Mitsubishi Electric CITY MULTI PUHY-P200YEM-A Service Handbook page 71

Symbol
Name
(function)
Pressure PS1 1) Liquid pressure (high-pressure)
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)
SVA Supplies refrigerant to cooling indoor
Solenoid
unit.
valve
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
detection
Specification
Pressure
PS1
0~2.94MPa
PS3
Vout 0.5~3.5 V
Con-
Gnd (black)
nector
Vout (white)
Vc (DC5V) (red)
R =15kΩ
0
B =3460
0/100
Rt =
1
15exp{3460( -
273+t 273+0
0˚C : 15kΩ
10˚C : 9.7kΩ
20˚C : 6.4kΩ
25˚C : 5.3kΩ
30˚C : 4.3kΩ
40˚C : 3.1kΩ
AC 220~240V
Open when energized
Closed when de-energized
12V DC stepping motor drive
0 to 2000 valve opening
pulse
- 70 -
Check method
1
)}
Continuity check
by a tester
Same as LEV of
indoor unit.
Object