Model Code for the use of shutter doors

Human control: the shutter doors shall be attached to the handle or chain, in order to switch with a manually operated roller shutter doors during power outages.

Second, the moving speed

1, the switching of the shutter speed shall not exceed 0.2 meters per second.

2, by its own weight to close the shutter to the available governor control the closing speed of not more than 0.2 meters per second.

Third, the power supply and grounding: roller shutter device electrical wiring devices must comply with the Electricity Ordinance (Cap. 406) and its subsidiary regulations. Metal part of the shutter device, shall be properly grounded.

Fourth, the button

1, movement of the shutter should be continued  buttons control, that is, only when the button to manually hold down the shutter doors will continue to move. Each button must have the appropriate color and description, to identify its function.

2, near the shutter doors to be equipped with an emergency stop button, in order to stop the movement of the shutters when necessary. Emergency stop buttons must be red winter mushroom head type, and shall indicate its role.

3, the switch button of the shutter doors must be installed in children's reach, at least up to 1.68 m height from the ground better. If you can not reach the minimum height restriction off button shall be located within the lockbox, and often locked up, or replaced with a key switch.

4, the operation control button, have to clearly see the shutter doors the entire range of movement.

(Source: electric roller shutter doors , http://www.shdayu.net )

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