2
Warn ngs (for us ng R290 refr gerant only)
14. Decomm ss on ng
Before carry ng out th s procedure, t s essent al that the techn c an
s completely fam l ar w th the equ pment and all ts deta l. It s
recommended good pract ce that all refr gerants are recovered
safely. Pr or to the task be ng carr ed out, an o l and refr gerant
sample shall be taken n case analys s s requ red pr or to re-use of
recla med refr gerant. It s essent al that electr cal power s ava lable
before the task s commenced.
a. Become fam l ar w th the equ pment and ts operat on.
b. Isolate system electr cally.
c. Before attempt ng the procedure ensure that:
Mechan cal handl ng equ pment s ava lable, f requ red, for
handl ng refr gerant cyl nders;
All personal protect ve equ pment s ava lable and be ng used
correctly; The recovery process s superv sed at all t mes by a
competent person;
Recovery equ pment and cyl nders conform to the appropr ate
standards.
d. Pump down refr gerant system, f poss ble.
e. If a vacuum s not poss ble, make a man fold so that refr gerant can
be removed from var ous parts of the system.
f. Make sure that cyl nder s s tuated on the scales before recovery
takes place.
g. Start the recovery mach ne and operate n accordance w th
manufacturer's nstruct ons.
Local air conditioner
19 / 224 EN