Unvented small instantaneous water heaters Operation and installation instructions Operating Instructions 13 Description of the unit 13 Key facts in brief 13 Installation instructions 14 - 20 Technical data, brief description, 15 installation location, regulations and provisions Preparing to install the unit 16 Installing the unit First start-up 20 Servicing instructions 20...
22 °C 11 °C 7 °C 5 °C 4 °C Table 1 shows the temperature rise of particular units as a function of the flow DHC 3 U 3,5 kW 25 °C 13 °C 8 °C 6 °C 5 °C rate.
– Install the unit flush with the wall. – Piped supplementary heating is not permissible. DHC 3 U DHC 3, DHC 4, DHC 6, DHC 6 S, DHC 8 – Water installation material: DHC 6 U Cold water pipe: Steel or copper...
3. Cut electrical connection lead to length as per Fig. 16, and strip off the insulation Æ 6 mm (not required for DHC 3 U). 4. Determine the position of the drillholes with the aid of the installation template (pages 39 and 40). Press the dowels in and insert the screws (check the depth to which the screws are inserted;...
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– Connect jet regulator unit, Item 6 (only Fig. 10 DHC 3 U, enclosed) to the fitting outlet. DHC 3, DHC 4, DHC 6, DHC 6 S, DHC 8 Over-sink installation DHC 3, DHC 4, DHC 6, DHC 6 S, DHC 8 Examples of installations with conventional pressure fitting (Fig.
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– Establish the fixed-position lead (Item 7) for the electrical connection (Item 10) in accordance with Fig. 14 See page 20 for concluding the installation. DHC 3, DHC 4, DHC 6, DHC 6 S, DHC 8: – For concealed installation, the connection lead must project with insulation at least 65 mm out of the wall (Fig.
(Fig. 19) Fit the cover, and secure it with the centre screw (Item 1). With DHC 3 U, DHC 6 U and DHC 6 S, the cover can also be secured as an alternative with the hexagonal-headed screws provided (Item 2), in the event of only a small gap pertaining between the unit and the floor.
Elimination of faults by the user Fault Cause Rectification No hot water despite the hot water fitting The water flow rate required for the system being fully opened. to switch on has not been achieved (see Table 2). – Dirt contamination or limescale –...
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Montageschablone Template Plantilla de montaje...