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HEAT
PUMP WATER
HEATER
COMPRESSOR CRITERIA
PAGE:
6/
30
The refrigerating
11E1Chine
oil
shoold
be
contirn:JUSly returned
to
the crnpressor and can not
ram.in in
the
refrigeratioo
systan
Compressor oil
surface
height should be higher than
the
fuel
supply
po1t
7.5mm or more.
Compressor
operation,
not
allowed to
separate
the
two
layers of
oil
and
refrigerant.
However,
when
the foam
occurs,
the liquid becomes
foam,
this
pa1t
does
not
belong
to
the oil level.
If
you
can
not
meet the oil
level,
will
cause the
sliding
part of
the
lack
of
oil,
seriously
affecting
the
reliability.
(Can
be used to observe the oil with
a
rniirnr compressor to confum)
There should
be
supe1heated
gas returned to the
compressor
under all normal operating conditions.
Item
Discharge
pressure
MP
a
Suction
Pressure
MP a
Compressor case
bottom
temp
Motor winding temp
Accumul
ator temp
Ambient temp
Tab
l
e 2
Operating Enve
l
ope
4.
762 MAX
(see graph
1)
(condensing temperature
:
70 .C)
0.
272-
1.
652
(Evaporation
Temperature
:
-
3o·c-2s ·c
)
gg•cor be
l
ow and 6 degrees
higher than
condensing temperature
R.
Voltage±
IO%:
i2o·c MAX
Higher
than out
l
et
pipe
of evaporator
Meet for the condition of above mentioned motor winding
temp.
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