Standard rotation schedule is
based on equalizing run time
on a 1-hour schedule
• To vary the rotation to a fixed
schedule based on (hours,
days)
1) Press
and
2) Press [Lead Lag Master Configuration]
3) Press [Advanced Settings >]
4) Press the to arrive at Algorithms
5) Select Lead selection method: Sequence order
6) Select Lag selection method: Sequence order
7) Select Lead rotation time: (user defined)
Upon a call for heat the lead
boiler will fire to the specified
base load rate (80%). If the
temperature is not within
Error threshold (5
o
F) of
setpoint after Interstage
delay (2 minutes) a lag boiler
will be brought online and
will also fire at the base load
rate specified.
• Modulation of boilers will
only occur after all boilers in
the Lead Lag system are firing
at the specified base load
1) Press
and
2) Press [Lead Lag Master Configuration]
3) Press [Advanced Settings >]
4) Press the to arrive at Rate Allocation
5) Select Base load common: (user defined)
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