Work Procedure - Merax EX287226AAA Benutzerhandbuch

 Compliance with national gas regulations shall be observed.
 Keep any required ventilation openings clear of obstruction.
 The appliance shall be stored in a well-ventilated area where the room size corresponds to the
room area as specified for operation.
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
WARNING
accordance with an industry, recognized assessment specification.
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
WARNING
the use of flammable refrigerants.
If you don't understand something or need help, please contact the dealer services.
2.2 SAFETY PRECAUTIONS ON SERVICING
Please follow these warnings when to undertake the following when servicing an appliance with
R290.
2.2.1 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 minimized. For repair to the refrigerating system, the following
precautions shall be complied with prior to conducting work on the system.

2.2.2 Work procedure

Work shall be undertaken under a controlled procedure so as to minimize the risk of a flammable
gas or vapor being present while the work is being performed.
2.2.3 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 work space shall
be sectioned off. Ensure that the conditions within the area have been made safe by control of
flammable material.
2.2.4 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., no sparking, adequately
sealed or intrinsically safe.
2.2.5 Presence of fire extinguisher
27