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Technical Manual

Storage Electric Water Heaters - VLS

Date of issue: 29

th

July 2011

Updating date: 10

th

November 2011

Version: v_2-1

Because of continuing product improvements, Ariston Thermo reserves the right to change specifications without prior notice.

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Summary of Contents for ABS VLS Flat 100

Page 1: ... Electric Water Heaters VLS Date of issue 29th July 2011 Updating date 10th November 2011 Version v_2 1 Because of continuing product improvements Ariston Thermo reserves the right to change specifications without prior notice ...

Page 2: ...al stickers 2 Components 2 1 Packaging content 2 2 Tanks 2 3 Heating elements 2 4 Mg anode 2 5 Power board connections and probes 2 6 HMI 3 Working modes and additional functions 3 1 Main features by version 3 2 Programming 3 3 ECO 3 4 ECO PLUS 3 5 Anti bacteria 4 Troubleshooting and maintenance 4 1 Displayed faults 4 2 Malfunctioning 4 3 Routine maintenance ...

Page 3: ... save energy consumption and money expenses all in only 270 mm deep Available in Italy East Europe Iberian Peninsula Balkans North Africa VLS PREMIUM The TOP version fashion design and programmable comfort Characterized by the rotational LCD display on the soft touch HMI and by the front panel available in seven different colors this appliance is able to ensure the same performance and functioning...

Page 4: ...ating element HE1 1 500 W 230 V yes yes HE2 1 000 W 230 V yes yes Protection Mg anode 30 50 l n 2 22 x 110 n 2 22 x 110 Mg anode 80 100 l n 2 25 5 x 190 n 2 25 5 x 190 Safety valve 8 bar 8 bar Power cable ELCB no standard cable no standard cable Functions Anti bacteria disabled by default disabled by default ECO yes yes ECO PLUS no yes Programming no yes Markets Italy yes no East Europe yes yes Ib...

Page 5: ...5 1 3 Technical drawings VLS VLS PREMIUM 1 4 Product dimensions All the dimensions are measured in mm ...

Page 6: ...ally Warning In the horizontal installation rotate the appliance clockwise so that the water pipes are on the left cold inlet water pipe at the bottom Front panel assembly explanation sticker The PREMIUM versions could be personalized with seven different colours front panel The sticker explains how to do this assembly ...

Page 7: ...rder to reach the highest level of heat stratification and the lowest depth size Same tanks flange for all the range 5 bolts Same tanks diameter for all the range 220 mm Different length by capacity Spare parts of these items are not available 2 3 Heating elements HE1 HE2 All the range is equipped with two heating elements the HE1 red coloured closer to the hot water outlet pipe is used to ensure ...

Page 8: ...e Sensor Test Table ohmic resistance values as a function of temperature T C R kΩ T C R kΩ T C R kΩ T C R kΩ T C R kΩ T C R kΩ 40 195 7 10 42 5 20 12 1 50 4 2 80 1 7 110 0 8 35 148 2 5 33 9 25 10 0 55 3 5 85 1 5 115 0 7 30 113 3 0 27 2 30 8 3 60 3 0 90 1 3 120 0 6 25 87 6 5 22 0 35 6 9 65 2 6 95 1 1 125 0 5 20 68 2 10 17 9 40 5 8 70 2 2 100 1 0 15 53 6 15 14 7 45 4 9 75 1 9 105 0 9 ...

Page 9: ...eniune spare part as a function of the product capacity following logical schemes below FLAT 50 litres FLAT 80 litres FLAT 100 litres 2 6 HMI VLS Buttons ON OFF ECO Icons WAVES 40 C 50 C 60 C 70 C 80 C SHOWER READY VLS PREMIUM LCD display SET knob Buttons ON OFF MODE ECO Icons WAVES ...

Page 10: ...f water mixed at 40 C How to change the hot water set point MANUAL mode Turn the SET knob clockwise anticlockwise in order to increase decrease the set point 40 C 80 C the select set point value is shown flashing on the LCD display to confirm the displayed value press the SET knob Default settings Hot water set point 70 C Anti bacteria function deactivated ECO function deactivated In any setting p...

Page 11: ...disconnected by the power mains for a long period all the settings are stored into the appliance memory except for the local time which has to be set again when the product is switched on the appliance works in MANUAL mode until the local time is set again resuming all the stored settings 3 3 ECO The ECO function is a software program which automatically learns the consumption levels of the user h...

Page 12: ...witched off during the anti bacteria cycle the product shuts down and the function is disabled When the product is switched on again the function is active and able to resume its parameters After a disconnection by the power mains when the appliance is connected again the function is active and able to work as a first activation has been done by the user VLS How to activate deactivate the anti bac...

Page 13: ... into the HE1 sheath place it in the right position HE1 sensor s out of tune if the component is faulty values not in compliance with Sensor Test Table replace it 50 C 60 C 70 C 80 C and corresponding WAVES icons switched on High temperature into the inlet tank due to lack of water if the water heater is empty fill it HE2 probe incorrect positioning if the component is not entirely into the HE2 sh...

Page 14: ...ring if the blue power cable is disconnected damaged connect replace it faulty component if the ohmic resistance value between the HE2 fastons is not in compliance with the nominal value R 53 Ω replace it 60 C and corresponding WAVES icons switched on HE1 probe short open circuit due to bad placed or damaged wiring faulty component if the component is disconnected or faulty sensor s values not in ...

Page 15: ... the inlet tank due to HE2 probe incorrect positioning if the component is not entirely into the HE2 sheath place it in the right position HE2 sensor s out of tune if the component is faulty values not in compliance with Sensor Test Table replace it E22 HE2 functional relay stuck due to faulty component if a short circuit occurs between the HE2 power terminals on the PCB replace the PCB E25 High t...

Page 16: ...competent and skilled technical workers Info missing the button HMI or the LCD display is switched off Power missing to the appliance due to no power from mains could be check by the end user too if the home power network is not well working contact the power mains technical service power missing to the PCB could be check by the end user too if the appliance is switched off switch on it pressing t...

Page 17: ...ct appliance working mode settings low water temperature set point could be check by the end user too if the set point is not able to satisfy the end user comfort request adjust the set point occasional huge hot water amount could be check by the end user too if the end user tapping profile is not predictable deactivate the ECO function incorrect time band in PREMIUM versions could be check by the...

Page 18: ...ating element is widely covered by limestone clean it and if necessary install a proper softener upriver the safety valve to reduce water hardness Bad water quality Dust and dirt could be check by the end user too if the cold water has a bad quality because of dust and dirt presence contact the network technical service Pipes connection corrosion due to different materials matching if different me...

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