User Manual

Periodic changeover set to "Auto" means that weekly periodic changeover of the
lead aggregate can be activated.
Periodi
c changeover
Periodi
c changeover balances out the number of operating hours between the
individual aggregates.
Main menu > Commissioning > Settings > .... or
Main menu > Settings > Aggregates > Rotary step switch > Rotary step switch 1…2 >
Operating line Range Factory setting
Changeover day --- / Monday…Sunday ---
Changeover time 00:00…23:59 04:00
You can set the changeover time (weekday, time) to avoid changeover to another
lead aggregate at undesirable times (e.g. weekend).
Periodic changeover set to "Auto" means that changeover by operating hours can
be activated. In this case, changeover of the lead aggregate occurs in dependence
of the lead aggregate's operating hours.
Cha
ngeover by operating
hours
Cha
ngeover by operating hours balances out the number of operating hours
between the individual aggregates.
Main menu > Commissioning > Settings > .... or
Main menu > Settings > Aggregates > Rotary step switch > Rotary step switch 1…2 >
Operating line Range Factory setting
Changeover
interval
----, 1…1440 h ---
There is no changeover by operating hours if "Changeover interval" is set to "---".
Operating hours changeover can be carried out with or without a changeover day
and time. To do this, both changeover day and time must be activated.
After a set time, the next aggregate is selected as lead aggregate upon
changeover time defined in periodic changeover.
Operating hours are counted only if:
Note
 Modulating
aggregates are connected.
 Control of the modulating aggregate
> 80 %.
Sequence selector set to "Auto" means that continuous changeover of the lead
aggregate can be activated.
Firs
t in first out
The agg
regate switched on first is switched off if several aggregates are switched
on and the load drops.
First-in first out balances out the number of operating hours between the individual
aggregates.
Main menu > Commissioning > Settings > .... or
Main menu > Settings > Aggregates > Rotary step switch > Rotary step switch 1…2 >
Operating line Range Factory setting
First in first out No/Yes No
With this setting, an additional aggregate can be switched even if the locking time
of the aggregate switched off most recently has not yet expired.
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Siemens Switching and monitoring device RMS705B CE1P3124en
Building Technologies Aggregates 01.04.2010