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Sorel DR3 Manual

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L:\Bedienanleitungen\SOREL\DR3\DR3_2003englissh_040203_mb.p65
8.12 Menu „02 Settings“ for
Programme 12
The same settings as in programme 1 must be done. The
swimming pool pump R2 switches on when the forerun sensor
S3 is warmer than the swimming pool sensor S2.
8.13 Menu „02 Settings“ for
Programme 13
At first, the same settings as in programme 1 must be done and
afterwards, the parameters for the charge of the second storage
tank must be set. Further adjustments for the priority settings
must be done under the item 10.2.
Tmax S3
Desired maximum swimming pool temperature at sensor S3.
When exceeding, the valve and the pump at R2 switch off at
what the shift hysterese amounts 2°C.
Setting range:0...120°C Default value: 60°C
Priority
It must be set whether the storage tank (sensor S2) or the
swimming pool (sensor S3) shall be charged with priority. The
charge of the lower-level consumer is interrupted in regular
intervals to prove that the temperature rise at the collector submits
a charge of the prior consumer.
Setting range:S2 / S3 Default value: S2
Tnom
The lower-level consumers are not charged until the set Tnom
value is exceeded at the sensor of the prior consumer.
Setting range:0...90°C Default value: 30°C
8.14 Menu „02 Settings“ for
Programme 14
At first, the same settings as in programme 1 must be done and
afterwards, the additional difference for the heating return rise
must be defined.
Tmax S3
If the set temperature exceeds at the heatcircle return sensor
S3, the return rise / relay R2 will switch off for the heating circle
not to be overheated. The shift hysterese amounts 2K.
Setting range:0...120°C Default value: 60°C
Priority
It must be set if the storage tank (sensor S2) shall be charged
with priority or if the heat shall be used with priority for the heating
return rise (sensor S3). The charge of the lower-level consumer
is interrupted in regular intervals to prove that the temperature
rise at the collector submits a charge of the prior consumer.
Setting range:S2 / S3 Deafult value: S2
Tnom
The lower-level consumers are not charged until the set Tnom
value is exceeded at the sensor of the prior consumer.
Setting range:0...90°C Default value: 30°C
Note: After adapting the settings to the system, the solar
protection function (see 9.1) and/or the freeze protection function
(see 9.2) must be activated and adapted to the system, if
necessary.
Afterwards, rotational speed control of the solar pump and
consequently discharge rate etc. can be adapted precisely (see
10.1).
With programmes 6,9,10,11,13,14, additional parameters
regarding the storage prior settings must be set (see 10.2).
In addition, the contoller makes it possible to activate and adapt
a special start help function (see 10.3), e.g. for systems with
vacuum tube collectors and when the uptake of temperature
measurements is too slow or too inaccurate.
9. Activating the protection functions
Depending on information of storage and collector fabricators,
the controller makes it possible to activate and set different so-
lar protection and freeze protection functions. In state of delivery
of the controller, the solar protection function as well as the freeze
protection is switched off.
By using the Plus or Minus key, the respective sub-menu Solar
protection (see 9.1) or Freeze protection (see 9.2) can be chosen
and then confirmed by pressing the Enter key.
Caution: These functions under no circumstances replace safety
devices. Measures such as protection against frost, scalding,
overpressure etc. must be provided on the installion side, if
necessary. Settings and changes in this menu have a
considerable effect on the safety and function of the device and
should only be done by a specialist.
9.1 Activating and setting solar protection
Solar protection
If ‘no’ is selected, the solar protection function is not activated
and the controller returns subsequently back to the main menu.
If ‘yes’ is set, the solar protection function is activated. In addition,
the following settings have to be done.
Setting range:yes / no Default value: no
Variation
If selecting variation 1, the controller switches on the solar pump
for the collector to be protected against overtemperature when
the following set value „Protection on“ is exceeded at the collector
sensor and the storage sensor/s has/have exceeded the set Tmax
value. In devices with several storage tanks, the heat discharge
happens in the lower-level storage tanks. If selecting variation
2, the solar pump switches off when the value of „Protection on“
exceeds. The function of the solar pump will not be released
again before the value of „Protection off“ has fallen below.
Setting range:1 / 2 Default value: 1
Protection on
If the set value exceeds at the collector sensor, the solar
protection function will be activated.
Setting range:60...150°C Default value: 110°C
Protection off
The solar protection function remains active until the set value
to switch off at the collector sensor has fallen below.
Setting range:50...protection on -5K
Default value: 100°C
St.-Max
(query only with variation 1)
The solar protection switches off as soon as the selected value
at the lower storage sensor exceeds for the storage tank to be
protected against overtemperature.
Setting range:50..140°C Default value: 90°C
9.2 Activating and setting freeze protection
Freeze protection
If ‘no’ is selected, the freeze protection function is not activated
and the controller returns subsequently back to the main menu.
If ‘yes’ is set, the freeze protection is activated. In addition, the
following settings have to be done.
Setting range:yes / no Default value: no
F-protection on
If the set value at the collector sensor falls below, the solar pump
switches on for the heat to be transferred from the storage tank
into the collector and the tube system.
The pump switches off again as soon as the set value at the
collector sensor exceeds with 5°C.
Setting range:-25...+5°C Default value: 0°C
04 Protect. function Select with or
Confirm with
04 Protection funct. Solar protection
04 Protection funct. Freeze protection
1x
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