Original operating instructions Information about the documentation About this documentation • Read this documentation before initial operation or use. This is a prerequisite for safe, trouble-free handling and use of the product. • Observe the safety instructions and warnings in this documentation and on the product. •...
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The type designation and serial number are printed on the rating plate. ▶ Write down the serial number in the table below. You will be required to state the product details when contacting Hilti Service or your local Hilti organization to inquire about the product. Product information...
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§ Intended use The DD AF-CA L auto-feed unit, a type DD 150-U diamond core drilling machine and a type DD-ST 150-U CTL drill stand together form a diamond core drilling system suitable for wet core drilling in mineral materials.
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To ensure a stable Bluetooth connection there must be a clear line of sight between the connected devices. Bluetooth functions of this product • Service and status messages of the paired Hilti devices are shown on the display. • Communication with the paired diamond core drilling machine in automatic drilling operation.
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Items supplied Auto-feed unit, operating instructions Other system products approved for use with this product can be found at your local Hilti Store or at: www.hilti.group EMERGENCY STOP switch The EMERGENCY STOP switch enables you to stop the drilling operation immediately in emergency situations.
▶ Use only anchors suitable for the base material and comply with the anchor manufacturer's instructions. Before installing the auto-feed unit, check the following points: • The carriage of the drill stand has a mounting interface for a Hilti auto-feed unit. • The hand wheel has been removed from the carriage of the drill stand.
Pair the auto-feed unit only to a diamond core drilling machine recommended by Hilti. The supply voltage must match the ratings stated on the rating plate of the diamond core drilling machine.
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▶ For safe operation of the auto-feed unit, also study and follow all instructions relating to safety and operation in the operating instructions of the diamond core drilling machine! ▶ In operation with the auto-feed unit, the buttons on the diamond core drilling machine can be assigned context-specific functions.
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You can set the following parameters: Power reduction In overload situations on the jobsite, the system's power draw can be reduced. This means that drilling can continue without interruption. Reducing current consumption is comparable with reducing contact pressure when using the diamond core drilling machine in manual mode. There is a choice of 3 settings: 1.
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The following preconditions must be fulfilled: • The auto-feed unit is mounted correctly on the drill stand. • The auto-feed unit and the diamond core drilling machine are paired and the Bluetooth connection is established. • The continuous-running lock on the diamond core drilling machine is activated. •...
To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables. Spare parts, consumables and accessories approved by Hilti for use with the product can be found at your local Hilti Store or online at: www.hilti.group.
Troubleshooting If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by yourself, please contact Hilti Service. Product is not in working order Malfunction...
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▶ Cancel the emergency stop by pulling up the EMERGENCY STOP switch. → page 18. ▶ If the problem persists, consult Hilti Service. The drilling operation slows or The diamond core bit is defective ▶ Sharpen the diamond core bit stops.
Most of the materials from which Hilti tools and appliances are manufactured can be recycled. The materials must be correctly separated before they can be recycled. In many countries, your old tools, machines or appliances can be returned to Hilti for recycling. Ask Hilti Service or your Hilti representative for further information.