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MICRA 80 A3

MICRA 80 A4

Energy recovery

air handling unit

USER’S MANUAL

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Summary of Contents for MICRA 80 A3

Page 1: ...MICRA 80 A3 MICRA 80 A4 Energy recovery air handling unit USER S MANUAL ...

Page 2: ...a 6 Unit design and operating principle 7 Mounting and set up 8 Connection to power mains 10 Unit control 10 Technical maintenance 11 Troubleshooting 12 Storage and transportation regulations 12 Manufacturer s warranty 13 Acceptance certificate 14 Seller information 14 Installation certificate 14 Warranty card 15 CONTENTS ...

Page 3: ...vice life of the unit While transferring the unit control the user s manual must be turned over to the receiving operator Symbol legend UNIT MOUNTING SAFETY PRECAUTIONS WARNING DO NOT Disconnect the unit from power mains prior to any installation or repair operations The unit must be grounded The unit must not be operated outside the temperature range stated in the user s manual and in aggressive ...

Page 4: ...d do not put any objects on it OFF ON Disconnect the unit from power mains prior to any technical maintenance Do not let children operate the unit Do not damage the power cable while operating the unit Do not put any foreign objects on the power cable Keep combustible gases and inflammable products away of the unit Do not open the operating unit When the unit generates unusual sounds odour or emit...

Page 5: ...ated for continuous operation Transported air must not contain any flammable or explosive mixtures evaporation of chemicals sticky substances fibrous materials coarse dust soot and oil particles or environments favourable for the formation of hazardous substances toxic substances dust pathogenic germs THE UNIT MAY NOT BE OPERATED BY CHILDREN OR PERSONS WITH REDUCED PHYSICAL MENTAL OR SENSORY CAPAC...

Page 6: ...ightly different from those ones described in this manual TECHNICAL DATA 374 270 220 630 125 125 OVERALL DIMENSIONS OF THE UNIT MM UNIT TECHNICAL DATA Speed 1 2 3 Voltage V 50 Hz 1 230 Power W 25 35 57 Total unit current A 0 15 0 2 0 34 Air capacity m3 h 40 60 80 Noise level dBA 24 32 41 Transported air temperature C from 25 up to 50 Casing material painted steel Insulation 15 mm penofol type C Fi...

Page 7: ... is no freezing danger the unit reverts to the standard operation mode The unit has the following operating principle Warm stale extract air from the room flows to the unit where it is filtered then air flows through the heat exchanger and is exhausted outside by the extract fan Clean cold air from outside is moved to the supply filter Then filtered air flows through the heat exchanger and is move...

Page 8: ...the air duct with a mounting foam Cable exit from the unit CARDBOARD MASTER PLATE FOR HOLE MARKING MM UNIT MOUNTING Unit mounting sequence 1 Fix the master plate included in the scope of delivery to the wall at required level using adhesive tape 2 Use a master plate to mark two Ø 150 mm holes for the air ducts and four Ø 8 mm holes for the dowels 3 Remove the master plate and drill through holes f...

Page 9: ...e not included in the scope of delivery and are available separately 8 Install a Ø 125 mm outer ventilation hood on the outer wall side to prevent ingress of large foreign objects into the air ducts The outer hood is not included in the scope of delivery and is available separately 4 Using adhesive tape fix the master plate back in place 5 Install the air ducts into the master plate holes and seal...

Page 10: ... The control panels are located on the unit back panel The A3 A4 control panel is included in the scope of delivery UNIT CONTROL VIA THE A3 CONTROL PANEL UNIT CONTROL VIA THE A4 CONTROL PANEL To activate a required unit speed rotate the speed knob clockwise and select one of three speed settings 1 first speed 2 second speed 3 third speed To turn the unit off rotate the speed knob counter clockwise...

Page 11: ...f heat exchanger removal 1 Lift the service panel latches 2 Open or remove the panel carefully supporting it with the hand Remove the panel with care 3 Remove the heat exchanger 1 2 3 4 3 Fan inspection once per year Even in case of regular maintenance of the filters some dust may accumulate inside the fans and reduce the fan performance and supply air flow Clean the fans with a soft cloth or brus...

Page 12: ...ct filter is soiled Clean or replace the extract filter The heat exchanger is frozen Check the heat exchanger condition Turn the unit off if required and restart it when freezing danger is past Noise vibration The impeller s is soiled Clean the impeller s The fan or casing screw connection is loose Tighten the screw connection of the fans or the casing against stop No anti vibration connectors Ins...

Page 13: ...tive details stated on the unit packing and in the user s manual user s failure to ensure timely technical maintenance of the unit external damage to the casing excluding external modifications of the unit as required for its installation and the internal components of the unit alteration of the unit design or engineering changes of the unit replacement and use of the unit assemblies parts and com...

Page 14: ...electromagnetic compatibility This certificate is issued following test carried out on samples of the product referred to above Quality Inspector s Stamp This is to certify delivery of the complete unit with the user s manual Customer s Signature The MICRA 80 energy recovery air handling unit has been connected to power mains pursuant to the requirements stated in the present user s manual Company...

Page 15: ...____________________________________________________________ ___________________________________________________________________________________________________________ ___________________________________________________________________________________________________________ ___________________________________________________________________________________________________________ _______________...

Page 16: ...V104EN 02 ...

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