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DEVOLA DV20LWF - User Manual

DEVOLA DV20LWF
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DEHUMIDIFIER INSTRUCTION MANUAL
Model (s):
DV16L/DV16LWF
DV20L/DV20LWF

Questions and Answers

Summary

Safety Precautions

R290 Refrigerant Safety

Highlights R290 properties and critical safety measures due to its flammability.

Flammability and Leak Detection

Explains R290 flammability, lack of odor, and procedures for suspected leaks.

For Your Safety

Operational Precautions Overview

Lists essential precautions to reduce risks of fire, electric shock, or injury during operation.

Safety Precautions on Servicing

Technician Qualification

Specifies required certification for personnel working on refrigerant circuits.

Servicing Guidelines and Work Procedures

Emphasizes manufacturer recommendations and outlines controlled work procedures.

Work Area Safety

Outlines general work area safety, including instruction and confinement precautions.

Refrigerant Detection

Details checking for flammable atmospheres using appropriate leak detection equipment.

Fire Safety and Ignition Control

Requires fire extinguishers and prohibition of ignition sources during hot work.

Ventilation and Equipment Checks

Stresses adequate ventilation and checks for refrigeration equipment, charge size, and markings.

Electrical Device Servicing Checks

Covers safety checks for electrical components: capacitors, wiring, and earth bonding.

Installation

Location Selection

Guidance on selecting a suitable location, including clearance and surface requirements.

Unsuitable Installation Locations

Lists locations to avoid: heat sources, water splashes, direct sunlight, poor ventilation.

Room Size and Gas Leak Warnings

Warns about room size requirements and avoiding areas with potential flammable gas leaks.

Operating the Device Safely

Settings

Drainage

Continuous Drainage Setup

Maintenance

Air Filter Cleaning Procedure

Details importance, frequency, and method for cleaning the air filter to maintain efficiency.

Troubleshooting

Unit Not Operating

Checks for power, water level, temperature, and air filter when the unit is unresponsive.

Water Leakage Solutions

Offers solutions for water leakage, including drain hose kinks and unit positioning.

Error Code Explanations

Lists common error codes (E2, CL, CH, LO, HI) and their meanings or normal status.

Overview

This document serves as the instruction manual for Devola dehumidifiers, specifically models DV16L/DV16LWF and DV20L/DV20LWF. The device is designed to remove excessive moisture from the air, thereby reducing relative humidity and protecting buildings and their contents from the adverse effects of excess humidity. It utilizes R290 (propane) as a refrigerant, which is environmentally friendly with no damaging influence on the ozone layer (ODP) and a negligible greenhouse effect (GWP). Due to the flammability of R290, special precautions are outlined for its use and servicing.

Function Description:

The Devola dehumidifier operates by drawing in moist air, passing it over a cooling coil where moisture condenses, and then releasing drier air back into the room. The collected water is stored in a water tank or can be continuously drained via a hose. The unit features a digital display that indicates ambient humidity using a three-color system: blue for humidity below 45%, green for humidity between 45% and 65%, and red for humidity above 65%.

Important Technical Specifications:

  • Refrigerant: R290 (Propane) - flammable.
  • Dehumidification Capacity: Up to 20L/day.
  • Water Tank Capacity: 4L.
  • Operating Temperature Range: 5°C to 35°C.
  • Room Size Requirement: Install in rooms exceeding 4m² for safety due to the flammable refrigerant.
  • Power Source: Must be operated from a power source of equal voltage, frequency, and rating as indicated on the product rating label, and always use a grounded power outlet.

Usage Features:

  • Control Panel: Features buttons for Speed, Sleep/Reset, Lock, Timer, Mode, and Stand-By.
  • Modes:
    • Auto Mode: Automatically adjusts humidity levels. The fan and compressor start when environmental humidity is ≥ +3% of the set humidity and stop when it's ≤ set humidity -3%. Both fan speed and humidity can be adjusted in this mode.
    • Continuous Drying Mode: The machine runs continuously, and humidity cannot be adjusted.
    • Sleeping Mode: Activates the sleep function. Press and hold the sleep button for 3 seconds to reset the filter.
  • Humidity Adjustment: Humidity levels can be set in increments from 30% to 80% using the Up and Down buttons.
  • Timer Function: A 0-12 hour timer can be set in 1-hour increments to turn the machine on or off. "00" cancels the timer.
  • Fan Speed: Two speed settings (high and low) are available, adjustable only in automatic mode.
  • Child-Lock Function: Press and hold the lock button for 3 seconds to activate/deactivate. It automatically cancels if the device is shut down or in case of power failure.
  • Auto-Defrost: Automatically defrosts at low temperatures.
  • Auto Shut-off/Auto Restart: The unit automatically shuts off when the water tank is full and restarts once the tank is emptied and reinstalled. It also restarts in the last selected mode after a power interruption.
  • Protective Delay: A 3-minute time delay for the compressor before resuming dehumidification.
  • Laundry Drying Function: Specific function for drying laundry.
  • Wi-Fi Function (DV16LWF and DV20LWF only): Allows operation via the "Smart Life-Smart Living" app (available for Android and iOS). Requires a permanent Wi-Fi connection to a router. The Wi-Fi indicator flashes rapidly when pairing and illuminates when connected.
  • Water Drainage:
    • Manual Draining: Emptying the 4L water tank when full. The unit buzzes and the "Water Full" light turns on.
    • Continuous Drainage: Connecting a PVC pipe to the drain outlet to direct water to a floor drain, outdoor area, or bucket. The drainpipe must be firmly connected and positioned lower than the outlet to prevent blockages and overflow.

Maintenance Features:

  • Air Filter Cleaning: The antibacterial filter should be cleaned every two weeks. Dust accumulation restricts airflow, reducing efficiency and potentially damaging the unit. The filter is removable and can be rinsed under running water or vacuumed. The unit should not be operated without the air filter.
  • Water Tank Cleaning: The water tank should be cleaned regularly with clean water. Avoid using detergents, steel wire balls, chemical dust removers, diesel, benzene, diluents, or other solvents, as these can damage the tank and cause leaks.
  • General Maintenance: Before any cleaning or maintenance, the unit must be turned off and unplugged from its power source to avoid electric shock.
  • Servicing: Only qualified technicians holding a current valid certificate from an industry-accredited assessment authority should service the refrigerant circuit. Work should be undertaken under controlled procedures to minimize ignition risk, with proper ventilation and fire extinguishing equipment available. Checks for refrigerant presence using appropriate detectors are necessary. Electrical components should be fit for purpose and follow manufacturer guidelines.

Safety Precautions:

  • Intended for domestic and light commercial use in safe environments.
  • Can be used by children aged 8+ and individuals with reduced capabilities under supervision.
  • Children under 8 should not play with or clean the appliance.
  • Do not discharge refrigerant into the atmosphere.
  • R290 is flammable and heavier than air; it collects in low areas.
  • If a leak is suspected, evacuate the area and contact the fire department. Do not re-enter until advised by a qualified technician.
  • No open flames, cigarettes, or ignition sources near the unit.
  • Component parts are designed for propane and are non-incentive and non-sparking; replace only with identical repair parts.
  • Do not operate with a damaged supply cord.
  • Disconnect from power during maintenance.
  • Do not operate with wet hands or expose to rain/moisture.
  • Do not immerse, tilt, or turn over the unit.
  • Do not unplug by pulling the power cord or while operating.
  • Do not use extension cords or adapter plugs.
  • Do not put objects on, climb, or sit on the unit.
  • Do not insert fingers or objects into the air outlet.
  • Do not touch the air inlet or aluminum fins.
  • Do not operate if dropped, damaged, or showing signs of malfunction.
  • Do not clean with chemicals.
  • Keep away from fire, inflammable, or explosive objects.
  • Install according to national wiring regulations.
  • Do not use means to accelerate defrosting other than recommended.
  • Store in a room without continuous operation sources (open flames, gas appliances, electric heaters).
  • Store to prevent mechanical damage.
  • Do not pierce or burn the unit.
  • Be aware that refrigerants may not contain an odor.
  • Pipework should be protected from physical damage and not installed in unventilated spaces smaller than 4m².
  • Keep ventilation openings clear.
  • Store in a well-ventilated area corresponding to the specified room size.

DEVOLA DV20LWF Specifications

General IconGeneral
BrandDEVOLA
ModelDV20LWF
CategoryDehumidifier
LanguageEnglish

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