Toshiba MMY-MUP0721FT6P-UL Service Manual page 324

No. Part
8-1
Accumulator-
WARNING
detachment/
Wear a pair of gloves.
attachment
Otherwise, you will risk an injury involving a replacement
Standard
part or some other object.
6,8 ton
High heat
1.Detachment
6 ton
1)1)Carry out work of No. 1 Cabinet
and No.4 Inverter assembly.
2)Disconnect the wire, pipe fixing rubber, and pipe cover
near the pipe to be brazed to prevent burning
during brazing.
3)Braze and cut the pipes, then disconnect the HEATSINK
and 4WV PIPE ASSEMBLY from the outdoor unit
in sequence.
4)Cut the accumulator Inlet pipe, PIPE-SUC,
and braze the pipes of the SV2 inlet side, SV3F outlet side.
*At this time, do not disconnect the SV3F inlet side piping!
The oil in the tank will overflow!
5)Detach the ACCUMULATOR ASSEMBLY
from the outdoor unit, and remove the oil in the tank.
6)Disconnect the pipes of the SV2 outlet side,
SV3F inlet side with brazing.
HEATSINK
to be removed at 3)
2.Attachment
Attach the SV2 outlet side, SV3F inlet side pipes
to the ACCUMULATOR ASSEMBLY(service parts)
and braze them.
After that, install in the reverse order of 1.Detachment1) to 6).
Work procedure
Cutting position
Brazing position
3)Brazing
4WAY-D pipe
3)Cutting
V-GAS pipe
4)Brazing
SV2 pipe
(inlet side)
4WV PIPE ASSEMBLY
to be removed at 3)
4)Cutting
PIPE-SUC
6)Brazing
SV2 pipe
(outlet side)
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Remarks
3)Cutting
Header pipe
3)Cutting
4WAY-E pipe
3)Cutting
Header pipe
3)Brazing
HEATSINK
3)Brazing
Subcool HE pipe
4)Brazing
SV3F pipe
(outlet side)
ACCUMULATOR
ASSEMBLY
to be removed at 5)
4)Cutting
Inlet pipe
6)Brazing
SV3F pipe
(inlet side)