Honeywell S7999D1048, Manual

Page: 35 / 76

S7999D1048 COMBUSTION SYSTEM OPERATOR INTERFACE DISPLAY
35 65-0321—01
Actuator Standby Positions (Presets)
Fig. 67. Fuel Standby Positions Preset.
Program Standby Position
—Lets you set the position of the
actuators when the controller is in the standby position. For
each actuator, select Closed , Lightoff or Open . If you select
Open , you must enter a value in the appropriate field to
indicate how wide the actuator should be opened (percentage
of the actuator span value).
Program Non Selected Fuel Position
—Lets you set the
position of the fuel actuator of the fuel that is not currently
being used. Select Closed , Lightoff or Open .
Remember to press the Set button before moving to a different
page.
Fig. 68. Fuel Standby Positions—Set Standby Open
Percentage.
Default System Parameters
The default values/settings for each system parameter are
shown in Table 5.
Advanced Options
Some advanced commissioning options are available by
selecting the “Advanced Options” button on the
Commissioning Configuration page (Fig. 69).
Fig. 69. Advanced Options.
Factory Default
To reset the Fuel/Air Ratio Control to factory default, select the
“Factory Default” button. A confirmation pop-up box displays
(Fig. 70) before the reset occurs. The user selects the “Yes”
button to continue with the reset. This feature is only enabled
for R7999 controllers that are build 180 and newer.
Table 5. Default Values/Settings for System Parameters
Parameter Default
Xma Operation
Operation Disabled
Max (20 mA) NA
Min (4 mA) NA
Threshold NA
Differential NA
Controller Timing
Postpurge time 30 seconds
Automanual Switch
Automanual Switch Normal Mode
Program Standby Position
Fuel Selection 1
Fuel Closed
Air Closed
FGR Closed
Fuel Selection 2
Fuel Closed
Air Closed
FGR Closed
Program Non-Selected Fuel Position
Fuel Selection 1
Fuel Selection 2
Closed
Fuel Selection 2
Fuel Selection 1
Closed
FGR Behavior During Purge
FGR Behavior During Purge Remains Closed.
Table 5. Default Values/Settings for System Parameters
Parameter Default