Comfee Dehumidifier Owner's Manual & Installation Manual

Safety Precautions

Read these safety precautions carefully before operating or installing the unit to prevent death, injury, or property damage. Incorrect operation due to ignoring instructions may cause death, harm, or damage.

WARNING: This symbol indicates the possibility of personnel injury or loss of life.

CAUTION: This symbol indicates the possibility of property damage or serious consequences.

• Do not exceed the rating of the power outlet or connection device.
• Do not operate or stop the unit by switching the power on or off.
• Do not damage or use an unspecified power cord.
• Do not modify the power cord length or share the outlet with other appliances.
• Do not insert or pull out the plug with wet hands.
• Do not install the appliance in a location that may be exposed to combustible gas.
• Do not place the unit near a heat source.
• Disconnect the power if strange sounds, smells, or smoke come from it.
• Never attempt to take apart or repair the unit yourself.
• Before cleaning, turn off the power and unplug the unit.
• Do not use the machine near flammable gas or combustibles, such as gasoline, benzene, thinner, etc.
• Do not drink or use the water drained from the unit.
• Do not take the water bucket out during operation.
• Do not use the unit in small spaces.
• Do not place in areas where water may splash onto the unit.
• Place the unit on a level, sturdy section of the floor.
• Do not cover the intake or exhaust openings with cloths or towels.
• Exercise care when using the unit around infants, children, elderly people, and people not sensitive to humidity.
• Do not use in areas where chemicals are handled.
• Never insert fingers or other foreign objects into grills or openings. Warn children of these dangers.
• Do not place heavy objects on the power cord and ensure it is not compressed.
• Do not climb or sit on the unit.
• Always insert filters securely. Clean filters every two weeks.
• If water enters the unit, turn it off, disconnect the power, and contact a qualified service technician.
• Do not place flower vases or other water containers on top of the unit.
• Do not use extension cords.
• This appliance can be used by children aged 8 and above and persons with reduced physical, sensory, or mental capabilities if given supervision or instruction on safe use and understanding of hazards. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.
• If the supply cord is damaged, it must be replaced by the manufacturer, its service agent, or similarly qualified persons to avoid a hazard.
• Prior to cleaning or maintenance, disconnect the appliance from the supply mains.
• Do not install the appliance in a location exposed to combustible gas, as this may cause fire.
• If the appliance is knocked over, turn it off and unplug it immediately. Inspect for damage. Contact a technician if suspected damage.
• In a thunderstorm, cut off power to avoid lightning damage.
• Do not run the cord under carpeting, throw rugs, runners, or similar coverings. Do not route the cord under furniture or appliances. Arrange the cord away from traffic areas.
• Do not operate the unit with a damaged cord or plug. Discard the unit or return it to an authorized service facility.
• To reduce the risk of fire or electric shock, do not use this fan with any solid-state speed control device.
• Install the appliance in accordance with national wiring regulations.
• Contact an authorized service technician for repair or maintenance.
• Turn off the product when not in use.
• The manufacturer's nameplate is located on the rear panel and contains electrical and technical data.
• Ensure the unit is properly grounded with a three-prong grounding plug.
• Use a properly grounded wall receptacle. If the receptacle is not adequately grounded or protected, have a qualified electrician install a proper receptacle.
• Do not operate the air conditioner in a wet room such as a bathroom or laundry room.
• The unit's circuit board (PCB) has a fuse for overcurrent protection (e.g., T3.15A/250V).

UV-C lamp (If applicable)

This appliance contains a UV-C lamp. Read maintenance instructions before opening.

• Do not operate UV-C lamps outside the appliance.
• Do not operate obviously damaged appliances.
• Unintended use or housing damage may result in dangerous UV-C radiation escape, which can harm eyes and skin.
• Before opening access panels with the ULTRAVIOLET RADIATION hazard symbol for maintenance, disconnect the power.
• The UV-C lamp cannot be cleaned, repaired, or replaced.
• UV-C BARRIERS with the ULTRAVIOLET RADIATION hazard symbol should not be removed.

WARNING: This appliance contains an UV emitter. Do not stare at the light source.

Note about Fluorinated Gasses (If applicable)

Fluorinated greenhouse gases are in hermetically sealed equipment. Refer to the unit's label for type, amount, and CO2 equivalent.

• Installation, service, maintenance, and repair must be performed by a certified technician.
• Product uninstallation and recycling must be performed by a certified technician.

Sociable Remark (European Countries)

DISPOSAL: Do not dispose of this product as unsorted municipal waste. Separate collection for special treatment is necessary. Disposal in domestic household waste is prohibited.

Disposal possibilities:

• Municipal collection systems for electronic waste (often free).
• Retailer take-back of old products (free of charge).
• Manufacturer take-back of old appliances (free of charge).
• Sale of old products to scrap metal dealers.
• Improper disposal endangers health and the environment.

WARNING for Using R32/R290 Refrigerant

• Do not use means to accelerate defrosting or cleaning other than those recommended by the manufacturer.
• Store the appliance in a room without continuously operating ignition sources (open flames, operating gas or electric heaters).
• Do not pierce or burn.
• Be aware that refrigerants may be odorless.
• Install, operate, and store the appliance in a room with floor area appropriate to the refrigerant charge. Refer to the unit label for gas type and amount.
• The room area must be larger than 4 m².
• Observe national gas regulations.
• Keep ventilation openings clear of obstructions.
• Store the appliance to prevent mechanical damage.
• Store in a well-ventilated area corresponding to the room size specified for operation.
• Personnel working on or breaking into a refrigerant circuit must hold a valid certificate of competence for handling refrigerants safely.
• Servicing shall only be performed as recommended by the manufacturer. Maintenance and repair requiring skilled personnel shall be supervised by a person competent in handling flammable refrigerants.
• Store the appliance in a room without continuously operating open flames or ignition sources.

Caution: Risk of fire/flammable materials

Explanation of symbols (For units with R32/R290 Refrigerant)

• WARNING: Appliance uses flammable refrigerant; risk of fire if leaked and exposed to ignition source.
• CAUTION: Read the operation manual carefully.
• CAUTION: Service personnel should handle this equipment with reference to the installation manual.
• i CAUTION: Information available, such as operating or installation manual.

Servicing Flammable Refrigerants

• Transport: Follow transport regulations for equipment containing flammable refrigerants.
• Marking: Comply with local regulations for equipment marking.
• Disposal: Follow national regulations for disposal of equipment using flammable refrigerants.
• Storage: Store equipment according to manufacturer's instructions. Storage protection should prevent mechanical damage and refrigerant leaks. Maximum storage quantities are determined by local regulations.
• Servicing Checks:
• Area Checks: Ensure risk of ignition is minimized before working on systems with flammable refrigerants.
• Work Procedure: Work under controlled procedures to minimize flammable gas/vapor presence.
• General Work Area: Instruct staff on work nature. Avoid confined spaces. Section off workspace. Ensure area is safe by controlling flammable material.
• Refrigerant Presence Check: Check area with appropriate refrigerant detector before and during work. Ensure leak detection equipment is suitable for flammable refrigerants (non-sparking, sealed, intrinsically safe) and calibrated. Set detector to LFL percentage of refrigerant. Avoid detergents containing chlorine. Remove/extinguish naked flames if a leak is suspected. Recover or isolate refrigerant before brazing. Purge system with Oxygen Free Nitrogen (OFN) before and during brazing.
• Fire Extinguisher: Have appropriate fire extinguishing equipment (dry powder or CO2) available for hot work.
• No Ignition Sources: Do not use ignition sources when working on refrigeration systems. Keep ignition sources, including smoking, away from the work area. Survey the area for flammable hazards or ignition risks. Display 'No Smoking' signs.
• Ventilated Area: Ensure area is open or adequately ventilated before breaking into the system or conducting hot work. Maintain ventilation during work to disperse released refrigerant.
• Refrigeration Equipment Checks:
• Ensure electrical components are fit for purpose and to correct specification. Follow manufacturer's maintenance and service guidelines. Consult manufacturer's technical department if in doubt.
• Check refrigerant charge size against room size.
• Ensure ventilation machinery and outlets are operating and unobstructed.
• Check secondary circuit for refrigerant if an indirect refrigerating circuit is used.
• Ensure markings on equipment are visible and legible. Correct illegible markings.
• Ensure refrigeration pipes/components are installed in a position unlikely to be exposed to corrosive substances, or are made of resistant materials or suitably protected.
• Electrical Devices Checks:
• Perform initial safety checks and component inspection procedures. Do not connect electrical supply to a faulty circuit until the fault is rectified. Use adequate temporary solutions if operation must continue. Report faults to the owner.
• Discharge capacitors safely to avoid sparking.
• Ensure no live electrical components or wiring are exposed during charging, recovering, or purging.
• Ensure continuity of earth bonding.
• Repairs to Sealed Components:
• Disconnect all electrical supplies before removing sealed covers. If electrical supply is necessary during servicing, use a permanently operating leak detection system at the most critical point.
• Ensure working on electrical components does not alter casing protection. Avoid damage to cables, excessive connections, non-standard terminals, degraded seals, or incorrect glands. Mount apparatus securely. Ensure seals are not degraded. Use manufacturer-specified replacement parts.
• Note: Silicon sealant may inhibit leak detection. Intrinsically safe components can be worked on live in the presence of flammable atmosphere. Use correctly rated test apparatus. Replace components only with manufacturer-specified parts.
• Repair to Intrinsically Safe Components:
• Do not apply permanent inductive or capacitance loads that exceed permissible voltage and current. Intrinsically safe components are the only ones that can be worked on live in flammable atmospheres.
• Cabling:
• Check cabling for wear, corrosion, excessive pressure, vibration, sharp edges, or other adverse environmental effects, including aging or continual vibration.
• Detection of Flammable Refrigerants:
• Do not use potential ignition sources when searching for or detecting refrigerant leaks. Do not use a halide torch or any detector using a naked flame.
• Leak Detection Methods:
• Use electronic leak detectors for flammable refrigerants. Ensure sensitivity is adequate or recalibrate. Calibrate detectors in a refrigerant-free area. Ensure detectors are not ignition sources and are suitable for the refrigerant. Set detectors to the LFL percentage of the refrigerant. Avoid leak detection fluids with chlorine. Remove/extinguish naked flames if a leak is suspected. Recover or isolate refrigerant before brazing. Purge system with OFN before and during brazing.
• Removal and Evacuation:
• Use conventional procedures for breaking into the refrigerant circuit, but follow best practices due to flammability.
• Procedure: Remove refrigerant; Purge with inert gas; Evacuate; Purge again with inert gas; Open circuit by cutting or brazing.
• Recover refrigerant charge into correct cylinders. Flush the system with OFN to render it safe. Repeat if necessary. Do not use compressed air or oxygen. Flush by breaking vacuum with OFN to working pressure, then vent to atmosphere, and pull down to vacuum. Repeat until no refrigerant remains. Vent final OFN charge to atmospheric pressure before brazing. Ensure vacuum pump outlet is not near ignition sources and has ventilation.
• Charging Procedures:
• Follow conventional charging procedures and additional requirements. Ensure no contamination of different refrigerants. Use short hoses/lines. Keep cylinders upright.
• Earth the refrigeration system before charging.
• Label the system when charging is complete.
• Do not overfill cylinders (max 80% liquid charge). Do not exceed cylinder working pressure.
• After filling, remove cylinders and equipment promptly. Close all isolation valves.
• Recovered refrigerant shall not be charged into another system unless cleaned and checked.
• Decommissioning:
• Technician must be familiar with equipment and its details. Recover refrigerants safely. Take oil and refrigerant samples if analysis is required. Ensure electrical power is available.
• Familiarize with equipment and operation. Isolate system electrically. Ensure mechanical handling equipment, PPE, and supervision by a competent person are available. Recovery equipment and cylinders must conform to standards.
• Pump down system if possible. If vacuum is not possible, use a manifold to remove refrigerant from system parts.
• Ensure cylinder is on scales before recovery. Start recovery machine per manufacturer's instructions. Do not overfill cylinders. Do not exceed cylinder working pressure.
• After filling, remove cylinders and equipment promptly. Close isolation valves. Recovered refrigerant shall not be charged into another system unless cleaned and checked.
• Labelling:
• Label equipment as de-commissioned and emptied of refrigerant, with date and signature. Ensure labels state equipment contains flammable refrigerant.
• Recovery:
• Remove all refrigerants safely for servicing or decommissioning. Use appropriate recovery cylinders. Ensure sufficient cylinders are available. Cylinders must be designated for the refrigerant and labelled. Cylinders require pressure relief valves and shut-off valves. Evacuate and cool empty cylinders before recovery. Recovery equipment must be in good working order with instructions. Use calibrated weighing scales. Hoses must be leak-free. Check recovery machine is satisfactory, maintained, and electrical components are sealed. Consult manufacturer if in doubt. Return recovered refrigerant to the supplier in the correct cylinder with a Waste Transfer Note. Do not mix refrigerants in units or cylinders. Remove compressors/oils after evacuating to acceptable levels to ensure no flammable refrigerant remains in lubricant. Use electric heating on compressor body to accelerate this process. Drain oil safely.

Preparation

Identification of parts

NOTE: Illustrations are for explanation purposes only. Your machine may differ slightly. The actual shape prevails. The unit can be controlled by its panel or a remote controller (not included in this manual).

• Model A(1) / A(2): Front view showing handle, control panel, air outlet grille. Rear view showing air intake grille, water bucket, drain hose outlet, water level window, caster (on some models), and power cord and plug.
• Model B(1) / B(2): Front view showing control panel, quick glance light, handle, air outlet grille. Rear view showing air intake grille, water bucket, drain hose outlet, water level window, caster (on some models), and power cord and plug.
• Model C(1) / C(2): Front view showing control panel, air outlet grille, handle, water bucket. Rear view showing air intake grille, drain hose outlet, water level window, caster (on some models), and power cord and plug.

Design Notice

Design specifications are subject to change without prior notice for product improvement.

Positioning the unit

Ensure optimal performance by following these guidelines:

• Place the dehumidifier on a smooth, level floor strong enough to support the unit with a full water bucket.
• Allow at least 20cm (8 inches) of air space on all sides for good air circulation (at least 40cm / 16 inches on the air outlet side).
• Place the unit in an area where the temperature will not fall below 5°C (41°F), as frost may form on coils and reduce performance.
• Place the unit away from clothes dryers, heaters, or radiators.
• Use the unit to prevent moisture damage in areas where books or valuables are stored, such as basements or closets. Ensure adequate air circulation in and out of enclosed areas like closets.
• Do not use outdoors. This dehumidifier is intended for indoor residential applications only.
• The dehumidifier must be operated in an enclosed area for maximum effectiveness. Close all doors, windows, and other outside openings.

Casters (At four points on the bottom of unit):

• Casters allow free movement.
• Do not force casters over carpet, or move the unit with water in the bucket, as it may tip over and spill water.

When using the unit

• When using Continuous dehumidifying mode, ensure the water hose and drain hose outlet connections are tight to prevent leaks.
• The unit is designed for a working environment between 5°C/41°F and 32°C/90°F, and 30% RH to 80% RH.
• If the unit is switched off and needs to be restarted quickly, wait approximately three minutes for correct operation.
• Do not connect the dehumidifier to a multiple socket outlet used for other appliances.
• Select a suitable location with easy access to an electrical outlet.
• Plug the unit into an earthed electrical socket-outlet.
• Ensure the water bucket is correctly fitted; otherwise, the unit will not operate properly.
• Note: When the water bucket is full, be careful when moving the machine to avoid it falling.

Operating Instructions

Control Panel Features

Note: Control panels shown are for explanation purposes only. Your unit may have slight differences. Actual shape prevails.

The control panel includes indicators and buttons for various functions:

• Indicators: Timer light, Filter reset light, Power light, Lock light, Fan speed indicators (Low, Med, High), HEPA light, Fresh light, Water full light, UV light, Wireless light.
• Buttons: Timer, Mode, Power, Lock, Fan speed, Fresh, UP (+), DOWN (-).

• Power Button: Press to turn the dehumidifier on and off.
• Mode Button: Press to select operation mode: Setting dehumidifying, Dryer, Smart dehumidifying, Continuous dehumidifying, Fan mode (on some models). In Setting dehumidifying mode, the set indicator illuminates. In Continuous, Dryer, and Smart dehumidifying modes, humidity setting cannot be adjusted. In Fan mode, the unit does not dehumidify. If HEPA filter is installed, the unit operates in fan mode, and the HEPA light illuminates.
• UP (+)/DOWN (-) Buttons:
• Humidity Set: Set humidity level from 35% to 85% RH in 5% increments. Press '-' for drier air, '+' for damper air.
• TIMER Set: Set Auto start/stop time from 0.0 to 24 hours using the UP/DOWN buttons.
• FAN Speed Button: Control fan speed (Low, Med, High). The corresponding indicator light illuminates. Press and hold for 3 seconds to clear the filter reminder when the filter light flickers (on some models). The unit operates for 250 hours before requiring filter cleaning.
• Wireless Button (On some models): Press and hold the POWER button for 3 seconds to initiate Wireless connection mode. The LED display shows 'AP'. If connection is successful within 8 minutes, the unit exits Wireless mode, and the Wireless indicator illuminates. If connection fails, the unit exits Wireless mode automatically. When connecting to the internet, the quick glance light flashes white.
• FRESH / Button (On some models): Press to initiate the FRESH feature (ion generator and UV light). The fresh indicator illuminates. Press again to stop the FRESH feature.
• LOCK feature (On some models): Press and hold UP and DOWN buttons for 3 seconds to initiate LOCK feature. All settings are locked, and the control panel is unresponsive except for the LOCK function. Press and hold again to cancel.
• Quick glance light / Button (On some models): Illuminates or turns off the quick glance light. The light color indicates humidity: Red (>65% RH), Green (45%-65% RH), Yellow (<45% RH). Orange light indicates bucket full or clean filter, turning off for 1 second every 4 seconds.
• Display (On some models): Shows set humidity level or auto start/stop time during setting, then displays the actual room humidity level (30%-90% RH).
• Error Codes: EH60 (Humidity sensor error), EH61 (Evaporator temperature sensor error), EH02 (Zero-crossing signal detection error), EH03 (Indoor fan speed malfunction), EH0b (Indoor PCB communication error). Follow troubleshooting steps or call for service.
• Protection Code: P2 (Bucket full or not in position). Empty and reposition the bucket. The water full light may illuminate.

Note: If a malfunction occurs, turn off the unit, check for obstructions. Restart. If the malfunction persists, turn off, unplug, and contact the manufacturer or a qualified service person.

Other features

• Bucket Full Light: Glows when the bucket is ready to be emptied, or if removed/not replaced properly.
• Auto Defrost: Compressor cycles off and fan runs until frost disappears from evaporator coils.
• Auto Shut Off: Unit shuts off when the bucket is full, or removed/not replaced properly. Fan may run for 30 seconds on some models.
• Fresh Light: Indicates ion generator is energized (on some models) to purify air.
• UV Light: Indicates UV feature is active (on some models) to purify air.
• Wait 3 minutes before resuming operation: The unit protects itself by preventing immediate restart after stopping. Operation resumes automatically after 3 minutes.
• Auto-Restart: If power is interrupted, the unit restarts with the previous function setting when power resumes.
• Continuous dehumidifying mode: Unit dehumidifies continuously; humidity cannot be selected. Press Mode button to exit.
• Dryer mode (On some models): Provides maximum dehumidification. Fan speed cannot be adjusted. For best results, operate in a closed room, direct airflow at wet clothes, and allow space around the unit. Thick or heavy wet clothes may not dehumidify effectively.
• Smart dehumidifying mode: Unit automatically controls room humidity to a comfortable range (45%-55%) based on room temperature. Humidity setting is invalid.
• Setting dehumidifying mode: Humidity can be adjusted from 35%-85% in 5% increments. Press MODE button to exit.
• FILTER/HEAP light: Reminds you to clean the air filter. The light flickers after 250 hours of operation. To reset, press the Fan button for 3 seconds after cleaning.
• HEPA filter: When installed, the unit operates in fan mode, and the HEPA light illuminates. Ensure the HEPA filter is fitted correctly.

Removing the collected water

There are two ways to remove collected water:

1. Use the bucket

• When the bucket is full, the unit stops automatically, and the Full indicator light flashes.
• Slowly pull out the bucket, gripping the left and right handles securely. Pull straight out to avoid spilling. Do not place the bucket on the floor as its uneven bottom may cause it to tip.
• Dispose of water from the water outlet and replace the bucket. The bucket must be securely seated for the unit to operate. The machine will restart when the bucket is correctly positioned.
• Do not touch internal parts when removing the bucket, as this may damage the product.
• Push the bucket gently all the way into the unit. Banging or failing to push it in securely may prevent operation.
• If there is some water remaining in the unit after removing the bucket, dry it.
• Steps: Pull out the bucket slightly, hold both sides with even strength, and pull it out. Pour water out from the water outlet.

2. Continuous draining

Water can be automatically emptied into a floor drain by attaching a water hose (Φ16.5*13.5 mm, not included).

• Remove the plastic knock-out panel from the upper side of the bucket. Remove any burrs from the cut section.
• Insert the water hose into the unit from the drain outlet in the back. Attach the water hose to the drain hose outlet. Ensure the connection is tight to prevent leaks.
• Lead the water hose to a floor drain or suitable drainage facility. The facility should be lower than the drain outlet. Run the hose sloping downward for smooth drainage.
• Ensure the water hose is lower than the drain hose outlet. Do not block water flow.
• Note: When continuous drain is not used, remove the drain hose from the outlet. Use needle-nose pliers if the plastic panel is difficult to remove by hand. Be cautious of burrs when connecting the drain hose.

Care and Maintenance

Turn the dehumidifier off and unplug it before cleaning.

Clean the Grille and Case

• Use water and a mild detergent. Do not use bleach or abrasives.
• Do not splash water directly onto the main unit to avoid electrical shock, insulation damage, or rust.
• Use a vacuum attachment or brush to clean soiled air intake and outlet grilles.

Clean the bucket

• Every few weeks, clean the bucket with clean water and mild detergent to prevent mold, mildew, and bacteria growth. Swish, empty, and rinse.
• NOTE: Do not use a dishwasher. Ensure the bucket is securely seated after cleaning for operation.

Clean the air filter

• Check and clean the air filter behind the front grille at least every two weeks, or more often if necessary.
• NOTE: DO NOT RINSE OR PUT THE FILTER IN AN AUTOMATIC DISHWASHER.
• To remove: Grip the filter tab, pull outward, then pull up.
• To clean: Wash the filter with warm, soapy water. Rinse and let it dry completely before replacing. Do not clean in a dishwasher.
• To attach: Insert the air filter into the unit from the underside upwards.
• CAUTION: DO NOT operate the dehumidifier without a filter, as dirt and lint will clog it and reduce performance.

The cabinet and front can be dusted with an oil-free cloth or wiped with a cloth dampened in warm water and mild dishwashing detergent. Rinse thoroughly and wipe dry. Never use harsh cleansers, wax, or polish. Wring excess water from the cloth before wiping controls to prevent damage.

When not using the unit for long time periods

• After turning off the unit, wait one day before emptying the bucket.
• Clean the main unit, water bucket, and air filter.
• Cover the unit with a plastic bag.
• Store the unit upright in a dry, well-ventilated place.

Troubleshooting Tips

Before calling for service, review the following chart: