Technical Data Manual

3WAY VRF SYSTEM Unit Specifi cations
4 - 14
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7
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5
4
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1
1. Outdoor Unit
U-72MF1U9, U-72MF1U9E
Strainer
Solenoid
valve
e
T
For LP
High Pressure sensor
For HP
Solenoid
valve
Outside air
Electronic
control valve
LPS
M
M
M
S
S
S
High pressure switch
Oil separator
Oil drain
Solenoid valve
Low pressure sensor
To be brazed pinch
after oil is inserted. (1 portion)
Thermistor position
Balance tube
ø3/8" flare connection
Suction tube
ø3/4" Brazing
Discharge tube
ø5/8" Brazing
Narrow tube
ø3/8" Brazing
High Pressure sensor
For LP
Strainer
For HP
Fusible
plug
4-way
valve
Solenoid
valve
4-way
valve
Solenoid
valve
Solenoid
valve
Outside air
Electronic
control valv
Electronic control valve
Fusible
plug
U-96MF1U9, U-96MF1U9E
Solenoid
valve
Oil separator
Oil drain
High pressure switch
Low pressure sensor
o be brazed pinch
after oil is inserted. (1 portion)
Thermistor position
Solenoid valve
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
Fusible
plug
Fusible
plug
4-way
valve
Solenoid
valve
4-way
valve
Solenoid
valve
Electronic control valve
Accumulator
Accumulator
HPS
HP
S
HP
S
S
S
S
S
S
S
S
S
HP
S
S
S
M
S
S
S
S
M
M
LPS
HPS
1-5. Refrigerant Flow Diagram
TD831158-02_3WAY_VRF_SYS.indb 14TD831158-02_3WAY_VRF_SYS.indb 14 2013/06/14 10:19:372013/06/14 10:19:37