Mitsubishi Electric PUHZ-W50VHA-BS Service Manual page 55

Low temperature thermistor
• Thermistor <Inlet water> (TH32)
Thermistor R0 = 15k' ± 2.5%
B constant = 3450 ± 2%
1
=15exp{3450( 273+t – 273 )}
R
t
0: 15k' 30:
10: 9.6k' 40:
20: 6.3k'
25: 5.2k'
<HIGH PRESSURE SENSOR>
Vout (V)
4.5
2.5
0.5
OCH439H
1
4.3k'
3.0k'
2.5 5
PRESSURE
(MPa)
50
40
30
20
10
0
-20 -10
MULTI
CONTROLLER BOARD
5V DC
3
WHT
2
BLU
Vout
1
BLK
63HS
- : 5V (DC)
- : Output Vout (DC)
55
0 10 20 30 40 50
Temperature( )
MICRO
PROCESSOR
GND