9
※
)
4-way valve
- detachment/
attachment
(continued)
MAP10A6
∗
MAP12A6
∗
MAP140
6
∗
MAP160
6
∗
※)
This process
"No.9" doesn't need
for cooling only
models
b
ec
au
se it
doesn't have 4-way
valve.
WARNING
Wear a pair of gloves.
Otherwise, you will risk an injury involving a
replacement part or some other object.
Before starting the work, be sure to recover the
refrigerant of outdoor unit by removing it with a
refrigerant recovery device.
1.
Detachment
1)
Remove the lower cabinet (front side).
2)
3)
Remove the inverter box in accordance with the
dismantling instructions.
Disconnect the 4-way valve coil and PMV
1,
PMV3
coils (2
pieces) and
SV51, 52 coils
(2 pieces) and
get all wiring located near
the
4-way valve out of the way.
4)
Remove brazed points (3 locations) for the PMV
assembly, which is placed in front of the 4-way
valve.
* Provide adequate cover for the PMV proper to
protect it from overheating.
5)
Since it is difficult to simultaneously remove the
brazed points for the pipes located above the 4-
way valve (3
locations
), cut through them just
below
the brazed points using a saw, etc.
6)
Detach the pipe located below the 4-way valve.
7)
Remove the end sections of the pipes above the
4-
way valve, which were cut in step 5).
8)
Install a new 4-way valve.
* Provide adequate cover for the 4-way valve to
protect it from overheating. During the installation,
insert pipes firmly into the 4-way valve, or a
blockage or leakage involving brazing filler metal
may result.
9)
Reinstall the PMV assembly, which was removed
in step 4).
* Provide adequate cover for the PMV to protect it
from overheating.
10)
Reinstall the PMV assembly, which was
re
moved in step 3), and put
the wiring back to its
initial state.
11) Reinstall the inverter box in accordance with the
installation instructions.
12) Reinstall the lower cabinet.
s
k
r
a
m
e
R
e
r
u
d
e
c
o
r
p
k
r
o
W
d
e
c
a
l
p
e
r
e
b
o
t
t
r
a
P
.
o
N
7) End sections of pipes (3
locations
)
5) Cutting line
Brazed point
4-way valve
Brazed point
Brazed point
PMV
1
PMV
3
For HT8(J)P, HT7(J)P, HT8(J)P-ME, HT7P-ME,
T8(J)P-E, HT8P-A
, HT8P-C
model
−
2
8
3
−
For
HT8(J)P-E, HT8(J)P-TR model
SV51
SV52
Summary of Contents for MMY-MAP0806HT7(J)P
Page 306: ...For HT8 J P E HT8 J P TR model 305 ...
Page 307: ...For T8 J P T7 J P T8P SG T8 J P ID T8 J P T model 306 ...
Page 313: ... 312 For HT8 J P E HT8 J P TR model ...
Page 314: ... 313 For T8 J P T7 J P T8P SG T8 J P ID T8 J P T model ...
Page 320: ... 319 For HT8 J P E HT8 J P TR model ...
Page 321: ... 320 For T8 J P T7 J P T8P SG T8 J P ID T8 J P T model ...
Page 350: ......