12
PC Program Instructions
6
Parameters
Set 2: Functional Data
Set 2 is accessed by clicking on
Parameters
at the top of the
Main Screen window, then clicking on
Set 2: Functional Data
on the pull-down menu (FIG. 6-1, page 10).
Cascade control
Parameters
2DJ
and
2DK
determine the time delays used by
the Cascade. To access the Cascade parameters, click on the
tab labeled
2D
Cascade.
Block time switching boiler on
Parameter
2DJ
is the minimum time delay between starting
one burner and starting the next burner in the Cascade. The
range for this parameter is 0 seconds to 255 seconds. The
default value is 60 seconds.
Block time switching boiler on/off
Parameter
2DK
is the minimum ON and OFF time for each
burner in the Cascade and is used to prevent short cycling of
the burners. The range for this parameter is 0 seconds to 255
seconds. The default value is 30 seconds.
Block time Switch On/Off 2
nd
burner HW
Parameter
2DR
is not used on the SYNC boiler.
Figure 6-4
Parameter Set 2D
