Refrigeranting Cycle Diagram - Carrier TOSHIBA MMK-UP0301HP-UL Service Manual

5. REFRIGERANTING CYCLE DIAGRAM

Liquid side Gas side
Strainer
Pulse Motor
Valve (PMV)
Sensor
(TC2)
Functional part name
Pulse Motor Valve
Temp. sensor
Capillary tube
Distributor
Sensor
(TCJ)
PMV (Connector CN82 (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
1. TA (Connector CN104 (2P): White)
1) Detects indoor suction temperature
2. TC1 (Connector CN100 (3P): Brown)
1) Controls PMV super heat in cooling operation
3. TC2 (Connector CN101 (2P): Blue)
1) Controls PMV under cool in heating operation
4. TCJ (Connector CN102 (2P): Yellow)
1) Controls PMV super heat in cooling operation
Air heat exchanger
at indoor side
Fan
Sensor
M
(TA)
Functional outline
- 17 -
Sensor
(TC1)
Fan motor