DeltaSol
®
BS
© RESOL 06177 deltasol_bs1.monen.indd
11 |
3.1.8 Maximum tank temperature
If the adjusted maximum temperature is exceeded, a further
loading of the tank is stopped so that a damaging overheating
can be avoided. If the maximum tank temperature is
exceeded, on the display is shown and .
Please note: The controller is equipped with a security-
switch-off of the tank, which avoids a further loading of the
tank if 203 °F are reached at the tank.
S MX:
Maximum tank temp.
Adjustment range
40 ... 205 °F
Factory setting 140 °F
CMX:
Maximum collector temp.
Adjustment range
210 ... 380 °F
Factory setting 250 °F
3.1.10 System cooling
If the adjusted maximum tank temperature is reached, the
solar system switches-off. If now the collector temperature
raises to the adjusted maximum collector temperature
(CMX), the solar pump remains activated until this limit
temperature value is again underrun. The tank temperature
might continue to raise (subordinated active maximum
tank temperature), but only until 203 °F (emergency shut-
down of the tank). If the tank temperature is higher than
the maximum tank temperature (S MX) and the collector
temperature is lower by at least 5 K than the tank tempe-
rature, the solar system remains activated until the tank is
again cooled down by the collector and the tubes under the
adjusted maximum temperature (S MX).
In case of active system cooling on the display is shown
(flashing). Due to the cooling function the solar system can
be kept operable for a longer period on hot summer days
and a thermal release of the collector and the heat transfer
medium is ensured as well.
OCX:
Option system cooling
Adjustment OFF ... ON
Factory setting OFF
3.1.9 Limit collector temperature
Collector emergency shutdown
If the adjusted collector limit temperature (EM) is exceeded,
the solar pump (R1/R2) is deactivated in order to avoid a
damaging overheating of the solar components (collector
emergency shutdown). The limit temperature is set to
285 °F but it can be changed within the adjustment range of
230 ... 400 °F. In the display is shown (flashing).
EM:
Limit collector temperature
Adjustment range
230 ... 400 °F,
Factory setting 285 °F
3.1.11 Option minimum collector limitation
OCN:
Mimimum collector limitation
Adjustment range OFF / ON
Factory setting OFF
The minimum collector temperature is a minimum switching
temperature, which must be exceeded so that the solar
pump (R1/R2) is switched-on. The minimum temperature
shall avoid a steady starting-up of the solar pump (or solid
fuel boiler charging pumps) for low collector temperatures.
If the minimum temperature is underrun, in the display is
shown (flashing).
3.1.12 Option antifreeze function
OCF:
Antifreeze function
Adjustment range
OFF / ON
Factory setting OFF
The antifreeze function activates the loading circuit bet-
ween collector and tank if the adjusted antifreeze function
is underrun in order to protect the medium that it will not
freeze or „get thick“. If the adjusted antifreeze temperature
is exceeded by 2 °F, the loading circuit will be deactivated.
Please note:
As there is only a limited heat quantity of the tank available
for this function, the antifreeze function should only be used
in regions with few days of temperatures around freezing
point.
CMN:
Minimum collector tempera-
ture Adjustment range
14 ... 32 °F
Factory setting 50 °F
CFR:
Antifreeze temperature
Adjustment range
14 ... 50 °F
Factory setting 40 °F
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