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Hoist Installation and Wiring

Hoist Installation and Wiring

Installation of the Hoist:

The hoist is designed with simplicity in mind. It is slim, fairly light (depending on model), has a steel base plate, making it sturdy and solid and is a completely integral unit. There are no ‘loose’ components, the wire rope cable drum is internal and there is no lowering of or coiled electric cable. Your hanging fixture is plugged in when fully raised and unplugged when lowered, making it safe to work on when in the lowered state. The hoist system therefore is very flexible to almost any situation.

It is designed to be installed either flush to the ceiling (in line-of-sight), where you may find the hoist cover plate (figure 1), sold separately, useful for cosmetic reasons, or in a void space such as, in between floors, in an attic/loft or in a false ceiling (non-line-of-sight). Figure 1: Hoist Cover Plate
Figure 1

1. To secure the Hoist:

Bolt securely, in all four corners, using the predrilled holes in the steel base plate.

The hoist can be bolted directly to a concrete or steel structure or alternatively can be hung on brackets made especially for the job. Alternatively it is possible on smaller scale jobs to use a ‘box-in’ arrangement to simply hold the hoist in place and stop it from moving – this method isn’t recommended but is a viable solution when the hoist isn’t due to hold a lot of weight. Figure 7 shows an example of how a hoist can be mounted.

Figure 2: Connection Block
2.
Hoist Wiring Guide

There is a black connection block coming from the hoist system (figure 2), labelled ‘L1, L2, N and PE’, into this, the supply for the hoist and fixture to be hung are wired. Removal of this block or alteration of the wiring from it to the hoist will void your warranty. Your fixture draws its power through the hoist – there is not a separate connection for your fixture.

  • L1 (red wires) – is the live wire for the hoist and L1 on the connection plate;
  • L2 (blue wire) – is the live for L2 on the connection plate;
  • N (black wires) is the common neutral for the hoist, L1 and L2 on the connection plate;
  • PE (green and yellow wire) – is the earth for both the hoist and hanging fixture.

Figure3a: The Connection Plate Figure 3b: The Connection Plate

3. Recommended Wiring:

The connection plate (displayed in figure 3) at the base of the hoist has three male connectors L1, L2 and N, giving you the ability to create two separately switched circuits. For example allowing you to turn tier one and tier two of a chandelier on separately. If you only require one switched circuit use L2, this will allow you to use the L1 circuit solely for the hoist, allowing you to switch it off completely when not in use.

Our recommendation for wiring these units, for best results is below:

i) Add a single new circuit breaker for the hoist (and hanging fixture), to your consumer unit (breaker board). Size dependant on model (ratings shown in 3.iv) and to be determined by an electrician, as should the appropriate wire type for use throughout the installation.

ii) We recommend a ‘D’ class breaker to handle the normal motor start-up spike.

Please note: L1 and L2 cannot be wired to separate breakers due to them sharing a neutral. The common neutral means you will not be able to isolate either supply individually, which means there is a risk of electric shock if wired to multiple breakers.

    • If wiring for multiple units give each exclusive use of its own breaker.

iii) Switch both lives. If your light fixture is to be switched with only one circuit (hanging fixture plugged to L2 only), switch L2 with a light switch (as per the lighting in the rest of your building) and switch the L1 feed with a key switch placed in a secure area or as per your preference. If you intend to use two circuits with your fixture (L1 and L2 on the connection plate), add light switching to both lives.

Figure 4 is intended to give you a sample idea of how to wire your unit.

Figure 4: A Guide for Installation

iv) The hoists have the following required ratings, so cable and breakers should accommodate:

Models AN2 and AN3 require 4kW power and 18A current

Model AN4 requires 6kW power and 36A current

Model AN5 requires 8kW power and 36A current

4. Attaching your Hanging Fixture:

Your fixture is attached to the connection plate using the included D shaped shackle (as shown in figure 6).

· It is recommended that you use some thread lock adhesive on the threaded boss (screwed into the connection plate), as an added security.

If you are not mounting your hoist flush to the underside of your ceiling, you can bridge the gap between the underside of the ceiling and the position of your hoist with a few links of chain (see figure 7).

 
 

Figure 6: Shackle & Connection Plate
Figure 7: Bridging the gap between the hoist and the underside of the ceiling.

To provide power to your fixture connect to the male connectors on the underside of the connection plate using the blue female crimp connectors provided.

When the connection plate is fully raised the male connector pins on the underside of the connector plate will be LIVE, do not touch.

If the hoist is connected to an electrical supply the brass pins where the connector plate rises to will also be LIVE, do not touch.

Figure 8b shows the connector rings on the back of the connector plate.

 

Figure 8a: Connection Plate Contacts
Figure 8b: Back of the Connector Plate


5. Weight Safety Test:

To test the integrity of your hoist installation you should carry out a weight test. This test is more to test the fixings holding your hoist system rather than the hoist itself which has been tested during manufacturer.

Warning – Do not stand underneath the hoist when carrying out a safety test

Process: fit a suitable vessel to hold the testing weights, to the connector plate on the hoist using the D shackle on the hoist. Lower the hoist so the vessel sits just above the floor. Add the safety test weights. Do not stand under the hoist whilst adding the weights. The hoist will not operate whilst overloaded. Check the gap under the vessel remains constant after the test weights have been added. Leave for 30 minutes. Remove the weights, check the operation of the hoist and visually inspect the fixings. Remember, the hoist will only work with a minimum of 5kg hanging on it.

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