Toshiba MCY-MHP0404HS(J)-E, Руководство по обслуживанию

Страница: 138 / 187

146
* S
e
e “
O
u
tdo
o
r u
n
it
t
e
mp
era
tur
e s
e
n
s
or
c
h
a
ra
c
te
ri
s
ti
c
s
”
o
n
“9
-7
. Se
nso
r
cha
ra
cteristics”.
e
s
u
a
C
e
m
a
n
e
d
o
c
k
c
e
h
C
e
d
o
c
k
c
e
h
C
Ga
s lea
k de
tec
tion
T
S
c
o
n
d
it
io
n
(S
u
b
-c
od
e
:
0
1)
1.
Ou
tdoor
un
it s
e
rv
ic
e va
lv
e c
los
ed
2.
Outdoor PMV trouble
3. T
S
sensor trouble
4
. R
e
fr
ige
ra
nt
s
hor
tage
,
cl
ogg
ing
re
fri
ger
an
t
ci
rc
ui
t
5. 4-
way val
ve
trouble
6.
SV4, SV5 circuit trouble
Ye
s
Ye
s
Ye
s
No Ye
s
No No No No Ye
s
Co
nne
c
tors:
PM
V1
: C
N
30
0
Op
en s
e
rv
ic
e
va
lv
es
full
y.
Repai
r outd
oor
PM
V.
A
re se
rv
ic
e va
lv
e
s
a
t
g
as
an
d l
iqu
id
s
ide
ful
ly
o
p
en
ed
?
Is
o
utd
oo
r PM
V n
o
rmal?
1
. Co
nn
ec
tor
co
nn
ec
tio
n
2. Wir
ing
3.
C
o
il
4. Val
ve
bo
dy
5.
O
u
td
oo
r I/F
P.C.
bo
ard
Are
ch
ara
c
teri
sti
cs
of T
S
se
ns
or
re
si
st
anc
e
no
rm
al?
D
o
es
d
isch
a
rg
e
re
fr
ig
e
ran
t ga
s by
pa
ss
to
su
ct
ion
si
de
t
h
ro
u
g
h
4-
wa
y va
lv
e?
leakage on SV4, SV5
Refr
ig
er
ant s
hortag
e
,
cl
ogg
ing
, pip
e br
eak
ag
e.
Repl
ace TS
sensor.
Che
ck
and
r
epla
ce
4-
way
v
a
lv
e a
nd c
o
il.
Repair SV4, SV5 valve circuit.
(Ch
e
ck t
he
re
i
s
no
cl
og
gi
ng
an
d p
ipe
brea
kag
e
,
and
th
en
re
cha
rge
refrig
eran
t.)
(Coil, valve bo
dy,
d
is
c
on
n
ec
ti
o
n o
f w
ir
e,
et
c
.)
e
s
u
a
C
e
m
a
n
e
d
o
c
k
c
e
h
C
e
d
o
c
k
c
e
h
C
Outdoo
r liquid
b
a
ck
detecti
o
n
trouble
1. Outdoor PMV trouble 2. P
D
sens
or, PS
senso
r
error
3. L
e
ak
age
at a c
h
e
c
k
va
lv
e on
a mai
n
d
is
c
ha
rg
e pi
pe
4. Out
d
oor I/F P
.C. bo
ard trouble
5. Clogging of SV2 circuit.
Are
c
on
n
ec
ti
on
s o
f
o
u
td
oo
r
c
o
rrec
t?
No No
Ye
s
Cor
re
ct c
onn
ec
tor
co
nnec
tio
n.
(Outdoor PMV: CN300) P
MV failure
Are
op
era
tio
ns
of
ou
tdo
or
No Yes
Ye
s
Ye
s
No
Is
t
h
er
e
n
o
l
e
ak
ag
e o
f
ch
eck
va
lv
e o
f ma
in
di
sc
ha
rge
pi
pe
in
fo
llo
w
er
u
n
it
s in
whi
ch
co
mp
re
ss
or
s
a
re d
riv
en
in
coo
lin
g
op
era
tio
n?
Che
c
k
I/F P
.C. boa
rd
.
R
e
p
la
ce
ch
e
c
k v
a
lv
e
o
f ma
in
di
sc
ha
rge
pi
pe.
Is
SV2 valve coil correctly
connected?
Correct connector connection
Is there any
valve circuits?
PMV connector
PMV normal?
137
A10-1510.indb 137 A10-1510.indb 137 2016/04/08 17:21:19 2016/04/08 17:21:19
AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk