Shinco SPS-12C BTU Portable Air Conditioner Instruction Manual

SPS-12C
12000 BTU Portable A/C
Instruction Manual

SPS-12C BTU Portable Air Conditioner

Thank you for choosing this portable air conditioner. Please keep the manual for later review, and read the manual carefully before use.

Notes

Notes:

• The air conditioner is only suitable for indoor use, and is not suitable for other applications.
• Insert the 3 pin plug into a properly grounded wall socket. If you have any question on electrical installation, follow the instructions of the manufacturer , and if necessary , ask a professional electrician to install the unit.
• Place the machine on a flat and dry place and keep a distance of above 50cm between the machine and the surrounding objects or walls.
• After the air conditioner is installed, ensure that the power plug is intact and firmly plugged into the power outlet, and place the power cord securely to prevent someone from being tripped or accidently dislodging the service lead plug.
• Do not put any object into the air inlet and outlet of the air conditioner. Keep the air inlet and outlet free from obstructions.
• When drainage pipes are installed, ensure that the drainage pipes are properly connected, and are not distorted or kinked.
• While adjusting the upper and lower wind-guide strips of the air outlet, carefully use your hands to avoid damaging the wind-guide strips.
• When moving the machine, make sure that it is in an upright position.
• The portable air con should not be close to gasoline, flammable gas, stoves and other heat sources.
• Don’t disassemble, overhaul and modify the machine yourself, as it can cause a machine malfunction or even bring harm to persons and properties. To avoid danger, if a machine failure occurs, contact the manufacturer or professionals to repair it.
• Do not install and use the air conditioner in the bathroom or other humid environments.
• Do not pull the plug to turn off the machine.
• Do not place cups or other objects on the body to prevent water or other liquids from spilling into the air conditioner.
• Do not use insecticide sprays or other flammable substances near the air conditioner.
• Do not wipe or wash the air conditioner with chemical solvents such as gasoline and alcohol. When you need to clean the air conditioner, you must disconnect the power supply, and clean it with a damp soft cloth. If the machine is badly soiled, use a soft cloth with a mild detergent.
• The appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning shall not be done by children without supervision.

Features and Components

1. Features
   • New look, compact structure, streamlined machine. · With cooling, dehumidification and air supply function.
   • Automatic swing leaf in the outlet has automatic air swing function, and the outlet can be covered when the machine is turned off to prevent dust from entering the body.
   • The control panel has LCD displays. The High-quality LCD remote control is equipped to facilitate operation. The remote control can be placed on the back of the body. It adopts a user friendly remote control storage design.
   • Handles on both sides adopt dividing point design, so that it is easer to carry.
   • The layout of wrapping the power cord on the back facilitates users to secure the cord without hanging it down to the ground and damaging the power cord.
   • Outdoor interface is set high to facility assembly and keep the smooth flow of the heat pipe.
   • Air filtration capability.
   • Timing switch function, unique switching machine music.
   • Protection function of automatically restarting the compressor after three minutes, a variety of other protection functions.
   • Patented product, patent No.: CN201330444908.8.

2. Components

Requiring 1.8m being exposed
20| Power cord plug

Installation and Adjustment

1. Installation:
   Warning: before using the mobile air conditioner , keep it upright for at least two hours.
   The air conditioner can be easily moved in the room. In the moving process, ensure that the air conditioner is in the upright position and should be placed on a flat surface. Do not install and use the air conditioner in the bathroom or other humid environments.
   1.1 Install the heat pipe assembly (as shown in Figure 1): screw the heat pipe assembly (exhaust fitting end) into the exhaust port on the rear panel (counterclockwise).
   1.2 Install the window sealing plate assembly
   1). Half open the window, and mount the window sealing plate assembly to the window (as shown in Figure 2 and Figure 3); the assembly can be placed in horizontal and vertical direction.

2. Slide various components of the window sealing plate assembly open, adjust their opening distance to bring both ends of the assembly into contact with the window frame, and secure window sealing kit.
   1.3 Install the body
3. Move the machine with installed exhaust pipe and fittings close to the window, and the distance between the body and walls or other objects shall be least 50 cm (as shown in
   Figure 4).
4. Elongate the Exhaust pipe and snap the flat end of the pipe joints into the elliptical hole of the window sealing plate assembly (as shown in Figure 5 and Figure 6) .
   Notes:
   1. the flat end of the heat pipe joints must be snapped into place.
   2. The pipe cannot be distorted nor has substantial turning (greater than 45 °). Keep the ventilation of the heat pipe unobstructed.
   Important Notice
   The length of the exhaust hose shall be 280~1,500mm, and this length is based on the specifications of the air conditioning. Do not use extension tubes or replace it with other different hoses, or this may cause a malfunction. Exhaust must be unobstructed; otherwise it may cause overheating.

Control Setting

Operating instructions:

I. Operation interface is as follows:

1. When the machine is powered on for the first time, the control interface will beep, and then the machine will be into standby mode.

2. Power Key: press the key to tum on and turn off the machine. In the case of power on, press the key to tum off the machine; in the case of power off, press the key to tum on the machine.

3. Mode Selection Key: In the case of power on, press the key to switch between cooling → air supply → dehumidification →  cooling → … mode.

4. Up Key and Down Key: press the two keys to change the set temperature or timing sett value, operate as follows:
   While setting temperature, press up key or down key to select the required temperature (not available in air supply or dehumidification mode).
   Simultaneously press both keys to switch between Celsius (°C) and Fahrenheit

5. Fan Speed Selection Key:
   In cooling and air supply mode, press the key to select high, medium or low wind speed operation.
   In dehumidification mode, pressing the key is invalid, and the fan will forcibly choose low wind speed operation.

6. Timing Key:
   In the case of power on, press the key to close timing; 1n the case of power off, press the key to open timing.
   Press the key, when the timing symbol flashes, press up and down key to select the required timing value.
   Timing values can be set within 1-24 hours and the timing value is adjusted upwards or downwards by one hour.
   While setting Sleep mode, press the timing key and up key to select sleep mode, press both keys again to cancel sleep mode.

II. Operating Instructions of the Remote Control
Operation interface of the remote control is as follows:

Instructions of key operation of the high-quality remote control are as follows:

1. Power: Press the key to turn on or turn off the machine.
2. Mode: press the key to switch between cooling, air supply, dehumidification.
3. Up: press the key to increase temperature and timing set value.
4. Down: press the key to reduce temperature and timing set value.
5. Fan: press the key to select high, medium and low wind speed output circularly.
6. Timer: press the key to set timing value.
7. Swing: press the key to open or close swing style. Air flow of the air outlet can blow at different angles.
8. : press the key to switch between Celsius and Fahrenheit.

III. A Variety of Protection Functions

1. Frost Protection Function: In cooling, dehumidification or economic power saving mode, if the temperature of the exhaust pipe is too low, the machine will automatically enter protection status; if the temperature of the exhaust pipe rises to a certain temperature, it can automatically revert to normal operation.
2. Overflow Protection Function: When water in the Drain pan exceeds the warning level, the machine will automatically sound an alarm, and stop. The LCD temperature display area will show “FL”. At this point, you need to move the drainage pipe connecting the machine or remove the drainage plug to empty the water (details see drainage instruction) at the end of this chapter. After the water is emptied, the, machine will automatically return to the original state.
3. Protection Function of the Compressor To increase the service life of the compressor, it has a 3-minute delay booting protection function after the compressor is turned off.

Drainage Instructions

1. Manual drainage:
   1)When the machine stops after the water is full, turn off the Machine’s power and unplug the power plug.
   Notes: Please move the machine carefully, so as not to spill the water in the water pan at the bottom of the body.
   2)Place the water container below the side water outlet behind the body.
   3)Unscrew the drainage cover and unplug the water plug, the water will automatically flow into the water container(User must provide)
   Notes:
   1. Keep the drainage cover and the water plug in a safe place.
   2. During drainage, the body can be tilted slightly backwards.
   3. If the water container cannot hold all the water, before the water container is full, re insert the drainage plug back into the machine and repeat the drainage process.
   This is to prevent water from flowing to the floor or the carpet.

4. When the water is discharged, re insert the water plug , and tighten the drainage cover.
   Notes:
   1. Restart the machine after the water plug and drainage cover are installed, otherwise condensate water of the machine will flow to the floor or the carpet.
   2. Continuous drainage (only applicable to cooling and dehumidification mode), as shown in figure:
   1)Unscrew the drainage cover, and unplug the water plug.
   2)Set the drainage pipe into the water outlet.
   3)Connect the drainage pipe to the bucket.

Maintenance

Cleaning: before cleaning and maintenance, turn off the machine and unplug the service lead.

1. Clean the surface
   Clean surface of machine with a damp soft cloth. Don’t use chemicals, such as benzene, alcohol, gasoline, etc.; otherwise, the surface of the air conditioning will be damaged or even the whole machine will be damaged.

2. Clean the filter screen
   If the filter screen is clogged with dust, LINT the effectiveness of the air conditioner is reduced, be sure to clean the filter screen once every two weeks.
   1| Retaining screw
   ---|---
   2| Wedging block
   3| Wedging block

Clean the upper filter screen frame

1. Hold the wedging block of the EVA filter screen frame with hands. Force down from the outside to remove the EVA filter screen frame. Unscrew four screws fixing the EVA filter
   screen and the rear housing to remove the EVA filter screen (as shown in the above figure).

2. Put the EVA filter screen into warm water with neutral detergent (about 40 °C / 104 ‘F’) and dry it in the shade after rinsing clean.

Clean the lower filter screen frame

1. Hold the handle of the CON filter screen frame, and pull it outward gently to remove it.
2. Put the CON filter screen into warm water with neutral detergent (about 40 ‘C / 104 T’) and dry it in the shade after rinsing clean.

Postseason Storage:

1. Unscrew the drainage cover, unplug the water plug, and discharge the water in the water pan into other water containers or directly tilt the body to discharge the water into  other containers.
2. Turn on the machine, adjust it to fan -wind ventilation mode, and maintain this state until the drainage pipe becomes dry, so as to keep the inside of the body in a dry state and prevent it from mildewing.
3. Turn off the machine, unplug the power plug, and wrap the power cord around the wrapping guides; install the water plug and the drainage cover.
4. Remove the exhaust pipe and keep it 1n a safe place to avoid damage.
5. Cover the air conditioner with a plastic bag. Put the air conditioner in a dry place, keep it out of the reach of children, and take dust control measures.
6. Remove batteries of the remote control. Note: Store all the machines components, like hose, adaptor in a safe dry place.

Troubleshooting

Do not repair or disassemble the air conditioner by yourself. Unqualified repair will lead to failure of the warranty card, and may cause damage to users or their properties.

The air conditioner
does not work.| There is no electricity.| Check that the power socket is switched on and the power is working.
The overflow indicator displays “FL”.| Discharge the water inside.
The ambient temperature is too low or too high?| Please check temperature setting on the display or remote control
In cooling mode, the room
temperature is lower than the set temperature.| Change the set temperature.
In dehumidification mode, the
ambient temperature is low.| The machine is placed in a room with an ambient temperature of greater than 17 V (62 T).
The cooling or heating effect is not good| There is direct sunlight.| Draw the Curtains
Doors or windows are open; there are a lot of people; or in cooling mode , there  are other sources of heat.| Close doors and windows, and if possible reduce internal heat load.
The filter screen is dirty.| Clean or replace the filter screen.
The air inlet or outlet is blocked.| Clear obstructions.
Noisy| The air conditioner is not placed on a flat surface.| Place the air conditioner do a flat and firm surface.
The compressor does not work.| Overheat protection starts.| Wait for 3 minutes until the temperature is lowered, and then restart the machine.
The remote
control does not work.| The distance between the machine and the remote control is too far.| Move the remote-control closer to the air conditioner, and make sure that the remote control directly faces to the direction of the remove-control receiver.
The remote control is not aligned with the direction of the remote control receiver.
Batteries are dead.| Replace batteries.
Displays ‘El’.| The pipe temperature sensor is
abnormal.| Check that the exhaust hose is not kinked or restricted, check clean filter
Displays ‘E2’| The room temperature sensor is
abnormal.| Turn unit off wait 3 minutes and restart If fault re occurs please contact retailer.

Appendix

Fuse Parameters
Type: FSD or 50F
Voltage: 250V
Current: 3.15A
Schematic Diagram

For model, technology and specific parameters please refer to product nameplate.
Treatment: Don’t put the abandoned machine with other unsorted waste together. Such waste shall be placed separately for other special use.

Before Initiation
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. Failure to comply may lead the supply authority to impose restrictions to connection. Please consult your energy supply authority if the use of equipment exceeds 0.236 ohm.
• Any person who is involved with working on or breaking into a refrigerant a refrigerant circuit should hold a current valid certificate from an industry-accredited assessment authority. Which authorizes their competence to handle refrigerants safety in accordance with an industry recognized assessment specifications.
• Remember the environment when disposing of packaging around the appliance and when the appliance has reached its 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 connections 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;
• A warning that ducts connected to an appliance shall not contain a potential ignition source;
• 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.
• Do not pierce or burn.
• 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 odourless
• Use care when storing the appliance to prevent mechanical faults.
• Only persons authorized by an accredited agency certifying their competence to handle refrigerants in compliance with sector legislation should work on refrigerant circuit.
• All repairs must be carried out in accordance with the manufacturer’s recommendations.
• 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.
• Do not perforate any of the components in the refrigerant circuit. Refrigerant gas may be odorless

 Additional warning for appliance with R290 refrigerant gas (refer to the rating plate for the type of refrigerant gas used)

CAUTION ON FIRE
READ THE MAUAL CAREFULLY BEFORE USING THE APPLIANCE
R290 refrigerant gas complies with European environmental directives.
This appliance contains approximately 235g of R290 refrigerant gas Appliance shall be installed, operated and stored in a room with a floor area larger than 12 m 2.

Instruction,RepairingAppliancesContainingR290

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

2. Work procedure
   Work shall be undertaken under a controlled procedure so as to minimise the risk of a flammablegasorva pour being present while the work is being performed.

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

4. 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.

5. Presence of fir 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.

6. No ignition sources
   No person carrying out work in relation to a refrigerating 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, removing and disposal, during which refrigerant can possibly be released to the surrounding space. Prior to work takin place, the area around the equipment is to be surveyed to make sure
   that make sure that there are no flammable hazards or ignition risks. “No Smoking” signs shall be displayed

7. 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.

8. 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 befollowed.Ifindoubt,consultthemanufacturer’stechnicaldepartmentforassistance. 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;
   – theventilationmachineryandoutletsareoperatingadequatelyandarenotobstructed;
   – 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 which are inherently resistant to being corrode do rare suitably protected against being so corroded.

9. 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 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 capacitors are discharged: this shall be done in a safe manner to avoid 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.

10. 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, 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.

11. 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 current permitted for the equipment in use. Intrinsically safe components are the only types that can be worked on while live in the presence of a flammable atmosphere. The test apparatus shall eat 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.

12. 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.

13. 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 beused.

14. 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 inertgas;
    • 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 repected several times. Compressed air or oxygen shall not be used for puring 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 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 to any potential ignition sources and that ventilation is available.

15. 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 minimise the amount of refrigerant contained inthem.
    • 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 over fill 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.

16. 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 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) Make sure that cylinders is situated on the scales before recovery take splace.
    g) Start the recovery machine and operate in accordance with instructions.
    h) Do not overfill cylinders(no more than 80% volume liquid charge).
    i) Do not exceed the maximum working pressure of the cylinder, even temporarily.
    j) 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.
    k) Recovered refrigerant shall not be charged into another refrigerating system unless it has been cleaned and checked.

17. Labelling
    Equipment shall be labelled 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.

18. Recovery
    When removing refrigerant 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 labelled for that refrigerant (i.e. special cylinders for the recovery of refrigerant). Cylinders shall be complete with pressure-relief value and associated shut-off valves in good working order. Empty recovery cylinders are evacuted 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 w eighing scales shall be available and an in good working order. Hoses shall be complete with leak-free di sconnect 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 pre vent ignition in the event of manufacturer if indoubt.
    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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