STIEBEL ELTRON SOM 6 SI - Manual (Page 12)

SOM 6 SI
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3.1.14 Tube Collector Function
If the controller measures an increase of 4 °F compared to
the collector temperature which was last stored, the solar
pump is switched-on for about 30 seconds. After the solar
pump is deactivated the current collector temperature is
stored as new reference value. If the measured temperature
(new reference value) is again exceeded by 4 °F, the solar
pump again switches-on for 30 seconds. If the switch-on
differential is reached during any of these processes the
controller automatically switches over to solar charging.
If the collector temperature drops by 4 °F while the system
fluid is stagnant, the switch-on value for the special tube
collector function will be recalculated.
O TC:
Tube Collector Function
Adjustment range:
OFF / ON
Factory setting: OFF
3.1.13 Recooling Function
This setting is designed to be used in conjunction with the
System Cooling Function, which overrides the maximum
store temperature (S MX) when used. This function will
cool the tank back down to its maximum temperature when
the collector temperature becomes low enough to facilitate
such. This prevents a cumulative overheating condition if the
cooling function needs to be used multiple days in a row.
In order to utilize this function with tube collectors, a heat
rejection loop (heat dump) is necessary.
OREC:
Recooling Option
adjustment range
OFF / ON
Factory setting: OFF
For control and service work the operating mode of the
controller can be manually adjusted by selecting the ad-
justment value HAND, in which the following settings are
available.
3.1.15 Circulator Pump Operating Mode
• HAND
Operating mode
OFF
: relay off (flashing) +
AUTO : relay in automatic operation
ON : relay on (flashing) +
HAND:
Operating Mode
Adjustment range:
OFF/AUTO/ON
Factory setting: AUTO
3.1.16 Language
The menu language can be adjusted in this channel.
• dE : German
• En : English
• It : Italian
• Fr : French
LANGUAGE
Language Setting
A d j u s t m e n t r a n g e :
d E , E n , I t , F r
Factory setting: En
3.1.17 Units for Temperature Display
The menu units can be adjusted in this channel:
• °FAH
• °CEL
UNIT:
Temperature Display Units
A d j u s t m e n t r a n g e :
FAH, CEL
Factory setting: FAH