Upon a call for heat the lead
boiler will fire up 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 up to
the base load rate specified.
• This method will then be
repeated for the next lag
boiler, if available.
1) Press
and
2) Press [Lead Lag Master Configuration]
3) Press [Advanced Settings >]
4) Press the to arrive at Add Stage
5) Select Error threshold
6) Select Interstage delay