ZANKER MDO 35, Operation & Installation Manual

Page 1: ...Operation and installation Hydraulically controlled open small instantaneous water heater with bare wire heating system MDO 35 MDO 44 MDO 57 ...

Page 2: ...ENT AND RECYCLING SPECIAL INFORMATION The appliance may be used by children aged 3 and up and persons with re duced physical sensory or mental capa bilities or a lack of experience and know how provided that they are supervised or they have been instructed on how to use the appliance safely and have un derstood the resulting risks Children must never play with the appliance Chil dren must never cl...

Page 3: ... 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 Secure the appliance as described in chapter Installation Installation Observe the maximum permissible pres sure see chapter Specification Data table The specific water resistivity of the mains water supply must not be u...

Page 4: ...may result from failure to observe the safety instruc tions Steps to prevent the risk are listed 1 1 2 Symbols type of risk Symbol Type of risk Injury Electrocution Burns burns scalding 1 1 3 Keywords KEYWORD Meaning DANGER Failure to observe this information will result in seri ous injury or death WARNING Failure to observe this information may result in seri ous injury or death CAUTION Failure t...

Page 5: ...uctions and of instructions for any accessories used is also part of the correct use of this appliance 2 2 General safety instructions DANGER Scalding During operation the tap can reach temperatures in excess of 50 C There is a risk of scalding at outlet temperatures in excess of 43 C WARNING Injury The appliance may be used by children aged 3 and up and persons with reduced physical sensory or me...

Page 6: ...itting the special aerator supplied provides an optimum water jet 4 Settings The appliance heating system switches on automatically as soon as you open the DHW valve at the tap or activate the sensor of a sensor tap The water is heated The water temperature can be adjusted at the tap For the start volume see chapter Specification Data table On Increasing the temperature Reduce the flow rate at the...

Page 7: ...tap is scaled up or dirty Clean and or descale the aerator or replace the special aerator The water supply has been interrupted Vent the appliance and the cold water inlet line see chapter Settings If you cannot remedy the fault notify your qualified con tractor To facilitate and speed up your request provide the serial number from the type plate 000000 0000 000000 MDO Model 000000 E Nr F Nr 0000 ...

Page 8: ...lations Note Observe all applicable national and regional regula tions and instructions The specific electrical resistance of the water must not fall below that stated on the type plate In a linked water net work factor in the lowest electrical resistance of the water see chapter Specification Data table Your water sup ply utility will advise you of the specific electrical water resistance or cond...

Page 9: ...tap Ensure that the lateral fixing screws for the cover are al ways accessible The appliance is suitable for undersink installation water connections at the top and oversink installation water connections at the bottom DANGER Electrocution Protection rating IP25 is only ensured if the applian ce back panel is fitted Always fit the appliance back panel 10 2 Installation options 10 2 1Undersink inst...

Page 10: ...he appliance cover with the heater towards the front Using pliers break out the knock out for the power cable in the appliance cover Correct the contours with a file if necessary 26_02_05_0084 Use the appliance back panel as a drilling template Secure the appliance back panel to the wall with sui table rawl plugs and screws ...

Page 11: ...liance using a size 14 spanner Install the tap For this also observe the tap opera ting and installation instructions 10 2 2Oversink installation non pressurised with non pressurised tap 26_02_05_0081_ Tap installation Install the tap For this also observe the tap opera ting and installation instructions Material losses When making the connections counter the tor que on the appliance using a size ...

Page 12: ...king the connection to a standard safety socket in the case of a power cable with plug en sure that the socket is freely accessible after the appliance has been installed Material losses Take note of the type plate The specified voltage must match the mains voltage Connect the power cable as shown in the wiring dia gram see chapter Specification Wiring diagram 11 Commissioning 11 1 Initial start u...

Page 13: ...iance will not start despite the DHW valve being fully open The aerator in the tap is scaled up or dirty Clean and or descale the aerator or replace the special aerator The sieve in the cold water line is blocked Clean the sieve after shutting off the cold water inlet line The heater is faulty Check the resistance of the heating system and replace the appli ance if required 14 Maintenance DANGER E...

Page 14: ...ing pro perties of the appliance are checked by conducting a differential current test of the earth conductor cur rent leakage current to VDE 0701 0702 Fig C 3b 14 4 Appliance storage Store the dismantled appliance in a room free from the risk of frost as water residues remaining inside the appliance can freeze and cause damage 14 5 Replacing the power cable for the MDO 57 If replacing the cable f...

Page 15: ...increases result 1 4 1 8 2 2 2 6 3 0 3 4 20 0 22 5 25 0 27 5 30 0 32 5 35 0 37 5 40 0 42 5 45 0 3 2 1 84_02_02_0056 X Flow rate in l min Y Temperature increase in K 1 3 5 kW 230 V 2 4 4 kW 230 V 3 5 7 kW 230 V Example MDO 35 with 3 5 kW Flow rate l min 2 0 Increasing the temperature K 25 Cold water supply temperature C 12 Maximum possible outlet temperature C 37 ...

Page 16: ...nductivity see Data table Standard specifica tion at 15 C 20 C 25 C Spec re sistan ce ρ Spec conduc tivity σ Spec re sistan ce ρ Spec conduc tivity σ Spec re sistan ce ρ Spec conduc tivity σ Ωcm mS m μS cm Ωcm mS m μS cm Ωcm mS m μS cm 900 111 1111 800 125 1250 735 136 1361 1000 100 1000 890 112 1124 815 123 1227 1100 91 909 970 103 1031 895 112 1117 1200 83 833 1070 93 935 985 102 1015 1300 77 76...

Page 17: ... 2 200 2 200 Annual power consumption kWh 477 478 478 Sound power level dB A 15 15 15 Special information on measuring efficiency None None None 15 7 Data table MDO 35 MDO 44 MDO 57 222117 222118 222119 Electrical details Rated voltage V 220 230 240 220 230 240 220 230 240 Rated output kW 3 2 3 53 3 8 4 0 4 4 4 8 5 2 5 7 6 2 Rated current A 14 5 15 2 15 8 18 2 19 1 20 0 23 6 24 7 25 8 Fuse A 16 20...

Page 18: ...it at l min 2 2 2 8 4 3 DHW delivery l min 2 0 2 5 3 2 Δϑ at DHW delivery K 25 25 25 Hydraulic data Rated capacity l 0 1 0 1 0 1 Versions Oversink installation X X X Undersink installation X X X Open vented type X X X Protection class 1 1 1 Insulation block Plastic Plastic Plastic Heating system heat generator Bare wire Bare wire Bare wire Cap and back panel Plastic Plastic Plastic IP Rating IP25 ...

Page 19: ...cts a guarantee can only be issued by those subsidiaries Such guarantee is only grant ed if the subsidiary has issued its own terms of guarantee No other guarantee will be granted We shall not provide any guarantee for appliances acquired in countries where we have no subsidiary to sell our products This will not affect warranties issued by any importers Environment and recycling We would ask you ...

Page 20: ...56 56800 ersatzteile eht haustechnik de info eht haustechnik de www zanker haustechnik de EHT Haustechnik Adressen und Kontakte 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 wijziging...