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8. Thermix V - Meibes

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Example for using the guide value table<br />

Default value:<br />

provided supply temperature of the heat source<br />

(preliminary temperature of the unmixed heating circuit): 65°C<br />

designed preliminary water temperature of the mixed heating circuit: 40°C<br />

designed spread of the mixed heating circuit: 7 K<br />

yield of the mixed heating circuit: 10 kW (corresponds to a volumetric flow rate of 1253 l/h at 7 K)<br />

essure loss of the mixed heating circuit at the<br />

calculated volumetric flow rate (1253 l/h): 0.15 bar<br />

Guide-value readings:<br />

<strong>Thermix</strong>-pump pump level is to be set at: 3<br />

minimum values of boiler circuit to be provided: volumetric flow rate 274 l/h<br />

Pressure difference: of 0.05 bar<br />

The minimum values from the boiler circuit to be provided for the mixed heating circuit are implemented via the boiler/thermal pump. While<br />

doing so, ensure that the unmixed heating circuit is being sufficiently supplied. The unmixed heating circuit should normally be hydraulically<br />

compensated.<br />

9. Accessories (Safety unit Prod.No.: 27410.6)<br />

see Fig. 10 A Valve B Low temperature side (mixed circuit) C Temperature control device<br />

Technical Data<br />

TTemperature control device:<br />

Type: bimetallic clip-on thermostat for fixing to pipe (up to 2“) by means of tension strap; switchover function (change-over<br />

contact); adjustable<br />

Adjustment range: 30 - 90°C<br />

Switching capacity: 16 (3) A. 250 V<br />

Degree of protection: IP30<br />

Valve:<br />

Type: -way valve with thermally operated adjusting attachment, closed off-circuit<br />

Voltage: 230 V AC/DC<br />

Degree of protection: IP43<br />

Protection class: fully insulated<br />

The safety unit prevents an unacceptable temperature rise in the low-temperature circuit in case of faults in the <strong>Thermix</strong>.<br />

If the temperature set at the temperature control device is exceeded the valve integrated in the flow closes and prevents hot water from<br />

entering the heating circuit.<br />

All valid standards and regulations must be observed and complied with during installation and operation!<br />

(The parts included in the safety unit‘s scope of delivery are shown in black.)<br />

22<br />

GB

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