Manual Sorel DR3 (page 5 of 8) (English)

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8.10 Menu „02 Settings“ for

Programme 10

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. Generally, there is no parallel operation of pump

R1 and pump R2.

Further adjustments for the priority settings must be done under

the item 10.2.

Tmax S3

Desired maximum solar temperature of storage tank 2 at sensor

S3. If the set temperature is exceeded at S3, the pump at R2

switches off and the storage tank is not charged any longer at

what the shift hysterese amounts 2°C.

Setting range:0...120°C Default value: 60°C

∆∆

∆T R2

Here the temperature difference must be set which must be

exceeded between the collector sensor and the sensor S3 of

the second storage tank for the solar heat charge///transfer into

the second storage tank via the pump R2 to begin.

The heat is charged///transferred into this storage tank until the

temperature difference has fallen to 1/3 of the set value.

Setting range:6...18K Default value: 10K

Priority

It must be set which storage tank (storage sensor) shall be

charged with priority. The charge of the lower-level storage tank

is interrupted in regular intervals to prove that the temperature

rise at the collector submits a charge of the prior storage tank.

Setting range:S2 / S3 Default value: S2

Tnom

The lower-level storage tank is not charged until the set Tnom

value is exceeded at the storage sensor of the prior storage tank.

Setting range:0...90°C Default value: 30°C

8.11 Menu „02 Settings“ for

Programme 11

At first, the same settings as in programme 1 must be done and

afterwards, the additional difference for the charge into the

sequence storage tank must be set.

Tmin S2

The set minimum storage temperature must be exceeded in the

solar storage tank at S2 for a heat discharge into the sequence

storage tank to be released.

Setting range:0...90°C Default value: 50°C

Tmax S3

Desired maximum storage temperature at sensor S3 in the

sequence storage tank. If the set temperature is exceeded at

S3, the pump at R2 switches off at what the shift hysterese

amounts 2°C.

Setting range:0...120°C Default value: 60°C

∆∆

∆T R2

Here the temperature difference must be set which must be

exceeded between the solar storage sensor S2 and the sequence

storage sensor S3 for a heat discharge into the sequence storage

tank to begin.

The heat is recharged until the temperature difference has fallen

to 1/3 of the set value.

Setting range:6...18K Default value: 10K

8.6 Menu „02 Settings“ for

Programme 6

At first, the same settings as in programme 1 must be done and

afterwards, the parameters for the second storage zone of the

storage tank must be set. Further adjustments for the priority

settings must be done under the item 10.2.

Tmax S3

Desired maximum solar storage tank temperature at the upper

storage sensor S3. If the set temperature is exceeded at sensor

S3, the valve at R2 switches off at what the shift hysterese

amounts 2°C.

Setting range:0...120°C Default value: 60°C

Priority

It must be set which storage tank area (storage sensor) shall be

charged with priority. The charge of the lower-level storage part

is interrupted in regular intervals to prove that the temperature

rise at the collector submits a charge of the prior storage area.

Setting range:S2 / S3 Default value: S2

8.7 Menu „02 Settings“ for

Programme 7

The same settings as in programme 1 must be done. After

exceeding of the difference „∆T R1“, the primary pump R2

switches on, though.

The secondary pump R1 does not switch on before the

temperature at the forerun sensor S3 is higher than at the storage

sensor S2. Pumps R1 and R2 switch off via sensors S1 and S2.

The rotational speed of the secondary pump R1 is controlled via

the forerun sensor S3 and the storage sensor S2.

8.8 Menu „02 Settings“ for

Programme 8

The same settings as in programme 1 must be done. The set

value of the minimum collector temperature „Tmin S1“ is for both

collector areas. The warmer collector is always perfused via the

change-over valve R2 when the solar pump R1 is active. The

change-over hysterese amounts 8°C.

The reference sensor to control the rotational speed and to switch

off the solar pump R1 is always the sensor of the collector area

which is being perfused.

8.9 Menu „02 Settings“ for

Programme 9

At first, the same settings as in programme 1 must be done and

afterwards, 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

Desried maximum solar temperature of storage tank 2 at sensor

S3. If the set temperature is exceeded at S3, the valve at R2

switches off and the storage tank is not charged any longer at

what the shift hysterese amounts 2°C.

Setting range:0...120°C Default value: 60°C

Priority

It must be set which storage tank (storage sensor) shall be

charged with priority. The charge of the lower-level storage tank

is interrupted in regular intervals to prove that the temperature

rise at the collector submits a charge of the prior storage tank.

Setting range:S2 / S3 Default value: S2

Tnom

The lower-level storage tank is not charged until the set Tnom

value is exceeded at the storage sensor of the prior storage tank.

Setting range:0...90°C Default value: 30°C

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Sorel DR3 Manual

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