Bedienungsanleitung Sorel DR3 (Seite 6 von 8) (Englisch)

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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

Sorel DR3 Seite 6

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