Daikin VRV - Page 86

Method of Troubleshooting Si30-408
82 Troubleshooting
3. Voltage Characteristic of Pressure Sensor (R410A)
P
H = 1.38V − 0.69
P
L = 0.57V − 0.28
P
H
: Detection pressure [High pressure side] MPa
P
L
: Detection pressure [Low pressure side] MPa
V
H
: Output voltage [High pressure side] V
DC
V
L
: Output voltage [Low pressure side] V
DC
Output voltage (VH, VL)
0
5.1 0.5
0
1234
V
DC
10.2 1.0
15.3 1.5
30.6 3.0
25.5 2.5
20.4 2.0
(kg/cm
2
) MPa
P
H, PL
Detection pressure
High pressure
(P
H)
Low pressure
(P
L)
(1.7MPa)