Honeywell W7750A Manuale Utente
EXCEL 10 W7750A,B,C CONSTANT VOLUME AHU CONTROLLER
74-2958—1
4
Fig. 48. Setpoint ramping parameters with ramp rate calculation. .............................................................................................. 58
Fig. 49. Schematic diagram for a typical W7750B Unit. ............................................................................................................. 59
Fig. 50. Staged output control versus PID Error. ....................................................................................................................... 60
Fig. 51. Point capacity estimate for Zone Manager. .................................................................................................................. 109
Fig. 52. Graph of Sensor Resistance versus Temperature......................................................................................................... 110
Fig. 53. Graph of Sensor Resistance versus Temperature......................................................................................................... 110
Fig. 54. Graph of Sensor Resistance versus Temperature......................................................................................................... 111
Fig. 55. Graph of Sensor Resistance versus Temperature......................................................................................................... 111
Fig. 56. Graph of Sensor Resistance versus Temperature......................................................................................................... 112
Fig. 57. Graph of Sensor Voltage versus Humidity. .................................................................................................................... 112
Fig. 58. C7600C output current vs. humidity............................................................................................................................... 112
Fig. 59. Graph of Sensor Current versus Enthalpy (volts). ......................................................................................................... 113
Fig. 60. Partial psychometric chart for a C7400A Solid State Enthalpy Sensor. ........................................................................ 114
Fig. 61. C7400A Solid State Enthalpy Sensor output current vs. relative humidity. ................................................................... 114
Fig. 62. Graph of Sensor Voltage versus CO2 concentration. .................................................................................................... 115
Fig. 63. Graph of Sensor Voltage versus input Voltage to A/D. ................................................................................................. 115
Fig. 64. Graph of Sensor Voltage (Vdc) versus Pressure (Inw). ................................................................................................. 116
Fig. 49. Schematic diagram for a typical W7750B Unit. ............................................................................................................. 59
Fig. 50. Staged output control versus PID Error. ....................................................................................................................... 60
Fig. 51. Point capacity estimate for Zone Manager. .................................................................................................................. 109
Fig. 52. Graph of Sensor Resistance versus Temperature......................................................................................................... 110
Fig. 53. Graph of Sensor Resistance versus Temperature......................................................................................................... 110
Fig. 54. Graph of Sensor Resistance versus Temperature......................................................................................................... 111
Fig. 55. Graph of Sensor Resistance versus Temperature......................................................................................................... 111
Fig. 56. Graph of Sensor Resistance versus Temperature......................................................................................................... 112
Fig. 57. Graph of Sensor Voltage versus Humidity. .................................................................................................................... 112
Fig. 58. C7600C output current vs. humidity............................................................................................................................... 112
Fig. 59. Graph of Sensor Current versus Enthalpy (volts). ......................................................................................................... 113
Fig. 60. Partial psychometric chart for a C7400A Solid State Enthalpy Sensor. ........................................................................ 114
Fig. 61. C7400A Solid State Enthalpy Sensor output current vs. relative humidity. ................................................................... 114
Fig. 62. Graph of Sensor Voltage versus CO2 concentration. .................................................................................................... 115
Fig. 63. Graph of Sensor Voltage versus input Voltage to A/D. ................................................................................................. 115
Fig. 64. Graph of Sensor Voltage (Vdc) versus Pressure (Inw). ................................................................................................. 116