Rangemaster 110 GAS FSD Pressure testing, Electrical Connection, Electrical checks, Grill check

IMPORTANT

Flexible hose must be suitable for 70°C rise when the supply connection is above 610mm from the floor. For LPG, a suitable hose for the gas type and pressure must be used.

If in doubt contact, your supplier.

Screw connect the threaded end of the hose into the gas inlet in the underside of the connector block on the back of the cooker.

After completing the gas connection, check the cooker is gas sound with a pressure test. When checking for gas leaks do not use washing up liquid - this can corrode. Use a product specifically manufactured for leak detection.

Pressure testing

The gas pressure can be measured at one of the hotplate burner jets (NOT a Wok burner). Make sure that the cooker is not connected to the electricity supply. Lift off a burner head. Fit the pressure gauge to the jet. Turn on one of the other burners and light it with a match. Turn on the control for the hotplate burner to which the pressure gauge is fitted. Press in the knob to allow the gas through and register the pressure on the gauge.

For Natural Gas cookers the pressure should be 20mbar/25mbar

For LP Gas cookers the pressure should be 28/30mbar for Butane

37mbar for Propane.

Reassemble burner top, making sure it is reassembled in the correct way on the burner body.

Electrical Connection

WARNING: THIS COOKER MUST BE EARTHED.

All external wiring must comply with the Regulations in force and any regulations for the Electrical Equipment of Buildings. Connection to the electrical supply can be made with either a plug and socket or be permanently wired via a double pole switch. The cooker is supplied with a 3 core cable 2m long. If a replacement cable is fitted it must be 250v high temperature PVC (85°C), 1mm2. Should the plug not fit the socket in your home, it should be removed and replaced with a suitable plug. Note: If a plug is fitted which is not suitable, it must be cut off and disposed of properly. To avoid the risk of electrocution, the plug must not be left where children might find it and plug it into a supply socket.

IMPORTANT The wires in the mains lead are coloured in accordance with the following code:-

GREEN AND YELLOW: EARTH

BLUE: NEUTRAL

BROWN: LIVE

Electrical checks

EARTH CONTINUITY CHECK

The cooker must be disconnected from the power supply. Set your meter to (ohm) on the X1 scale and

adjust to zero if necessary.

Test the leads from any of the cooker’s earth points (e.g. inside electric box cover) - to the earth pin on the cooker’s plug - resistance should be less than 1 (ohm). If it is not, check all the earth wires for continuity. Check that all contacts are clean and tight. Re-check. If the resistance is still greater than

1 (ohm) there may be a problem, consult a qualified electrical engineer.

POLARITY CHECK

The cooker must be connected to the power supply. Your meter should be set on 300V ac scale.

Test at the cooker terminal block:

1.Test leads from L to N. Your meter should read approx. 220-240V ac.

2.Test leads from L to E. Your meter should read approx. 220-240V ac.

3.Test leads from N to E. Your meter should read approx. 0-15V ac.

If the readings are different from these values there is an electrical fault. Rectify any fault and repeat the test. If necessary repeat the test at the supply system socket/spur - if the fault also occurs at this stage then there is a house system fault which requires attention by the Electrical Authority.

The customer should be warned NOT to use the appliance until this examination has been carried out.

Hotplate check

Check each burner in turn. Each burner has a flame safety device (FSD) that stops the flow of gas to the burner if the flame goes out.

For each burner, press ignition switch on facia panel and push in and turn the knob to the solid flame symbol ( ).

Keep holding the knob pressed in to let the gas through to the burner for few seconds. If, when you let go of the control knob, the burner goes out, the safety device has not held in. Turn the control to the off position and wait one minute, then try again this time holding in the control knob for slightly longer.

Grill check

Open the grill compartment door.

There is an FSD which stops the flow of gas to the grill if the flame goes out. Turn the knob to the large flame symbol ( ). Press in the grill knob. This lets gas through to the burner. Keep holding the knob pressed in and press the igniter button or light with a match. Keep holding the button for about 10 seconds

If when you let go of the control knob the burner goes out, the safety device has not held in. Turn off the grill and wait one minute then try again this time holding in the button for slightly longer.

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