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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