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MADELL QK857D

Product catalog summary

Summary of Product
Specifications: The Madell QK857D is a digital display CPU-controlled hot air rework station with a power consumption of 580W. It features a DC motor double vortex blower with a maximum air volume of 100 l/min and a temperature range of 100℃ to 450℃. The noise level is below 78dB.
Features: The station includes a closed-loop sensor feedback system for stable temperature control, a wide range of hot air volume adjustment, and an automatic cooling feature to extend the heating element's life. It is compact and space-efficient.
Applications: Suitable for soldering and desoldering SMD components and other tasks like heat shrinkage and paint removal.

Installation and Operation
Handle Holder Assembling: Instructions for assembling the handle holder using screws.
Operational Guide: Steps for operating the station, including setting the temperature and air volume, and ensuring the handle is placed back on the holder when not in use to activate automatic cooling.

Temperature Setting
Instructions on adjusting the temperature using the knob, with notes on standby mode and sensor errors.

Safety Considerations
Important safety precautions include using a grounded power outlet, keeping the unit away from flammable materials, and ensuring the air outlet is clear. The unit should not be operated with wet hands.

Replacement of Heating Element
Detailed steps for replacing the heating element, including disassembling the handle and reconnecting the new heater.

Replaceable Parts
A list of replaceable parts with part numbers and descriptions, including the air pump, heater, transformer, handle assembly, and nozzles.

Catalog excerpts

MADELL QK857D DOUBLE VORTEX SOFT BLOWER HOT AIR REWORK STATION OPERATION and MAINTENANCE MANUAL Digital display CPU controlled temperature Power consumption Air pump Air volume Temperature range DC Motor, double vortex blower 100 l/min(Max) 100℃--450℃ Digital display（resolution 1℃） Length of handle assembly Noise

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1-2.Features 1.Closed loop sensor feedback, temperature is controlled by zero voltage triggering mode and is not affected by air volume. Powerful, rapid heating up, accurate and stable. 2.Wide range of hot air volume adjustment. 3.Electromagnetic inductor switch inside the handle starts the hot air when the handle is picked up. The rework station is set to an idle mode when the handle is placed back to the holder. 4.Increased heating element life and safety with built in automatic cooling feature. 5.Compact design, occupy less space. 1-3.Applications 1.Suitable for soldering and desoldering various...

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l.Place the handle on the holder. 2.Plug the power cord into the power socket of the unit. 3.Supply power to the rework station. 4.Select and mount appropriate nozzle. 5.Set power switch to ” I” position, the unit will start working. 6.Set temperature as needed. 7. Pick up the handle, the unit should start working immediately. Set appropriate air volume and start your work when temperature remains stable. 8. Hot air gun must be put back on the holder whenever not used. Meanwhile, the hot air will be cut off and cold air starts to cool the heating element automatically. The unit will be in idle...

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modify the power plug or use an ungrounded power socket. If an extension cord is necessary, use only a 3-wire extension cord that provides grounding. To prevent accidents and failures, be sure to observe the following precautions: 1. The air outlet and surrounding maybe very hot. Please take great care against being hurt. 2.The hot air gun must be put on the holder. Never place it on table or other places. 3.Make sure air outlet is clear without any objection. 4.The unit can be turned off only when it cools below 100℃. 5.Keep the nozzle at least 2mm from the part being heated. 6.Disconnect power...

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* Specifications and design subject to change without notice.

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All Madell Technology catalogs and technical brochures

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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