Daikin BRC7E61W Service Manual Page 203

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Troubleshooting by Remote Controller Display / LED Display SiE25-110
194 Troubleshooting
Check No. 13 Voltage Measuring Method
Measure the voltage (DC) between pins 2 and 3 of the connector.
(Blue)
Low pressure sensor
Red
Black
White
+5V
Outdoor unit PC board
Microcomputer
A/D input
Measure voltage (DC) here.
For RZP71~140D models
0.5
0
1234
V
DC
Output voltage (VH, VL)
1.0
1.5
2.5
2.0
P
L
MPa
3.0
Detected pressure
Low pressure P
L = (VL - 0.5) x 0.98/3
PL : Detected pressure (low pressure side)MPa
VL : Output voltage (low pressure side)VDC
Low pressure (PL)
(S2680)
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