Camus Hydronics DRH300 Installation, Operation And Service Manual page 44

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
o
Error threshold (5 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
38
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)