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Installing A Domestic Waste Disposal Unit
1) Fitting to sink
Most sinks have a 3.5 Inch outlet to accommodate a waste disposer, if not please contact us as we have adapters to suit other diameters.
The standard sink mounting supplied with the unit will fit the majority of sinks with a thickness of up to 20mm or more.
If your sink is a "Belfast" or similar, check the thickness at the outlet, we can supply extended mountings.
2) Waste Pipe
It is most important that a few basic rules are followed to ensure correct operation. A bad installation will result in pipe blockages, smells and a greatly reduced life expectancy of the unit and may invalidate your warranty.
a) A 'P' or 'S' type trap should be used. Bottle traps must not be used.
b) Stop ends and tee connections should be avoided.
c) The diameter of the pipe work must not be reduced from the disposal unit to the drain. If the run to the drain is long or meandering, it is advisable to increase the diameter to 54mm (2").
d) A fall of 15 Degrees is ideal, it is most important that the unit drains fully.
e) The waste outlet must not discharge over a grate.
f) The connection of a dishwasher or washing machine outlet to the same waste will help to flush the pipe work, our units are supplied with a connection.
3) Electrical supply
Our standard domestic units run on standard household 240 Volt 50 Hz supply (other voltages and frequencies are available on request). We recommend that the supply to the unit is RCD protected and a suitably qualified person makes the connection.
In most kitchens, a supply will be available to a dishwasher or washing machine close to the kitchen sink.
4) Water supply
Water is supplied to the unit from the sink tap, so no changes are necessary.
Updates to Installation Instructions
All Models.
If a you are installing a unit in a commercial kitchen and additional switch is required to disconnect all poles.
31 March 2008.
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