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DAN DRYER Loki - User Manual

DAN DRYER Loki
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USER MANUAL
LOKI HAND DRYER
Model: 4000 - 4007

Questions and Answers

  • R
    Regina PerezAug 13, 2025
    Why is my DAN DRYER Loki very loud and not running for a complete cycle?
    • J
      johnjonesAug 14, 2025
      The DAN DRYER Dryer might be excessively loud and fail to complete its cycle if the input voltage is too high. Make sure the supply voltage is correct by verifying the voltage requirement on the unit's rating label and adjusting accordingly. If the PCB is damaged, replace both the unit and the IR sensor.
  • T
    Theresa HallAug 17, 2025
    What to do if my DAN DRYER Loki Dryer runs, but the airspeed is low?
    • M
      Megan Arnold MDAug 17, 2025
      If your DAN DRYER Dryer runs but the airspeed is low, it might be due to low input voltage. Ensure that the supply voltage is correct and verify the voltage requirement on the unit rating label.
  • A
    Andrew RossAug 21, 2025
    What to do if my DAN DRYER Loki does not run?
    • I
      ialvarezAug 21, 2025
      If your DAN DRYER Dryer isn't running, first check that the breaker supplying power to the dryer is working. If the breaker is fine, disconnect the power, remove the cover, and, taking precautions to avoid electric shock, reconnect the power. Then, check for voltage on the terminal block and verify that the connections are correct.
  • V
    Virginia BrownAug 25, 2025
    What to do if my DAN DRYER Loki cycles by itself and runs constantly?
    • W
      William MorganAug 26, 2025
      If your DAN DRYER Dryer is cycling by itself and running constantly, ensure that there are no obstructions on or in front of the IR sensor. Clean any dirt off the sensor lens. If the problem continues, replace the sensor.
  • K
    Kelsey CabreraAug 29, 2025
    Why does my DAN DRYER Loki blow only cold air during a full cycle?
    • A
      Amanda SimmonsAug 29, 2025
      If your DAN DRYER Dryer blows only cold air during a full cycle, disconnect the power, remove the cover, and disassemble the blower/fan unit. Test the thermostat for an open circuit and check the heating element for defects. Replace any defective heating element.
  • G
    guzmantimothySep 1, 2025
    How to fix low air pressure in my DAN DRYER Loki?
    • J
      Janice MartinSep 1, 2025
      To address low air pressure in your DAN DRYER Dryer, start by checking the output nozzle for any obstructions. If none are found, disconnect the power, remove the cover, and clear any dirt from the inlet. Then, disassemble the blower/fan unit and inspect the motor brushes for wear (ensure at least 10 mm of graphite remains). Replace the brushes if necessary.
  • D
    Daniel DavisSep 5, 2025
    What to do if my DAN DRYER Dryer gets hot, but there is no air stream?
    • J
      Jennifer Wheeler MDSep 5, 2025
      If your DAN DRYER Dryer gets hot but doesn't produce an air stream, disconnect the power, remove the cover, and disassemble the blower/fan unit. Replace the motor.
  • M
    matthew75Sep 8, 2025
    What to do if the IR-sensor detects only close range objects on my DAN DRYER Loki Dryer?
    • D
      Donald HillSep 8, 2025
      If the IR sensor on your DAN DRYER Dryer only detects objects at close range, first ensure that there are no obstructions on or in front of the IR sensor and clean any dirt off the sensor lens. If the issue persists, disconnect the power, remove the cover, and, taking precaution to avoid shock hazard, reconnect the power. Carefully adjust the sensitivity range (yellow slot in blue component on PCB). If the problem continues, replace the IR sensor.

Summary

Dimensions and Technical Specifications

Product Types and Models

Lists different LOKI hand dryer models based on finish and voltage.

General Safety Information

Circuit Diagram

Installation

User Guide

Recommended Installation Height

Specifies optimal mounting heights for different user groups.

Cleaning and Maintenance

Warm Air Speed Adjustment

Heating Element Switch

Sensor Range Adjustment

Troubleshooting and Corrective Actions

Troubleshooting First-Time Installed Dryers

Identifies and resolves issues with newly installed LOKI hand dryers.

Troubleshooting Used Hand Dryers

Addresses common problems encountered with existing LOKI hand dryers.

Parts List

Overview

The DAN DRYER LOKI Hand Dryer, models 4000-4007, is a modern, no-touch hand drying solution designed for efficiency and hygiene in various environments. This user manual provides comprehensive guidance on its installation, operation, maintenance, and troubleshooting, ensuring optimal performance and user safety. The LOKI hand dryer is suitable for indoor use and is available in several finishes, including brushed stainless steel, white powder-coated stainless steel, black powder-coated stainless steel, and custom RAL colors, allowing it to blend seamlessly with diverse interior designs.

Function Description

The LOKI hand dryer operates on a no-touch principle, promoting a hygienic hand-drying experience. When hands are placed under the outlet, the infrared sensor detects their presence and automatically activates the warm air stream. The dryer is designed to efficiently remove excess water from hands, with users encouraged to rub their hands lightly and rapidly during operation for best results. The unit automatically stops once hands are removed from the sensor's range, conserving energy and preventing unnecessary operation.

The core function of the LOKI hand dryer revolves around its powerful motor and heating element, which work in conjunction to deliver a high-speed, warm air output. The air speed is adjustable, allowing for customization based on user preference or environmental conditions. Similarly, the heating element can be switched on or off, providing the flexibility of warm or ambient air drying. This adaptability makes the LOKI hand dryer suitable for different climates and user comfort levels. The sensor range is also adjustable, ensuring reliable activation across various installation heights and sink distances, minimizing false activations or missed detections.

Usage Features

The LOKI hand dryer is designed for straightforward and intuitive use. Its no-touch operation is a key feature, enhancing hygiene by eliminating the need to touch any surfaces to activate the dryer. To use the dryer, individuals simply need to shake off excess water from their hands and then place them under the air outlet. The infrared sensor will detect the hands and initiate the drying cycle. For optimal drying, users should rub their hands lightly and rapidly under the air stream. The dryer is equipped with an automatic shut-off mechanism that activates once hands are removed, ensuring energy efficiency and preventing continuous operation.

Installation of the LOKI hand dryer requires careful attention to safety and proper wiring. It must be installed by qualified personnel and connected to a 3-wire service with a ground wire. The manual provides recommended installation heights for various user groups, including men, women, children of different age ranges, and wheelchair users, ensuring accessibility and comfort for all. It is advised not to install the product less than 300 mm above a washbasin, tabletop, or other surface to ensure proper sensor function and prevent water splash issues. The unit's design allows for easy removal of the cover for internal adjustments and maintenance, which are crucial for its long-term performance.

The LOKI hand dryer offers several adjustable features to fine-tune its operation:

  • Warm Air Speed Adjustment: The air speed output can be adjusted using a VR potentiometer located inside the unit. A Phillips screwdriver or flat notch can be used to turn the potentiometer clockwise to increase air speed or counterclockwise to decrease it. This allows for customization of the drying intensity.
  • Heating Element Switch: The heating element can be toggled on or off via a switch located on the timer inside the unit. A flat screwdriver can be used to slide the switch to "ON" for warm air or "1" for ambient air (heating element off). This feature provides flexibility in energy consumption and user comfort, especially in different seasons or climates.
  • Sensor Range Adjustment: The infrared sensor's activation range is adjustable between 100mm and 230mm, with a standard range of 130mm ± 20mm. This adjustment is made using a potentiometer, turning it clockwise to increase the sensor activation range and counterclockwise to decrease it. This allows installers to optimize the sensor's sensitivity based on the environment, such as ambient light conditions and the distance to the bottom of the sink, preventing unintended activations or ensuring reliable detection. It is important not to overturn the sensitivity adjustment.

Maintenance Features

Regular cleaning and maintenance are essential to ensure the longevity and optimal performance of the LOKI hand dryer. The manual outlines a clear procedure for maintenance, emphasizing safety precautions. Before any cleaning or maintenance, it is crucial to disconnect the electrical supply to the unit to prevent electrical shock.

The maintenance process involves:

  1. Removing the Cover: The two cover-mounting screws must be removed, allowing the cover to be detached.
  2. Internal Cleaning: Once the cover is off, the interior of the dryer should be cleaned to remove any accumulated dust or debris. This helps maintain airflow and prevents potential blockages that could affect performance.
  3. External Cleaning: The exterior of the dryer should be cleaned with a damp cloth and a mild cleaning solution. It is explicitly stated that abrasive cleaning detergents should never be used, as they can damage the finish of the unit. The dryer should also not be soaked in water.
  4. Replacing the Cover: After cleaning, the cover should be carefully replaced, and the mounting screws should be tightened. The manual advises against overtightening the screws to prevent damage to the unit.

Troubleshooting guidance is also provided to address common issues that may arise during the hand dryer's operation. These issues are categorized into problems encountered with first-time installed hand dryers and those with used hand dryers. For instance, if the dryer does not run, the first step is to check if the breaker supplying the dryer is operational. If the dryer cycles by itself or runs constantly, it suggests checking for obstructions on or in front of the IR sensor and cleaning the sensor lens. If the dryer is excessively loud or does not complete a full cycle, verifying the supply voltage is recommended, as incorrect voltage can lead to humming noises or damage to the PCB. Low airspeed issues also point to checking the supply voltage.

For used hand dryers, troubleshooting steps include replacing the PCB and IR sensor if the dryer does not run, and checking for obstructions or adjusting the sensitivity range of the IR sensor if it only detects close-range objects. If the dryer gets hot but produces no air stream, the blower/fan unit or motor may need replacement. If only cold air is blown during a full cycle, the thermostat or heating element should be checked for defects. Low air pressure issues may require checking the output nozzle for obstructions, cleaning the inlet, or inspecting the motor brushes for wear. These detailed instructions empower users or qualified technicians to diagnose and resolve common operational problems, ensuring the hand dryer remains in excellent working condition.

DAN DRYER Loki Specifications

General IconGeneral
TypeHand Dryer
ActivationAutomatic
MaterialStainless Steel
Frequency50/60 Hz
Drying time10-15 seconds