38
This function helps overcome the non-ideal sensor
position with some tube collectors.
This function operates within an adjusted time
frame. It activates the collector circuit pump for an
adjustable runtime between adjustable pauses in
order to compensate for the delayed temperature
measurement.
If the runtime is set to more than 10 s, the pump will
be run at 100 % for the rst 10 s of the runtime. For
the remaining runtime, the pump will be run at the
adjusted minimum speed.
If the collector sensor is defective or the collector is
blocked, this function is suppressed or switched o.
2-collector systems
In 2-collector systems, the tube collector function is
available for each individual collector eld.
If one of the collector elds is being loaded, the heat
transfer uid ows through the inactive eld and
only the corresponding relay is energised.
Multi-store systems
If the tube collector function is activated, the speed
of the solar pump will decrease to the minimum
speed during the loading break time. The solar loa-
ding of the subordinate store will continue.
In 2-collector systems, during the loading break
time, the collector eld which has been active befo-
re the loading break time remains active during the
loading break time, unless the tube collector func-
tion of the inactive eld becomes active.
Tube collector function
A d j u s t m e n t
channel
Description
Adjustment range / selec-
tion
Factory setting
Start Start time frame 00:00 ... 23:00 08:00
Stop Stop time frame 00:30 ... 23:30 19:00
Run Pump runtime 5 ... 600 s 30 s
Break Break 1 ... 60 min 30 min
Delay Pump delay 5 ... 600 s 30 s
Collector Collector eld system dependent system dependent
Funct. Activation / Deactivation Activ., Deactivated Deactivated
Solar / Opt. functions / Add new function... / Tube collector
295931-36390-8667 SOM 8 plus_en.indb 38 20.10.2011 13:14:39
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