b) Turn on gas valve. Switch on electrical power to
appliance. Red neon should light.
c) Light oven as detailed in User Instructions with
cook thermostat at 200
o
C. The gas supply may
contain some air so repeat lighting procedure,
payingparticular attention to instructions to be
followed in event of controls safety lockout.
d) Adjust pressure governor (NATURAL GAS ONLY)
to set burner pressure (Section 1.9). To increase
pressure turn screw inside governor turret
clockwise. Anti-clockwise to reduce pressure.
Check pressure again after 15 minutes and adjust
if necessary.
e) Isolate electrical supply. Remove combustion
chamber facia box and disconnect pressure
gauge from test point. Replace test point sealing
screw and test for soundness. Replace facia box.
Checking Performance of Controls
a) Ensure electrical supply is ON. Light oven as
detailed in User Instruction. Check that controls
produce a healthy spark to both burners and
ignition is smooth and without delay. Repeat this
operation several times.
b) Open oven doors. Check oven fan rotates in a
clockwise direction. (Anti-clockwise for G7204)
c) Ensure cook mode is selected. Turn cook
thermostat knob to any temperature settingand
observe that amber heat indicator neon
illuminates. The neon will light and go out as
thermostat and burner go on and off.
d) Select temperature of 200
o
C on cook thermostat
knob and allow oven to heat. With a suitable
thermometer, check that centre oven temperature
corresponds with this setting.
e) Check fan stops and oven burners go out when
doors are opened.
f) Check that fan rotates with oven doors open or
closed when fan switch is pressed to COOL
DOWN position.
g) Returh to heat up mode and check timer operation.
This should switch the burners off to sound a
buzzer at the end of a pre-set time interval. Turn
timer knob to MAN settingand observe that cook
thermostat is activated and the buzzer stops.
h) With mode switch at Cook and Hold setting, check
COOK and HOLD timer works and that at end of
pre-set time interval selected control switches from
cook to hold thermostat.
j) With oven in HOLD mode (i.e. hold timer at 0 and
mode switch at cook and hold) check that centre
oven temperature is approximately 80
o
C.
k) Press oven light switch and observe that light
works (G7204 and G7208 models only) and that it
goes out when switch is released.
2.6 INSTRUCTIONS TO USER
After installingand commissioningthe unit, hand
USERS INSTRUCTIONS to user or purchaser.
Ensure the instructions for lighting, turning off, correct
use and cleaningare properly understood.
The location of the gas isolating cock and electrical
supply switch should be made known to the user and
the procedure for operation in event of an emergency
demonstrated.
SECTION 3 - SERVICING
and CONVERSION
Warning
BEFORE CARRYING OUT ANY MAINTENANCE
ON THIS APPLIANCE ENSURE THAT THE
ELECTRICITY AND GAS SUPPLY TO THE UNIT
ARE ISOLATED.
During Servicing
1. Test for gas soundness as specified in IGE/UP/1
after any gas connection has been disturbed.
2. Check for correct operation as appropriate (see
commissioningthe appliance).
3. When replacingwiringconnections, refer to
diagram at rear of this manual, note that all wires
are numbered.
4. Plastic clips on wiringlooms are not reusable.
These should be renewed after removal.
3.1 CONVERSION TO OTHER GASES
From NATURAL GAS to PROPANE or vice versa.
a) Remove burners as detailed in Section 3.3.
b) Remove injectors as detailed in Section 3.4.
c) Insert appropriate injectors and replace burners.
d) Remove gas governor. (When converting from
PROPANE to NATURAL GAS a governor MUST
be applied to gas circuit.)
e) Ensure that all gas circuit joints disturbed during
conversion are tight and gas leak tested.
3.2.1 Combustion Chamber Facia Box
Open doors and remove fixings which secure panel to
front frame. Withdraw panel.
3.2.2 Drop Down Control Panel
Remove fixings at top edge and drop hinged panel
down.
3.2.3 RH Outer Side Panel
a) Open drop down control panel as Section 3.2.2.
b) Remove side panel fixings. Slide panel to rear to
remove.
