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Isomix-F Control station for constant maintenance of the flow temperature in surface heating systems Installation and Operating Manual (translated from the original operating manual) WattsWater.eu...
Safety ������������������������������������������������������� 3 Presentation of safety information ......3 This installation and operating manual • is an integral part of the Isomix-F Important safety information ........3 • contains instructions and information about safe and cor- Intended use ..............3 rect installation and commissioning of the Isomix Foreseeable misuse ...........3...
Operators • The Isomix-F must not be used if it is damaged or is no longer operating correctly. In this case, contact your spe- Operators are deemed to be qualified if they have read these cialist dealer immediately.
ENGLISH 3 Structure 4 Function The mixer valve (3) on the control station is controlled via a thermostat head (2) with capillary tube and sensor ele- ment on the heating circuit supply (A). Deviations from the set value immediately cause a valve stroke change, there- by changing the quantity of hot water injected from the boiler circuit accordingly.
Interface Unit HIU 2 rying out any installation, maintenance, cleaning or repair For use in combination with the Watts HIU 2 Heat Interface work. Unit, the Isomix-F must be converted (overhead) and the...
ENGLISH 8.3 Temperature limiter NOTICE Flushing is permitted only in the direction In the event of a fault, the temperature limiter switch- of flow of the heating circuits, i.e. the water must enter es off the circulation pump and so avoids overheating through the flow manifold and come out of the return! of the surface heating system�...
ENGLISH 9 Troubleshooting Fault Possible cause Remedy Underfloor heating circuits do not heat up; pump not running Temperature limiter (TL) is switching the control station Set TL to approx. 10 K higher than the underfloor heating pump off. flow temperature. Reason: TL setting is too low.
Wear heat-resistant safety gloves if it is necessary to 10.2 Replacement of wear parts carry out work on hot components. Please note that the Isomix-F contains parts that, for techni- cal reasons, are subject to wear depending on the intensity NOTICE...
The descriptions and photographs contained in this product specification sheet are supplied by way of information only and are not binding. Watts Industries reserves the right to carry out any technical and design improvements to its products without prior notice. Warranty: All sales and contracts for sale are expressly conditioned on the buyer’s assent to Watts terms and conditions found on its website at www.wattswater.eu/gtc/.
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