Panasonic U-72MF1U9 Technical Data Manual page 89

1. Outdoor Unit
1-5. Refrigerant Flow Diagram
U-72MF1U9, U-72MF1U9E
High pressure switch
Solenoid
S
valve
Oil separator
Oil drain
Solenoid
valve
Outside air
Electronic
control valv
U-96MF1U9, U-96MF1U9E
High pressure switch
Solenoid
S
valve
Oil separator
Oil drain
Solenoid
valve
Outside air
Electronic
control valve
HP
Solenoid valve
S
S
S S
4-way 4-way
valve valve
S S
S
Solenoid Solenoid
valve valve
M M
e
M
Electronic control valve
HP
HP
Solenoid valve
S
S
S S
4-way 4-way
valve valve
S S
Solenoid Solenoid
valve valve
M M
3WAY VRF SYSTEM Unit Specifi cations
LPS Low pressure sensor
To be brazed pinch
after oil is inserted. (1 portion)
Thermistor position
Balance tube
S
ø3/8" flare connection
Strainer
Suction tube
ø3/4" Brazing
For LP
High Pressure sensor
HPS
For HP
Discharge tube
ø5/8" Brazing
Narrow tube
ø3/8" Brazing
Fusible
plug
S
Fusible
plug
Low pressure sensor
LPS
T o be brazed pinch
after oil is inserted. (1 portion)
Thermistor position
S
Strainer
For LP
High Pressure sensor
HPS
For HP
S
Fusible
plug
S
Fusible
plug
M
Electronic control valve
4 - 15
Balance tube
ø3/8" flare connection
Suction tube
ø7/8" Brazing (Use supplied only)
Discharge tube
ø3/4" Brazing (Use supplied only)
Narrow tube
ø3/8" Brazing
1
2
3
4
5
6
7
8