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Hydraulically controlled, open
small instantaneous water heater
with bare-wire heating system
Operation and installation
MDO 35
MDO 44
MDO 57

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Summary of Contents for ZANKER MDO 35

  • Page 1 Hydraulically controlled, open MDO 35 small instantaneous water heater MDO 44 with bare-wire heating system MDO 57 Operation and installation...
  • Page 2: Table Of Contents

    Inhalt - Special information SPECIAL SPECIAL INFORMATION OPERATION INFORMATION General information ............ 4 Safety ................5 Appliance description ..........6 Settings ................. 6 ◦ The appliance may be used by children Cleaning, care and maintenance ....... 6 Troubleshooting ............7 aged 3 and up and persons with re- INSTALLATION duced physical, sensory or mental capa-...
  • Page 3: Special Information

    ◦ The specified voltage must match the mains voltage. ◦ Connect the appliance permanently to fixed wiring, exception MDO 35. ◦ Connect the appliance to earth. ◦ In the case of damage, the power cable must only be replaced by a qualified contractor authorised by the manufactu- rer using the original spare part.
  • Page 4: General Information

    Operation OPERATION 1.1.2 Symbols, type of risk Symbol Type of risk Injury General information Electrocution The chapter „Operation“ is intended for appliance users and qualified contractors. Burns The chapter „Installation“ is intended for qualified cont- (burns, scalding) ractors. Note 1.1.3 Keywords Read these instructions carefully before using the appliance and retain them for future reference.
  • Page 5: Safety

    Operation 2.2 General safety instructions Symbol Material losses DANGER Scalding (appliance damage, consequential losses and en- vironmental pollution) During operation, the tap can reach temperatures in Appliance disposal excess of 50 °C. There is a risk of scalding at outlet temperatures in excess of 43 °C.
  • Page 6: Appliance Description

    Operation Settings Material losses Ensure that the non-pressurised appliance is not The appliance heating system switches on automatically exposed to any pressure as this could cause irre- as soon as you open the DHW valve at the tap or activate parable damage: the sensor of a sensor tap.
  • Page 7: Troubleshooting

    Operation Troubleshooting Problem Cause Remedy The appliance will not No power to the ap- Check the fuses/ start despite the DHW pliance. MCBs in your fuse valve being fully open. box. The aerator in the tap Clean and/or descale is scaled up or dirty. the aerator or replace the special aerator.
  • Page 8: Installation

    You ◦ SR 3: Part number 289591 can limit the inlet temperature by means of a central for MDO 35 and MDO 44 thermostatic valve. ◦ SR 5: Part number 270582 for MDO 57 Material losses * For use in thread M22/M24.
  • Page 9: Preparations

    Installation Preparations 10.2 Installation options » Flush the water line thoroughly. 10.2.1 Undersink installation, non-pressurised, with Water installation non-pressurised tap A safety valve is not required. Taps » Use suitable taps (see chapter „Appliance descripti- on / Accessories“). Note Fitting the special aerator supplied provides an op- timum water jet.
  • Page 10 Installation    » Use the appliance back panel as a drilling template. » Undo the cover fixing screws by two turns. » Secure the appliance back panel to the wall with sui- table rawl plugs and screws. » Undo the snap fastener using a screwdriver. »...
  • Page 11 Installation 10.2.2 Oversink installation, non-pressurised, with  non-pressurised tap   » Route the power cable through the cable entry in the back panel. » Hook in the appliance cover with the heater at the bottom. » Click the heater into place using the snap fastener. »...
  • Page 12: Commissioning

    DANGER Electrocution The appliances are delivered with a power cable » Fill the appliance by running the tap several times (MDO 35 with plug). until the pipework and appliance are free of air. Connection to a permanent power supply is pos- »...
  • Page 13: Shutting Down

    Installation 14. Maintenance 11.3 Recommissioning Material losses DANGER Electrocution Following an interruption of the water supply, recom- Before any work on the appliance, disconnect all mission the appliance by carrying out the following poles from the power supply. steps, in order to prevent irreparable damage to the bare wire heating system.
  • Page 14: Specification

    Installation 14.2 Cleaning the strainer 14.4 Appliance storage You can clean the fitted strainer after removing the cold » Store the dismantled appliance in a room free from water supply pipe. the risk of frost, as water residues remaining inside the appliance can freeze and cause damage.
  • Page 15 Installation 15.2 Wiring diagram 15.3 Increasing the temperature At 230 V, the following water temperature increases result: 15.2.1 MDO 35-57 45,0 1/N/PE ~ 200-240 V 42,5 40,0 37,5 35,0 32,5 30,0 27,5 25,0 22,5 20,0 X Flow rate in l/min Y Temperature increase in K 1 3.5 kW - 230 V...
  • Page 16 An outlet temperature of 50 °C can be achieved with the lowest possible flow rate and the following cold water inlet temperatures: ◦ MDO 35 > 18 °C ◦ MDO 44 > 21 °C ◦ MDO 57 > 22 °C 15.4 Application areas...
  • Page 17 Installation 15.6 Energy consumption data The product data complies with EU regulations relating to the Directive on the ecodesign of energy related pro- ducts (ErP). MDO 35 MDO 44 MDO 57 222117 222118 222119 Manufacturer Zanker Haustechnik Zanker Haustechnik Zanker Haustechnik...
  • Page 18 Installation MDO 35 MDO 44 MDO 57 Connections Water connection G 3/8 A G 3/8 A G 3/8 A Application limits Max. permissible pressure Values Max. permissible inlet temperature °C l/min >1.6 >2.0 >2.6 Pressure drop at flow rate 0.05 0.06...
  • Page 19 Installation | Guaratee | Environment and recycling MDO 35 MDO 44 MDO 57 Weights Weight Note The appliance conforms to IEC 61000-3-12. Guarantee The guarantee conditions of our German companies do not apply to appliances acquired outside of Germany. In countries where our subsidiaries sell our products a guarantee can only be issued by those subsidiaries.
  • Page 20 4 < A M H C M N = j b d g d f > ZANKER is a registered trademark used under license from AB Electrolux (publ). Irrtum und technische Änderungen vorbehalten! | Subject to errors and technical changes! | Sous réserve d‘erreurs et de modifications techniques! | Onder voorbehoud van vergissingen en technische wijzigingen! | Salvo error o modificación técnica! | Rätt till misstag...

This manual is also suitable for:

Mdo 44Mdo 57

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