Argoclima 492000073 LILIUM Dehumidifier Instruction Manual

Argoclima 492000073 LILIUM Dehumidifier

OPERATING INSTRUCTIONS

Read the instructions carefully before operating or servicing the dehumidifier. Observe all the safety instructions; failure to observe the instructions may lead to accidents and/or damage. Keep these instructions in a safe place for future reference.

• The appliance is filled with flammable gas R290.
• Before installing and using the appliance, read the owner’s manual.
• Before installing the appliance, read the installation manual.
• For any repairs you need, contact the nearest authorized Service Centre and strictly follow the manufacturer’s Service Manual.

The Refrigerant R290

• To realize the function of the air conditioner unit, a special refrigerant circulates in the system. The refrigerant is the fluoride R290 = 3 GWP (Global warming potential). This refrigerant is flammable and odorous. It can lead to explosions under certain conditions, however, the flammability of this refrigerant is very low and it can be ignited only by fire.
• Compared to other common refrigerants, R290 is a non-polluting refrigerant with no harm to the ozonosphere and no effect on the greenhouse effect. R290 has very good thermodynamic features which lead to really high energy efficiency. The units, therefore, need less filling.

Warning
Do not try to accelerate the defrosting process or clean the appliance in different ways other than those recommended by the manufacturer. Should repair be necessary, contact your nearest authorized Service Centre. Any repairs carried out by unqualified personnel may be dangerous. The appliance has to be stored in a room that doesn’t have any continuously operating ignition sources. (for example open flames, an operating gas appliance, or an operating electric heater.) Do not pierce or burn. The appliance has to be installed, used, and stored in a room with a floor area larger than 4 m2. For repairs, strictly follow the manufacturer’s instructions only for appliances filled with R290 flammable gas. Be aware that refrigerants do not have any odour.

GENERAL OPERATING AND SAFETY INSTRUCTIONS

This appliance is a highly efficient dehumidifier, designed for domestic use only

• Use this dehumidifier only as outlined in this manual. Any other use not recommended by the manufacturer may cause fire, electric shock, or malfunctions.

• The unit contains refrigerant; keep it vertical at all times. Once you have opened the unit, keep it vertical to allow the refrigerant to stabilize and wait two hours before operating it.

• Ensure that the required voltage and frequency (220-240V/1/50Hz) match the available power source.

• This appliance can be used by children aged 8 years and above and people with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning the use of the 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.

• Make sure the plug is inserted fully.

• Do not use multiple adapters.

• Do not touch the plug with wet hands. Make sure the plug is clean.

• Children aged between 3 and 8 years must only be able to turn the appliance on/off, provided that the appliance has been placed in its normal operating position, that instructions have been given on how to use the equipment safely, and that its risks have been understood.

• Children aged between 3 and 8 years must not be able to plug in, adjust, clean or perform any maintenance on the appliance.

• Disconnect the mains’ power when the appliance is not in use or during cleaning operations. Keeping the appliance plugged in may cause electric shocks or accidents.

• To disconnect the appliance, set the switch to OFF and remove the plug from the socket. Only pull on the plug. Do not pull the cord.

• Do not bend, drag or twist the cord, or apply force to remove it. Do not operate the unit if its cable or plug are damaged; doing so can cause fires or electric shock. If the power cord is damaged, it must be replaced by a service center.

• Do not place heavy objects on top of the appliance. To prevent water spills, empty the water tank before moving the appliance. Do not tilt the dehumidifier onto one side or turn it upside down, as the water which runs out could damage the appliance. Do not operate the unit on unstable or sloping surfaces:

  • water leaks can cause it to malfunction or cause excessive vibration and running noise. The dehumidifier must be positioned at least 50 cm away from the wall or other obstacles so that the heat can dissipate correctly. Close all open windows to maximize dehumidification efficiency. Do not insert objects or sharp instruments into the air outlet grille. Do not cover the air intake and outlet grilles in any way.
    WARNING In the event of an anomaly, switch the appliance off and unplug it immediately.

• Do not dismantle, repair or modify this product freely. In the event of a malfunction, contact the aftersales service center directly.

• Do not immerse the power cord, plug, or any other part of the appliance in water or other liquids.

• Do not expose the dehumidifier to direct sunlight. Keep the appliance well away from sources of heat that could cause plastic parts to become warped.

• Do not spray insecticides, oils, or paints near the appliance; doing so may damage its plastic parts or start a fire.

• Keep flammable gases and oils away from the appliance! Do not move the appliance while it is operating; doing so can cause leaks and malfunction. In the event of interference with other electrical appliances, place the two products at a minimum distance of 70cm.

DESCRIPTION OF PARTS

1. Control panel
2. Colored LED with humidity sensor
3. Front panel
4. Casters
5. Side panel
6. Handle
7. Rear panel
8. Side panel
9. Air inlet and air filter
10. Water tank
11. Water outlet
12. Air outlet
13. Power cord

The following space must be maintained to ensure the operating efficiency of the dehumidifier.

OPERATING INSTRUCTIONS

APPLIANCE START-UP
Place the product on a flat and stable heat-resistant surface, at least 1 meter away from flammable or heat-sensitive materials and 50 cm away from walls or other obstructions. Make sure the water tank is in the correct position. Connect the power cord to a suitable electric socket (220-240V/1/50Hz). Turn the appliance on with POWER on the control panel. The unit emits a sound signal and is on standby, the colored LED on the front panel lights up. The display shows the humidity% detected in the room, therefore set a humidity % lower than at least 3% compared to that in the room to make the dehumidifier work. The dehumidifier is designed to operate at ambient temperatures from + 5°C to + 35°C. If it is operated at low temperatures, ice may form on the evaporator, degrading its operation. When this happens, the dehumidifier goes into defrost mode. The compressor stops, but the fan continues running. The defrosting operation may start up and operate for some minutes; during the defrosting operation, the dehumidification function may intermit: please don’t turn off the switch or pull out the power plug of the dehumidifier. We recommend not using the dehumidifier in room temperatures lower than 5°C. Do not remove the tank when the unit is in operation. If you wish to make continuous draining of condensate, follow the instructions in the dedicated paragraph.

OPERATING PRECAUTIONS

The dehumidifier starts only if the humidity level in the room is higher than 3% of the set one. The dehumidifier will continue to operate until the set humidity level is reached, except for any interruptions due to filling the tank. When the water tank is full, the compressor stops running immediately and dehumidification stops; the fan stops after 3 minutes. Empty the tank and reposition it: after carrying out these operations, the unit will start operating again.

ATTENTION: After each interruption of operation, at least 3 minutes must elapse before the dehumidifier restarts: this startup delay protects the compressor from damage. If, on the other hand, the humidity% set is higher than that present in the room, the dehumidifier will not start. If, after following the instructions for starting the dehumidifier, the dehumidifier does not start and the (POWER) symbol does not light up, or the dehumidifier stops without reason, check that the condition of the plug and the power cord is good. Once this is done, wait 10 minutes and then restart the dehumidifier. If even after 10 minutes, the dehumidifier does not start, or if the cable or the plug are damaged, switch off the dehumidifier and contact a technical assistance center.

WARNING: When the dehumidifier is running, the compressor produces heat and the appliance emits warm air into the room. The room temperature will therefore tend to increase. This is completely normal.

TURNING THE DEHUMIDIFIER OFF

To turn the dehumidifier off press the POWER button. This shuts off power to the unit. Unplug the appliance if you do not intend to use it for some time.

HOW TO ELIMINATE CONDENSATE

The water extracted from the air can be collected in the provided front tank. When the tank is full, not inserted, or not correctly inserted, the FULL TANK led turns on and the unit beeps for about 10 seconds, at the end of which the unit turns off. To switch off the appliance, press the POWER button and wait a few seconds.

1. Carefully pull out the tank, following the direction of the arrow.
2. Empty the tank and dry it thoroughly.
3. Reposition the tank
4. Press the POWER button again to turn on the unit.

NB: If the full tank LED remains lit even after emptying the tank, check that the float, which is inside the tank, is correctly positioned.

Make sure not to damage the float and the locking rivet, which are inside the tank, otherwise, the unit will not automatically stop working when the water tank is full, and the water could leak out and risk wetting the tank. floor and damage the appliance.
N.B. Do not use the drainage pipe when you want to collect the condensate in the tank, otherwise, the water could come out from the pipe.

CONTINUOUS CONDENSATE DRAINAGE

The water can be continuously drained when using a PVC hose with an inner diameter of 11 mm (supplied). Turn off the appliance and remove the plug before connecting the hose. Connect the tube to the condensate drain hole securely and prepare a container that can hold the water. The tube must be connected without bends or bends, to facilitate easy drainage of the condensate, and must be positioned at a greater height than the drain hole. When disconnecting the hose, prepare a container to collect any residual water that may leak out of the hose.

CONTROL PANEL

DISPLAY ON CONTROL PANEL

BUTTONS and LEDs

1. POWER BUTTON: Press this button to turn the dehumidifier on and off. To turn on the dehumidifier, press this button, the unit emits a beep and is on standby. It works in Auto mode and in high fan speed. The dehumidifier starts to operate only if the humidity% is lower than that detected in the room (which is shown on the display), then set the desired humidity level. During operation, the Power symbol on the display remains always on and the display shows the humidity level detected in the room during the operation of the dehumidifier. By pressing this button again, the unit stops working and the ventilation stops.

2. MODE BUTTON: The unit works in the following circular sequence: Auto Mode -> Continuous Mode -> Sleep Mode, the corresponding symbols light up on the display according to the selected mode
   Auto mode: When the humidity in the room is 3% higher than the set one, the ventilation and the compressor start to work after 3 minutes. On the other hand, when the humidity in the room is 3% lower than the set one, the compressor stops while the ventilation continues for a short period of time. In Auto mode, it is possible to adjust the ventilation and humidity level.
   Continuous mode: The unit works continuously, but it is not possible to adjust the humidity level and ventilation.
   Sleep mode: Press the Mode button on the control panel to activate this function, the symbol lights up on the display. If no selections are made on the control panel within 10 seconds, the display turns off and the fan speed changes from high to low. To reactivate the lighting, press any button on the control panel. Press the Mode button again to deactivate this function. In sleep mode, the fan speed cannot be adjusted but the humidity level can be adjusted.

3. HUM BUTTON (HUMIDITY): press this button to adjust the desired humidity in the room (from 30 to 80%) in steps of 5% By keeping this button pressed for a long time, the humidity level in the room is shown on the display.

4. TIMER BUTTON: allows you to program switching on (if the unit is off) or switching off (if the unit is on) from 0 to 24 hours. Each time the button is pressed, the adjustment interval corresponds to 1 hour, and it is possible to view the time set on the display, the symbol on the display remains lit during the set time interval. It is always possible to view the set time by pressing the Timer button, then the display will return to showing the humidity level detected in the environment. To deactivate the Timer, “00” must appear on the display (flashes 4 times), and the Timer symbol on the display will turn off.

5. SPEED BUTTON (VENTILATION SPEED): It is possible to adjust the ventilation speed only in Auto mode. Press this button to adjust the speed from high to low, the corresponding symbols will light up on the display according to the selection made.

6. LOCK BUTTON: Long press of this button activates the control panel lock function, the corresponding symbol on the display lights up, and it is no longer possible to make selections on the control panel. Long press this button again to deactivate this function, and the symbol goes off on the display. When the appliance is switched off, the child lock function is automatically deactivated.

MEMORY FUNCTION: the dehumidifier starts up again after a power failure keeping the last settings.

COLOR LED
On the front panel of the dehumidifier there is a LED that shows different colors based on the humidity level detected in the room:

• Blue: Ambient humidity below 45%
• Green:  Ambient humidity between 45% and 65%
• Red: Ambient humidity above 65% If E0, E2, CL, CH, LO, or HI appear on the display on the control panel, the color of the LED will be red. (for error codes refer to the troubleshooting section).

CLEANING AND MAINTENANCE

MAINTENANCE OF THE HUMIDIFIER’S EXTERIOR SURFACE

• Warning Always pull the dehumidifier’s plug out of the power socket before cleaning it, to prevent electric shock and malfunction.
• Warning Do not wet the appliance or immerse it in water, otherwise, electric shocks may occur. Use a damp and soft cloth to clean the exterior surface of the dehumidifier. Do not use solvents, petrol, xylene, talcum powder, or brushes to clean the unit: these may damage the surface or color of the casing.

CLEANING THE WATER TANK

We advise removing the tank once every two weeks to prevent mould and bacteria from forming on it. Fill the tank with clean water and a small amount of detergent; swill the water around in it, then it out and rinse it thoroughly.

CLEANING THE AIR FILTER
The filter is designed to remove dust or dirt from the air. If the filter is clogged by dust, electricity consumption will be higher than normal.

Cleaning instructions:

1. Remove the water tank, then remove the filter by pulling it out from below, following the direction of the arrow. Clean the filter by washing it with warm soapy water DO NOT USE ALCOHOL, BENZENE OR OTHER AGGRESSIVE PRODUCTS Allow the filter to dry naturally, then insert it back into its housing. Do not use a hair dryer or fire to dry the filter Do not use sponges or brushes to clean the filter as they can damage it
2. Reposition the filter by inserting it as indicated by the arrow and replace the water tank. Do not use the dehumidifier without the filter as dust may affect the efficiency of the evaporator, resulting in higher energy consumption.

CONSERVATION AND STORAGE

If the unit is not used for a long period of time, it is necessary to carry out the following operations before storing it.

1. Turn off the device with the Power button and unplug the power cord from the power outlet.
2. Eliminate the water deposited in the water tank and dry it thoroughly
3. Clean the air filter and let it dry completely
4. Place the power cord in the water tank
5. Replace the filter
6. Store the device in an upright position and in a cool, dry, and ventilated place.

TROUBLESHOOTING

PROBLEM

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POTENTIAL CAUSE

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SOLUTION

---|---|---
The dehumidifier is not working.| The temperature is above 35 ° C or below 5 °C.

The internal tank is full.

The tank is not positioned correctly. The humidity in the room is at least 3% lower than that set

| The appliance does not work at these temperatures

Empty the tank and position the tank correctly.

Connect the plug.

Set the humidity% lower than 3% compared to that in the room

The noise suddenly increases while running| The unit is placed on an uneven surface. The air filter is clogged| Position the unit on an even and stable surface.

Clean the filter

Reduced dehumidification effect| The filter is full of dust.

The air inlet and outlet are blocked.

| Clean the filter.

Remove objects that obstruct the inflow and outflow of air.

E2| Humidity sensor problem| Contact a service center
LO HI CL CH| The humidity present in the environment is less than 20%

The humidity in the environment is higher than 90%

Low-temperature protection in an environment below 5 ° C

High-temperature protection in the

environment above 38 ° C

| The protection system is activated and the dehumidifier stops

The protection system is activated and the dehumidifier stops

REGULATION (EU) N. 517/2014 – F-GAS

• LILIUM ART 11 The unit contains R290, a natural greenhouse gas with global warming potential (GWP) = 3 – Kg. 0,045 = 0,000135 Tons CO2 equiv. Do not release R290 into the atmosphere.
• LILIUM ART 13 The unit contains R290, a natural greenhouse gas with global warming potential (GWP) = 3 – Kg. 0,050 = 0,000150 Tons CO2 equiv. Do not release R290 into the atmosphere.

INFORMATION FOR THE CORRECT DISPOSAL OF THE PRODUCT IN ACCORDANCE WITH EUROPEAN DIRECTIVE 2012/19/EU
This appliance may not be scrapped with domestic waste at the end of its life cycle. We call your attention to the crucial role played by the consumer in the re-use, recycling, and other forms of recovery of such waste. The appliance must be scrapped by a sorted waste disposal center or by returning it to the retailer (no charge is levied for this service) when you purchase a new equivalent appliance. Sorted disposal of electric and electronic equipment prevents the negative effects on the environment and human health resulting from improper scrapping, and also allows the materials from which it is made to be recovered and recycled, with significant savings in terms of energy and resources. The sorted disposal requirement is indicated by the crossed waste bin label affixed to the appliance.

Specialist’s Manual

Aptitude requirement for maintenance man (repairs. should be done only by specialists). a) 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, which authorizes their competence to handle refrigerants safely in accordance with industry-recognized assessment specifìcation. b) Servicing shall only be performed as recommended by the equipment manufacturer. Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of a person competent in the use of flammable refrigerants. Safety preparation work The maximum refrigerant charge amount is shown in the following table
(Note: Please refer to the nameplate for the charging quantity of R290)

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 precautions shall be complied with 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. The area around the workspace shall be sectioned off. Ensure that the conditions within the area have been made safe by control of flammable material.

• Checking for the 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 a fire extinguisher
  If any hot work is to be conducted on the refrigeration 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 refrigeration system which involves exposing any pipe work 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, removal, 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. “No Smoking” signs shall be displayed.

• 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. The ventilation should safely disperse any released refrigerant and preferably expel it externally into the atmosphere.

• Checks to the refrigeration 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;
  • of an indirect refrigerating circuit is being used, the secondary circuit shall be checked for the presence of refrigerant;
  • The marking of the equipment continues to be visible and legible. Markings and signs that are illegible shall be corrected;
  • Refrigeration pipes 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 of 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. If the fault cannot be corrected immediately but it is necessary to continue operation, an adequate temporary solution shall be used. This shall be reported to the owner of the equipment so all parties are advised. 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 the apparatus is mounted securely.
• 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

NOTE:
The use of silicone sealant can inhibit the effectiveness of some types of leak detection equipment. intrinsically safe components do not have to be isolated prior to working on them. Repair to intrinsically safe components Does 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. The test apparatus shall beat the correct rating. 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. Leak detection methods The following leak detection methods are deemed acceptable for all refrigerant systems. Electronic leak detectors may be used to detect refrigerant leaks but, in the case of flammable refrigerants, the sensitivity may not be adequate, or may need re-calibration. (Detection equipment shall be calibrated in a refrigerant-free area.) Ensure that the detector is not a potential source of ignition and is suitable for the refrigerant used. Leak detection equipment shall be set at a percentage of the LFL of the refrigerant and shall be calibrated to the refrigerant employed, and the appropriate percentage of gas (25 % maximum) is confirmed. Leak detection fluids are suitable for use with most refrigerants but the use of detergents containing chlorine shall be avoided as the chlorine may react with the refrigerant and corrode the copper pipe-work. If a leak is suspected, all naked flames shall be removed/extinguished. If leakage of refrigerant is found which requires brazing, all of the refrigerants shall be recovered from the system, or isolated (by means of shut-off valves) in a part of the system remote from the leak. For appliances containing flammable refrigerants, oxygen-free nitrogen (OFN) shall then be purged through the system both before and during the brazing process.

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 again 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 flushed with OFN to render the unit safe. 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, flushing shall be achieved by breaking the vacuum in the system with OFN 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 OFN 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 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 equipment. Hoses or
• lines shall be as short as possible to minimize the amount of refrigerant contained in them.
• Cylinders shall be kept upright.
• Ensure that the refrigeration 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 refrigeration 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. lt 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 reclaimed refrigerant. lt is essential that electrical power is available before the task is commenced. Become familiar with the equipment and its operation. Isolate system electrically.

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. Pump down the refrigerant system, if possible. If a vacuum is not possible, make a manifold so that refrigerant can be removed from various parts of the system. Make sure that the cylinder is situated on the scales before recovery takes place. Start the recovery machine and operate in accordance with the manufacturer’s instructions Do not overfill cylinders. (No more than 80 % volume liquid charge). Do not exceed the maximum working pressure of the cylinder, even temporarily. When the cylinders have been filled correctly and the process completed, make sure that the cylinders and the equipment are removed from site promptly and all isolation valves on the equipment are closed off. Recovered refrigerant shall not be charged into another refrigeration system unless it has been cleaned and checked. Labelling 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. AII 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. lf 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. www.argoclima.com

References

• Argoclima S.p.A.

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