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EXCEL 10 W7750A,B,C CONSTANT VOLUME AHU CONTROLLER
113 74-2958—1
Table 36 lists the points for Sensor Current versus Enthalp
y
(
volts
)
. Fi
g
. 59 shows the
g
raph of these points.
Table 36. Sensor Current Versus Enthalpy (volts).
Fig. 59. Graph of Sensor Current versus Enthalpy (volts).
See Fi
g
. 60 for partial ps
y
chometric chart for a C7400A Solid
State Enthalp
y
Sensor.
Enthalpy (mA) Sensor Current
41
51.25
61.49
71.74
81.99
92.24
10 2.49
11 2.74
12 2.99
13 3.24
14 3.49
15 3.74
16 3.98
17 4.23
18 4.48
19 4.73
20 4.98
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
3.25
3.50
3.75
4.00
4.25
4.50
4.75
5.00
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
ENTHALPY (VOLTS)
(MA)
SENSOR CURRENT VERSUS ENTHALPY (VOLTS)
M11607