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Automatic change of start-up sequence
Condition: ”Auto sequence change Yes” must be configured (see page 27).
Once a week the control unit changes the sequence in which the boilers are started up and shut down (based
on the operating hours of each boiler). The boiler which has run the fewest hours is the first to be started, fol-
lowed by the boiler with the second lowest number of hours run.
Operating details (multiple-boiler control unit)
Example of a start-up sequence.
Heating system pump
Condition: ”Pump Yes” must be configured (see page 26).
The heating s ystem pump will be started if the required s upply temperature is higher than 32 ºF / 0 ºC and/or if
a heat demand exists.
Run-on time
You may set a run-on time for the heating system pump operation.
Nominal value (multiple-boiler control unit)
The pump will then run on for the s et duration.
5285 565 v1.35285 565 v1.3
Boiler sequence
1-2-3
Run-on time
Pump 10 min
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