Daikin GYEQ20AN, Руководство по обслуживанию

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SiAUY361411EA Servicing Data
Maintenance / Service Data 226
2.2 Pressure/Voltage Characteristics of Pressure Sensors
Fig. 7.1/ Graph of pressure/voltage characteristics of pressure sensors
Output voltage of pressure sensor (DCV)
0 1 2 3
5.00
4.00
3.00
2.00
1.00
Low-side pressure
Detected pressure [MPa]
4.15
3.33
025962-00E
High-side pressure
High pressure sensor Low pressure sensor
Sensor connector No.
Pressure (MPa) Voltage value (DCV) Pressure (MPa) Voltage value (DCV)
Disconnected 5 Disconnected 5
0 0.50 0 0.50
1.41 1.52 0.84 1.35
2.08 2.00 1.50 2.03
2.82 2.54 2.04 2.59
4.15 3.50 3.33 3.90
Shorted to the
5 V side
5
Shorted to the
5 V side
5
Shorted to the
ground side
0
Shorted to the
ground side
0
Input of 5V Output of 0 to 5V
Input of 5V Output of 0 to 5V
Ground side
Main circuit board
Main circuit board
High-side
pressure sensor
%0
Ground side
Low-side
pressure sensor
(3) Red
(1) Green
(2) Black
%0
(6) Red
(4) Yellow
(5) Black
025963-00E
Input of 5V Output of 0 to 5V
Ground side
Main circuit board
Pressure sensor
Shorted to the ground side
Shorted to the 5V side %0
025964-00E