Beko BP207C - Repairing Appliances with R290: General; General Repair Procedures

12 / EN
Local air-conditioner / User Manual
2.1 General nstructons
2.1.1 Checks to the area
Pror to begnnng work on systems contanng
flammable refrgerants, safety checks are
necessary to ensure that the rsk of gnton s
mnmzed. For repar to the refrgeratng system,
the followng precautons shall be compled wth
pror to conductng work on the system.
2.1.2 Work procedure
Work shall be undertaken under a controlled
procedure so as to mnmze the rsk of a
flammable gas or vapor beng present whle the
work s beng performed.
2.1.3 General work area
All mantenance staff and others workng n the
local area shall be nstructed on the nature of
work beng carred out. Work n confned spaces
shall be avod. The area around the workspace
shall be sectoned off. Ensure that the condtons
wthn the area have been made safe by control
of flammable materal.
2.1.4 Checkng for presence of
refrgerant
The area shall be checked wth an approprate
refrgerant detector pror to and durng work,
to ensure the techncan s aware of potentally
flammable atmospheres. Ensure that the leak
detecton equpment beng used s sutable for
use wth flammable refrgerants, .e. nonsparkng,
adequately sealed or ntrnscally safe.
2.1.5 Presence of fre extngusher
If any hot work s to be conducted on the
refrgeraton equpment or any assocated parts,
proprate fre extngushng equpment shall be
avalable to hand. Have a dry powder or CO 2 fre
extngusher adjacent to the chargng area.
2.1.6 No gnton sources
No person carryng out work n relaton to a
refrgeraton system whch nvolves exposng
any ppe work that contans or has contaned
flammable refrgerant shall use any sources
of gnton n such a manner that t may lead to
the rsk of fre or exploson. All possble gnton
sources, ncludng cgarette smokng, should
be kept suffcently far away from the ste of
nstallaton, reparng, removng and dsposal,
durng whch flammable refrgerant can possbly
be released to the surroundng space. Pror to
work takng place, the area around the equpment
s to be surveyed to make sure that there are no
flammable hazards or gnton rsks. “No Smokng”
sgns shall be dsplayed.
2.1.7 Ventlated area
Ensure that the area s n the open or that t s
adequately ventlated before breakng nto the
system or conductng any hot work. A degree
of ventlaton shall contnue durng the perod
that the work s carred out. The ventlaton
should safely dsperse any released refrgerant
and preferably expel t externally nto the
atmosphere.
2.1.8 Checks to the refrgeraton
equpment
Where electrcal components are beng changed,
they shall be ft for the purpose and to the correct
specfcaton. At all tmes the manufacturer’s
mantenance and servce gudelnes shall be
followed. If n doubt consult the manufacturer’s
techncal department for assstance. The
followng checks shall be appled to nstallatons
usng flammable refrgerants: the charge sze s
n accordance wth the room sze wthn whch
2. Instructons for reparng applances contanng
R290