3.8.3 To Check appliance operating gas pre ssure
(Propane Appliances Only)
Note:
On Propane applianc es, governor override
screw should be fitted, and no gas pressure
adjustment is possible.
Gas supply pressure to appliance should be
37millibars.
Ensure Governor override screw is in place.
a)
Remove outlet pressure test point screw and fit
manometer.
b)
Light pilot as in Section 3.8. 2.
c)
Push in and turn burner control knob to main
burner position and set thermostat to 5. Ensure
that burners light.
d)
Observe manometer. Check that full burner
operating pressure is as in Section 1.9.
e)
Remove manometer and replace screw.
3.9 GOV ERNOR
The appliance gas pressure governor is incorporated
in the multi-functional control. See Section 3.8 to
remove and adjust.
3.10 CHECKING and SERVI CING THE
MULITFUNCTIONAL GAS CONTROL UNIT
3.10.1 Pilot Will NOT Light (Burner Control turned
to Pilot position)
a)
Main gas supply must be turned on and pilot gas
supply line purged of air.
b)
Ensure igniter is supplying spark at Pilot block .
c)
There is a possible obstruction to gas flow.
–
Using table in section 1.8, check Pilot Orifice is
correct size and un blocked, Check pilot supply
gas pipe.
d)
Alternatively, pilot gas adjustment screw may be
closed.
e)
The pilot flame should envelop 6 to 10mm of
thermocouple tip. Turn adjustment screw
clockwise to decrease, or anti-clockwis e to
increase pilot flame. Fig 1.
3.10.2 Pilot goe s OUT when burner control knob
is Released.
a)
Check pilot flame adjustment as above.
b)
Check that thermocouple to multifunctional gas
control unit connection is clean and secure.
c)
If pilot still does not hold, replac e thermocouple.
If this does not correct condition, replac e
multifunctional gas control unit.
3.10.3 Checkout Multifunctional Control for
complete function.
Put lighting sequenc e into operation and observe,
through a complete cycle that main burners function
properly.
3.10.4 Lighting the Burner
Warning:
If pilot flame is extinguis hed int entionally or
otherwise, NO ATTEMP T should be made to relight
gas until at least 3 minutes have elapsed.
Ensure pan is fully lowered. On G2965/ 95 models
only, set changeover switch to heat.
3.10.5 To Light The Burners
a)
Switch off electricity supply to pan and turn
thermostat control OFF.
b)
Press in and turn burner control knob to pilot
position, push knob in fully and hold while
repeatedly pressing and releasing igniter button
until pilot lights, observe through sight -hole.
c)
Keep pilot button pushed in fully for 20 seconds
then release it. Pilot should remain alight but
should it go out, turn burner cont rol knob to OFF
and wait 3 minut es before repeating from Step
b).
d)
Turn electricity on and check red neon lights.
e)
Push in and turn burner control knob to Main.
f)
Set thermostat control to desired setting and
main burner will light.
3.10.6 If Main Burner s Do Not Light
High temperature limit device may have tripped. To
re-set, refer to Section 3.7.2.
IMPORTANT:
Investigate reason for trip.
3.10.7 To Shut Down
3.10.7.1 For Short Periods
Turn thermostat knob OFF. This leaves only pilot lit.
3.10.7.2 For Longer Periods (Complete Shut-
down)
a)
Turn thermostat knob to OFF (fully
anticlockwise).
b)
Turn burner control knob to OFF position.
c)
Turn off electricity to appliance.
Note:
Gas multifunctional cont rol is fitted with a
safety interlock, therefore a period of 3 minutes will
elapse before it is possible to re-light after complete
shut-down.
Содержание G2962
Страница 13: ...G2962 and G2994 BRATT PANS WIRING DIAGRAM...
Страница 14: ...G2965 and G2995 BRATT PANS WIRING DIAGRAM...
