9 4-way valve
- detachment/
attachment
(continued)
MAP1606
MAP1806
MAP2006
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 (left and right).
2)Remove the inverter box in accordance with the
dismantling instructions.
3)Disconnect the 4-way valve coil and get all wiring
located near the 4-way valve out of the way.
4)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.
5)Detach the pipe located below the 4-way valve.
6)Remove the end sections of the pipes above the
4-way valve, which were cut in step 5).
7)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.
8) Reinstall all the coils removed in step 3), and put
the wiring back to its initial state.
9) Reinstall the inverter box in accordance with the
installation instructions.
10) Reinstall the lower cabinet.
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6
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6)End section of pipes (3 locations)
4)Cutting line
Brazed point
4-way valve
*1) Be careful support-plate near the 4way-valve
when conduct the replacement.
Support plate *1
Removing of brazed point
for pipe located below
4-way valve (1 location)
Cutting through of
pipes located above
4-way valve (3 locations)
Summary of Contents for MMY-MAP0806FT7(J)P
Page 32: ... 31 1 2 Single port FS Unit RBM Y1123FE FE2 RBM Y1803FE FE2 ...
Page 33: ... 32 RBM Y2803FE FE2 ...
Page 302: ...MMY MAP0806FT8 J P E MAP1006FT8 J P E MMY MAP0806FT8 J P TR MAP1006FT8 J P TR 301 ...
Page 307: ... 306 MMY MAP1206FT8 J P E MAP1406FT8 J P E MMY MAP1206FT8 J P TR MAP1406FT8 J P TR ...
