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Building Technologies Boiler sequence controller RMK770 CE1P3132en
HVAC Products 6 Boiler sequence management 23.04.2009
D2
D1
GE
1
3
2
4
5
6
7
1
3
2
4
5
6
7
1
3
2
4
5
6
7
D3
Auto
1
3
2
4
5
6
3132Z10
D1 D2 D3
Position 1 Auto
0 0 0
Position 2 Boiler 1
1 0 0
Position 3 Boiler 2
0 1 0
Position 4 Boiler 3
1 1 0
Position 5 Boiler 4
0 0 1
Position 6 Boiler 5
1 0 1
Position 7 Boiler 6
0 1 1
In Auto position, the lead boiler and the associated boiler sequence can do an auto-
matic changeover depending on the burner hours run of the lead boiler.
The burner hours run are calculated by the boiler sequence manager and are inde-
pendent of the hours run counters of the individual boilers.
Automatic boiler changeover ensures that the number of burner operating hours of the
individual boilers are pretty much the same.
Main menu > Commissioning > Settings > … or
Main menu > Settings > Boiler sequence manager > Control parameters
Operating line Range Factory setting
Changeover interval ----, 1…1440 h 500 h
Changeover day --- / Monday…Sunday Tuesday
Changeover time
00:00…23:59
04:00
If the period of time for the changeover interval is set to ---, there is no automatic
changeover.
utomatic boiler
changeover
Note
Setting
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