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KERS 50

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Heat recovery ventilation unit

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User & installation manual

© Ideal Clima

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Page 24 / 28

11.

EXTENSION DUCT FOR THICKER WALLS

In case the wall thickness is greater than maximum extensibility of the duct supplied with the unit, you can use
the accessory telescopic extension duct Kers (code VPKT04), which increases the length by up to 80 cm.
The extension is fitted on the supplied telescopic duct, taking care that the female extension fits on the male
duct. It's good practice to seal in this moment the small crack that is formed between the duct and extension to
prevent any moisture of the walls from infiltrating inside the device.

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Содержание KERS 50

Страница 1: ...KERS 50 SINGLE ROOM HEAT RECOVERY UNIT WITH REMOTE CONTROL 16 USER INSTALLATION MANUAL ...

Страница 2: ...ICAL EQUIPMENT 7 4 2 WIRING DIAGRAM 8 5 ON BOARD SWITCHES AND REMOTE CONTROL 9 5 1 ON BOARD SWITCHES 9 5 2 REMOTE CONTROL 10 5 3 DIP SWITCH SETTING 11 5 4 AIRTIGHT SEALING OF THE UNIT 13 6 TECHNICAL DATA 14 6 1 MAIN TECHNICAL DATA 14 6 2 ENERGY LABEL DATA 15 6 3 DIMENSIONS 15 7 AFTER SALES MAINTENANCE 16 7 1 TROUBLESHOOTING 16 7 2 ROUTINE MAINTENANCE 16 8 DISPOSAL OF THE UNIT 18 9 UNIT INSTALLATIO...

Страница 3: ...acturer indicating the serial number of the machine Pay attention to the following symbols Their function is to emphasize essential information like With reference to serious and dangerous situations that may occur with the use of the unit to ensure persons safety With reference to dangerous situations that may occur with the use of the unit to prevent damage to property and to the unit itself Wit...

Страница 4: ...ger readable replace them All operators must comply with the international regulations and of the destination country of the unit in order to avoid possible accidents The European Community has issued some guidelines concerning the safety and health of workers among which include the directives 89 391 CEE 89 686 CEE 89 654 CEE 89 655 CEE 89 656 EEC 86 188 EEC 92 58 EEC and 92 57 EEC that each empl...

Страница 5: ...nneling and without loss of heat by the emission of exhaust air Its use is recommended within the operating limits shown in this manual Place the unit in rooms where there is no danger of explosion corrosion fire and where there are vibrations and electromagnetic fields It is also forbidden to operate in a different way from that described or to neglect the illustrated safety tasks 1 6 GENERAL SAF...

Страница 6: ...RUCTURE AND OPERATING LOGIC The unit is composed of a ventilation unit a heat exchanger two filters an outer protection hood and an outdoor sound insulating duct The duct and the outer insulation can be cut according to the size of the wall The two filters and the ceramic core are inserted into the duct The filters purify the air and prevent dust or other bodies from entering the room or damaging ...

Страница 7: ... be placed in sync so as not to generate pressure imbalances in the environment The devices must be connected in series between them see section electrical connection so that when half of them works in extraction phase 1 the other half work in supply phase 2 By connecting them in series only one remote control which operates on the first device Master can control all the KERS installed in sync Als...

Страница 8: ...al The unit is built to work with AC single phase 230 V 50 Hz To power the device use copper cables with a section between 0 5 mm and 0 75 mm Place upstream a circuit breaker with a higher nominal current than required by the device see technical data table WIRING CONNECTION IN SERIES OF SEVERAL KERS max 10 To power the devices 230V single phase 50 Hz use used copper wires with a section between 0...

Страница 9: ...ximum of 10 units The first unit KERS master controls all the others The units must be set in a way that half of them begin their cycle in extraction and the other half in supply phase this way the rooms will not be subject to air pressure imbalances A series of dip switch located under the rubber end cap allows to set such phases See chapter setting DIP switch 5 ON BOARD SWITCHES AND REMOTE CONTR...

Страница 10: ...eplacement of filters the master unit LED will remain lit while the affected device LED will blink This LED goes off as soon as the filters will be replaced Alarm this LED if on indicates an internal fault in the device If multiple devices are connected in series and one of them has a failure the master device LED will remain on while the affected device LED will blink Master this LED if it is on ...

Страница 11: ...le the function press any of the three speed buttons Make sure the remote control is properly powered before the use charged batteries free and clean contacts The remote control should not be affected by interferences or external EMC noise The operating range depends on the external conditions the level of charge of the batteries and the distance from the unit 5 3 DIP SWITCH SETTING The operation ...

Страница 12: ...those rooms where there is no permanent occupation but that may have mold problems due to excessive moisture In this case you will get a ventilation focused on solving or preventing the problem with the least electricity consumption To enable this mode you must use the dip switch 3 4 5 by setting the humidity threshold The unit continuously measures the humidity of the air extracted from the envir...

Страница 13: ...peed The unit waits for 30 minutes before returning to the previously set speed 5 4 AIRTIGHT SEALING OF THE UNIT During periods of inactivity for example during holidays you can seal the device and avoid any possible draft gently press the front towards the wall Once closed the unit will turn off automatically To open the front panel gently pull it towards you acting on the handles that are locate...

Страница 14: ... 20 50 Electrical power consumption max speed W 5 2 Electrical Current max speed A 0 031 On board filters 2 Filter class EN 779 G3 F7 as optional Power V ph Hz 230 1 50 Protection IP 24 Table of flow rates and acoustic performance of Kers Recuperatore KERS 50 u m Speed III Air flow in supply extraction m3 h 50 Air exchange rate m3 h 25 Noise level at 1 m dB A 30 Noise level at 3 m dB A 21 Speed II...

Страница 15: ...5 Electric power input W 6 Sound power level dB A 45 Reference flow rate m3 s 0 04 Reference pressure difference Pa 0 Specific power input SPI W m3 h 0 28 Control typology Local demand control Maximum internal leakage rates 2 7 Maximum external leakage rates 2 7 Mixing rate of bidirectional units 1 Airflow sensitivity at 20 Pa and 20 Pa m3 h 0 41 The indoor outdoor air tightness m3 h 0 49 Internet...

Страница 16: ...er goes off A short circuit has produced an overload Turn off the unit and contact a service center 4 Vibrations and noise The fan is dirty Clean the fan 5 Vibrations and noise The screws of the case or of the outer cap are loose Tighten the screws of the unit and the outer cap Deformation of the motor unit the fan blades touch the duct Slightly loosen the screws 7 2 ROUTINE MAINTENANCE Disconnect...

Страница 17: ... dry The filters must be reinserted only when they are completely dry You may clean the filters with a vacuum cleaner The filter lifespan if properly maintained is about three years Ceramic exchanger cleaning Over time dust may build up on the ceramic core even with regular filters maintenance Clean also the ceramic heat exchanger to ensure high efficiency of energy recovery For this operation we ...

Страница 18: ...aimed to the transport company and recorded on the Delivery Note before signing it LIFTING AND TRANSPORT During unloading and positioning of the unit it is highly recommended to avoid abrupt or violent handling The handling should be performed carefully and gently avoiding to use as strengths points the unit components In all lifting operations make sure you have firmly anchored the unit in order ...

Страница 19: ...n When several KERS are installed in series see separate section it is necessary to allow for connecting wires between a KERS and the others as well as for the power wire The duct must be level with the inside wall maximum 3 mm overhang and should protrude from the outdoor wall for up to 10 mm Keep an inclination towards the outside between 2 and 3 to prevent possible condensation could from flow ...

Страница 20: ...s can go through this same hole When used in this step the power cord is hidden from view Alternatively the power cable may enter from fairlead on the underside of the fan but the wire remains in view Installation of the outdoor hood and cover hood Go outdoor and perform 4 holes at least 40 mm deep according to the distances shown in the figure Without removing the protective paper roll up and put...

Страница 21: ...allation Press simultaneously the two hooks on the sides lift the front of the indoor unit and remove the front plate Fix the rear part of the unit against the wall with the supplied screws Open the transparent cover to connect the DC power cable to the terminals according to the wiring electric diagram ...

Страница 22: ...must be directed upwards Then fix the wire with the protruding clamp and connect the socket connector to the circuit board Install the front panel taking care that the actuator pin completely retracted at the bottom to prevent any damage to it 9 5 FIRST START UP Kers will not start if the front panel is hermetically sealed Gently pull toward you to open it using the handle located on the top and b...

Страница 23: ...ERS 50 COPPER Warnings It may happen that during installation the grill falls outside Make sure that this possibility does not cause accidental damage to persons or things temporarily fencing off the outside area The metal hood and its cover supplied with the unit must not be used if you decide for flexible grids Flexible external grid installation Slightly bend the grid and slide it inside the du...

Страница 24: ...h the unit you can use the accessory telescopic extension duct Kers code VPKT04 which increases the length by up to 80 cm The extension is fitted on the supplied telescopic duct taking care that the female extension fits on the male duct It s good practice to seal in this moment the small crack that is formed between the duct and extension to prevent any moisture of the walls from infiltrating ins...

Страница 25: ...till entitled to the fulfillment of any obligation to the end user under the legislation in force 15 3 Performance warranty The warranty service implies at the discretion of Ideal Clima the replacement of the defective product In any case the manufacturing defects must be deemed such by Ideal Clima technical staff Parts replaced under warranty remain property of Ideal Clima and must be returned ba...

Страница 26: ...KERS 50 Heat recovery ventilation unit User installation manual Ideal Clima Page 26 28 ...

Страница 27: ...KERS 50 Heat recovery ventilation unit User installation manual Ideal Clima Page 27 28 ...

Страница 28: ... ventilation unit User installation manual Ideal Clima Page 28 28 IDEAL CLIMA s r l Via Magnolini 8 25135 BRESCIA Italy Tel 39 030 35 45 319 Fax 39 030 51 09 329 info idealclima eu www idealclima eu Version 8 0 Gennaio 2018 ...

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