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manual abstract
¦ When making holes in the rear wall, only make the number of holes required for installation. If the appliance is reinstalled, any holes that are not used must be made watertight. ¦ Live components must not be touched subsequent to installation. Mounting I. Unpacking / removing the housing cover ¦ Unpack the appliance and check for transportation damage. ¦ Dispose of the packaging and, where applicable, the old appliance, in an environmentally conscious manner. II. III. Preparation for assembly Wall-mounted assembly ¦ The continuous-flow heater must be fitted securely to the wall. Fasten the heater by means of the enclosed screws and rawl plugs. ¦ The adjustable screws can be used to compensate for any unevenness of the wall's surface. IV. Water supply ¦ The flow-through heater must be vented. Open the warm water tap completely and allow to flow through for one minute. V. Electric supply ¦ For appliance DH1UF24, the electrical supply clamp can also be mounted underneath. For appliances DH1UF12, DH1UF18 and DH1UF21, special accessory BZ45Z20 is available for this purpose. At least 20 mm of the connecting cord’s insulating jacket must be clamped inside the appliance. VI. Startup ¦ At low water pipe pressure, check whether the 2 setting switches on even when water is drawn from several cold- water taps simultaneously. If not, remove the flow limiter (refer to additional information A). ¦ Instruct the user with regard to the operation of the continuous-flow heater. A B Additional information ¦ If the water pressure of the interior system is low, do not operate the continuous-flow heater at full power, but remove the flow limiter (Fig. A). ¦ Priority circuit for the combined operation of electric storage heaters (Fig. B). 6 EN EN Specifications Rated power [kW] Rated voltage 12 380 V 3~ 13.2 400 V 3~ 18 400 V 3~ 21 400 V 3~ 24 400 V 3~ Economy setting e [kW] 1st stage – – 6 7 8 2nd stage 8 8.8 12 14 16 Intensive setting II [kW] 1st stage – – 9 10.5 12 2nd stage 12 13.2 18 21 24 Switch-on point [I/min] 1st stage – – 4.0 4.5 5.0 2nd stage 3.6 3.6 5.0 5.8 6.6 Mixed water [I/min] at rated power approx. 38 °C 6.6 7.3 9.9 11.6 13.2 approx. 50 °C (supply temperature 12 °C) 4.5 5.0 6.8 7.9 9.1 Minimum flow pressure of appliance* [MPa (bar)] with flow limiter 0.03 (0.3) 0.03 (0.3) 0.07 (0.7) 0.08 (0.8) 0.09 (0.9) without flow limiter 0.02 (0.2) 0.02 (0.2) 0.04 (0.4) 0.05 (0.5) 0.06 (0.6) Operative range in waters of specific electric resistance at 15 °C [.cm] . 1300 . 1300 . 1300 . 1300 . 1300 Rated pressure [MPa (bar)] 1(10) 1 (10) 1 (10) 1 (10) 1 (10) Maximum permissible supply temperature [°C] 20 20 20 20 20 * Plus any pressure loss at the tap mixer Special accessories ¦ BZ 45U20 Pipe set: When using the continuous-flow heater as a built-under appliance. ¦ Priority switch (load reducing relay) BZ 45L20: For operation with the priority circuit. ¦ BZ 45K22 Mounting set: For surface-mount installation. G12A3753947212413623610042204140 7 EN EN Operating Instructions Please read these operating instructions carefully before using the appliance for the first time. Your new appliance The continuous-flow heater heats the water as it flows through the appliance. The appliance only consumes power during this period. Safety information ¦ This appliance is not intended for use by persons (including children) with reduced physical,...
Other models in this manual:Water Heaters - DH1UF21/01 (1.72 mb)
Water Heaters - DH1UF24/01 (1.72 mb)