Vacuum And Add Refrigerant - Midea MAD020T1N1S1 Technical Manual

MCAC-PDSM M-2013-04
the e operation o
pip pe in the pro
the e pipe to the
 Th he electroma
3.5 Vacuu um and ad
 Aft ter finished
the en filled with
for r 24 hours.
 Un nder the pipe
sys stem loop to
gla asses in indo
 Aft ter the vacu
am mount liquid
If t the connecti

12 2kg.
Wh hen the con

sys stem for the
as the folling f
of the comp ressor and i
ocess of pipe e intallation.
e outdoor un nits.
agnetic valve e wire conne
d refriger ant
piping conne ection betwe
2
h 30kgf/cm nitrogen fro
eline pressu urizing was n
o below 20P Pa, and keep
oor unit will indicate to b
um inspectio on, the refrig
refrigerant a and adds su
ng pipe leng gth of indoor
necting pipe e length is m
e system nor rmal operatio
formula:
Midea a Precision AC
its lifespan.T Trash and fo
Be sure to blow them o
ection as the e following f
Si ingle-syste m type
Dua al-system t type
een the indo oor and outd
m the outdo oor unit cove
no problem, use vacuum
p for 2 hours s, if the pres
be green.
geration sys stem should
uitable amou unt refrigeran
r unit and ou utdoor unit is
more than 10 0m, then it n
on. The calc culation for t
Technical Ma anual-Down D
oreign matte ers may com
off with niltro ogen before
igure:
door unit, op pen all ball v
er connector r, and then p
m pump to va acuum refrig
sure is no p picks up, the
static filling quickly by p
nt oil.
s within 10m m, the filling
eeds to add d refrigerant
the added q uantity of re
elivery Series
me into the
connecting
alves, and
pressurizing
geration
liquid sight
pecified
refrigerant is s
into the
efrigerant is
49 9