PAC127560 - Air Conditioning Emerio - Free user manual and instructions

USER MANUAL PAC127560 Emerio

1. Read and save these instructions. Attention: pictures in the instructions are for reference only.

2. This appliance can be used by children aged from 8 years and above and persons with reduced physical,

sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.

3. Children shall not play with the appliance.

4. Cleaning and user maintenance shall not be made by children without supervision.

5. If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly

qualified persons in order to avoid a hazard.

6. Do not pierce or burn.

7. Be aware that refrigerants may not contain an odour.

8. The appliance must be stored in such a way as to prevent mechanical failure.

10. Do not use the unit in an area: near to source of fire; where oil is likely to splash; exposed to direct

sunlight; where water is likely to splash; near a bath, a laundry, a shower or a swimming pool.

11. Never insert your fingers, rods into the air outlet. Take special care to warn children of these dangers.

12. Before cleaning or moving the appliance, always turn off and disconnect the power supply.

13. Do not pull, deform or modify the power supply cord, or immerse it in water. Pulling or misuse of the

power supply cord can result in damage to the unit and cause electrical shock.

14. 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 the person competent in the use of flammable refrigerants.

15. Do not operate or stop the unit by inserting or pulling out power plug, it may cause electric shock or fire

due to heat generation.

16. Unplug the unit if strange sounds, smell, or smoke comes from it.

17. Always plug the appliance into an earthed plug socket.

18. In case of any damage, please turn off the switch, disconnect the power supply, and contact an

authorized service center for repair.

19. Do not use means to accelerate the defrosting process or to clean, other than those recommended by

20. The appliance shall be stored in a room without continuously operating ignition sources (for example:

open flames, an operating gas appliance or an operating electric heater.).

21. This appliance contains R290 refrigerant gas. R290 is a refrigerant gas that complies with the European

directives on the environment. Do not puncture any part of the refrigerant circuit.

22. If the appliance is operated or stored in an unventilated area, the room must be designed to prevent to

the accumulation of refrigerant leaks resulting in a risk of fire or explosion due to ignition of the refrigerant caused by electric heaters, stoves, or other sources of ignition.

23. Individuals who operate or work on the refrigerant circuit must have the appropriate certification issued

by an accredited organization that ensures competence in handling refrigerants according to a specific evaluation recognized by associations in the industry.- 3 -

24. Repairs must be performed based on the recommendation from the manufacturing company.

Maintenance and repairs that require the assistance of other qualified personnel must be performed under the supervision of an individual specified in the use of flammable refrigerants.

25. Regarding the instructions for repairing appliances containing R290, please kindly refer to below

26. Always let the appliance rest for at least 2 hours after moving it from one location to another.

Warning: Risk of fire / Flammable materials.

Read instruction manuals. Operator’s manual; operating instructions. Service indicator; read technical manual.

Warning: Keep ventilation openings clear of obstruction.

Warning: The appliance shall be stored in a well-ventilated area where the room size corresponds to the room

area as specified for operation. The required distance around the unit should be at least 20cm. Appliance shall be operated and stored in a room with a floor area larger than 13 m

1. Before the first use, please turn on the power supply, press the power button, and connect the machine

with the water tap with the self-contained Water inlet / outlet hose according to the voice prompt.

2. When cooling, the highest water temperature is 40℃, and the lowest water temperature is -9℃. The

highest working pressure of the water cycle is 0.03MPa, and the lowest working pressure is 0.005MPa. The maximum water inlet pressure is 0.2-0.6MPa. When heating, the highest water temperature is 30℃, and the lowest water temperature is -9℃.

3. Since it is an energy storage heat pump type mobile air conditioner, this machine can be used without

installation. Before cooling operation or heating operation, please complete cold storage or heat storage in advance. In order to get longer time of cooling operation or heating operation, please store cold energy or heat energy as much as possible.

4. Move slowly to avoid collision or toppling.

5. Please do not stack things at the air inlet / outlet of the machine. There shall be a space of at least 200mm

between the air inlet / outlet and surrounding objects, and keep the air inlet / outlet unobstructed to avoid affecting the air exchange of the air inlet / outlet of the machine.

6. When cleaning and maintaining the machine, please use soft cloth to wipe the machine. Do not use wax,

diluent or irritant detergent.

7. Please clean the filter frequently. It is recommended to clean it every two weeks.

8. If you do not use the machine for a long time, please unplug the power plug and drain the water in the

9. Do not disassemble or repair the machine without professional maintenance personnel.- 4 -

10. When the water temperature is 18 degrees or below, please do not inflow or drain water. (The water tank

temperature will be shown on the digital display under cold storage or heat storage function, and on the App control interface.) Special Remind

1. During cold storage, please open doors and windows for ventilation.

2. After switching mode, the compressor may enter the protection state. The unit may keep stationary. You

must wait for 3 minutes before the compressor can start again.

3. When the compressor starts, there is a little noise of two-phase flow. After the compressor starts, the

noise of two-phase flow will disappear.

4. After the completion of drainage, screw off the inlet / outlet pipe and take it off the machine. Otherwise,

siphonage will occur. Even if the drainage has stopped, water will flow out of the machine.

5. Even if the drainage function of the machine is used to drain the water in the tank, the water cannot be

completely drained. Therefore, when moving, carrying and storing, the machine body should be upright and not be dumped. In case of toppling, do not start the power supply immediately, it should be placed for a period of time, and start the power supply after the water is completely evaporated.

6. Users should pay attention to the temperature of the water in the water tank when draining water. Water

in tank should be drained at the temperature above 18℃. If it is lower than 18℃, please use the heat storage function to increase the water temperature before draining. Otherwise, the ice in water tank may cause drainage failure, or water cannot be emptied completely.

7. Notice: After switching on each mode, the fan inside the appliance will be running for 30 seconds first,

and then the appliance will work according to your desired mode function. PARTS DESCRIPTION

3. Handle (on both sides)

Note: please check the separate leaflet for the water connectors.- 5 - Control panel A. Power button Press this button to switch on/off the appliance. B. Drainage button Press this button to start water drainage function. C. Inflow button Press this button to start water inflow function. D. + / - buttons In cold storage, cooling, strong cooling, heat storage or heating mode, press the buttons to increase or decrease the setting temperature (Each press adjusts 1 degree). For timer and preset functions, press the buttons to increase or decrease the setting time (Each press adjusts 1 hour.) E. Digital display

F. Mode button Press this button to select the mode: Cold storage, cooling mode, strong cooling mode, dehumidification mode, heat storage, heating mode and ventilation mode. G. Wind speed button Press this button to select the wind speed: low / mid / high / automatic. H. Swing button Press this button to select up-down swing or stop swing.

When the machine is running under cooling, strong cooling, dehumidification, heating or ventilation mode, press this button to set the end time of the mode. When the machine is just powered on, press this button to set the start time and end time of the mode. J. Preset button Press this button to preset hours before the unit will be used, and this unit will store the energy (cold storage / heat storage) automatically during this period. USE Before using the unit please look at our below installation instruction videos. This machine adopts a unique energy storage system. It uses the stored cold or heat energy to run the unit for cooling or heating function. Therefore, please complete the cold storage function or the heat storage function in advance before setting the cooling mode / strong cooling mode or heating mode. Do not activate the cold storage function in the room that you want to cool. A lot of heat will be blown into the room during the cold storage function. For the best and fastest result position the unit near an open door or window during storage operation so the hot air is ventilated out. No energy storage is needed for dehumidification or ventilation function. You can press the mode button to choose dehumidification mode or ventilation mode directly without proceeding cold storage or heat storage in advance. Notice: After switching on each mode, the fan inside the appliance will be running for 30 seconds first, and then the appliance will work according to your desired mode function.

1. Connect the power supply

1) For the first use, please connect the power supply and then refer to step 2 of “Water inflow”.

2) When it is not used for the first time or there is water in the water tank, please insert the power plug

into the power socket and press the power button on the control panel.

In case of water shortage alarm (no water in the water tank during the first use or water shortage during use), please follow the steps below to feed water into the water tank inside the machine.- 7 -

1) Remove the water inlet knob at the back of the appliance by rotating it anti-clockwisely.

2) Use the water inlet/outlet hose to connect the machine with faucet. Press the water inflow button

and the faucet should be turned on at the same time.

3) When the water level reaches the working level, the water inlet valve will automatically close to

complete the water inlet.

4) Remove the water inlet/outlet hose and screw back the water inlet knob.

1) Press the mode button to select the cold storage function.

2) Press the button “+” or “-” to set the cold storage temperature. The lower the setting temperature is,

the greater the storage capacity is. Set the temperature range between -9℃ and 5℃.

3) After the completion of cold storage, the unit will automatically enter the standby state.

• During cold storage, the wind is at high speed and the swing blade is at the maximum outlet angle. At this time, the heat energy will be discharged. In a narrow space, please open the doors and windows for ventilation. Do not activate the cold storage function in the room that you want to cool. A lot of heat will be blown into the room during the cold storage function. For the best and fastest result position the unit near an open door or window during storage operation so the hot air is ventilated out.

• The actual temperature of water in the water tank is displayed during cold storage.

• The air inlet and air outlet shall not be covered.

Once the cold storage is finished:

1) Press the mode button to select the cooling mode.

2) Press the button “+” or “-” to set the cooling temperature, between 16℃ and 32℃.

3) Press the wind speed button to select the low / mid / high / automatic wind speed in 4 levels.

4) Press the swing button to turn on/off the swing function.

• It displays the room temperature during cooling.

• When the cooling capacity of the water in the water tank is used up (the water temperature reaches 40℃), the cooling shall be stopped, and the water can only be used after the cold storage.

This mode can be used when fast cooling is required.

1) Press the mode button to select the strong cooling mode.

2) Press the button “+” or “-” to set the strong cooling temperature, between 16℃ and 32℃.

3) The wind speed is by default and cannot be adjusted.

4) Press the swing button to turn on/off the swing function.

• It displays the room temperature during strong cooling.

• When the cooling capacity of the water in the water tank is used up (the water temperature reaches 40 ℃), the cooling shall be stopped, and the water can only be used after the cold storage.- 8 -

1) Press the mode button to select the heat storage function.

2) Press the button “+” or “-” to set the heat storage temperature, between 20℃ and 30℃.

The higher the setting temperature is, the greater the storage capacity is.

3) Once the digital display shows your set temperature, it means the heat storage completes.

• During heat storage, the air outlet fan is closed, and there is no air volume to blow out.

• The actual temperature of water in the water tank is displayed during heat storage.

Once the heat storage is finished:

1) Press the mode button to select the heating mode.

2) Press the button “+” or “-” to set the heating temperature, between 16℃ and 32℃.

3) Press the wind speed button to select the low / mid / high / automatic wind speed in 4 levels.

4) Press the swing button to turn on/off the swing function.

• It displays the room temperature during heating.

• The air inlet and air outlet shall not be covered.

2) Press the swing button to turn on/off the swing function.

• It displays the room temperature during dehumidification.

2) Press the wind speed button to select the low / mid / high wind speed in 3 levels.

3) Press the swing button to turn on/off the swing function.

• It displays the room temperature during ventilation.

10. Timing (To set the timer for cooling, strong cooling, dehumidification, heating or ventilation mode.)

- Set the end time when the appliance is running under cooling, strong cooling, dehumidification, heating or ventilation mode:

1) Press the timer button.

2) Press the button “+” or “-” to set the end time.

3) Press the timer button again for confirmation.

- Set the start time and end time when the appliance is just powered on, not running under cooling, strong cooling, dehumidification, heating or ventilation mode:

1) Press the power button to turn on the appliance and then press the timer button.

2) Follow the voice prompt to press the mode button to select your desired mode: cooling, strong

4) Press the button “+” or “-” to set the start time and then press the timer button for confirmation.

5) Press the button “+” or “-” to set the end time and then press the timer button for confirmation.

For example: We set the start time “1” and end time “2” at 9 a.m. The appliance will then start at 10 a.m. and stop at 12 a.m. Note:

• At the end of the timer setting, there shall be a voice prompt.

• Once the timer is set, the mode cannot be changed. If you want to change the mode, please press the power button to turn off and restart.

2) Press the button “+” or “-” to select within how many hours to finish the cold storage or heat

storage, (time range: 4-24 hours). After selecting the time, press the preset button again for confirmation, and the voice prompts that the preset is completed. - Preset cancellation method:

1) Press the preset button again, the previous preset will be cancelled, and a new preset can be

2) After the power is off, the preset will be cancelled automatically.

3) Press and hold the preset button for more than 3 seconds to cancel the preset.

Note: Once the cold storage or heat storage is finished, the unit will automatically enter the standby state. Press the mode button to choose cooling or heating function then. Other operations cannot be carried out after the preset is set. If users need to do other operations, please cancel the preset first.

1) Press and hold the button “+” and “-” at the same time for 3 seconds to turn on the child lock

function. All the buttons will be locked and cannot be operated.

2) Press and hold the button “+” and “-” at the same time for 3 seconds again to turn off the child lock

- Condensate drainage During use, condensate will accumulate in the water tray inside the machine. When the water level in the tray rises to a certain level, a condensate full alarm will appear: the machine will stop working once the water full indicator and "E4" code illuminate on the digital display. When this happens completely discharge the condensate water, (prepare a water container under the drainage port; pull out the plug and drain the condensate water), the condensate full alarm will turn off and the machine will continue to operate normally. Note: In order to avoid full water alarm disturbance ("E4" code illuminating on the digital display), (for example at night under cold storage, cooling or strong cooling mode), the provided drainage hose- 10 - can be used to drain the water continuously. To do so, remove the plug from the drainage port on the back of the machine. Connect the drainage hose to the port and drain water into a bucket or floor drain. (When pulling out the plug, condensate may flow out.) - Water tank drainage If users need to drain the water in the water tank, please follow below steps:

1) Unscrew the water outlet knob at the back of the appliance, tighten one end of the water inlet /

outlet hose to the drain hole, and connect the other end to a water collecting container or floor drain.

2) Insert the power plug into the power socket and press the power button on the control panel.

3) Press the drainage button. Continue to press and hold the drainage button for more than 3

seconds, the system will automatically start the water pump for drainage.

4) After the completion of drainage, the drainage pump will automatically shut down.

5) Remove the water inlet / outlet hose and screw back the water outlet knob.

14. Voice prompt on/off function

1) Press and hold the button “-” for more than 6 seconds, the indicator light of the power button will

flash twice and the voice prompt function will be turned off. Thus, no voice prompt will be sent out while operating the machine.

2) Press and hold the button “+” for more than 6 seconds to restore the voice prompt function.

Important: After switching mode, the compressor may enter the protection state. The unit may keep stationary. You must wait for 3 minutes before the compressor can start again. Observe the energy bar to check the status of the remaining stored energy. If the energy bar runs out or the low temperature indicator / high temperature indicator illuminates, please perform the heat storage / cold storage. Notice: Once the room temperature reaches to the set temperature, the unit will automatically stop and restart (according to the room temperature with a temperature difference of 2 degrees). The control panel will dim in 3 minutes with no operation. Press any button, the lightness will recover. Wi-Fi CONNECTION GUIDE (This guide for the APP may not be up to date due to software version upgrade or other reasons. This instruction is used as a guide only. Below mobile phone interface uses English version in iOS as an example.):

1. Search “Smart Life” in App Store (for iOS) or Google play (for Android) to download the application.

2. Sign up or log in to your account on the APP. Tap the “+” at top right corner or button “Add Device” to add

your device. (Fig.1)

3. Find “Large Home Appliances” and tap the icon “Portable Air Conditioner (BLE+Wi-Fi)”. (Fig.2)

Press and hold the power button on the control panel of the machine for approx. 5 seconds until the Wi-Fi indicator flashes quickly.

4. Tap “Confirm the indicator is blinking” in (Fig.3). Continue to tap “Blink Quickly” in (Fig.4).

You will get the prompt that asks you to use 2.4 GHz Wi-Fi network. Enter your Wi-Fi password and tap “Next”. (Fig.5) Note: When setting up the Wi-Fi function you need to select an available 2.4 GHz network and connect the appliance. Your mobile needs to be connected to the same network in order to set up Smart Life on the phone. When this is done you can access the appliance from your phone on any network.- 11 -

5. Wait until you get (Fig.6) and then tap “Done”.

6. Now you can operate your device in the control interface. Tap buttons to set your appliance.

Note: The appliance is compatible with Alexa and Google Assistant.

(Fig.1) (Fig.2)- 12 - (Fig.3) (Fig.4)

(Fig.5) (Fig.6)- 13 - Control interface Tap “ON/OFF” to start the appliance. Kindly note below interface is a generic version which includes other selections, which are not applicable for this model. Please follow the functions under section “USE” to conduct app control.

5. Auxheat (Only workable under heating mode.)

6. Fan speed selection

Note: There is no preset button in the App. Users can set the start time and shutdown time for all modes including cold storage and heat storage by adding schedules under the timer function. If you need to set a start time for a mode, make sure to:

1) Select the start time;

2) Tap “ON/OFF” and choose “ON”;

3) Choose your desired mode;

4) Set other functions like temperature, swing function and wind speed.

5) Tap “Save” on the top right corner.

If you need to set a shutdown time for a mode, make sure to:

1) Select the shutdown time;

2) Tap “ON/OFF” and choose “OFF”;

3) Choose your desired mode;

4) No need to set the temperature, wind speed or swing function.

5) Tap “Save” on the top right corner.

Make sure all settings are in the valid options / ranges (see section “USE”). For example, the valid temperature range of the heating mode is 16℃ to 32℃. However, the set temperature list shows -9℃ to 32℃ in App. Remember to choose a temperature between 16℃ and 32℃ if heating mode is selected.- 15 -

CLEANING AND MAINTENANCE

Before cleaning, be sure to disconnect the appliance from any electric supply outlet. Do not use gasoline or other chemicals to clean the appliance. Do not wash the appliance directly. Do not let water splash into the machine. Wipe with a soft semi dry cloth. Filter screen cleaning: Unscrew the two knobs of water inlet and water outlet from the rear side, then remove the rear air inlet grille, and remove the filter screen from the rear air inlet grille for cleaning. Put the filter screen into clean water or warm water (about 40℃) which has been added with neutral detergent, and then place it in dry air to dry naturally, and then reinstall the filter screen. Note:

1. Do not use water with too high temperature (suitable temperature is about 40℃) or irritant detergent

(such as alcohol, gasoline, benzene, etc.) to clean the filter screen.

2. In order to avoid the deformation of the filter screen, the cleaned filter screen should be kept away from

the heat source and put in the dry air to dry naturally.

3. It is recommended to clean the filter screen once every two weeks.

Replace the water in the water tank regularly It is recommended to replace the water in the water tank through water outlet / water inlet at least every quarter. Seasonal maintenance If you do not use the machine for a long time, please follow the steps below to maintain it:

1. Drain the water from the tank.

2. Clean and reinstall the filter screen.

3. Cover the machine with plastic bags and place it in a cool and dry place.

If it is not used for a long time, please pay attention to the following points when using it again:

1. Confirm whether there is water in the water tank or whether the water volume meets the requirements.

There will be a voice prompt when you start the machine. Please follow the prompt.

2. Check whether the power cord is in good condition. Do not use it if it is damaged.- 16 -

For service instruction please visit our service page www.emerio.eu/service

Water shortage of water tank Please connect the water inlet / outlet hose and press the inflow button to feed water.

Water tank is full Please connect the water inlet / outlet hose and press the drainage button to drain water.

Communication failure Please contact our customer service

Fault Maintenance The following table lists the common faults and maintenance methods of this energy storage mobile air conditioner. When the machine is abnormal, simple diagnosis and maintenance can be carried out through the following table. If it still cannot be solved, please contact professional maintenance personnel. Problem Possible Reason Solution The appliance does not work Power is not on. Turn on the power. Cooling and heating do not start. Check whether the set temperature has been reached. No waiting for three minutes after switching cooling / heating mode or shutdown. Wait for over three minutes. Poor cooling (heating) effect of the appliance The doors and windows are open, and there is a cold or heat leak in the room. There are other heat sources (cold sources). Close the door or window and remove the heat source (cold source). Filter screen is dirty. Clean or replace the filter screen. Air inlet or outlet blocked; poor air circulation. Remove blockage. The appliance is noisy The appliance is not put flat. Put it on flat surface to avoid waggling. Compressor does not work Compressor delay protection is enabled. Wait for more than 3 minutes and turn on the appliance after the temperature drops. In the cooling mode, when the water temperature does not reach the starting condition of the compressor, the water cycle is used for cooling, and the compressor does not start at this time. When the water cycle cooling is completed, the compressor will be automatically started for cooling. In the dehumidification mode, when the water temperature is below 18℃，the compressor does not work. Once the water temperature is above 18℃，the compressor will start to work. During cold storage, there is condensate on the front and back of the appliance. When the air humidity is high and the water vapor in the air is cold, the dew will condense on the front and back of the appliance. It is not a fault; you can continue to use the machine.- 17 - TECHNICAL DATA Below data for your operating reference Model: PAC-127560 Cold storage quantity: 4.5kW.h Storing cold consumes electricity: 0.9kW.h Cooling capacity: 600～2500W Heating capacity: 900～2500W Circulating air volume: 360m

Electric Shock Prevention: ClassⅠ Rated voltage and frequency: 220-240V~, 50Hz Rated power input when cooling: 30～800W Rated current input when cooling: 0.14～3.7A Rated power input when heating (including aux.) 600～1400W

Rated current input when heating: 2.8～6.5A

Supplementary Heater type: PTC

Supplementary Heater Input: 1000W

Supplementary Heater Current: 4.2A

Net wet (without water): 38.8kg

Circulating water in the tank (User to add): 37L

Maximum operating pressure of heat exchanger: 2.1MPa

Rated pressure of tank: 0Mpa

Max. transmitting power

Before delivery our devices are subjected to rigorous quality control. If, despite all care, damage has occurred during production or transportation, please return the device to your dealer. For the purchased device we provide 2 years guarantee, commencing from the day of sale. If you have a defective product, you can directly go back to the point of purchase. Defects which arise due to improper handling of the device and malfunctions due to interventions and repairs by third parties or the fitting of non-original parts are not covered by this guarantee. Always keep your receipt, without the receipt you can’t claim any form of warranty. Damage caused by not following the instruction manual, will lead to a void of warranty, if this results in consequential damages then we will not be liable. Neither can we hold responsible for material damage or personal injury caused by improper use if the- 18 - instruction manual is not properly executed. Damage to accessories does not mean free replacement of the whole appliance. In such case please contact our service department. Broken glass or breakage of plastic parts is always subject to a charge. Defects to consumables or parts subjected to wearing, as well as cleaning, maintenance or the replacement of said parts are not covered by the warranty and are to be paid. The crossed out wheelie bin symbol means that this product shall not be disposed of with normal household waste. Electronic and Electrical Equipment not included in the selective sorting process are potentially dangerous for the environment and human health due to the presence of hazardous substances. Please dispose of responsibly at an approved waste or recycling facility. For professional repair, installation problems and ordering spare parts, please contact our customer service: Emerio B.V. Customer service: Kundeninformation: Klantenservice: Oudeweg 115 T: [phone] T: [phone] T: [phone] 2031 CC Haarlem E: [e-mail] E: [e-mail] E: [e-mail] The Netherlands www.emerio.eu/service Looking for spare parts? Have a look at https://spareparts.emerio.eu Sie brauchen Ersatzteile? Besuchen Sie https://ersatzteile.emerio.eu Onderdelen nodig? Kijk op https://onderdelen.emerio.eu- 19 -

1) Checks to the area

Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary to ensure that the risk of ignition is minimised. For repair to the refrigerating system, the following precautions shall be complied with prior to conducting work on the system.

Work shall be undertaken under a controlled procedure so as to minimise the risk of a flammable gas or vapour 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. 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.

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 flammable atmospheres. Ensure that the leak detection equipment being used is suitable for use with flammable refrigerants, i.e. non-sparking, adequately sealed or intrinsically safe.

5) Presence of 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.

6) No ignition sources

No person carrying out work in relation to a refrigeration system which involves exposing any pipe work that contains or has contained flammable refrigerant 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 flammable 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.

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 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 charge size is in accordance with the room size within which the refrigerant containing parts are installed; – The ventilation machinery and outlets are operating adequately and are not obstructed; – If an indirect refrigerating circuit is being used, the secondary circuit shall be checked for the presence of refrigerant; – Marking to the equipment continues to be visible and legible. Markings and signs that are illegible shall be corrected; – Refrigeration 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 corroded or are suitably protected against being so corroded.- 20 -

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 there no live electrical components and wiring are exposed while charging, recovering or purging the system;

• That there is continuity of earth bonding.

2. Repairs to sealed components

1) 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.

2) 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 apparatus is mounted securely. Ensure that seals or sealing materials have not degraded such 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 silicon sealant may inhibit the effectiveness of some types of leak detection equipment. Intrinsically safe components do not have to be isolated prior to working on them.

3. 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 be at 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.

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.

5. 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.

6. Leak detection methods

The following leak detection methods are deemed acceptable for systems containing flammable refrigerants. Electronic leak detectors shall be used to detect flammable refrigerants, but 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- 21 - 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 a leakage of refrigerant is found which requires brazing, all of the refrigerant shall be recovered from the system, or isolated (by means of shut off valves) in a part of the system remote from the leak. Oxygen free nitrogen (OFN) shall then be purged through the system both before and during the brazing process.

7. Removal and evacuation

When breaking into the refrigerant circuit to make repairs – or for any other purpose – conventional procedures shall be used. However, it is important that best practice is followed since flammability is a consideration. The following procedure shall be adhered to:

• Purge the circuit with inert gas;

• Purge again with inert gas;

• Open the circuit by cutting or brazing. The refrigerant charge shall be recovered into the correct recovery cylinders. 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 this task. 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 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 there is ventilation available.

8. 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 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 OFN. 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.

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 reclaimed 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.- 22 - 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 cylinder is situated on the scales before recovery takes place. g) Start the recovery machine and operate in accordance with manufacturer's 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 refrigeration system unless it has been cleaned and checked.

Equipment shall be labelled stating that it has been de-commissioned and emptied of refrigerant. The label shall be dated and signed. Ensure that there are labels on the equipment stating the equipment contains flammable refrigerant.

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 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 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 manufacturer if in doubt. The recovered refrigerant shall be returned to the refrigerant supplier in the correct recovery cylinder, and the relevant Waste Transfer Note arranged. Do not mix refrigerants in recovery units and especially not in cylinders. If compressors or compressor oils are to be removed, ensure that they have been evacuated to an acceptable level to make certain that flammable refrigerant does not remain within the lubricant. The evacuation process shall be carried out prior to returning the compressor to the suppliers. Only electric heating to the compressor body shall be employed to accelerate this process. When oil is drained from a system, it shall be carried out safely. Competence of service personnel General Special training additional to usual refrigerating equipment repair procedures is required when equipment with flammable refrigerants is affected. In many countries, this training is carried out by national training organisations that are accredited to teach the relevant national competency standards that may be set in legislation. The achieved competence should be documented by a certificate. Training The training should include the substance of the following: Information about the explosion potential of flammable refrigerants to show that flammables may be dangerous when handled without care.- 23 - Information about potential ignition sources, especially those that are not obvious, such as lighters, light switches, vacuum cleaners, electric heaters. Information about the different safety concepts: Unventilated – Safety of the appliance does not depend on ventilation of the housing. Switching off the appliance or opening of the housing has no significant effect on the safety. Nevertheless, it is possible that leaking refrigerant may accumulate inside the enclosure and flammable atmosphere will be released when the enclosure is opened. Ventilated enclosure – Safety of the appliance depends on ventilation of the housing. Switching off the appliance or opening of the enclosure has a significant effect on the safety. Care should be taken to ensure a sufficient ventilation before. Ventilated room – Safety of the appliance depends on the ventilation of the room. Switching off the appliance or opening of the housing has no significant effect on the safety. The ventilation of the room shall not be switched off during repair procedures. Information about the concept of sealed components and sealed enclosures according to IEC 60079-15:2010. Information about the correct working procedures: a) Commissioning

• Ensure that the floor area is sufficient for the refrigerant charge or that the ventilation hose is assembled in a correct manner.

• Connect the pipes and carry out a leak test before charging with refrigerant.

• Check safety equipment before putting into service. b) Maintenance

• Portable equipment shall be repaired outside or in a workshop specially equipped for servicing units with flammable refrigerants.

• Ensure sufficient ventilation at the repair place.

• Be aware that malfunction of the equipment may be caused by refrigerant loss and a refrigerant leak is possible.

• Discharge capacitors in a way that won’t cause any spark. The standard procedure to short circuit the capacitor terminals usually creates sparks.

• Reassemble sealed enclosures accurately. If seals are worn, replace them.

• Check safety equipment before putting into service. c) Repair

• Portable equipment shall be repaired outside or in a workshop specially equipped for servicing units with flammable refrigerants.

• Ensure sufficient ventilation at the repair place.

• Be aware that malfunction of the equipment may be caused by refrigerant loss and a refrigerant leak is possible.

• Discharge capacitors in a way that won’t cause any spark.

• When brazing is required, the following procedures shall be carried out in the right order: – Remove the refrigerant. If the recovery is not required by national regulations, drain the refrigerant to the outside. Take care that the drained refrigerant will not cause any danger. In doubt, one person should guard the outlet. Take special care that drained refrigerant will not float back into the building. – Evacuate the refrigerant circuit. – Purge the refrigerant circuit with nitrogen for 5 min. – Evacuate again. – Remove parts to be replaced by cutting, not by flame. – Purge the braze point with nitrogen during the brazing procedure. – Carry out a leak test before charging with refrigerant.

• Reassemble sealed enclosures accurately. If seals are worn, replace them.- 24 -

• Check safety equipment before putting into service. d) Decommissioning

• If the safety is affected when the equipment is putted out of service, the refrigerant charge shall be removed before decommissioning.

• Ensure sufficient ventilation at the equipment location.

• Be aware that malfunction of the equipment may be caused by refrigerant loss and a refrigerant leak is possible.

• Discharge capacitors in a way that won’t cause any spark.

• Remove the refrigerant. If the recovery is not required by national regulations, drain the refrigerant to the outside. Take care that the drained refrigerant will not cause any danger. In doubt, one person should guard the outlet. Take special care that drained refrigerant will not float back into the building.

• Evacuate the refrigerant circuit.

• Purge the refrigerant circuit with nitrogen for 5 min.

• Fill with nitrogen up to atmospheric pressure.

• Put a label on the equipment that the refrigerant is removed. e) Disposal

• Ensure sufficient ventilation at the working place.

• Remove the refrigerant. If the recovery is not required by national regulations, drain the refrigerant to the outside. Take care that the drained refrigerant will not cause any danger. In doubt, one person should guard the outlet. Take special care that drained refrigerant will not float back into the building.

• Evacuate the refrigerant circuit.

• Purge the refrigerant circuit with nitrogen for 5 min.

Nenndruck des Tanks: 0 Mpa

16. Energie-indicator (energiebalk)