Refrigerant Cycle Diagram - Toshiba MMD-UP0481HFP-UL Service Manual

6. REFRIGERANT CYCLE DIAGRAM

Indoor unit
Liquid side Gas side
Strainer
Pulse Motor
Valve (PMV)
Sensor
(TC2)
Explanation of functional parts in indoor unit
Functional part name
Pulse Motor Valve
PMV
Temp. Sensor
TA
TC1
TC2
TCJ
TF
Cooling
Heating
Capillary tube
Strainer
Sensor
(TCJ)
(Connector CN82 (6P): Blue)
1) Controls super heat 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 outdoor/suction
(Connector CN100 (3P): Brown)
1) Controls PMV super heat in cooling operation
(Connector CN101 (2P): Black)
1) Controls PMV sub cool in heating operation
(Connector CN102 (2P): Red)
1) Controls PMV super heat in cooling operation
(Connector CN103 (2P): Green)
1) Detects indoor discharge temperature
Sensor
(TF)
Heat exchanger
at indoor side
Fan
Sensor
M
(TA)
Functional outline
- 17 -
Sensor
(TC1)
Fan motor