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30 31INSTALLATIONINSTALLATION
CONNECTIONS
Wiring connection for gas cooker
To allow for disconnection of the appliance after
installation, the plug must be accessible after installation.
If the supply cord is damaged, it must be replaced by
the manufacturer, its service agent or similarly qualified
persons in order to avoid a hazard.
Installing the gas cooker gas connection
Read these points before connecting to the gas supply:
• The cooker inlet connection point has a ½” BSP
external thread. See diagram below.
• An NG regulator or a LPG test point fitting
is supplied.
• It is recommended to fit the regulator or test point
fitting to the appliance connection point, then fit
either hard piping or a high level flexible connection
(AS/NZS 5601.1 clauses 5.9 and 6.10.1.9) which is then
attached to the consumer hard piping.
• Ensure installation allows withdrawal of appliance.
Restraining device
anchor points
Gas connection
point
650mm
175mm
Operation on universal LPG/propane
1. The appliance inlet fitting provided MUST be
orientated so that the pressure nipple is accessible.
2. The inlet fitting has ½” BSP internal thread at the inlet
and outlet.
Operation on SNG (WFG617 models only)
• If the cooker is to be used with SNG, then the grill
burner MUST be modified by the replacement of the
shutter, which fits into the throat of the grill burner.
• A conversion kit can be obtained by contacting the
Customer Care Centre.
Restraining Device
Anchor Points
Connection
Gas
Point
150mm
650mm
Grill shutter
Grill deflector
WARNING
WARNING
Disconnect electric power before removing control panel.
1. Remove the control panel.
2. Remove the 2 screws from grill deflector (refer to
diagram above)
3. Remove the existing NG shutter securing screw (refer
to diagram above) and slide upwards to disengage
from grill burner.
4. Slide the SNG shutter into position and secure
with screws.
Testing the gas cooker
WARNING
WARNING
You MUST test the cooker after installation, before you
hand it over to the customer.
You MUST have a manometer and a connecting tube.
Gas requirements
This appliance must be installed by an authorised person,
according to all codes and regulations of:
• AS/NZS 5601.1 (particular attention to clause 6.10.1
and figure 6.3 on page 97, and clause 6.10.1.11)
The cookers come in two gas types: Natural gas and
Universal LPG. Before installation check that the cooker
is suitable for the gas supply. To do this check the gas
type on the carton sticker or on the data plate behind the
bottom of the oven door. The following table shows the
supply and operating pressures for various gas supplies.
GAS TYPE NATURAL
GAS
UNIVERSAL
LPG
Supply pressure at inlet to
appliance regulator (if fitted)
1.13 kPa
Minimum
2.75* kPa
Operating pressure
at appliance test point for
WFG617
1.00 kPa 2.75 kPa
Operating pressure
at appliance test point for
WFE517, WFE616, WFE619
1.00 kPa 2.60 kPa
*Some models do not require an appliance regulator
for LPG operation, in which case the supply pressure
and operating pressure are the same. In such cases
the supply pressure is adjusted at a regulator in the
consumer piping, typically located at the cylinder.
The following table shows the injector sizes for each burner.
INJECTOR ORIFICE NATURAL GAS UNIVERSAL
LPG
Low heat burner 1.00 mm 0.55 mm
Medium heat burner 1.35 mm 0.70 mm
High heat burner 1.60 mm 0.90 mm
Intense heat wok
burner
1.75 mm 1.00 mm
Oven – main injector 1.60 mm 0.82 mm
Grill 1.50mm 0.82mm
Oven – bypass
screw
0.73mm 0.45mm
CONNECTIONS
Checking pipe size
To work out a suitable pipe size for connection use:
• The information in this table.
GAS TYPE NATURAL
GAS
UNIVERSAL
LPG
Hourly gas consumption for
WFG617
63.3MJ/h
52.4MJ/h
Hourly gas consumption for
WFE616, WFE619
40.4MJ/h 34.4MJ/h
Hourly gas consumption for
WFE517
37.3 MJ/h
30.2MJ/h
• Information about the length of the run, number of
elbows, tees and bends, the available service pressure
and the supply requirements.
NOTE: AS/NZS 5601.1 will help you with this matter.
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