Outdoor Unit
Pressure sensor characteristics
• Input/output wiring summary
• Output voltage vs. pressure
Indoor Unit
Temperature sensor characteristics
Pin No.
High pressure side (P
D
)
Low pressure side (P
S
)
Input/output name
Lead wire color
Input/output name
Lead wire color
1
OUTPUT
White
—
—
2
—
—
OUTPUT
White
3
GND
Black
GND
Black
4
+5V
Red
+5V
Red
Low pressure side (P
S
)
High pressure side (P
D
)
0.5
~
4.
5
V
0
~
3.
92
MPa
0.5
~
3.5V
0
~
0.98MPa
1
.
5
7
4
.
1
8
9
.
0
0
0.5
3.5
5
Low pressure-side output voltage (V)
)
a
P
M
(
e
r
u
s
s
e
r
P
4.15
3.92
Pressure (MPa)
4.5
4.73
0.5
0
H
ig
h
pressure
-si
de
ou
tpu
t v
ol
tag
e
(V)
0
5
10
15
20
25
30
35
40
45
50
55
60
33.8
26.1
20.4
16.0
12.6
10.0
8.0
6.4
5.2
4.2
3.5
2.8
2.3
Temperature [
°
C]
Indoor TA(TSA), TRA,TF(TFA) sensor
Resistance
[k
Ω
]
Temperature [
°
C]
60
10
20
30
40
50
20
30
10
0
Resistance [k
Ω
]
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