Rotation schedule adjustment
Description
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)
Base load rate adjustment
Description
•
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
F) of setpoint after
o
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 rate (80%).
Electrical Connection(s)
Electrical Connection(s)
Programming Instructions
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)
Programming Instructions
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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