Toshiba MMY-MAP0804FT7(Z), Service Manual, Page: 62 / 333

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Fan motor
Wind
direction Wind
direction Wind
direction
Wind
direction
Propeller fan
Propeller fan
Front side
Front side
Rear side
Rear side
Fan motor
Main heat
exchanger
exchanger
MMY-MAP0804FT
∗
MM
RBM-Y1123FE
RBM-Y2803FE
RBM-Y1803FE
Y-MAP1004FT
∗
MMY-MAP1204FT
∗
MMY-MAP1404FT
∗
SV
SV
(SVD)
(SVD)
(SVD)
(SVD)
(SVDD)
(SVDD) (SVDD)
(SVS)
(SVS)
(SVSS)
(SVSS) (SVSS)
SV
SV
SV
SV
SV
SV
SV
SV
SV
SV
SV
SV
(SVS)
SV
SV
Liquid
pipe
Liquid
pipe
Discharge
gas pipe
Discharge
gas pipe
Strainer Strainer
Strainer
Strainer
Strainer
Strainer
Strainer
Strainer
Strainer
Check valve
Check valve
Check valve
Check
valve Check
valve
Capillary Capillary
Capillary Capillary
Capillary
Capillary
Capillary
Capillary
Capillary
Suction
gas pipe
Suction
gas pipe
Liquid
pipe
Discharge
gas pipe
Suction
gas pipe
To indoor
liquid side
To indoor
liquid side
To indoor
gas side
To indoor
gas side
To indoor
liquid side
To indoor
gas side
Main heat
exchanger
Auxiliary heat
Auxiliary heat
exchanger
Functional parts name
Solenoid valve SVD
SVS
SVDD
SVSS
Function outline
(Discharge gas block valve)
1) High-pressure gas circuit at heating operation
(Suction gas block valve)
1) Low-pressure gas circuit at cooling operation
(Pressure valve)
1) To increase pressure when No. of indoor heating units are increased
(Regulator valve)
1) To recover refrigerant in the stopped cooling thermo-OFF indoor unit
2) To decrease pressure when No. of indoor heating units are decreased
Configuration of outdoor unit heat exchanger
Cooling / heating exchanger unit
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