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Ensy AHU-300 HV User Manual And Installation Manual
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Ensy AHU-300 HV User Manual And Installation Manual

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User manual and
Installation Guide
AHU-300 HV
AHU-300 HH

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Summary of Contents for Ensy AHU-300 HV

  • Page 1 User manual and Installation Guide AHU-300 HV AHU-300 HH...
  • Page 2 393870-2 Rev 0: 11.07.2018 http://www.ensy.no Page 1 We reserve the right to change technical data without notice.
  • Page 3 393870-2 Rev 0: 11.07.2018 User manual. Page 1 to 13 (Front page and pictures on pages 1-5 shows AHU-300 HV) To open the front hatch you will find a key for the quarter turn latches in the folder together with the following documents.
  • Page 4 The safety wire must be reinstalled before the hatch closes. To close, after putting the hatch back on place, turn the latches the opposite way. You may use some pressure towards the hatch to close it. http://www.ensy.no Page 3 We reserve the right to change technical data without notice.
  • Page 5 If you have a second external sensor that means you need to adjust that one from its settings. Replace the cover and / or plug after finish adjusting. http://www.ensy.no Page 4 We reserve the right to change technical data without notice.
  • Page 6 Should than be extracted without use of any tools. To guarantee optimal properties of the ventilation unit, use the original filters from EnSy. The use of spurious filters will limit the warranty on the product Ensy art number for filter set is: 011460860-2 FILTERSETT ENSY AHU 300 Himling.
  • Page 7 Disconnect the 3-poled plug , and then unscrew those four “safety” screws that holding the rotor exchanger in place. (Sketch shows AHU-300 HH, but the princip is the same for AHU-300 HV) Can be pulled out of the ventilation unit without the need for any tools.
  • Page 8 OFF MIN NORM or MAX signal output. Temperature set point, 15 - 21 °C Reheating coil – (here refers active element) Rotary exchanger Indicator - (here refers active rotary wheel) http://www.ensy.no Page 7 We reserve the right to change technical data without notice.
  • Page 9 This picture shows 10 min forcing time, but (To see if heating coil is connected or not activated. disconnected, see 4.5.1.1 Heater) To activate the fan boost use control button 4. http://www.ensy.no Page 8 We reserve the right to change technical data without notice.
  • Page 10 Also for the filter alarm See 4.5.1.10 selection of the displays. function it is needed. http://www.ensy.no Page 9 We reserve the right to change technical data without notice.
  • Page 11 It do not help to update software. Then press button 3 for OK 4.5.1 http://www.ensy.no Page 10 We reserve the right to change technical data without notice.
  • Page 12 Off. Press + to activate (On). Use button 4 to change setting for 2°C. Press + to change to to 3°C, if wanted. 4.5.1.3 Fan control Factory settings for AHU-300 HV and HH you can see in next picture. http://www.ensy.no Page 11...
  • Page 13 4.5.1.7 Absent Menu for setting the desired values by activating away / home function. http://www.ensy.no Page 12 We reserve the right to change technical data without notice.
  • Page 14 Press enter button the heater will not engage until the speed of the supply air fan has passed 250 r/min, in Defrost mode OFF from factory. normal operation). http://www.ensy.no Page 13 We reserve the right to change technical data without notice.
  • Page 15 It does not matter which of the control panels that are called Display 1 or Display 2. http://www.ensy.no Page 14 We reserve the right to change technical data without notice.

  • Page 16: Mounting Instructions

    300 HV and HH. AHU-300 HV and HH is designed for heat recovery with air volumes of up to 220 m³ / h. The energy from the exhaust air is transferred to supply air through the rotary heat exchanger where the air streams pass each other without making contact.
  • Page 17 Extract air from room Exhaust air Supply air to room Cooker hood Fresh air from outside (Sketch shows AHU-300 HV) 2.1 Brackets and vibration gasket Make sure that the gasket is placed on both brackets. http://www.ensy.no Page 16 We reserve the right to change technical data without notice.
  • Page 18 Then lift up the unit in correct position and make sure there are no contact between parts on unit and building construction. Then the second bracket can be placed in the other end of the unit. http://www.ensy.no Page 17 We reserve the right to change technical data without notice.
  • Page 19 The unit can also be placed on a wall. You then need the use of a separate wall bracket. This do not follow the unit and has to be ordered separate. (Ensy Art no: 01008045-2) To avoid vibration from the unit towards building constructions it here is important that there are placed 5 mm vibration damper on the back of the unit.
  • Page 20 Lift the unit into position. Use a rubber cushioning, 4-6 mm thick, between washers and mounting brackets. Then adjust with the nuts so that the unit is in level. http://www.ensy.no Page 19 We reserve the right to change technical data without notice.
  • Page 21 393870-2 Rev 0: 11.07.2018 Dimensions AHU-300 HH All ducts are Ø160 except the one for cooker hood that is Ø125 mm. http://www.ensy.no Page 20 We reserve the right to change technical data without notice.
  • Page 22 393870-2 Rev 0: 11.07.2018 Dimensions AHU-300 HV All ducts are Ø160 except the one for cooker hood that is Ø125 mm. http://www.ensy.no Page 21 We reserve the right to change technical data without notice.

  • Page 23: Technical Data

    Extra control panel, desire more control points. Including 10 meters signal cable (Art. no: 0100051-2) Wireless pulse switch. (Art. no: 0100052-2) Suspension bracket for wall. (Art: 01008045-2) Look at page 17. http://www.ensy.no Page 22 We reserve the right to change technical data without notice.
  • Page 24 Can also be placed near the with piping from bathroom for easy operation by forced cooker hood through ventilation (max airflow) the outer wall. http://www.ensy.no Page 23 We reserve the right to change technical data without notice.

  • Page 25: Electrical Connections

    3. Connections 3.1 Electrical connections AHU-300 HV and HH is supplied with approximately 1.7 m cable and plug for 10A / 230V outlet. The control panel is delivered together with the unit complete with signal cable, length 10m. The signal cable to the control panel must have at least 10 cm distance to high voltage cables.

  • Page 26: Duct Connections

    / exhaust from traffic etc. The return of the exhaust air should always be in good distance from fresh air intakes, close windows, etc http://www.ensy.no Page 25 We reserve the right to change technical data without notice.
  • Page 27 Location of the exhaust grid / roof cowl must also meet current building conditions, as well as any requirements of local building authorities. All inlet and outlet of the unit must be connected to the piping. http://www.ensy.no Page 26 We reserve the right to change technical data without notice.

  • Page 28: Sound Reduction

    Flexible ducts can be used for adjustments between the unit and roof cowl / fresh air inlet. Alternatively, the flexible silencers used (remember requirements for outdoor sound level). http://www.ensy.no Page 27 We reserve the right to change technical data without notice.
  • Page 29 Proper performance of the unit connection is especially important. Similarly, isolate all other ducts for cold and uninsulated room. In areas with extremely low winter temperatures, additional insulation must be used. Total insulation thickness must be at least 100 mm. http://www.ensy.no Page 28 We reserve the right to change technical data without notice.
  • Page 30 Balancing scheme (diagram) intended by design, or alternatively by balancing acc. flow measurements with equipment specifically designed for this. Supply air diffusor Exhaust louver http://www.ensy.no Page 29 We reserve the right to change technical data without notice.
  • Page 31 393870-2 Rev 0: 11.07.2018 5. Alarms Alarms on Ensy AHU units Critical alarms. Red flashing lights in the control panel Description of what Alarm Possible causes Reset of alarm will happend Motor protection EV and RO is Supply Absence of signal from turnined off.
  • Page 32 For more info about alarms and troubleshooting, visit our web site Ensy.no/Service and maintenance/ Alarms on AHU units troubleshooting If the fans continuing to run when you want to reset an alarm by setting the fans into «OFF» mode then the reason for this is that the "Weekly schedule" is activated.
  • Page 33 393870-2 Rev 0: 11.07.2018 Notes: ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ http://www.ensy.no Page 32 We reserve the right to change technical data without notice.
  • Page 34 393870-2 Rev 0: 11.07.2018 Notes: ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ http://www.ensy.no Page 33 We reserve the right to change technical data without notice.
  • Page 35 393870-2 Rev 0: 11.07.2018 Notes: ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ http://www.ensy.no Page 34 We reserve the right to change technical data without notice.
  • Page 36 Ensy AS Mohagasvingen 1 http://www.ensy.no N-2770 JAREN http://www.ensy.no Page 35 We reserve the right to change technical data without notice.

This manual is also suitable for:

Ahu-300 hh