General Instructions; Work Procedure - Airgreen AG21 Manual De Instrucciones

16. Contact authorized service technician for repair or maintenance of this unit.
17. 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 electri-
cal shock.
18. Compliance with national gas regulations shall be observed.
19. Keep ventilation openings clear of obstruction.
20. Any person who is involved with working on or breaking into a refrigerant circuit should
hold a current valid certificate from an industry-accredited assessment authority, which
authorizes their competence to handle refrigerants safely in accordance with an indus-
try recognized assessment specification.
21. 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.
22. Do not operate or stop the unit by inserting or pulling out Die power plug, it may cause
electric shock or fire due to heat generation .
23. Unplug the unit if strange sounds, smell, or smoke comes from it.
Notes:
– If any parts damage, please contact the dealer or a designated repair shop;
– In case of any damage, please turn off the air switch, disconnect the power supply, and
contact the dealer or a designated repair shop;
– In any case, the power cord shall be firmly grounded.
– To avoid the possibility of danger, if power cord is damaged, please turn off the air
switch and disconnect the power supply. It must be replaced from the dealer or a de-
signated repair shop.
Instructions for repairing appliances containing
R290

1 GENERAL INSTRUCTIONS

1.1 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 con-ducting work on the
system.

1.2 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.
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