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Mitsubishi Electric PURY-P72 Service Handbook page 131

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Table of Contents
[VI Refrigerant Circuit]
(3) GB type
Part name
Symbols
Part
Usage
Specifications
Check method
(functions)
code
Thermistor
TH12
LEV control (Superheat)
(Bypass
Ro
=
15k{1
outlet tem-
R0I80 =
3460
perature)
1
1
RI=
15exp!3460 (273+1 - 273)1
TH15
LEV control (Superheat)
(Bypass in-
0°C[32°F]: 15kohm
Jet tempera-
10°C[50°FJ :9.7kohm
ture)
20°C[6BOF] :6.4kohm
25°C[77°F] :5.3kohm
30°C[B6°F] :4.3kohm
40°C[104°FJ :3.1kohm
Solenoid
SV.A
Provides refrigerant to indoor
AC20B-230V
Continuity
valve
unit in cooling operation
Open while
being
powered!
check with a
SV.B
closed
while
not being pow-
tester
Provides refrigerant to indoor
ered
unit in heating operation
SV.C
Provides refrigerant to indoor
unit
in
coofing operation
LEV
LEV3
Pressure differential control
DC12V
Same as
Opening of a valve driven
by
a
indoor LEV
stepping motor
0-2000 pulses
HWE0803A
- 121 -
GB
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