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Mitsubishi Electric PURY-P72 Service Handbook page 132

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Table of Contents
[VI Refrigerant Circuit
1
(4) HB type
Part name
Symbols
Part
Usage
Specifications
Check method
(functions)
code
Thermistor
TH12
LEV control (Superheat)
(Bypass
Ro
= 15kil
outlet tem-
ROI8O = 3460
perature)
1
1
Rt= 15e""I3460
(273+t - 273)1
TH15
LEV control (Superheat)
(Bypass in-
0°C[32°F] : 15kohm
let tempera-
10°C[50°F] :9.7kohm
ture)
20°C[68°F] :6.4kohm
25°C[77°F] :5.3kohm
30°C[86°F] :4.3kohm
40°C[104°F] :3.1kohm
Solenoid
SV.A
Provides refrigerant to indoor
AC208-230V
Continuity
valve
unit in cooling operation
Open while being poweredl
check with
a
Provides refrigerant to indoor
closed while not being pow-
tester
SV.B
ered
unit in heating operation
SV.C
Provides refrigerant to indoor
unit in cooling operation
LEV
LEV3
Pressure differential control
DC12V
Same as
Opening of a valve driven by a
indoor LEV
stepping motor
0-2000 pulses
HWEoa03A
- 122-
GB
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