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[ VI Refrigerant Circuit ]
- 122 -
HWE0803A GB
(4) HB type
Part name
Symbols
(functions)
Part
code
Usage Specifications Check method
Thermistor TH12
(Bypass
outlet tem-
perature)
LEV control (Superheat)
0°C[32°F] : 15kohm
10°C[50°F] :9.7kohm
20°C[68°F] :6.4kohm
25°C[77°F] :5.3kohm
30°C[86°F] :4.3kohm
40°C[104°F] :3.1kohm
TH15
(Bypass in-
let tempera-
ture)
LEV control (Superheat)
Solenoid
valve
SV A Provides refrigerant to indoor
unit in cooling operation
AC208-230V
Open while being powered/
closed while not being pow-
ered
Continuity
check with a
tester
SV B Provides refrigerant to indoor
unit in heating operation
SV C Provides refrigerant to indoor
unit in cooling operation
LEV LEV3 Pressure differential control DC12V
Opening of a valve driven by a
stepping motor
0-2000 pulses
Same as
indoor LEV
R = 15k
0
R = 3460
R = 15
0/80
t
3460
273 t
1
273
1
exp