750-265 60
Lead lag hysteresis
step time
The time needed for one step of hysteresis shift, when the off hysteresis threshold or on
hysteresis threshold is shifted due to a burner-on or burner-off event, respectively. Zero
disables this function.
Not available
at this time.
Lead lag I gain Gain applied to the integral term of the PID equation for the LL master. Not available
at this time.
Lead lag master
enable
This parameter determines whether the Falcon will operate as a lead lag master on the local
Modbus.
Not available
at this time.
Lead lag master stat
input enable
If enabled then the STAT input provides an overall demand input for the LL master. When
STAT is off then the LL master will operate the slave burners, but when it is off the master
will turn off all slave burners.
Not available
at this time.
Lead lag off
hysteresis
The off hysteresis is added to the LL master's setpoint to determine the temperature at
which this demand turns off
Not available
at this time.
Lead lag on
hysteresis
The on hysteresis is subtracted from the LL master's setpoint to determine the temperature
at which this demand turns on.
Not available
at this time.
Lead lag outdoor
reset enable
If outdoor reset is enabled then the current outdoor temperature is used to determine the
Setpoint by interpolation using LL Setpoint (or LL Time-Of-Day Setpoint if TOD is on), the
min water temperature, and the min and max outdoor temperatures.
Not available
at this time.
Lead lag P gain Gain applied to the proportional term of the PID equation for the LL master. Not available
at this time.
Lead lag sequence
type
The Lead Lag master may operate according to several sequencing algorithms. This
parameter selects one of these.
Not available
at this time.
Lead lag setpoint This Setpoint is used when the time-of-day input is off. If the ODR function is active, this
Setpoint provides one coordinate for the outdoor reset curve, as described for the LL
Outdoor Reset parameter.
Not available
at this time.
Lead lag slave
enable
This parameter determines whether the CB Falcon will operate as a lead lag slave. Not available
at this time.
Lead lag tod
setpoint
This Setpoint is used when the time-of-day input is on. If the ODR function is active, this
Setpoint provides one coordinate for the shifted (because TOD is on) outdoor reset curve,
as described for the LL Outdoor Reset parameter.
Not available
at this time.
Lightoff rate This parameter specifies the analog output or fan speed used during Ignition. 41
Lightoff rate proving This parameter specifies the input used to confirm the Prepurge rate has been reached. 37
LL ODR boost max
setpoint
For LL demand and when outdoor reset is active, the setpoint will be boosted if demand is
not met after a period of time. This parameter provides the upper limit for boosting the
setpoint.
Not available
at this time.
LL ODR boost time For LL demand and when outdoor reset is active, the setpoint will be boosted if demand is
not met after a period of time. This parameter provides the upper limit for boosting the
setpoint.
Not available
at this time.
LL ODR max
outdoor temperature
This parameter determines the maximum outdoor temperature for the LL outdoor reset
graph. At th
e maximum outdoor temperature the setpoint will be the minimum water
temperature.
Not available
at this time.
LL ODR min
outdoor temperature
This parameter determines the X coordinate of one point on the ODR graph. At this outdoor
temperature the setpoint will be the LL setpoint (or the LL TOD setpoint, if TOD is on).
Not available
at this time.
LL ODR min water
temperature
This parameter provides the LL setpoint when the outdoor reset temperature is at its
defined maximum.
Not available
at this time.
Manual firing rate This parameter specifies the analog output or fan speed during burner modulation, when
the Firing rate control parameter specifies Manual mode.
41
MFEP This parameter provides choices for the duration of the MFEP (main flame establishing
period) time. Flame must remain on throughout the MFEP or a response occurs. Not
needed and ignored unless the Pilot type is Interrupted.
39
MFEP flame failure
response
If flame fails in the Main Flame Establishing Period and recycle is selected then the burner
control recycles back to the beginning of Prepurge, then continues with the normal burner
startup process to attempt to light the burner again.
39
Minimum
modulation rate
Provides the lower limit of analog output or fan speed during modulation. 41
Table 30. Parameter Glossary.
Parameter Name Short Description Ref. Page
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