5302
682
19
2.4 Settings and Adjustments
Lead boiler selection control
1 = 1st boiler
3560 operating hours
2 = 2nd boiler
1430 operating hours
3 = 3rd boiler
2425 operating hours
A
Activation sequence 2-3-1
B
Deactivation sequence 1-3-2
Example of automatic mode
“
”
On/off sequence of boilers in multi-boiler
systems
The sequence in which the boilers in a
multi-boiler system are activated and
deactivated is automatically determined by
the control unit (factory default). However,
the user has the ability to select a particular
sequence manually.
Automatic mode
“
”
Turn the lead boiler selector switch
“FK/WA”
to
“
”
→
In this setting, the
control calls up the operating hours of the
individual boilers internally. The Dekamatik
then determines the activation sequence in
ascending order of the number of hours run.
The deactivation sequence is determined in
reverse order.
1 = 1st boiler
2 = 2nd boiler
3 = 3rd boiler
A
Activation sequence 3-1-2
B
Deactivation sequence 2-1-3
Example of manual mode
“
”
in switch position “III”
Manual mode
“
”
Turn the lead boiler selector switch
“FK/WA”
to
“
”
→
Please refer to the following table
for the activation sequence for different
heating system types and boiler sequence
selector switch settings.
In each case, the deactivation sequence
follows the reverse order.
Boiler se-
quence
selector
Activation sequence of
boilers in a
selector
switch
setting
2-boiler
system
3-boiler
system
I
1-2
1-2-3
II
2-1
2-3-1
III
1-2
3-1-2
