Camus Hydronics DFH/W500 Installation, Operation And Service Manual page 46

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 up to the
specified base load rate
(80%). If the temperature is
not within Error threshold
o
(5 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.
•
Modulation of boilers will
only occur after all boilers in
the Lead Lag system are firing
up to the specified base load
rate (80%).
41
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)