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Mitsubishi Electric PURY-80TMU Service Handbook page 47

City multi
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Table of Contents
Symbol
Name
(function)
Pressure
PS1
1) Liquid pressure (high-pressure) detection
sensor
2) LEV control
PS3
1) Intermediate pressure detection
2) LEV control
Thermistor
TH11
LEV control (liquid refrigerant control)
(liquid inlet
temperature)
TH12
LEV control (superheat control)
(bypass outlet
pressure)
TH15
LEV control (superheat control)
(bypass outlet
temperature)
TH16
LEV control (subcool control)
(bypass inlet
temperature)
Solenoid
SVA
Supplies refrigerant to cooling indoor
valve
unit.
SVB
Supplies refrigerant to heating indoor
unit.
SVC
Supplies refrigerant to cooling indoor
unit.
Electronic
LEV1
Liquid level control
expansion
pressure control
valve
LEV3
Liquid level control
pressure control
Application
–46–
Specification
Pressure
PS1
0~2.94MPa
PS3
(0~426psi)
Vout 0.5~3.5 V
Con-
Gnd (black)
nector
Vout (white)
Vc (DC5V) (red)
R
=15kΩ
0
B
=3460
0/100
Rt =
1
1
15exp{3460(
-
)}
273+t
273+0
0˚C (32˚F)
: 15kΩ
10˚C (50˚F)
: 9.7kΩ
20˚C (68˚F)
: 6.4kΩ
25˚C (77˚F)
: 5.3kΩ
30˚C (86˚F)
: 4.3kΩ
40˚C (104˚F) : 3.1kΩ
AC 208~230V
Open when energized
Closed when de-energized
12V DC stepping motor drive
0 to 2000 valve opening
pulse
Check method
Continuity check
by a tester
Same as LEV of
indoor unit.
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