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EXCEL 10 W7750A,B,C CONSTANT VOLUME AHU CONTROLLER
74-2958—14
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. 48. Setpoint rampin
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parameters with ramp rate calculation............................................................................................... 58
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. 49. Schematic dia
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ram for a t
y
pical W7750B Unit. .............................................................................................................59
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. 50. Sta
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ed output control versus PID Error. ....................................................................................................................... 60
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. 51. Point capacit
y
estimate for Zone Mana
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er. ..................................................................................................................109
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. 52. Graph of Sensor Resistance versus Temperature......................................................................................................... 110
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. 53. Graph of Sensor Resistance versus Temperature......................................................................................................... 110
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. 54. Graph of Sensor Resistance versus Temperature......................................................................................................... 111
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. 55. Graph of Sensor Resistance versus Temperature......................................................................................................... 111
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. 56. Graph of Sensor Resistance versus Temperature......................................................................................................... 112
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. 57. Graph of Sensor Volta
g
e versus Humidit
y
..................................................................................................................... 112
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. 58. C7600C output current vs. humidit
y
............................................................................................................................... 112
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. 59. Graph of Sensor Current versus Enthalp
y
(
volts
)
. ......................................................................................................... 113
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. 60. Partial ps
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chometric chart for a C7400A Solid State Enthalp
y
Sensor. ........................................................................114
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. 61. C7400A Solid State Enthalp
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Sensor output current vs. relative humidit
y
. ................................................................... 114
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. 62. Graph of Sensor Volta
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e versus CO2 concentration..................................................................................................... 115
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. 63. Graph of Sensor Volta
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e versus input Volta
g
e to A/D.................................................................................................. 115
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. 64. Graph of Sensor Volta
g
e
(
Vdc
)
versus Pressure
(
Inw
)
.................................................................................................. 116