Daikin RZVF50, Руководство по установке

Страница: 55 / 70

START
I
Check
the
existing
Non-standard
}--
Reuse
pipe
size
size
e�
g
(Standard
size)
ot
allow
ed
1
see
if
the
already
installed
air
conditioner
can
operate
and
perform
I
operation
not
possible
a
pump-down
operation.
I
pump-down
operation
not
poss
i b
I e.
(Both
operation
and
pump-down
a re
possible
)
I
Check
the
existing
I
�
Lo
n g
e r
t ha
n
3 O
m.
'
pipe
I ength.
I
I
After
30
minutes
of
cooling
operation,
proceed
with
pump-down
operation
without
I I
I
I
( 30
m.
or
I es
s)
interruption.
After
30
minutes
of
cooling
operation,
proceed
I
I
Refrigerant
recovery
I
with
pump-down
operation
without
interruption,
I
(see
back
page)
I
!
Remove
the
existing
I
I
Remove
the
existing
I
air
conditioner.
air
conditioner,
Rework
the
flare,
(For
R32
:
see
table
on
next
page,
)
Use
the
supplied
flare
nut.
I
Existing
pi
ping
wort
tor
new
air
conditioner
PRECAUTIONS
ON
REFRIGERANT
PIPING
■
Clean
pipe
if
existing
air
conditioner
is
[gas,
oil
heat
pump
type].
■
Clean
pipe
if
used
compressor
oil
in
existing
air
conditioner
is
other
than
[SUNISO,
MS,
HAB,
Barrel
freeze,
JOMO,
Ethereal
oil,
Ester
oil].
■
Clean
pipe
if
existing
indoor
and
outdoor
unit
is
disconnected.
■
Change
new
pipe
if
refrigerant
leakage
or
it
should
adding
refrigerant.
■
Change
new
heat
insulation
if
existing
part
is
peeling
off.
(Note)
(DC!ean
the
pipe
if
refrigerant
leakage
and
unit
has
not
service
port
on
gas-I
iquid
stop
valv
e.
(Z)If
indoor
unit
equipped
with
I
EV
valve,
open
that
valve
before
recovery
refrigerant.
@
Maximum
pipe
length
as
per
specified
on
next
page.
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0 :::ti m
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C:
en
m
-I
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z
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55