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Resumen del manual
¦ The continuous-flow heater is only suitable for connection to DVGW (German Technical and Scientific Association for Gas and Water) approved plastic pipes. ¦ The continuous-flow heater may only be installed in a frost-free room. ¦ Disconnect the electrical connection cable from the supply and shut off the water supply before connecting the appliance! ¦ Connect the water supply and then connect the electrical supply. ¦ Only make the openings which are required for installation on the rear of the appliance. If the appliance is reinstalled, the unused openings must be provided with watertight sealing. ¦ Do not touch electrically live parts after installation. Installation I. Unpacking/Removing the cover ¦ Unpack the appliance and check for transport-related damage. ¦ Please dispose of the packaging, and if applicable, the old appliance in an environmentally-friendly manner. II. Preparations for installation Important: Only use the supplied installation set. The supplied water connection nozzles must be installed! ¦ Shut off water supply. The electrical connection (connection cable) must be disconnected from the power supply. Unscrew the fuse or switch off the circuit breaker. III. Wall mounting ¦ The continuous-flow heater must be mounted on the wall. Attach it if necessary on the lower adjustable screws. ¦ The distance to the wall is variable. You can compensate for any unevenness of the wall's surface. ¦ The grommet must tightly surround the connection cable. If it is damaged during mounting, the openings must be provided with watertight sealing. IV. Water connection ¦ The continuous-flow heater must be vented. Open the warm water tap fully and flush out the appliance thoroughly for 1 minute. V. Electrical connection/Mounting ¦ The electrical supply terminal can be fitted at the top or bottom. The sheath of the connection cable must extend for at least 40 mm into the appliance. VI. Startup/additional information ¦ Remove the flow-rate limiter (see Fig. A) with low water pressure. ¦ Explain the operation of the continuous-flow heater to the user. A If the continuous-flow heater does not have sufficient water flow due to low water line pressure in your domestic plumbing system, remove the flow-rate limiter. B Priority circuit for the combination with electrical storage heaters: For operation with a priority circuit, a special load shedding relay BZ 45L20 (special accessory) is required. Other existing load shedding relays, with the exception of electronic load shedding relays, may malfunction. CD The control electronics must be coded when operated with a load shedding relay. The filter upstream from the check valve in the cold water supply inlet is clogged. Remove the filter and either clean it or descale it. See Figure D 1–3. 10 en Technical dat a DE 18515 DE 51518 DE 21515 DE 51521 DE 24515 DE 51524 DE 27515 Rated output [kW] 18 21 24 27 Rated voltage [V] 380 – 415 380 – 415 380 – 415 400 Fuse protection [A] 32 32 40 40 Minimum conductor cross-se...
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