Vents Micra 150 E User Manual
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Vents Micra 150 E User Manual

Air handling unit with heat recovery
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User Manual
Micra 150 E
Air handling unit
with heat recovery

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Summary of Contents for Vents Micra 150 E

  • Page 1 User Manual Micra 150 E Air handling unit with heat recovery...

  • Page 2: Table Of Contents

    Micra 150 E CONTENT Introduction Delivery set Structural designation key Technical data Safety requirements Structure and operating logic Mounting and set-up Connection to power mains Unit control Maintenance Fault handling Storage and transportation rules Manufacturer’s warranty Acceptance certificate Electrical connection certificate...

  • Page 3: Introduction

    The present user manual consisting of technical details, operating instructions and technical specification covers the installation of the MICRA 150 E air handling unit with heat recovery, VENTS series (hereinafter referred as the unit). The unit is designed to save thermal energy by means of heat recovery and is one of the energy saving components used in buildings and premises.

  • Page 4: Safety Requirements

    Micra 150 E 122,5 122,5 Fig. 1. Unit overall and connecting dimensions Table. 1. Technical parameters of the unit Type Микра 150 Э Unit voltage 50 Hz [V] 1 ~ 230 Max. fan power [W] Electric heater power [W] Electric heater current [A]...

  • Page 5: Structure And Operating Logic

    RESTRICTIONS! • DO NOT OpERATE THE UNIT bEYOND THE SpECIfIED TEMpERATURE RANgE OR IN AN AggRESSIVE AND ExpLOSIVE MEDIUM! • DO NOT CONNECT CLOTHES DRYERS OR SIMILAR EqUIpMENT TO THE VENTILATION SYSTEM! • DO NOT OpERATE THE UNIT IN THE AIR AND DUST MIxTURE MEDIUM! STRUCTURE AND OpERATINg LOgIC The unit operating principle is as follows (fig.

  • Page 6: Mounting And Set-Up

    Micra 150 E MOUNTINg AND SET-Up Mount the unit to provide enough access for maintenance or repair operations. The wall for mounting must have even surface. Any surface irregularities will lead to unit casing skew and may prevent the unit from operating properly. The minimum distances from the unit to the mounting surfaces are shown in fig.
  • Page 7 Fig. 5. Unit mounting with the master plate TWO Ø 125 MM AIR DUCTS FOUR DOWELS WITH A SCREW (INCLUDED INTO OUTER BOX DELIVERY FOUR DOWELS WITH A SCREW SET) UNIT OUTER BOX Fig. 6. Unit mounting...

  • Page 8: Connection To Power Mains

    Micra 150 E CONNECTION TO pOwER MAINS DISCONNECT THE UNIT fROM THE pOwER MAINS pRIOR TO ANY OpERATIONS. THE UNIT MUST bE pLUggED INTO A pROpERLY INSTALLED pOwER SOCKET wITH AN EARTHED TERMINAL. THE RATED ELECTRICAL pARAMETERS Of THE UNIT ARE SHOwN ON THE RATINg pLATE.
  • Page 9 The unit is controlled from the control panel as well as from the remote controller, fig. 8. Turning unit ON/Off To turn the unit ON/OFF: from the control panel: press the button Turning unit ON/OFF from the remote controller: press the button Turning unit ON/OFF The display shows the following indications as the unit is turned off, fig.
  • Page 10 Micra 150 E wARNINg! If THE HEATER IS ON, THE UNIT CAN bE TURNED Off ONLY AfTER 20 SECONDS AfTER TURN-Off COMMAND TO ENSURE THE HEATER COOLINg. IN THIS CASE THE INDICATOR IS DISpLAYED. Timer. The timer is designed to switch the fans to maximum speed with subsequent automatic reset to a previous speed after set time period, from 20 to 60 minutes.
  • Page 11 To reset the unit to the factory settings, enter the fan speed setup mode, synchronously press and hold the buttons for 3 seconds. Factory fan speed settings: low speed — 40 % medium speed — 70 % high speed — 100 % Fig.
  • Page 12 Micra 150 E Time-scheduled operation setup. Each weekday has four entries that determine the fan switching to the set fan speed, turning the heater on or off. To enter the time-scheduled operation setup mode, turn the unit off with the button...
  • Page 13 Alarms. In case of alarm the unit is turned off and the control panel display the alarm indicators, fig. 15. The possible alarms are listed in the table Temperature sensor alarm Condensate drain pan is full Freeze protection sensor breakout Fig.

  • Page 14: Maintenance

    Micra 150 E MAINTENANCE The unit requires maintenance works 3-4 times per year. Maintenance includes regular cleaning and the following operations: filter maintenance (3-4 timed per year). Dirty filters increase air resistance in the system and reduce supply air volume. The filters require cleaning as they get clogged, but at least once in 3-4 months.

  • Page 15: Fault Handling

    fAULT HANDLINg possible faults and fault handling problem possible reasons fault handling Make sure the power supply line is connected The fans do not get started No power supply. correctly, otherwise troubleshoot the connection error. The extract filter is soiled. Clean or replace the extract filter.

  • Page 16: Acceptance Certificate

    Date of sale _____________________________ ELECTRICAL CONNECTION CERTIfICATE This is to certify that the air handling unit with heat recovery Micra 150 E has been connected to power mains pursuant to the requirements stated in the present user’s manual by a qualified technician:...
  • Page 17 2013 V73-1EN-04...

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