2
Warn ngs (for us ng R290 refr gerant only)
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.
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.
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:
Local air conditioner
13 / 224 EN