Emerio PAC-127111.1 Používateľská príručka

Typ
Používateľská príručka
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Content Inhalt Teneur Innehåll Inhoud Treść –
Contenido Obsah Obsah
Instruction manual English ................................................................................................... - 2 -
Bedienungsanleitung German ............................................................................................ - 22 -
Mode d'emploi French ....................................................................................................... - 44 -
Bruksanvisning Swedish ...................................................................................................... - 66 -
Gebruiksaanwijzing Dutch .................................................................................................. - 86 -
Instrukcja obsługi – Polish ................................................................................................... - 107 -
Manual de Instrucciones Spanish ..................................................................................... - 129 -
vod k použití – Czech ....................................................................................................... - 151 -
vod na obsluhu Slovakian ............................................................................................. - 171 -
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Instruction manual English
SAFETY INSTRUCTIONS
Before use make sure to read all of the below instructions in
order to avoid injury or damage, and to get the best results
from the appliance. Make sure to keep this manual in a safe
place. If you give or transfer this appliance to someone else
make sure to also include this manual.
In case of damage caused by user failing to follow the
instructions in this manual the warranty will be void. The
manufacturer/importer accepts no liability for damages
caused by failure to follow the manual, a negligent use or
use not in accordance with the requirements of this manual.
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. Indoor use only.
7. 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.
8. Never insert your fingers, rods into the air outlet. Take
special care to warn children of these dangers.
9. Keep the unit upward while transport and storage, for the
compressor locates properly.
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10. Before cleaning or moving the appliance, always turn off
and disconnect the power supply.
11. To avoid the possibility of fire disaster, the appliance shall
not be covered.
12. All the air-conditioner sockets must comply with the local
electric safety requirements. If necessary, please check it
for the requirements.
13. The appliance shall be installed in accordance with
national wiring regulations.
14. Details of type and rating of fusesT, 250V AC, 2A or
3.15A.
15. Contact authorized service technician for repair or
maintenance of this unit.
16. 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.
17. Compliance with national gas regulations shall be
observed.
18. 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.
19. 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.
20. Unplug the unit if strange sounds, smell, or smoke comes
from it.
21. Always plug the appliance into an earthed plug socket.
22. In case of any damage, please turn off the switch,
disconnect the power supply, and contact an authorized
service center for repair.
23. Do not use means to accelerate the defrosting process or
to clean, other than those recommended by the
manufacturer.
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24. 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.)
25. Do not pierce or burn.
26. Be aware that refrigerants may not contain an odour.
27. 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.
28. If the appliance is installed, 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.
29. The appliance must be stored in such a way as to prevent
mechanical failure.
30. 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.
31. 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.
32. Always let the appliance rest for at least 2 hours after
moving it from one location to another.
33. Regarding the instructions for repairing appliances
containing R290, please kindly refer to below paragraphs.
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Warning: Risk of fire / Flammable materials.
Read instruction manuals.
Operators 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.
All working procedure that affects safety means shall only be
carried out by competent persons.
The required distance around the unit should be at least
30cm.
Appliance shall be installed, operated and stored in a room
with a floor area larger than X m2.
MODEL
X (m2)
Model
5000Btu/h,7000Btu/h,
8000Btu/h
4
-
9000Btu/h,10000Btu/h,
10500Btu/h
12
PAC-127111.1
12000Btu/h,14000Btu/h,
16000Btu/h,18000Btu/h
15
-
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PAC-127111.1 EN
PARTS DESCRIPTION
1. Control panel
2. Air outlet
3. Wheel
4. Tab to control the left and right wind direction
5. Air inlet
6. Handle
7. Power cord storage
8. Hot air exhaust outlet
9. Bracket for hose connector (Air conditioner end)
10. Air inlet
11. Drain port (with rubber stopper)
12. Hot air exhaust hose
13. Hose connector (Air conditioner end)
14. Hose connector (Window end)
15. Remote control
Remote control
This unit has a remote control. 2 x 1.5V AAA batteries are to be installed. The functions of the remote control
buttons are the same as of the buttons on the control panel.
Control panel
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1. Power button
2. Temperature (timer) increasing button
3. Temperature (timer) decreasing button
4. Remote control signal receiver window
5. Mode button
6. Wind speed button
7. Timer on/off button
8. Water full indicator light
9. High speed indicator light
10. Low speed indicator light
11. Timer indicator light
12. Digital display
13. Cooling mode indicator light
14. Dehumidification mode indicator light
15. Fan mode indicator light
16. Wi-Fi indicator light
INSTALLATION (The pictures below are for the guideline to install the appliance. The appearance of the
appliance may be different from the product you purchased.)
The unit shall be installed on a flat surface where the air outlet would not be blocked. The required
distance around the unit should be at least 30cm. (Fig.1)
The unit shall not be installed in a laundry room.
Twist part B onto the hot air exhaust hose. Attach part A to B; lock them together. Now you get the hose
connector (Air conditioner end) assembled. Twist the hose connector (Window end) onto the hot air
exhaust hose. (Fig.2)
Insert the hose connector (Air conditioner end) into the brackets on the back of the unit. (Fig.3)
Put the other end of the exhaust hose to the nearby windowsill. (Fig.4)
OPERATION
Always let the appliance rest for at least 2 hours after moving it from one location to another.
Before use, check up whether the exhaust hose has been mounted properly. Plug in the appliance.
1. Power button
Press the button “POWERto turn on the appliance. The appliance will begin to work.
Press the button again, the appliance will be turned off.
Fig.1
Fig.3
Fig.4
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2. Temperature (timer) increasing button & temperature (timer) decreasing button
Press the button “TEMP+”/”TEMP- to set your desired room temperature from 16 to 31. The
buttons can also be used for timer adjustment from 1-24 hours during timer setting. The value will be
increased/decreased by 1 (/hour) for each press. Long press for rapid adjustment.
Please note: The appliance will turn off the compressor (for cooling) automatically once the room
temperature reaches the set temperature. The compressor will be turned on automatically when the room
temperature increases above the set temperature. The fan inside is always working throughout this
process. When the compressor is working, the unit will vibrate slightly. This is normal and harmless.
3. Wind speed button
Press the button SPEED” to switch the wind speed between low and high. The corresponding indicator
light “LOW”/”HIGH” will illuminate.
4. Mode button
Press the button “MODE” to choose your desired working mode among cooling, dehumidification and fan.
- Under cooling mode, the corresponding indicator light “COOL will illuminate. Press the button
TEMP+”/”TEMP-” to set your desired room temperature. Press the button “SPEED” to set your desired
wind speed.
- Under dehumidification mode, the corresponding indicator light DEHUM” will illuminate. The
appliance will automatically set the working temperature (2 below the current room temperature)
and set the wind speed at low. Temperature and wind speed cannot be adjusted manually.
- Under fan mode, the corresponding indicator light “FAN” will illuminate. Press the button “SPEED” to
switch the wind speed between low and high. Please note: Under this mode, no temperature function
is equipped. The digital display shows a value and that is meaningless.
5. Timer on/off button
Timer ON setting:
- When the appliance is OFF, press the button TIMER, the corresponding indicator light TIMER” will
illuminate.
- Press the button “TEMP+”/”TEMP-” to select a desired ON time from 1-24 hours. The “Preset ON Time”
will flash on the digital display. Press the button “TIMER” again (when still flashing) and the setting will
be in effect.
- The appliance will automatically turn on once the “Preset ON Time” has passed.
Timer OFF setting:
- When the appliance is ON, press the button TIMER, the corresponding indicator light TIMER” will
illuminate.
- Press the button TEMP+”/”TEMP- to select a desired OFF time from 1-24 hours. The “Preset OFF
Time” will flash on the digital display. Press the button TIMER” again (when still flashing) and the
setting will be in effect.
- The appliance will automatically turn off once the “Preset OFF Time” has passed.
Note: The digital display will show the countdown time by hour after the timer is set. Press the button “TIMER”
again, the timer function will be canceled.
NOTE: This appliance is equipped with a memory function. It will work with the previous set mode once turned
on again.
CAUTIONS for cooling and dehumidification operations:
- When using functions on cooling and dehumidification, keep an interval of at least 3 minutes between
each power on or off.
- Power supply shall meet the requirements.
- The socket is suitable for AC use.
- Do not share one socket with other appliances.
- Power supply is AC220-240V, 50Hz.
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Water full alarm
Under normal use, the unit can evaporate the condensed water automatically, and little of water will be
accumulated in the inner water tray.
As soon as the condensed water collected in the inner water tray reaches a certain height, a water full alarm
will be sent out: the water full indicator light will illuminate, and the digital display will show “E2” code approx.
5 minutes later.
Thus, when the water full alarm occurs, please drain the water in the water tray. Remove the rubber stopper
from the drain port at the bottom of the unit, and drain out the water.
Continuous drainage
Continuous drainage can be used to avoid the water full alarm disturbance. Prepare a drain hose. Connect it to
the drain port to drain out the water. The unit can also work well.
- If you plan to leave this unit unused for a long time, please use the drain port to drain out the water.
- If the condensed water accumulates fast and leads to water full alarms shortly, the splash motor inside the
machine may be damaged. In this case, please contact our service department at www.emerio.eu/service
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 Tuya Smart” 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 “Air Conditioner (Wi-Fi). (Fig.2)
You will get the prompt that asks you to use 2.4 GHz Wi-Fi network and enter password. (Fig.3) Tap “Next”
to get Fig.4.
Note: When setting up 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 Tuya Smart in the
phone. When this is done you can access the appliance from your phone on any network.
There are two ways to do the net pairing. Press and hold the wind speed button on the control panel for
approx. 5 seconds until a beep sound is heard, the Wi-Fi indicator light will blink quickly (way 1). Continue
to press and hold the wind speed button for another 5 seconds until a beep sound is heard, the Wi-Fi
indicator light will blink slowly (way 2).
It is recommended to use way 1; if failed please use way 2.
Way 1:
1) Press and hold the wind speed button for approx. 5 seconds until a beep sound is heard and the Wi-Fi
indicator light blinks quickly.
2) Tap Confirm the indicator is blinkingin Fig.4. You will get Fig.5 that asks you to select the status of
the indicator light. Tap “Blink Quickly”.
3) Wait until you get Fig.7 and then tap “Done”.
4) Now you can operate your device in the control interface. Tap buttons to set your appliance.
Way 2:
1) Press and hold the wind speed button for approx. 5 seconds until a beep sound is heard and the Wi-Fi
indicator light blinks quickly. Continue to press and hold the wind speed button for another 5 seconds
until a beep sound is heard and the Wi-Fi indicator light blinks slowly.
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2) Tap Confirm the indicator is blinkingin Fig.4. You will get Fig.5 that asks you to select the status of
the indicator light. Tap “Blink Slowly”.
Continue to tap “Go to Connect” in Fig.6 to connect your mobile phone to the device’s hotspot
“SmartLife-XXXX”. After the hotspot has been connected, go back to the App.
3) Wait until you get Fig.7 and then tap “Done”.
4) 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
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Fig.3 Fig.4
Fig.5 Fig.6
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Fig.7
Control interface
1. Tap “OFF” in Fig.8, the interface will turn to Fig.9 and the appliance will begin to work.
2. Kindly note below interface is a generic version which includes other selections e.g., humidity, swing, etc.
These functions are not applicable for this model. Please follow the functions under section OPERATION
to conduct app control.
Fig.8 Fig.9
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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.
Air Filter
If the air filter becomes clogged with dust/dirt, the air filter should be cleaned once every two weeks.
- Pull out the air filter (A) from the air inlet grille by the pull tab (B).
- Clean the air filter with neutral detergent in lukewarm water (40) and dry it up in the shade.
- Insert the air filter back into the air inlet grille.
Clean the Surface
First clean the surface with a neutral detergent and wet cloth, and then wipe it with a dry cloth.
TROUBLESHOOTING
Troubles
Possible Causes
Solutions
Appliance does not
start when pressing
the power button
Water full indicator light blinks, and
water tray is full.
Remove the rubber stopper to dump
the water out from the drainage outlet.
Room temperature is lower than the
setting temperature.
Reset the temperature.
Not cool enough
The doors or windows are not closed.
Make sure all the windows and doors
are closed.
There are heat sources inside the room.
Remove the heat sources if possible.
The hot air exhaust hose is not
connected or blocked.
Connect or clean the hot air exhaust
hose.
Temperature setting is too high.
Reset the temperature.
Air inlet is blocked.
Clean the air inlet.
Noisy
The ground is not level or not flat
enough.
Place the appliance on a flat, level
surface if possible.
The sound comes from the flowing of
the refrigerant inside the appliance.
It is normal.
E0 Code
Room temperature sensor failed.
Replace the room temperature sensor.
Contact authorized service technician
for repair.
E1 Code
Condenser temperature sensor failed.
Replace condenser temperature sensor.
Contact authorized service technician
for repair.
E2 Code
Water tray full when cooling.
Take off the rubber stopper and empty
the water.
E3 Code
Evaporator temperature sensor failed.
Replace evaporator temperature sensor.
Contact authorized service technician
for repair.
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Appliance stops
cooling after a
running cycle of 50
minutes.
When the ambient room temperature
drops to 21⁰C or below for 50 minutes
during cooling mode, the appliance will
be stopped for 5 minutes by the default
programme.
No action required. This is to avoid the
internal copper cooling pipes from
freezing. The appliance will resume
again after 5 minutes and this cycling
process will be repeated continuously.
TECHNICAL DATA
Notice: Operation temperature range:
Maximum cooling
Minimum cooling
Dry bulb temperature / Wet bulb temperature()
35/24
18/12
Below data for your operating reference
Model
PAC-127111.1
Rated voltage
220-240V
Rated frequency
50Hz
Rated input
1000W
Rated current
4.5A
Cooling capacity
2500W (9000Btu/h)
Moisture removal (L/H)
1.0
Air flow
230m³/h
Max. transmitting power
20 dBm
Frequency range
2400 - 2484 MHz
ERP INFORMATION
Value
Trademark
Emerio
Model identification
PAC-127111.1
Sound power (cooling)
65dB(A)
Name of refrigerant
R290 (0.16kg)
Rated power input for cooling (kW)
1.0
Rated energy efficiency ratio
2.6
GWP (kgCO2eq)
3
Energy efficiency class
A
Energy consumption for double ducts appliances (kWh/h)
N.A
Energy consumption for single duct appliances (kWh/h)
1.0
Power consumption in thermostat-off mode (W)
N.A
Power consumption in stand-by mode (W)
2.0W
Cooling capacity
2500W
Refrigerant leakage contributes to climate change. Refrigerant with lower global warming potential (GWP)
would contribute less to global warming than a refrigerant with higher GWP, if leaked to the atmosphere.
This appliance contains a refrigerant fluid with a GWP equal to 3. This means that if 1 kg of this refrigerant
fluid would be leaked to the atmosphere, the impact on global warming would be 3 times higher than 1 kg
of CO2, over a period of 100 years. Never try to interfere with the refrigerant circuit yourself or disassemble
the product yourself and always ask a professional.
#Energy consumption 1.0 kWh for model PAC-127111.1 in 60 minutes of use under standard test conditions.
The actual energy consumption depends on how the device is used and where it is located.
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For any additional information, please contact:
Emerio B.V. Customer service: Kundeninformation: Klantenservice:
Oudeweg 115 T: +31 (0) 23 3034369 T: +49 (0) 3222 1097 600 T: +31 (0) 23 3034369
2031 CC Haarlem www.emerio.eu/service www.emerio.eu/service www.emerio.eu/service
The Netherlands
GUARANTEE AND CUSTOMER SERVICE
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. In addition to statutory legal
rights, the purchaser has an option to claim under the terms of the following guarantee:
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
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.
ENVIRONMENT FRIENDLY DISPOSAL
Recycling European Directive 2012/19/EU
This marking indicates that this product should not be disposed with other household wastes. To
prevent possible harm to the environment or human health from uncontrolled waste disposal,
recycle it responsibly to promote the sustainable reuse of material resources. To return your used
device, please use the return and collection systems or contact the retailer where the product was purchased.
They can take this product for environmental safe recycling.
BATTERY MUST BE RECYCLED OR DISPOSED OF PROPERLY. DO NOT OPEN. DO NOT DISPOSE
OR IN FIRE OR SHORT CIRCUIT.
Emerio B.V. Customer service: Kundeninformation: Klantenservice:
Oudeweg 115 T: +31 (0) 23 3034369 T: +49 (0) 3222 1097 600 T: +31 (0) 23 3034369
2031 CC Haarlem www.emerio.eu/service www.emerio.eu/service www.emerio.eu/service
The Netherlands
Looking for spare parts? Have a look at www.spareparts.emerio.eu
Sie brauchen Ersatzteile? Besuchen Sie www.ersatzteile.emerio.eu
Onderdelen nodig? Kijk op www.onderdelen.emerio.eu
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INSTRUCTIONS FOR REPAIRING APPLIANCES CONTAINING R290
1. Servicing
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.
2) Work procedure
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.
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 refrigeration equipment
Where electrical components are being changed, they shall be fit for the purpose and to the correct
specification. At all times the manufacturers maintenance and service guidelines shall be followed. If in doubt
consult the manufacturers 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.
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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 manufacturers 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.
4. 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.
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
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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:
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. 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.
9. 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
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;
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• 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 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.
10. Labelling
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.
11. 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 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.
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Emerio PAC-127111.1 Používateľská príručka

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