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[
IX
Troubleshooting ]
- 308 -
HWE0913A
GB
Check whether the BC board output signal corresponds with the solenoid valve operation correspond.
1) SVA, SVB, SVC
SVA, SVB, and SVC turn on or off according to the indoor unit operation mode.
SVM1 and SVM2
SVM1 and SVM2 turn on or off according to the indoor unit operation mode.
2) SVA, SVB, SVC
Measure the temperature at the upstream and downstream pipes
and
of SVA.
Measure the temperature at the upstream and downstream
pipes and
of SVB.
Mode
Cooling
Heating
Stopped
Defrost
Fan
Port
SVA
ON
OFF
OFF
OFF
OFF
SVB
OFF
ON
OFF
OFF
OFF
SVC
ON
OFF
OFF
OFF
ON
Operation
mode
Cooling only
Cooling main
Heating only
Heating main
Defrost
Stopped
SVM1
ON
Pressure dif-
ferential con-
trol OFF or
ON
OFF
OFF
ON
OFF
SVM2
OFF
OFF
Pressure dif-
ferential con-
trol OFF or
ON
Pressure dif-
ferential con-
trol OFF or
ON
OFF
OFF
Содержание PURY-P120TJMU-A
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Страница 36: ... II Restrictions 27 HWE0913A GB ...
Страница 50: ... II Restrictions 41 41 HWE0913A GB ...
Страница 67: ... 58 II Restrictions GB HWE0913A ...
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Страница 94: ... III Outdoor Unit Components 85 HWE0913A GB 2 RELAY BOARD RELAY 4 board 3 RELAY BOARD RELAY 10 board ...
Страница 95: ... 86 III Outdoor Unit Components GB HWE0913A ...
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Страница 105: ... 96 IV Remote Controller GB HWE0913A ...
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Страница 124: ... 115 HWE0913A GB VI Refrigerant Circuit 1 Refrigerant Circuit Diagram 117 2 Principal Parts and Functions 126 ...
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Страница 175: ... 166 VII Control GB HWE0913A ...
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Страница 363: ... 354 IX Troubleshooting GB HWE0913A ...
Страница 364: ... 355 HWE0913A GB X LED Monitor Display on the Outdoor Unit Board 1 How to Read the LED on the Service Monitor 357 ...
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