G21 Impact – 40 Dehumidifier User Manual

Manual
DEHUMIDIFIER G21
Model Impact – 40

Thank you for purchasing our product!
Read this manual carefully prior to using the appliance.

Safety instructions

• Install this appliance in a firm-level place to reduce vibration and noise.
• Do not place in water or other liquids.
• In order to prevent accidents, please do not use this dehumidifier if wires or other connections are damaged.
• This appliance can be used by children aged from 8 years and above and people with reduced physical, sensory or mental capabilities or lack of experience or knowledge if they have been given supervision or instruction concerning the use of this appliance in a safe way and understand the hazards involved. Children shall not play with the appliance, cleaning and user maintenance shall not be made by children without supervision.
• After you turn the appliance OFF, take the plug out of the socket.
• Indoors use only.
• Empty the water tank to prevent overflow and spill before restarting.
• Do not tilt as it may cause water leakage and damage the appliance.
• Do not insert any hard objects into the appliance in case error and damage occur.
• If the supply cord is damaged, it must be replaced by a qualified person in order to avoid any damage.

Warning:

• Do not place close to heating devices (flame or heaters, etc.).
• Do not turn OFF by pulling the power cord out of the socket.
• Do not use any flammable substances near this appliance.
• Do not clean with water, use a damp soft cloth.
• Do not wipe with chemical solvents, use a natural detergent.
• Do not tilt over 45°or place upside down.

Frequent questions

Why does the appliance store less water in the water tank in winter?
The temperature is low and the air is dry, not a fault.

Why can’t the appliance run or stop running suddenly?
The water tank might be full of water or it is not installed properly — drain the water tank or re-install it. The appliance might be in the „dehumidification mode”, the ambient temperature is lower or higher than requested (it cannot be performed when the ambient temperature is < 5 °C or > 32 °C).

Why is hot air blown out from the air supply outlet?
The appliance extracts air in the room and the dehumidification unit cools the air. The temperature decreases below the condensation point, the air condenses into water drops, which fall into the water tank and the dehumidified air is heated by the temperature running unit. This can reduce energy consumption and also accelerate dehumidification, therefore, hot air is blown out, not a fault.

Installation

• Please drain the water from the water tank before running the appliance.
• When the appliance is ON, please do not open doors and windows if possible since it can save energy resources.
• When the dehumidifier is installed, a certain space must be reserved around the appliance. The minimum distance above is 50 cm and 20 cm in any other direction, as shown in the picture below.
• When big noise is found during the operation of this dehumidifier:
• It is recommended to insert pads or damping rubber sheets below this appliance. It can reduce the vibration and noise and can also reduce damaging wood floor or carpet (due to vibrations or water leakage).
• Activated carbon filter

Filter frame

• Before turning the machine on, take down the filter frame and put the activated carbon in it. (Clean and dry the filter and filter frame regularly.)
• Do not turn the machine on before the filter and filter frame are well assembled.

Components

backside

Control panel with WIFI and water pump

Timer
24h timer setup, press this key to set the on/off time of the dehumidifier. The setting range is 1-24h. If you want to cancel the setting, press twice after confirming the time setting.

Dry key in a dehumidifier
Press this key to start the drying procedure in the appliance. This mode can prevent mold inside the appliance due to dampness. The whole drying procedure needs approximately 1h to finish. Press this button again to cancel the drying mode and to recover to the running state beforehand.

Airspeed
In AUTO or CONTINUOUS mode airspeed, high and low can be circularly selected.

LED display
This figure displays room humidity. When humidity is set in AUTO mode, this figure shows the set humidity and displays the set time in timer state, % represents the percentage of humidity.

Humidity setting
Once this button is pressed, the humidity is displayed circularly in the range of 30-80 %, and the humidity setting is only valid in AUTO mode.
Long press this button for 3 seconds to turn on/off the pump function.

Mode
During startup or timer setting, press this button to select the desired mode. After choosing, the light indicator of the selected mode is on. Long press the Mode button to activate the Child Lock —repeat to unlock.

On/Off button
Press this button to turn the appliance on/off.

Operating methods

Setting the timer off
When the dehumidifier is running, press the TIMER button to adjust the time from 1 to 24 hours. Press the button once to increase the setting by 1 hour— after the set time exceeds 24 hours, the figure returns back to 1 hour. The TIMER button can also be pressed at any time needed, the time increases or decreases circularly. When the time expires, the appliance turns OFF automatically. After the setting is completed, if the TIMER button does not act at all within 5 seconds, the set time is confirmed. In timer off state, the key lamp on the TIMER button is ON.

The setting of timer on
When the dehumidifier is in standby mode, the method for adjustment of setting time by the TIMER button is the same as timer off. After the setting is completed, if the TIMER button does not act at all within 5 seconds, the set time is confirmed. In timer off state, the key lamp on the TIMER button is ON and the set time is displayed on the control panel.

AUTO mode
Select AUTO dehumidification. If the room humidity is higher than the set humidity by + 5 %, the compressor will start and the fan will run at the set speed. If the room humidity is between + 5% or – 5% of the set humidity, the compressor and the fan will run at the set speed. If the room humidity is lower than the set humidity by – 5%, then the compressor will stop but the fan will run at the set speed. The default set humidity value is 50%.

CONTINUOUS mode
Select CONTINUOUS dehumidification, no matter how the relative humidity in the room is, the compressor starts, the fan runs at high speed in the default setting and the airspeed can be regulated via the airspeed button.

DRYING function
Press the DRYING button to start the drying process. The appliance starts at the HIGH airspeed and releases air continuously for 30 minutes. The appliance turns to run at LOW airspeed and lasts for 20 minutes.
To stop, press the DRYING button again to cancel the process and recover to the prior running mode. Or, press the POWER button to stop the process and recover to standby mode.

Humidity indicate function
Press the humidity setting button and the mode button at the same time to tam ON/tum OFF the humidity light indicator. When the machine works, the color of a light belt on the front cover will change with humidity level. Red color show humidity over 60 %, green color shows humidity 40-60 %, and blue color shows less than 40 % humidity.

Pump function
Press the humidity setting for 3 seconds to turn on/off the pump function (connect the drainage pipe before taming the on the pump function).

Air-swing function
Press the Timer button and the Drying button at the same time to start or end the Air-swing function.

Water drainage

When the water tank is full, the full water icon on the LCD display flashes (the compressor, fan, and negative ion will stop running), the buzzer sounds 10 times to remind the user till the water is drained.

• Place both hands respectively at the side of the back cover side of the depression, gently remove the water tank and open the tank cover on the right side of the body, then pour the water from the gap between the water tank and the cover.
• Close the tank cover and rotate the water tank handle down, then put the water tank gently back in to restart the appliance.

Attention: when the water tank is full of water, please empty it. Before putting the water tank into the dehumidifier, please confirm whether the floater rotates flexibly or not, then put it in position using both hands.

Continuous drainage
If you don’t want to drain water from the water tank frequently, you can connect a drainage pipe:

When the pump function is off

• Connect a drainage pipe (with an outer diameter of 13 mm) on the back of this dehumidifier.
• Find a garden hose with standard thread with 26,98 mm outer diameter and 11,5 TPI pitch

When the pump function is on

• Connect a drainage pipe (with an inner diameter of 5 mm) on the back of this dehumidifier (the suggested drainage height is no more than 5 m).

Note:

• With water-containing plate clean function. If won’t use it for a long time, take down the water cover and clean the dehumidifier.
• Before taking down the water cover, use a cup to hold water to avoid leakage.

When the pump function is off
Find the position of the water outlet, také down the water cover, pull down the water plug.
Connect the pipe with a 13 mm diameter/garden pipe.

Note:
The length of a drainage pipe shall not be too long (suggest less than 60 cm), the end of the drainage pipe shall be lower than the outlet for at least 10 cm and keep it straightened out.

2) When the pump function is on
Find the position of the water outlet, také down the water cover, pull down the water plug.
Connect the pipe with a 5 mm diameter.
Connect the pipe before turning the pump function on to prevent water leakage.

Maintenance

Precautions:

• Please disconnect the power plug before maintenance or repair to prevent electric shock.
• If the dehumidifier is not used for a long time, please disconnect the power supply.
• Please do not clean the appliance’s body with chemical solvents such as alcohol, gasoline.
• Please clean the water tank and its cover with a soft cloth dipped in cold or warm water at a regular time to prevent mold inside the dehumidifier.
• Wipe the surface of the appliance slightly with a wet cloth and do not use detergent or abrasive in case the plastic surface is damaged.
• Clean the washable PP strainer at least once per two weeks with cold or warm water. Do not use chemical solvents or hot water.

Troubleshooting

Symptoms

| Possible reason|

Solution

---|---|---
The dehumidifier does not run.| • The power plug fell out.| • Insert the plug into the socket.
• Water tank full of water or place dat incorrect position.| • Drain the water tank and place it back incorrectly.
• The ambient temperature is lower than 5 °C or higher than 32 °C.| • Normal phenomenon.
The dehumidification function is not effective.| • Room temperature or humidity too low.| • In dry seasons the dehumidification ability will reduce.
• Air outlet and inlet blocked.| • Clean up the object block the air outlet and inlet.
Air is not blown out.| • Air filter blocked.| • Clean the air strainer.
Noise is abnormal during operation.| • The appliance is placed improperly so that is inclined or unstable.| • Place the appliance on a firm-level place.
• Air strainer blocked.| • Clean the air strainer.
• “Tittering” sound.| • The flowing sound of refrigerant, a normal phenomenon.
Water leakage| • The connection of the drainage pipe becomes loose.| • Fasten drainage pipe.
• The drainage system is blocked.| • Remove obstacles and straighten out the water pipe.
Frosting occurs| • The ambient temperature is low and it is in the state of waiting to defrost.| • It is a normal phenomenon and the appliance has an automatic defrosting function.

Display code – Instruction
FL – The water tank is full
El – The coil sensor detects anomaly
E2 – The room temperature sensor detects an anomaly
P1 – The unit is in the defrosting mode, normal
CL – The unit is in the internal drying state, normal
LC – Child lock-on

The English version of the manual is an exact translation of the original manufacturer‘s instructions.
Images used in this manual are for illustrational purposes only and may differ from the actual product.

G21 Smart Home app

Download the G21 Smart Home app from Google Play or App Store.

|

https://play.google.com/store/apps/details?id=com.penta.smart

| |

https://apps.apple.com/gb/app/g21-smart-home/id1510938051

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Pairing the app with the device

Dehumidifier G21 Impact screen

**Safety instructions for installing the device using the R290

refrigerant gas**

To avoid damage, place the unit in an upright position for at least 24 hours before initiation. Make sure that the air outlet and air inlet are never blocked.
Only operate the unit on a horizontal surface to ensure no water leaks out.

Warnings

• Do not exceed impedance greeter than 0.236ohm in supply the appliance is connected to.
• Any person who is involved with working on or breaking into a refrigerant circuit should hold a currently valid certificate from an industry-accredited assessment authority.
• Remember the environment when disposing of packaging around the appliance and when the appliance has reached it’s by date.
• A warning that the appliance shall be stored in a well-ventilated area where the size corresponds to the room area as specified for operation.
• The appliance shall be stored so as to prevent mechanical damage from occurring.
• Information for spaces where refrigerant pipes are allowed, including statements » that the installation of pipe-work shall be kept to a minimum;

» that pipe-work shall be protected from physical damage and, in the case of flammable refrigerants, shall not be installed in an unventilated space;
» that compliance with national gas regulations shall be observed;
» that mechanical connection shall be accessible for maintenance purposes;
» that, for appliances containing flammable refrigerants, the minimum floor area of the room shall be mentioned in the form of a table or a single figure without reference to a formula;

• A warning to keep any required ventilation openings clear of obstruction;
• A notice that servicing shall be performed only as recommended by the manufacturer;
• When the portable air conditioner or dehumidifier is turned on, the fan can work continuously stable under normal conditions to provide the minimum air volume of 100m3/h even when the compressor is closed due to the temperature controller.
• Use only implements recommended by the manufacturer for defrosting or cleaning
• Do not perforate any of the components in the refrigerant circuit. Refrigerant gas may be odorless
• Use care when storing the appliance to prevent mechanical faults.
• Maintenance and repairs requiring the assistance of other qualified personnel must be carried out under the supervision of specialists in the use of inflammable refrigerants.

CAUTION ON FIRE

READ THE MANUAL CAREFULLY BEFORE USING THE APPLIANCE
R290 refrigerant gas complies with European environmental directives.
The appliance shall be installed, operated, and stored in a room with a floor area larger than 4 m2.

**Additional warning for an appliance with R290 refrigerant gas (refer

to the rating plate for the type of refrigerant gas used)**

Checks to the area
Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary to ensure that the risk of ignition is minimized. For repair to the refrigerating system, the following precaution shall be completed prior to conducting work on the system.

Work procedure
Work shall be undertaken under a controlled procedure so as to minimize the risk of flammable gas or vapor being present while the work is being performed.

General work area
All maintenance staff and others working in the local area shall be instructed on the nature of the work being carried out. Work in confined spaces shall be avoided.

Checking for presence of refrigerant
The area shall be checked with an appropriate refrigerant detector prior to and during work, to ensure the technician is aware of potentially toxic or flammable atmospheres. Ensure that the leak detection equipment being used is suitable for use with all applicable refrigerants, i.e. non-sparking, adequately sealed, or intrinsically safe.

Presence of fire extinguisher
If any hot work is to be conducted on the refrigerating equipment or any associated parts, appropriate fire extinguishing equipment shall be available to hand. Have a dry powder or CO2 fire extinguisher adjacent to the charging area.

No ignition sources

No person carrying out work in relation to a refrigerating system that involves exposing any pipework shall use any sources of ignition in such a manner that it may lead to the risk of fire or explosion. All possible ignition sources, including cigarette smoking, should be kept sufficiently far away from the site of installation, repairing, removing, and disposal, during which refrigerant can possibly be released to the surrounding space. Prior to work taking place, the area around the equipment is to be surveyed to make sure that there are no flammable hazards or ignition risks.

Ventilated area
Ensure that the area is in the open or that it is adequately ventilated before breaking into the system or conducting any hot work. A degree of ventilation shall continue during the period that the work is carried out.

Checks to the refrigerating equipment
Where electrical components are being changed, they shall be fit for the purpose and to the correct specification. At all times the manufacturer’s maintenance and service guidelines shall be followed. If in doubt, consult the manufacturer’s technical department for assistance.

The following checks shall be applied to installations using flammable refrigerants:

• the actual refrigerant charge is in accordance with the room size within which the refrigerant containing parts are installed;
• the ventilation machinery and outlets are operating adequately and are not obstructed;
• if an indirect refrigerating circuit is being used, the secondary circuit shall be checked for the presence of refrigerant;
• marking to the equipment continues to be visible and legible. Markings and signs that are illegible shall be corrected;
• refrigerating pipe or components are installed in a position where they are unlikely to be exposed to any substance which may corrode refrigerant containing components unless the components are constructed of materials that are inherently resistant to being corroded or are suitably protected against being so corroded.

Checks to electrical devices
Repair and maintenance to electrical components shall include initial safety checks and component inspection procedures. If a fault exists that could compromise the safety, then no electrical supply shall be connected to the circuit until it is satisfactorily dealt with

Initial safety checks shall include:

• that capacitor is discharged: this shall be done in a safe manner to avoid the possibility of sparking;
• that no live electrical components and wiring are exposed while charging, recovering, or purging the system;
• that there is continuity of earth bonding.

Repairs to sealed components
During repairs to sealed components, all electrical supplies shall be disconnected from the equipment being worked upon prior to any removal of sealed covers, etc. If it is absolutely necessary to have an electrical supply to equipment during servicing, then a permanently operating form of leak detection shall be located at the most critical point to warn of a potentially hazardous situation.
Particular attention shall be paid to the following to ensure that by working on electrical components, the casing is not altered in such a way that the level of protection is affected. This shall include damage to cables, an excessive number of connections, terminals not made to original specification, damage to seals, incorrect fitting of glands, etc.
Ensure that seals or sealing materials have not degraded to the point that they no longer serve the purpose of preventing the ingress of flammable atmospheres. Replacement parts shall be in accordance with the manufacturer’s specifications.

Repair to intrinsically safe components
Do not apply any permanent inductive or capacitance loads to the circuit without ensuring that this will not exceed the permissible voltage and currently permitted for the equipment in use. Intrinsically safe components are the only types that can be worked on while living in the presence of a flammable atmosphere. Replace components only with parts specified by the manufacturer. Other parts may result in the ignition of refrigerant in the atmosphere from a leak.

Cabling
Check that cabling will not be subject to wear, corrosion, excessive pressure, vibration, sharp edges, or any other adverse environmental effects. The check shall also take into account the effects of aging or continual vibration from sources such as compressors or fans.

Detection of flammable refrigerants
Under no circumstances shall potential sources of ignition be used in the searching for or detection of refrigerant leaks. A halide torch (or any other detector using a naked flame) shall not be used.

Removal and evacuation
When breaking into the refrigerant circuit to make repairs – or for any other purpose -conventional procedures shall be used. However, for flammable refrigerants, it is important that best practice is followed since flammability is a consideration.

The following procedure shall be adhered to:

• remove refrigerant;
• purge the circuit with inert gas;
• evacuate;
• purge with inert gas;
• open the circuit by cutting or brazing.

The refrigerant charge shall be recovered into the correct recovery cylinders. For appliances containing flammable refrigerants, the system shall be purged with oxygen-free nitrogen to render the appliance safe for flammable refrigerants. This process may need to be repeated several times. Compressed air or oxygen shall not be used for purging refrigerant systems.
For appliances containing flammable refrigerants, refrigerants purging shall be achieved by breaking the vacuum in the system with oxygen-free nitrogen and continuing to fill until the working pressure is achieved, then venting to the atmosphere, and finally pulling down to a vacuum. This process shall be repeated until no refrigerant is within the system. When the final oxygen-free nitrogen charge is used, the system shall be vented down to atmospheric pressure to enable work to take place. This operation is absolutely vital if brazing operations on the pipe-work are to take place.
Ensure that the outlet for the vacuum pump is not close to any potential ignition sources and that ventilation is available.

Charging procedures
In addition to conventional charging procedures, the following requirements shall be followed.

• Ensure that contamination of different refrigerants does not occur when using charging Hoses or lines shall be as short as possible to minimize the amount of refrigerant contained in them.
• Cylinders shall be kept in an appropriate position according to the instructions.
• Ensure that the refrigerating system is earthed prior to charging the system with refrigerant.
• Label the system when charging is complete (if not already).
• Extreme care shall be taken not to overfill the refrigerating system.

Prior to recharging the system, it shall be pressure-tested with the appropriate purging gas. The system shall be leak-tested on completion of charging but prior to commissioning. A follow-up leak test shall be carried out prior to leaving the site.

Decommissioning
Before carrying out this procedure, it is essential that the technician is completely familiar with the equipment and all its detail. It is recommended good practice that all refrigerants are recovered safely. Prior to the task being carried out, an oil and refrigerant sample shall be taken in case analysis is required prior to re-use of recovered refrigerant. It is essential that electrical power is available before the task is commenced.

a) Become familiar with the equipment and its operation.
b) Isolate system electrically.
c) Before attempting the procedure, ensure that:
» mechanical handling equipment is available, if required, for handling refrigerant cylinders; » all personal protective equipment is available and being used correctly;
» The recovery process is supervised at all times by a competent person;
» recovery equipment and cylinders conform to the appropriate standards.
d) Pump down the refrigerant system, if possible.
e) If a vacuum is not possible, make a manifold so that refrigerant can be removed from various parts of the system.
f) Start the recovery machine and operate in accordance with instructions.
g) Do not overfill cylinders (no more than 80 % volume liquid charge).
h) Do not exceed the maximum working pressure of the cylinder, even temporarily.
i) When the cylinders have been filled correctly and the process completed, make sure that the cylinders and the equipment are removed from the site promptly and all isolation valves on the equipment are closed off.
j) Recovered refrigerant shall not be charged into another refrigerating system unless it has been cleaned and checked.

Labeling
Equipment shall be labeled stating that it has been de-commissioned and emptied of refrigerant. The label shall be dated and signed. For appliances containing flammable refrigerants, ensure that there are labels on the equipment stating the equipment contains flammable refrigerant.

Recovery
When removing refrigerants from a system, either for servicing or decommissioning, it is recommended good practice that all refrigerants are removed safely.
When transferring refrigerant into cylinders, ensure that only appropriate refrigerant recovery cylinders are employed. Ensure that the correct number of cylinders for holding the total system charge is available. All cylinders to be used are designated for the recovered refrigerant and labeled for that refrigerant (i.e. special cylinders for the recovery of refrigerant). Cylinders shall be complete with a pressure-relief valve and associated shut- off valves in good working order. Empty recovery cylinders are evacuated and, if possible, cooled before recovery occurs.
The recovery equipment shall be in good working order with a set of instructions concerning the equipment that is at hand and shall be suitable for the recovery of all appropriate refrigerants including, when applicable, flammable refrigerants. In addition, a set of calibrated weighing scales shall be available and in good working order. Hoses shall be complete with leak-free disconnect couplings and in good condition. Before using the recovery machine, check that it is in satisfactory working order, has been properly maintained, and that any associated electrical components are sealed to prevent ignition in the event of a refrigerant release. Consult the manufacturer if in doubt.
The recovered refrigerant shall be returned to the refrigerant supplier in the correct recovery cylinder, and the relevant waste transfer note arranged. Do not mix refrigerants in recovery units and especially not in cylinders.
If compressors or compressor oils are to be removed, ensure that they have been evacuated to an acceptable level to make certain that flammable refrigerant does not remain within the lubricant. The evacuation process shall be carried out prior to returning the compressor to the suppliers. Only electric heating to the compressor body shall be employed to accelerate this process. When oil is drained from a system, it shall be carried out safely.

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