adjustment Minimum adjustment
Minimum adjustment
s c r e w s c r e w
s c r e w s c r e w
s c r e w