Indoor Unit; U Series Indoor Unit Functional Part Explanation - Toshiba MMY-MUP0801HT8JP Service Manual

Indoor unit

Liquid side Gas side
Strainer
Pulse Motor
Valve (PMV)
Sensor
(TC2)

U series Indoor Unit Functional Part Explanation

Functional part name
Pulse Motor Valve
PMV
Temp. Sensor
1.TA
2.TC1
3.TC2
4.TCJ
Please refer to each indoor unit Service Manual for details of each sensor
Cooling
Heating
Capillary tube
Strainer
Sensor
(TCJ)
(Connector CN082 (6P): Blue)
1) Controls superheat in cooling operation
2) Controls subcool in heating operation
3) Recovers refrigerant oil in cooling operation
4) Recovers refrigerant oil in heating operation
(Connector CN104 (2P): Yellow)
1) Detects indoor return air temperature
(Connector CN100 (3P): Brown)
1) Controls PMV superheat in cooling operation
(Connector CN101 (2P): Black)
1) Controls PMV subcool in heating operation
(Connector CN102 (2P): Red)
1) Controls PMV superheat in cooling operation
Heat exchanger
at indoor side
Fan
Sensor
M
(TA)
Functional outline
- 37 -
Sensor
(TC1)
Fan motor