Warmtec OP-50 Dehumidifier Air Dryer User Manual

Warmtec OP-50 Dehumidifier Air Dryer User Manual

ASADY BEZPIECZEŃSTWA

Use the device in accordance with the instructions contained in this manual. This manual describes as many events as possible that the user encounters while using the device. Taking care and consideration should always be exercised when operating an electrical device such as a dehumidifier.

1. This appliance can be used by children aged 8 years and older and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge, provided they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards
2. Children should not play with the
3. If the power cord is damaged, it must be replaced by the manufacturer, its service agent or a similarly qualified person in order to avoid a

ATTENTION!

• Do not use resources to accelerate the defrosting process or to clean other than those recommended by the
• The device may only be stored in places where it will not come into contact with possible sources of direct ignition (e.g. open flames, stoves, gas appliances or electric heaters).
• Do not pierce or
• Be aware that refrigerants may not have an

R290 refrigerant details:

This device contains R290 refrigerant, which is a refrigerant gas that complies with the latest EU environmental directives.

• When defrosting and cleaning the device, do not use tools or resources and methods other than those recommended by the
• The device may only be used in places where it will not come into contact with possible sources of direct ignition (e.g. open flames, stoves, gas appliances or electric heaters).
• Do not smoke while operating the device and in the room where it is
• The device should be placed, used and stored in a well-ventilated room with an area of more than 15 m², and the air circulation openings must not be blocked by any
• Maintenance and repair of the refrigeration system should only be carried out by qualified technicians who are authorized to work with flammable
• GWP (Global Warming Potential) of the refrigerant =

Labels with information have been placed on the casing of the device of

the potential flammability hazard refrigerant R290:

The R290 refrigerant contained in the device is a refrigerant gas that meets the latest guidelines of the European Union directives, on environmental protection

GWP=3

Equivalent CO2=0,001t Hermetically sealed

DEVICE CONSTRUCTION

ATTENTION! For the device to work properly, remember about the appropriate temperature in which the device should work (5°C – 35°C). Operation below the specified range may negative affect the efficiency of work

DEVICE INSTALLATION

1. Installation method Remove the wheel axle cover, wheels and screws form the Tilt the device case as shown in Fig.1. Then shown in Fig.1, fix the wheel axle on the machine body with 4 anti-skid screws, and fix the wheels on both sides of the axle. After the axis installation is completed, place the device in an upright position.
2. Method of installationthe   steel   handle As shown in 2, fix the two screws on the top of the body, rotate the steel pipe 180 degrees, and fix the handle with the screws.

Tip:

After assembly, do not use the device for at least 3 hours.

1. Using the water tank

You can use the water tank in two ways:

1. Draining  the  water When the tank is full the device autmatically turns off and goes into standby mode, the word “Full” is highlighted on the display and the sound signal is After emptying and reinstalling the water tank, the dehumidifier can continue to work
2. Uninterrupted drainage of water

In a situation where the water tank will require frequent emptying, you should decide for a uninterrupted drainage system. As shown in Fig. 3 To restore the operation of the dehumidifier, first remove the water tank, unscrew the drain nut and drill a hole in the place of the drain hole. Then place the drain nut and install the drain hose.

Tip:

In uninterrupted drain mode, the drain hose should not be above the water tank

OPERATION INSTRUCTIONS FOR CONTROL PANEL

Description of markings on the display and buttons on the control panel

ON and OFF time settings devices

Humidity indicator Decrease
Wind speed
Temperature **ON / OFF
Increase Defrosting
Drainage
Function button ON/OFF temporary
Full water tank**

FUNCTION DESCRIPTION

Humidity control

During operation, the device controls the humidity level in the dried room. Depending on the settings made on the control panel, the fan and compressor will be started automatically after switching on until the set humidity value is reached. When the desired humidity value in the room is reached, the fan and compressor will be turned off.

• If the minimum humidity value is set on the control panel, the device will go into continuous dehumidification In this case, use the POWER button to turn off the dehumidification mode.
• If the humidity sensor is damaged, the device will go into continuous dehumidification In this case, use the POWER button to turn off the dehumidification mode.
• When the unit is turned on, the compressor starts with a 3 second delay, while when turned off, the fan will run for 3 additional
• When the desired humidity in the room is reached, the compressor will be turned off and the fan will run for 1 minute after turning

Protective functions

• When the device is turned on for the first time, the quick start function is activated, and each time the device is turned off and then turned on again, the compressor will start after about 3 minutes from the moment of starting the
• To protect the unit from damage, if the compressor runs continuously for 10 minutes and the internal sensor (TR) temperature reading is not more than 3 degrees from the exchanger temperature (TP) for 10 consecutive seconds (i.e. TR-TP ≤ 3 °), read this relationship as a failure (possible leak or blockage in the pipe), and shut down the dryer
• Memory of the last settings: in the event of a sudden power failure or accidental disconnection of the power plug, when the power is restored, the device will start automatically with the last settings. The operation of the device will continue until the next time the device is turned off or the settings are changed

Full water   tank When the water tank is full, the dehumidifier will automatically go into standby mode and the control panel will display a message and a “full” icon.

Defrost mode

Automatic defrosting.

| ****

sensor in normal condition.

| ****

1. Defrost mode starts when the compressor runs for 25 minutes and the temperature of the device drops below-1°C.

2. During hot gas defrost, the fan stops and the compressor remains running. During this time, the defrosting icon is displayed.

Automatic defrosting.| In this mode, defrosting starts for 10 minutes after that, the device returns to normal operation.

Timer ON/OFF function

If the device is turned on, changing the timer settings results in setting the working time until it is turned off, while if the device is turned off, changing the timer settings results in setting the time that must pass until the device is automatically turned on.

Time programming of device activation:

Turn off the machine if it is on, then press the “Timer” button on the control panel. The start of programming is signaled by flashing “00”. Use the “▲” or “▼” buttons to set the time for which you want the device to turn on. Constantly holding the button for 2 seconds allows you to change the parameters faster. During programming, no action is taken on the panel for 10 seconds, the device will remember the last value entered, which will be signaled by flashing (range from 00 to 24h, default 00).

B.  Time programming of device shutdown:

Turn on the device if it is turned off, then press the “Timer” button on the control panel. The start of programming is signaled by flashing “00”. Using the buttons “▲” or “▼” set the time for which you want the device to turn off. Constantly holding the button for 2 seconds allows you to change parameters faster. If during programming, no action is taken on the panel for 10 seconds, the device will remember the last value entered, which will be indicated by a flashing “00” (range from 00 to 24h, default 00).

Setting advanced parameters

• Humidity correction setting – to set the desired room humidity value, press and hold the “Timer” button for more than 10 The display will show the current relative humidity (RH) in the room. Use the buttons to set the desired value “▲” or “▼”. The humidity level can be set from 10 RH to 95 RH, adjustable in 1% RH increments.
• Set the protection against pressure increase in the system – press and hold the “Timer” button for more than 10 The display will show the current relative humidity (RH) in the room. Press the “Timer” button again, “PRES” (Pressure Holding) will flash on the display. This is information about the activation or deactivation of the protection (ON / OFF). Use the “+” and “-” buttons to enable or disable the protection.

RULES OF USE

TROUBLESHOOTING

1. If the dryer fails, disconnect the power immediately.Below are solutions to possible problems with the operation of the device.
   Problem| Problem analysis| Solution
   ---|---|---

Device     doesn’t work, does not turn on.

|

No     power, no LEDs or buttons on the device light up.

| Mains power failure or disconnected power plug.

If the plug has been disconnected from the mains socket.

If the fuse is blown or the circuit breaker in the electrical switchboard has tripped.

| Check the power cord and the circuit breakers in the electrical switchboard.

Connect the plug to the power socket.

After removing the fault, turn on the circuit breaker or replace the fuse in the electrical switchboard.

 |  |
 |

The device is turned on, does not start working.

| Ambient humidity lower than the set value.| Change the humidity value settings.
 |  | The unit is in defrost mode.| Wait for the process to complete.

The dehumidification mode is not effective.

| Clogged       air        inlet/outlet. An   open   window   or   door. The room temperature is too low.|

Unblock the air inlet or outlet. Close doors and windows.

Do not start the device.

Strange noises.

| The device has been placed on uneven ground. Unstable position of the dehumidifier.| Place   the   device   on   flat   ground. Place the dehumidifier in a stable position.

Water leak.

| The           device           is           tilted. The drain hose / drain outlet is clogged.| Place the dryer in an upright position. Remove the front panel, clean the drain.
E1| Exchanger sensor error.| Turn on defrost mode manually.

E2/E3

| Humidity sensor error. Temperature sensor error.|

It is necessary to replace the sensor, contact the service.

EE

|

Refrigerant leak.

|

Turn off the device for at least 60 minutes. If   the   error   appears   on the   display after switching it back on, contact the service.

2. If there is a problem that is not described in the table above, contact the Do not make repairs or dismantle the device on your own. This will void the warranty and may damage the device or cause injury.
3. When starting and stopping, the unit emits a sound due to the operation of the This is normal and should not be considered a malfunction.
   It is normal for warm air to come out of the unit’s outlet

TIPS

User Tips:

1. The humidity sensor may become dirty or damaged if the device is used in rooms that are heavily dusty or filled with corrosive
2. For safety reasons, do not use the device in rooms filled with combustible/explosive gas, dust, chemical or biological
3. Damages caused by improper use of the device or using it in incorrect conditions are not subject to warranty
4. Dirty filter affects dehumidification performance and may cause malfunction of the The filter should be cleaned regularly, at least once a month.

If the air in the room to be dried is very dusty, the filter should be cleaned more often, depending on how dirty it is.

5. To avoid flooding and excessive moisture build-up in the device, the water tank should be emptied
6. To increase the efficiency of the device, close the doors and windows in the
7. The difference between the humidity indicated on the display and the actual humidity is a normal phenomenon, the indications are affected by location, environmental conditions and temperature in the dehumidified
8. During dehumidification, due to the heat generated by the running compressor, the temperature indoors will rise 1°~3°C. This is
9. Since the dehumidification effect is related to the ambient temperature and humidity, the higher the ambient temperature and humidity, the more effective the dehumidification mode, and the lower the temperature and humidity, the weaker the dehumidification

Specification table.

Dehumidification capacity

| 50L / day (by 30°C RH80%)
30L / day (by 27°C RH60%)

Rated power

| 750 W (27°C RH 60%)

900 W (30°C RH 80%)

Rated current

| 3,4 A (27°C RH 60%)

4,0 A (30°C RH 80%)

Low pressure| 1,0 MPa
High pressure| 2,5 MPa
Refrigerant / Quantity| R290 / 200 g
Working temperature| 5°C – 35°C
Protection level| IP22
Protection class| I
Dimensions ( W x H x D )| 45 x 65,5 x 48 cm
Weight| 30 kg

ENVIRONMENTAL PROTECTION AND RECYCLING

INFORMATION ABOUT USED ELECTRICAL AND ELECTRONIC EQUIPMENT
We hereby inform you that the main objective of the European regulations and the Act of September 11, 2015 about waste electrical and electronic equipment is to reduce the amount of waste generated from equipment, ensure an appropriate level of collection, recovery and recycling of waste equipment and increasing social awareness of its harmfulness to the natural environment, at every stage of using electrical and electronic equipment.
Therefore, it should be pointed out that households play a key role in contributing to reuse and recovery, including recycling of waste equipment. The user of equipment intended for households is obliged to return waste electrical and electronic equipment to a collector after its use. However, it should be remembered that products belonging to the group of electrical or electronic equipment should be disposed of at authorized collection points.

You can return your used device to the retailer where you can buy a new one. They will be collected by the CCR REEWEEE Recovery Organization, with which we have signed a contract for the collection of waste equipment.

ATTENTION! THIS DEVICE MUST NOT BE DISCOSED IN DOMESTIC WASTE.

This marking means that the product must not be disposed of with household waste throughout the EU. To prevent potential damage to the environment or health, the end of the product must be recycled. In accordance with applicable law, electrically powered devices that are no longer usable must be collected separately, in specially designated areas, for recycling and reuse, on the basis of applicable environmental standards (Dee 2002/96/CE).

RULES FOR THE REPAIR OF EQUIPMENT CONTAINING R290 REFRIGERANT

ATTENTION! Service and repair of the device may only be performed by qualified persons.

1. GENERAL RULES

• Before starting repair work on equipment containing flammable refrigerant, it is mandatory to check the surroundings to ensure that there is no risk of If the refrigeration system is being repaired, the following precautions should be taken before starting work.
• Work procedure All repair work must be undertaken in accordance with strict procedures to minimize the risk of flammable gas or vapor escaping while the work is being carried
• Workplace All service technicians and other persons working in the vicinity must be instructed on the nature of the work to be Avoid working in confined spaces. The area around the workspace should be divided into parts. Ensure that the repair area is adequately maintained by inspecting combustible materials.
• Checking the presence of refrigerant

The work area should be checked with a suitable refrigerant detector before and during operation to ensure that the technician is aware of potentially flammable material escaping into the atmosphere. Make sure the leak recovery equipment you use is suitable for flammable refrigerants, i.e. non-sparking, properly sealed or intrinsically safe.

• The presence of a fire extinguisher

If any high-temperature work is to be carried out on the refrigeration unit or its associated components, suitable extinguishing resources should be on hand: powder extinguisher or CO2 extinguisher.

• No sources of ignition

Anyone carrying out work on the refrigeration system that exposes piping containing flammable refrigerant must not use any sources of ignition in a way that could lead to a risk of fire or explosion. All possible sources of ignition, including smoking, should be far enough away from the installation, repair, removal and disposal site where flammable refrigerant can be released into the surrounding space. Before starting work, visually inspect the area around the equipment to make sure that there are no other flammable substances and no risk of ignition. No smoking signs should be posted in a prominent place.

• Adequate  ambient   ventilation Before starting repair work, make sure that the area where the repair work is to be carried out has ample space and is adequately Adequate ventilation must be maintained during the work. The ventilation should safely dissipate the released refrigerant and ideally expel it to the outside of the building.
• Refrigeration system                                                                 check If electrical components are replaced, they must be properly matched to the purpose and specifications of the The manufacturer’s maintenance and service instructions must be followed at all times. If in doubt, consult the manufacturer’s technical department. For systems using flammable refrigerants, the following checks must be made:
• the area of the room is adequate to the amount of refrigerant in the device;
• ventilation devices and outlets are functioning properly and are not clogged;
• if an indirect refrigerant circuit is used, the secondary circuit – check for the presence of refrigerant;
• device markings are still visible and legible (if markings and signs are illegible, they should be corrected);
• the refrigerant pipe or refrigeration components are installed in a location that is not exposed to any substance that may corrode the components containing the refrigerant, unless the components are constructed of materials that are inherently corrosion resistant or are adequately protected against
• Control of electrical devices repair and maintenance of electrical parts should precede pre-safety check and parts If present defect that could jeopardize safety, then to circuit, do not connect the power supply until it will be satisfactorily resolved. If no faults can be fixed immediately, but it is necessary to proceed work, a suitable temporary solution must be used. This situation should be reported to the equipment owner so that all parties are informed of the actions taken.

Initial security checks include:

• discharge of capacitors: this must be done in a safe manner to avoid the possibility of sparks;
• that no live electrical components and wiring are exposed during charging, recovery, or cleaning of the system;
• that there is earth

2. REPAIR OF SEALED COMPONENTS

• When repairing sealed components, disconnect all power sources from the equipment being repaired before removing the sealed If it is absolutely necessary to supply power to the device during service, then a permanently operational form of leak detection should be present at the most critical point to alert you to a potentially dangerous situation.
• Particular attention should be paid to the following:
• make sure that when working on the electrical installation of components, the housing is not changed in such a way that the level of protection changes. This includes damaged cables, excessive number of connections, missing terminals, made to original specification, damaged seals, improperly fitting glands,
• Make sure the camera is securely attached. Make sure that the gaskets or sealing materials have not deteriorated to the point that they are no longer functional. Replacement parts must comply with the manufacturer’s

NOTE: The use of silicone sealant may reduce the effectiveness of some types of leak detectors. Intrinsically safe components do not need to be insulated before operation.

3. REPAIR OF INTRINSICALLY SAFE ELEMENTS

Do not apply any permanent inductive or capacitive loads to the circuit without making sure that it does not exceed the voltage and current ratings allowed for the equipment you are using. Intrinsically safe components are the only types of components that can be serviced in the presence of a flammable atmosphere. Replace components only with parts specified by the manufacturer. Other parts may cause refrigerant leakage.

4. WIRING

Check that the wiring is not exposed to wear, corrosion, excessive pressure, vibration, sharp edges or other adverse environmental influences. Inspection should also take into account wear or constant vibration from sources such as compressors or fans.
5. REFRIGERANT DETECTION

Under no circumstances should potential sources of ignition be used to search for or detect refrigerant leaks. A halide torch (or any other open flame detector) may not be used.

6. LEAK DETECTION METHODS

The following leak detection methods are considered acceptable for systems containing flammable refrigerants. Electronic leak detectors should be used to detect flammable refrigerants, but sensitivity may not be sufficient or may require recalibration.
(Detection equipment should be calibrated in a refrigerant-free area.) Ensure that the detector is not a potential source of ignition and is suitable for the refrigerant being used.
Leak detection equipment should be set to the LFL percentage of the refrigerant and should be calibrated to the refrigerant used and the appropriate gas percentage (25% maximum) confirmed. Leak detection fluids are suitable for use with most refrigerants, but detergents containing chlorine should be avoided as chlorine can react with the refrigerant and corrode copper pipes. If a leak is suspected, all naked flames must be removed/extinguished. If a refrigerant leak is found that requires brazing, all refrigerant must be recovered from the system or isolated (by means of shut-off valves) in the part of the system away from the leak. Oxygen-free nitrogen (OFN) is then purged through the system – both before and during the brazing process.

7. REFRIGERANT REMOVAL

Ventilation procedures must be used when the refrigerant circuit is breached for repair – or otherwise. However, it is important to follow safety rules, since flammability is possible. Follow the procedure below:

• remove the refrigerant;
• purge the circuit with inert gas;
• take a break;
• purge again with inert gas;
• open the circuit by cutting or soldering.

The amount of refrigerant must be recovered to the appropriate cylinders. The system must be “flushed” with OFN to keep the device safe. This process may need to be repeated several times. Do not use compressed air or oxygen for this task. Rinsing should be achieved by breaking the vacuum in an OFN system and continuing to fill until working pressure is reached, then venting to atmosphere and finally lowering to vacuum. This process should be repeated until there will be no refrigerant in the system. If a final charge of OFN is used, the system should be vented to atmospheric pressure to allow work to be carried out. This operation is absolutely essential if brazing is to be carried out on the pipelines. Make sure that the outlet of the vacuum pump is away from sources of ignition and that ventilation of the working area is available.

8. CHARGING PROCEDURE

In addition to the general charging rules, the following requirements must be observed.

• Ensure that various refrigerants will not be contaminated when using the charging Keep hoses or lines as short as possible to minimize the amount of refrigerant they contain.
• Cylinders must be kept in an upright
• Make sure the refrigeration system is grounded before charging the system with
• Tag the system after loading is complete (if not already flagged).
• Be careful not to overfill the refrigeration system. Pressure test with OFN must be performed before recharging the system. The system should be tested for leaks after charging is complete but before Another leak test must be performed before leaving this site.

9. DISASSEMBLY

Before performing this procedure, it is important that the technician is fully familiar with the equipment and all the details. It is recommended that all refrigerants be safely recovered. Before performing the task, an oil and refrigerant sample should be taken in case analysis is required before reusing the recovered refrigerant. It is essential that electrical power is available before starting the job.

1. Familiarize yourself with the equipment and its operation
2. Due to the flammability of R290 refrigerant, protect the electrical system of the appliance well
3. Before starting the procedure, make sure that:

• mechanical handling facilities are available to handle refrigerant cylinders if required;
• all personal protective equipment is available and used correctly;
• the recovery process is always supervised by a competent person;
• recovery equipment and cylinders comply with the relevant

1. Pump down the refrigeration system if
2. If vacuum is not possible, a manifold must be made to allow the removal of refrigerant from various parts of the
3. Make sure the cylinder is on the scale before
4. Start the recovery machine and follow the manufacturer’s
5. Do not overfill the (Not more than 80% liquid load by volume).
6. Do not exceed the cylinder’s maximum working pressure, even
7. After filling the cylinder correctly and completing the process, make sure that they will be removed immediately and the valves will be
8. Reclaimed refrigerant must not be charged to another refrigeration system unless it has been cleaned and

10. MARKING

Equipment should be marked with a notice that it has been taken out of service and emptied of refrigerant. The label should be dated and signed. Make sure there are labels on the unit indicating that the unit contains flammable refrigerant.

11. REFRIGERANT RECOVERY

When removing refrigerant from the system for service or decommissioning, be sure to follow safety precautions when disposing of all refrigerants. When transferring refrigerant to cylinders, ensure that only appropriate refrigerant recovery cylinders are used. Make sure enough cylinders are available to hold the total system charge. All cylinders to be used are for and marked with reclaimed refrigerant (i.e. special refrigerant recovery cylinders). Cylinders should be complete with pressure relief valve and associated shut-off valves in good working order. Empty recovery cylinders are emptied and, if possible, cooled before recovery. Recovery equipment must be in good working order with a complete set of equipment manuals on hand and should be suitable for recovering flammable refrigerants. In addition, a set of calibrated weighing scales should be available and operational. Hoses should be complete with non-leaking disconnect couplings and in good condition. Before using the recovery machine, check that it is in good working order, that it has been properly maintained and that all related electrical components are sealed to prevent ignition in the event of a refrigerant release. If in doubt, consult the manufacturer. The recovered refrigerant must be returned to the refrigerant supplier in the correct cylinder and with the appropriate waste transfer document. Do not mix refrigerants when recovering the unit, especially not in cylinders. If compressors or compressor oils are to be removed, ensure that they have been drained to an acceptable level to ensure that no flammable refrigerant remains in the lubricant. The evacuation process must be completed before the compressor is returned to suppliers. To speed up this process, only electric heating should be applied to the compressor body. Draining the oil from the system must be done safely.

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References

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