Toshiba SMMS-u MMY-MUP0801HT8, Quick Reference

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14. Pressure Sensor Output Check
Outdoor Unit
Pd sensor characteristics
0 to 4.15 MPa (0.5 to 4.73V output for 0 to 4.15 MPa)
Voltage readings across pins 2 and 3 of CN501 on indoor unit main P.C. board (with negative-side probe of
multimeter placed on pin 3)
0.61
0.70
0. 8 0
0. 9 0
1.00
1.25
1.52
1.7 8
2.0 3
2.2 9
0.10
0.20
0. 3 0
0. 39
0.4 9
0.74
1.00
1.25
1.50
1.75
1.1
2.0
3 .0
4.0
5.0
7.5
10.2
12. 8
15. 3
17. 9
VOLT Pd
(MP a )
Pd
(kg/cm
2
)
2.54
2.7 9
3 .05
3 . 3 0
3 .56
3 . 8 1
4.0 8
4. 3 2
4.5 9
4.7 3
2.00
2.25
2.50
2.75
3 .00
3 .25
3 .51
3 .74
4.01
4.15
20.4
22. 9
25.5
2 8 .0
3 0.5
33 .1
3 5. 8
38 .2
40. 9
42. 3
VOLT Pd
(MP a )
Pd
(kg/cm
2
)
Outdoor Unit
PS sensor characteristics
0 to 2.0 MPa (0.5 to 5V output for 0 to 2.0 MPa)
Voltage readings across pins 2 and 3 of CN500 on indoor unit main P.C. board (with negative-side probe of
multimeter placed on pin 3)
0.5 9
0.6 9
0. 89
1.10
1. 3 0
1.4 9
1.6 9
1. 9 0
2.10
2.2 9
0.05
0.10
0.20
0. 3 0
0.40
0.50
0.60
0.70
0. 8 0
0. 9 0
0.5
1.0
2.0
3 .1
4.1
5.1
6.1
7.2
8 .2
9 .2
VOLT P s
(MP a )
P s
(kg/cm
2
)
2.4 9
2.70
2. 9 0
3 .0 9
3 .2 9
3 .50
3 .70
4.0 9
4.50
4. 89
1.00
1.10
2. 9 0
3 .0 9
3 .2 9
3 .50
3 .70
4.0 9
4.50
4. 89
10.2
11.2
12.2
1 3 .2
14.2
15. 3
16. 3
1 8 . 3
20.4
22.4
VOLT P s
(MP a )
P s
(kg/cm
2
)