2
Warn ngs (for us ng R290 refr gerant only)
h. Do not overf ll cyl nders. (No more than 80 % volume l qu d charge).
. Do not exceed the max mum work ng pressure of the cyl nder, even
temporar ly.
j. When the cyl nders have been f lled correctly and the process
completed, make sure that the cyl nders and the equ pment
are removed from s te promptly and all solat on valves on the
equ pment are closed off.
k. Recovered refr gerant shall not be charged nto another
refr gerat on system unless t has been cleaned and checked.
15. Labell ng
Equ pment shall be labelled stat ng that t has been de-
comm ss oned and empt ed of refr gerant. The label shall be dated
and s gned. Ensure that there are labels on the equ pment stat ng the
equ pment conta ns flammable refr gerant.
16. Recovery
When remov ng refr gerant from a system, e ther for serv c ng
or decomm ss on ng, t s recommended good pract ce that all
refr gerants are removed safely.
When transferr ng refr gerant nto cyl nders, ensure that only
appropr ate refr gerant recovery cyl nders are employed.
Ensure that the correct number of cyl nders for hold ng the total
system charge s ava lable. All cyl nders to be used are des gnated for
the recovered refr gerant and labelled for that refr gerant ( .e. spec al
cyl nders for the recovery of refr gerant). Cyl nders shall be complete
20 / 224 EN
Local air conditioner