Carrier MMY-MAP0724FT9UL Service Manual page 203

Outdoor Unit
Pressure sensor characteristics
• Input/output wiring summary
Pin No.
Input/output name
1 OUTPUT
2
3
4
• Output voltage vs. pressure
Input/output name
0.5~4.3V
0~54 psi ( 0~3.73MPa )
5
4.3
0.5
0
Indoor Unit
Temperature sensor characteristics
Indoor TA sensor
30
Resistance
[kΩ]
20
10
0
High pressure side (Pd)
Lead wire color
White
— —
GND Black
+5V Red
541
(3.73) (4.41)
Pressure [psi (MPa)]
50 68 86
(10) (20) (30)
Temperature [°F(°C)]
Low pressure side (Ps)
Input/output name
—
OUTPUT
GND
+5V
Input/output name
0.5~3.5V
0~141 psi ( 0~0.98 MPa )
5
3.5
0.5
540 740 0
(5.1)
104 122 140
(40) (50) (60)
– 203 –
Lead wire color
—
White
Black
Red
142 213
(0.98) (1.47)
Pressure [psi (MPa)]
Temperature [˚F (˚C)]
32 (0)
41 (5)
50 (10)
59 (15)
68 (20)
77 (25)
86 (30)
95 (35)
104 (40)
113 (45)
122 (50)
131 (55)
140 (60)
740
(5.1)
Resistance [kΩ]
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