Heat Exchanger - Toshiba MMY-MAP0804HT8(Z)(ZG)-E Service Manual

Indoor Unit
Liquid
Gas side
side
Strainer
Pulse Motor
Valve
(PMV)
Sensor
(TC2)
CAUTION
MMU-AP007YH, AP012YH type air conditioners have no TC2 sensor.
Explanation of functional parts in indoor unit
Functional part name
Pulse Motor Valve
PMV
Temp. Sensor
1.TA
2.TC1
3.TC2
4.TCJ
Capillary tube
Sensor
(TCJ)
(Connector CN082 (6P): Blue)
1) Controls super heat in cooling operation
2) Controls under cool in heating operation
3) Recovers refrigerant oil in cooling operation
4) Recovers refrigerant oil in heating operation
(Connector CN104 (2P): Yellow)
1) Detects indoor suction temperature
(Connector CN100 (3P): Brown)
1) Controls PMV super heat in cooling operation
(Connector CN101 (2P): Black)
1) Controls PMV under cool in heating operation
(Connector CN102 (2P): Red)
1) Controls PMV super heat in cooling operation
2) [MMU-AP007YH to AP012YH only] Controls PMV under cool in heating operation

Heat exchanger

at indoor side
Fan
Sensor M
(TA)
Functional outline
63
Sensor
(TC1)
Fan motor