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10 11CONNECTIONSCONNECTIONS
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/Propane 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.
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, figure
6.3, and clause 6.10.1.11.)
• The cooker models WFE512, WFE614, WFE612 and
WFE616 come in two gas types – Natural gas and
Universal LPG.
• Model WFG612SC comes in two gas types – Natural
Gas and Propane. Model WFG612WC only comes in
Natural Gas.
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
PROPANE
Supply pressure
at inlet to
appliance
regulator (if
fitted)
1.13kPa
minimum
2.75*kPa 2.75*kPa
Operating
pressure at
appliance
test point for
WFG612
1.00kPa – 2.75kPa
Operating
pressure at
appliance
test point
for WFE512,
WFE614, WFE612
& WFE616
1.00kPa 2.60kPa –
*Some models do not require an appliance regulator
for LPG or Propane 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.
Models WFE512, WFE614, WFE612 & WFE616
The following table shows the injector sizes for each
burner.
INJECTOR ORIFICE NATURAL
GAS
UNIVERSAL
LPG
Low heat burner 1.00mm 0.55mm
Medium heat burner 1.35mm 0.70mm
High heat burner 1.60mm 0.90mm
Operation on SNG (WFG612 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.
Intense heat wok burner 1.75mm 1.00mm
Models WFG612
The following table shows the injector sizes for each
burner.
INJECTOR ORIFICE NATURAL
GAS
PROPANE
Low heat burner 1.00mm 0.62mm
Medium heat burner 1.35mm 0.82mm
High heat burner 1.60mm 0.95mm
Intense heat wok burner 1.75mm 1.00mm
Oven – main injector 1.60mm 0.95mm
Grill 1.50mm 0.82mm
Oven – bypass screw 0.73mm 0.45mm
Checking pipe size
To work out a suitable pipe size for connection use:
• The information in this table.
GAS TYPE NATURAL
GAS
UNIVERSAL
LPG
PROPANE
Hourly gas
consumption for
WFG612
63.3MJ/h – 61.5MJ/h
Hourly gas
consumption
for WFE614,
WFE612 &
WFE616
40.4MJ/h 34.4MJ/h –
Hourly gas
consumption for
WFE512
37.3MJ/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, AS/NZS
5601.1 will help you with this matter.
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