Advertisement
HEA
T
PUMP
WA
TE
R
HEAT ER COM
PR
ESSOR
CRITE RI
A
PAGE
:
14/
30
I
t
is
necessar
y
to
instal
l a
dr
yer to
dehumi
dify the res
i
dual
moisture mixed in
the
r
efrigerant
i
n
the cyc
ling
system.
The special
l
y
defined
molecular-
s
i
eve dryer is
advi
sed.
(21)
Use
the
r
efrigerant
of
spec ified
brand.
When the
refriger
ant
not spec
ified
used,
i
t
wi
ll
possibly
cause
t
r
ouble of
the
performance and rel
i
abi
l
ity
of
the
compressor
by
the
impurit ies
in
the
r
efrigerant.
(22)
The
l
ead
wir
es
shoul
d
be connected to
hermetic
termi
nals
wi
thout being
touched
on the
surface
of the
compr
essor.
(23)
Be
caref ul
of avo iding
oxide
scale whi
le soldering during
assembl
y of
refri ger
at
i
ng
system.
(for
example
:
flow
or
f ulfill dr
y
nitrogen)
(24)
The
quantity
and
k ind
of
contamination (the
pr
ocess
mater ial
s)
i
n the
cycle
shoul
d
be
gr
asped
and
managed.
Carry
on
re
l
iab
i
l
i
ty test that input
contami
nat
i
on
a
l
ot
than
anticipated
contaminat
i
on quant
i
ty.
(25)
To avo
id
water and
impur
ity
i
nto he
refri
ger
at
i
on
system
and make
sur
e no
leakage
of
refriger
ant
during
the
operating
course.
I
t's
r
equired
to
direct
the
er
ector
and
maintenance man
of
air-conditioner.
(26)
The
start-
up
curr
ent
and tors
i
on
of
compressor
Adjust the
star
t
-
up
curr
ent
of
the
compressor
to
get
enough torsion
by
i nver
ter.
Confirm
and
measure
the
star
t
-
up
current
i
f change the
parts
and
design.
Advertisement
