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Outdoor Unit
Pressure sensor characteristics
• Input/output wiring summary
High pressure side (Pd)
Pin No.
Input/output name
1
OUTPUT
2
3
GND
4
+5V
• Output voltage vs. pressure
H
g i
h
p
e r
s
s
u
e r
0.5
4.5V
~
0
3.92MPa
~
4.73
4.5
0.5
0
Indoor Unit
Temperature sensor characteristics
Indoor TA(TSA), TRA,TF(TFA) sensor
30
Resistance
[kΩ]
20
10
0
10
Lead wire color
White
—
—
Black
Red
s
d i
e
P (
) d
3.92
4.15
Pressure (MPa)
20
30
40
Temperature [°C]
Low pressure side (Ps)
Input/output name
Lead wire color
—
OUTPUT
GND
+5V
L
o
w
p
e r
s
s
u
e r
s
d i
e
P (
) s
0.5
3.5V
~
0
0.98MPa
~
5
3.5
0.5
0
0
9 .
8
1
4 .
7
50
60
− 235 −
—
White
Black
Red
P
e r
s s
u
e r
(
M
P
) a
Temperature [°C]
Resistance [kΩ]
0
33.8
5
26.1
10
20.4
15
16.0
20
12.6
25
10.0
30
8.0
6.4
35
40
5.2
45
4.2
50
3.5
55
2.8
60
2.3
5
1 .
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Troubleshooting
