mundoclima MUPR-09-H11-E, Руководство по обслуживанию

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e Troubleshooting 15 f
2.Field Maintenance
Possible causes of trouble
C
o
m
p
re
sso
r st
u
c
k
S
h
or
ta
g
e
of
r
e
fr
ig
e
ra
n
t
R
e
st
ri
c
te
d
liq
u
id
lin
e
D
irt
y
a
ir f
il
te
r
D
ir
ty e
v
a
p
or
a
tor
c
o
il
In
su
ff
ici
e
n
t a
ir t
h
ro
u
g
h
e
v
a
p
o
ra
to
r co
il
Ov
e
rc
h
a
rg
e
o
f r
e
fr
ig
e
ra
n
t
D
ir
ty or
pa
rt
ia
ll
y bl
oc
k
e
d c
o
nde
ns
e
r
Ai
r o
r i
n
co
m
p
re
ss
ib
le
g
a
s i
n
re
fr
ig
e
ra
n
t cy
cl
e
S
h
or
t c
y
c
li
n
g
of
c
o
nde
ns
in
g
a
ir
H
ig
h
t
e
m
p
e
ra
tur
e
c
o
nde
ns
in
g
m
e
di
um
In
su
ff
ic
ie
n
t c
o
nde
ns
in
g
m
e
di
um
B
ro
k
e
n
co
m
p
re
ss
o
r i
n
te
rn
a
l p
a
rt
s
In
e
ff
ic
ie
n
t c
o
m
p
re
sso
r
E
x
pa
ns
io
n va
lv
e
obs
tr
u
c
te
d
E
x
p
a
n
sio
n
v
a
lv
e
o
r c
a
p
illa
ry
t
u
b
e
c
lo
se
d
c
o
m
p
le
te
ly
Lea
k
in
g
p
o
w
e
r el
em
en
t o
n
ex
p
a
n
si
o
n
v
a
lv
e
P
o
o
r in
st
a
lla
ti
o
n
o
f fe
e
le
r b
u
lb
H
e
av
y
l
o
ad
c
o
n
d
it
io
n
Lo
os
e
n
hol
d
dow
n
bol
ts
a
nd /
or
s
c
re
w
s
S
h
ippi
ng
pl
a
te
s r
e
m
a
in
a
tt
a
c
h
e
d
P
oor
c
h
oi
c
e
s of
c
a
pa
c
it
y
C
o
nt
a
c
t of
pi
pi
ng
w
it
h
ot
he
r pi
pi
ng
or
e
x
te
rn
a
l pl
a
te
Unit will not start
Compressor will not start but fans run ƿ
Compressor and condenser (outdoor) fan will not
start
Evaporator (indoor) fan will not start
Condenser (Outdoor) fan will not start
Unit runs, but shortly stops
ƿ ƿ ƿ ƿ ƿ ƿ
Compressor short-cycles due to overload
ƿ ƿ ƿ
High discharge pressure ƿ ƿ ƿ ƿ ƿ ƿ
Low discharge pressure
ƿ ƿ
High suction pressure
ƿ ƿ ƿ ƿ
Low suction pressure
ƿ ƿ ƿ ƿ ƿ ƿ ƿ ƿ
Unit runs continuously but insufficient cooling
ƿ ƿ ƿ ƿ ƿ ƿ ƿ ƿ ƿ ƿ ƿ
Too cool
Compressor is noisy ƿ ƿ ƿ ƿ ƿ
Horizontal louver can not revolve
Test method / remedy
Re
p
la
c
e
t
h
e
c
o
m
p
re
sso
r
Lea
k
t
e
st
R
e
p
la
c
e
re
st
ri
ct
e
d
p
a
rt
C
le
a
n or
r
e
pl
a
c
e
Cle
a
n
c
o
il
Ch
e
c
k fa
n
C
h
an
g
e
c
h
ar
g
e
d
r
e
fr
ig
e
ran
t v
o
lu
m
e
C
le
a
n c
o
nde
n
se
r or
r
e
m
o
ve
obs
ta
c
le
P
u
rg
e
, e
v
a
c
ua
te
a
nd r
e
c
h
a
rg
e
R
e
m
o
ve
obs
tr
u
c
ti
o
n t
o
a
ir
f
low
R
e
m
o
ve
obs
tr
u
c
ti
o
n i
n
a
ir
or
w
a
te
r f
low
R
e
m
o
ve
obs
tr
u
c
ti
o
n i
n
a
ir
or
w
a
te
r f
low
Re
p
la
c
e
c
o
m
p
re
sso
r
T
e
st
c
o
m
p
re
sso
r e
ff
ic
ie
n
c
y
Re
p
la
c
e
v
a
lv
e
Re
p
la
c
e
v
a
lv
e
Re
p
la
c
e
v
a
lv
e
F
ix
f
e
el
er
b
u
lb
C
h
e
c
k
h
e
at
l
o
ad
T
ig
h
te
n bol
ts
or
s
c
re
w
s
Re
m
o
v
e
t
h
e
m
C
h
oos
e
A
C
of
l
a
g
e
r c
a
pa
c
it
y
or
a
dd t
h
e
num
be
r of
A
C
R
e
c
ti
fy pi
pi
ng
s
o
a
s not
t
o
c
o
nt
a
c
t e
a
c
h
ot
he
r or
w
it
h
e
x
te
rn
a
l
pl
a
te
Refrigerant Circuit Others
Service manual H11 series