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Do-It-Yourself (DIY) Question & Answer Forum
Roller Shutter Door Safety Cutouts?
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<blockquote data-quote="boltonsparky" data-source="post: 304962" data-attributes="member: 4678"><p>Been to a job today, a commercial kitchen that has a roller shutter door between the kitchen and dining room serving hatch.</p><p></p><p>The roller shutter door had stopped working altogether, they'd had a play with it and basically messed it up (going down with the up button and vice-versa, wouldn't automatically stop at the top or the bottom).</p><p></p><p>Got it working the right way and adjusted the stop switches so it automatically stops at the top and the bottom.</p><p></p><p>There was in the motor box 2 cables wrapped up with brackets on the end going into a box on the side of the electric motor and then out to the control circuits on the back of the motor. They are damaged and don't look like they've ever been connected to this door (it is quiet likely at this location that it is a second hand door or motor mechanism)</p><p></p><p>My question is what are these cables and levers for? My suspicion is they are some kind of load switch that cuts the power if there is something or someone trapped in the roller shutter during lifting or closing of the shutter, are my suspicions correct and is there a reg somewhere that means there has to be an emergency cutout in the event of someone being trapped?</p><p></p><p>They are not part of the manual override mechanism for if the motor fails this is a separate unit. </p></blockquote><p></p>
[QUOTE="boltonsparky, post: 304962, member: 4678"] Been to a job today, a commercial kitchen that has a roller shutter door between the kitchen and dining room serving hatch. The roller shutter door had stopped working altogether, they'd had a play with it and basically messed it up (going down with the up button and vice-versa, wouldn't automatically stop at the top or the bottom). Got it working the right way and adjusted the stop switches so it automatically stops at the top and the bottom. There was in the motor box 2 cables wrapped up with brackets on the end going into a box on the side of the electric motor and then out to the control circuits on the back of the motor. They are damaged and don't look like they've ever been connected to this door (it is quiet likely at this location that it is a second hand door or motor mechanism) My question is what are these cables and levers for? My suspicion is they are some kind of load switch that cuts the power if there is something or someone trapped in the roller shutter during lifting or closing of the shutter, are my suspicions correct and is there a reg somewhere that means there has to be an emergency cutout in the event of someone being trapped? They are not part of the manual override mechanism for if the motor fails this is a separate unit. [/QUOTE]
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Roller Shutter Door Safety Cutouts?
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