18
Step 3 - The disposer is now ready for the plumbing, and electrical connections.
1. It may be that some adjustments to the relative positions of any existing waste system being
utilised, and the waste outlet from the unit will have to be made.
2. The bottom half of the disposer can be rotated independently of the hopper section.
3. To achieve this slightly slacken off the six hex head screws around the underside rim of the
hopper, rotate the lower section of the unit to the required position and tighten the six screws
(see Fig. 2b) care must be taken to check that the hopper seal is not disturbed.
The plumbing and electrical connections are to be made in conformity with the General lnstructions on
page 19. Check that nothing has been dropped into the unit during installation, (screws, tools, wire etc.)
insert the Magnitop Plug into the sink outlet and turn to the “SEAL” position. To test the installation half
fi ll the sink with water and check for leaks around the underside of the sink. Turn the Magnitop plug to the
“DRAIN” position and check all joints for leaks as the water runs to waste. Finally, set the switch on the
front of the control of the unit to the “ON” position (Fig.3d). Please note that the switch is not used to
activate the machine and is merely supplied as a means of reversing cutting rotation.
It is important that the following points are observed for correct installation:
1. Ensure that the dimple in the sink bush (1) and the notch in the suspension plate (5)
are located together.
2. Ensure that the line to the left of the “GRIND” position stamped on the sink bush is at 9 o’clock
in the sink.
3. Attach the disposer to the sink bush assembly with the control box facing the front 6 o’clock position.
ELECTRICAL
Before commencing the installation it is necessary to provide an electrical supply adjacent to the sink in an
accessible position. It is imperative that the supply is of the correct voltage and frequency for the machine
being fi tted and that an adequate earth is provided.
The appliance must be installed in accordance with I.E.E regulations. The unit must be connected to the
supply by means of a non-detachable fl exible cord. Means for disconnection must be incorporated in the
fi xed wiring, ideally via a 13amp double pole switched spur, with contact separation of at least 3mm in all
poles. Should the standard fl exible cord need to be replaced this should be obtained from the manufacturer.
All replacement cords must be fi tted by a qualifi ed electrician. When installing the unit, care must be taken
that the overload reset button and Reverse Switch (when fi tted) remain readily accessible. The unit must
be earthed. The wires in the mains lead are coloured in accordance with the following code:
Green and Yellow - Earth
Blue- Neutral
Brown - Live
The current rating of the BS 1362 fuse to be used on this unit is 10A and care should be taken to ensure
that only ATA approved fuses are used.
PLUMBING
The sink must have an 89mm diameter waste hole, and must be fi rmly fi xed to its supporting cabinet unit.
Standard sink bush will accommodate up to a 20mm thick sink, for thicker sinks a range of extended sink
bushes are available. Please contact Tweeny for details. Suffi cient space within the cabinet is required to
allow easy access to the disposal units controls. The unit is provided with a 38mm diameter outlet bend
to which a suitable ‘P’ or ‘S trap must be fi tted. DO NOT USE A BOTTLE TRAP as these are not suitable
for use with waste disposal units.
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