STIEBEL ELTRON SOM 10 - Manual (Page 34)

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Adjustment channel Description Adjustment range / selection Factory setting
Load. break Loading break time 1 ... 5 2
Circ. Circulation time 1 ... 60 15
Break speed Pause speed Yes, No No
Speed Pause speed 30 ... 100 % 30 %
Pump delay Pump delay Yes, No No
Delay Delay time 5 ... 600 15
process stops and the controller monitors the incre-
ase in collector temperature during the loading break
time Load. break. If it increases by 2 K [4° Ra], the
break time timer starts again to allow the collector
to gain more heat. If the collector temperature does
not increase sufficiently, the subordinate store will be
loaded again for the Circ. time as before.
As soon as the switch-on condition of the priority
store is fulfilled, it will be loaded. If the switch-on
condition of the priority store is not fulfilled, loading
of the second store will be continued. If the priority
store reaches its maximum temperature, sequence
controlled loading will not be carried out.
If store sequence control is active and the system
switches to load the priority store, the parameter
Load. break also acts as a stabilization timer, during
which the switch-off condition is ignored while the
system operation stabilizes.
Loading logic
Solar / Basic settings / Loading logic
8.2 Solar optional functions
In this menu, additional functions can be selected and
adjusted for the solar part of the arrangement.
By selecting Add new function..., different pre-pro-
grammed functions can be selected. The optional func-
tions are available as long as free relays are available.
When a function is selected, a submenu opens in
which all adjustments required can be made.
With this menu item, a relay and, if necessary, certain
system components can be allocated to the function.
In systems with 2 or more stores, loading logic adjust-
ments can be made in this menu.
In systems 1 and 2, only the menu item Pump delay
will be available.
If the priority store cannot be loaded, the subordinate
store next in priority is checked. If useful heat can
be added, it will be loaded for the circulation time
(Circ. – factory setting 15 min.) After this, the loading