Minotair BOREAL 12000 SERIES User Manual
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Minotair BOREAL 12000 SERIES User Manual

The multifunction air exchanger
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Serial Number:
Purchase date:
Authorized Reseller:
Reseller's Tel:
THE MULTIFUNCTION AIR EXCHANGER
BOREAL 12000 SERIES
PLEASE READ THIS MANUAL CAREFULLY
AND KEEP IT FOR FUTURE REFERENCE

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  • Page 1 Serial Number: Purchase date: Authorized Reseller: Reseller’s Tel: THE MULTIFUNCTION AIR EXCHANGER BOREAL 12000 SERIES PLEASE READ THIS MANUAL CAREFULLY AND KEEP IT FOR FUTURE REFERENCE...
  • Page 2 MINOTAIR offers superior recovery efficiency when compared to traditional Heat or Energy Recovery Ventilators. Not to mention that, unlike the MINOTAIR, none of these products can heat, cool or dehumidify by themselves. Only the MINOTAIR can claim to be truly multifunctional.

  • Page 3: Table Of Contents

    Personal Safety ............................16 Regulations ............................. 16 Device Inspection ..........................16 Choosing where to install the MINOTAIR ..................16 Choosing an Installation Method ......................17 Connection to a Forced Air Ventilation System – Simplified Method ......... 17 Connection to a Forced Air Ventilation System – Extraction at the Source ....... 18 Connection to an Independent System of Ventilation Ducts..........
  • Page 4 “Ventilation” settings screen (cont’d) ..................... 46 “Ventilation” settings screen (cont’d) ..................... 46 “Ventilation” settings screen (cont’d) ..................... 47 “Ventilation” settings screen (cont’d) ..................... 47 Adjusting Heating and Cooling Settings .................. 48 “Temperature” settings screen ......................48 © MINOTAIR Ventilation Inc. - www.minotair.com (BR12K-USER GUIDE-2016-009)
  • Page 5 Control Card ..............................65 Electrical Schematic ..........................66 Maintenance ..............................67 Limited Warranty ............................68 Limitations and Exclusions ......................... 68 Warranty Transfer ..........................68 Damage Claims ............................68 Other warranty rights .......................... 68 NOTES: ................................69 © MINOTAIR Ventilation Inc. - www.minotair.com (BR07K08K12K-2016-009)

  • Page 6: Safety Definitions

    Although care has been taken to prevent sharp edges on various parts, always be careful when handling the device from its edges. CAUTION: Construction and renovations. Before undertaking major painting or sanding projects, shut off ventilation to avoid clogging the air ducts and filters. © MINOTAIR Ventilation Inc. - www.minotair.com (BR12K-USER GUIDE-2016-009)

  • Page 7: Setting Expectations

    The following list is meant to clarify expectations following commissioning of the MINOTAIR in accordance with the instructions set forth in this guide. Keep in mind that the MINOTAIR should be installed and maintained in accordance with this manual to ensure optimal performance for many years.

  • Page 8: Device Overview

    Recovers the heat and moisture of showers to humidify indoor air when it is too dry, as required. Can also be connected to and control a central humidifier. Figure 1 – MINOTAIR – Acts on temperature, humidity level and air renewal. © MINOTAIR Ventilation Inc. - www.minotair.com...

  • Page 9: Main Components

    OMPONENTS Figure 2 – MINOTAIR assembly and components.  Insulated finished aluminum housing  Sensor – Defrost temperature with resistant baked-on powder paint.  MERV 8 (G4) prefilter – Exhaust side.  Bidirectional expansion valve.  Sensor – Indoor humidity and temperature ...

  • Page 10: External Overview

    XTERNAL VERVIEW The MINOTAIR’s housing is 100 % aluminum, which makes it lighter and easier to handle. Furthermore, aluminum is a long-term guaranty against corrosion which, otherwise, would end up weakening the housing structure since it is always in contact with humidity and condensates.

  • Page 11: Operating Modes

    PERATING ODES The MINOTAIR is the only system of its kind to combine a motorized damper with two constant airflow fans. The motorized damper can switch between two positions, which allow the MINOTAIR to function as either an air exchanger (ventilation) or a heat pump (recirculation).

  • Page 12: Heat Pump Mode (Recirculation)

    When comfort prevails over indoor air quality. Note that this mode does not allow any intake of fresh air, so it should not be used continuously. Figure 5 – Heat Pump Mode (Recirculation). © MINOTAIR Ventilation Inc. - www.minotair.com (BR12K-USER GUIDE-2016-009)

  • Page 13: Recirculation Mode Without Compressor

    Note that this mode does not allow any intake of fresh air, so it should not be used continuously. Figure 6 – Recirculation Mode without Compressor. © MINOTAIR Ventilation Inc. - www.minotair.com (BR07K08K12K-2016-009)

  • Page 14: Intermittent Mode

    If air becomes too dry in winter, lower the intermittency as needed. Figure 7 – Intermittent Mode 10, 20, 30 or 40 – with recirculation. Figure 8 – Intermittent Mode 10, 20, 30 or 40 – with heat pump recirculation. © MINOTAIR Ventilation Inc. - www.minotair.com (BR12K-USER GUIDE-2016-009)

  • Page 15: Smart Mode

    In other words, once the unit is set to your preferences, you will forget it's there. Figure 9 – Smart Mode. © MINOTAIR Ventilation Inc. - www.minotair.com (BR07K08K12K-2016-009)

  • Page 16: Installation Procedures

    Follow professional safety standards and all local regulations. EGULATIONS  WARNING! The MINOTAIR should be installed in accordance with the local building codes that are in effect. In absence of such requirements, it is advisable to check with local authorities having jurisdiction in your area.

  • Page 17: Choosing An Installation Method

     This method is only possible if the MINOTAIR can be installed in the same room where the forced-air system ventilator is located. ...

  • Page 18: Connection To A Forced Air Ventilation System - Extraction At The Source

    However, stale air and moisture will be extracted directly at the source through dedicated ducts to ensure better humidity management.  This option is only possible if the MINOTAIR can be installed in the same room where the forced-air system ventilator is located. ...

  • Page 19: Connection To An Independent System Of Ventilation Ducts

    1 m (3 ft) at the end of each supply branch. This will soundproof the air supply. Figure 12 – Connection to an independent system of ventilation ducts. (The two MINOTAIR center ports are swapped for more clarity in the drawing) © MINOTAIR Ventilation Inc. - www.minotair.com (BR07K08K12K-2016-009)

  • Page 20: Calculating Ventilation Airflow

    Total fresh air supply Your Your 1. Input this value into the microcontroller. answer answer > 90 > 40 2. The total exhaust airflow must be identical Table 1 – Airflow planning. © MINOTAIR Ventilation Inc. - www.minotair.com (BR12K-USER GUIDE-2016-009)

  • Page 21: Sizing Air Ducts

    Total fresh air supply Your Your answer answer 1. Input this value into the microcontroller. > 90 > 40 2. The total exhaust airflow must be identical Table 2 – Air ducts planning. © MINOTAIR Ventilation Inc. - www.minotair.com (BR07K08K12K-2016-009)
  • Page 22 If enough space is available, it is always preferable to choose main ducts of 8 in (200 mm) to use the MINOTAIR to its full. The diameter of the main ducts will then be required to be adjusted to “8in (200mm)” in the microcontroller’s ventilation menu.

  • Page 23: Basic Guidelines For Air Ducts

     Straight tees and elbows (without bends) should be avoided. Choose wye fittings and curved elbows for better flow and soundproofing. © MINOTAIR Ventilation Inc. - www.minotair.com (BR07K08K12K-2016-009)

  • Page 24: Insulating Air Ducts

    Possible causes mostly comprise the improper installation of ductwork. For example, the use of undersized conduits, crushed flexible conduits and their non- compliance with the minimum bend radius. © MINOTAIR Ventilation Inc. - www.minotair.com (BR12K-USER GUIDE-2016-009)

  • Page 25: Location Of Indoor Grilles

    Whenever possible, the slope of the conduits connecting to the outside hoods should have a slight slope towards the outside to drain out condensates that may form if the airflow passing through the conduits is very humid. © MINOTAIR Ventilation Inc. - www.minotair.com (BR07K08K12K-2016-009)

  • Page 26: Balancing The System

    Ensure you have set the controller with your house airflow setpoint calculated earlier, and set the MINOTAIR to "air exchanger" mode at high speed. This will double the airflow setpoint up to the maximum allowed by the unit.

  • Page 27: Securing The Minotair

     The device must be level after installation. Figure 13 – Option for mounting the MINOTAIR using the floor joists. © MINOTAIR Ventilation Inc. - www.minotair.com (BR07K08K12K-2016-009)

  • Page 28: Connecting The Condensate Drain

    The other end of the pipe must end its course in the floor drain or a condensate pump. Using a bucket is not recommended, because the MINOTAIR will fill it quickly on humid days, which will then cause spills on the floor.

  • Page 29: Connecting To Other Central Devices (Installation Options)

    80 cfm (40 l/s), in Air Exchanger mode. Verify that the static pressure reported by the MINOTAIR is greater than or equal to 0.1 inch of water column (25 Pa) (refer to the “ventilation” menu). If it is not (i.e., the pressure is equal to 0.0 inches of water column (0 Pa)), you will need to install a register key (Figure 10 and Figure 11) and adjust it until the static pressure indicates 0.1 inch of water column (25 Pa).

  • Page 30: Connecting To A 3 Kw Electric Coil (Installation Option)

    PTION  It is possible to connect a heat pump to the MINOTAIR. In this case, there must be a 120 VAC relay (not supplied) that will connect in parallel with the reversing valve (Terminal NO2 on the microcontroller) located inside the MINOTAIR which will then act as "O"...

  • Page 31: Connecting To A Bathroom Timer (Installation Option)

    Bathrooms can be equipped with timers to activate ventilation in air exchanger mode when needed.  The MINOTAIR timers can be turned on for periods of 10, 20 or 30 minutes. They can remain continuously turned on by simply pressing their button for 3 seconds. ...

  • Page 32: Installing The Wall Mount Control (Installation Option)

    NSTALLATION PTION  By default, the MINOTAIR comes with a digital control that is integrated in the microcontroller. However, it is possible to connect up to two wall mount digital controls per MINOTAIR unit for even more convenience. Figure 19 – Wall Mount Digital Control...

  • Page 33: Cable Configuration

    “MINO-CONTROL” jack located on top of the device. This will double the “MINO-CONTROL” jack so that each control can have its own cable. Figure 22 - Cable configuration for two wall mount digital controls © MINOTAIR Ventilation Inc. - www.minotair.com (BR07K08K12K-2016-009)

  • Page 34: Wall-Mounting

    Rest the electrical board B on the back piece A and fasten the parts together using the flush-head screws (supplied) made for plastic.  Finally, put back the small black plastic frame around the screen, and fit the snap- on cover C. Figure 23 – Wall-Mounting © MINOTAIR Ventilation Inc. - www.minotair.com (BR12K-USER GUIDE-2016-009)

  • Page 35: Connecting The Minotair

    MINOTAIR that can be used to cut power during repair or maintenance activities (Figure 24).  No other device can share the same circuit as the MINOTAIR. If a condensate pump is required, it must be connected to a different circuit. Figure 24 – Connecting the device.

  • Page 36: Digital Control Basics

    IGITAL ONTROL ASICS The MINOTAIR is controlled through a digital control featuring a backlit display and 6 buttons. The interface is designed around a house theme. CREEN Figure 25 – MINOTAIR digital control main screen Inside the house  Device switch {on ( ), off ( ...

  • Page 37: Digital Control Buttons

    Note that each alert is logged in the alert log. If there is more than one simultaneous alarm, they can be reviewed in the log one after the other using the U and D arrows. © MINOTAIR Ventilation Inc. - www.minotair.com (BR07K08K12K-2016-009)

  • Page 38: Explanation Of Symbols

    Winter Conditions Dehumidification Humidification 7-Day Program Night Setpoint Day Setpoint Away Setpoint Various Exception, Alarm or Compressor Defrost Bathroom Timer Self-Diagnostic Pause Table 3 – Animated symbols used for various MINOTAIR features. © MINOTAIR Ventilation Inc. - www.minotair.com (BR12K-USER GUIDE-2016-009)

  • Page 39: Adjusting Display Contrast

    EQUENCE Like most computers, every time you power on the MINOTAIR or after a power outage, the MINOTAIR initiates a boot sequence that lasts approximately 30 seconds. During this period, the digital control is not in operation and the screen may be blank or display messages like “No Link”.

  • Page 40: Turning The Device On And Off

    Push U to turn on the device. Ventilation will start and the navigation cursor will return to its default location (Figure 29). NOTE: The MINOTAIR does not display temperature or humidity when it is turned off. The MINOTAIR’s ventilation must be in operation for this information to show.

  • Page 41: Adjusting Indoor Temperature

    In this case, you must go to the "Temperature" submenu to change the setpoint since heating and cooling affect each other in automatic mode. Figure 31 – Adjusting the indoor temperature. © MINOTAIR Ventilation Inc. - www.minotair.com (BR07K08K12K-2016-009)

  • Page 42: Adjusting Indoor Relative Humidity

    Note that changing speed is not possible while in Heat Pump or Turbo-Cooling modes since the speed of these modes is automatically set to “High”. Figure 33 – Switching between high and low ventilation speed. © MINOTAIR Ventilation Inc. - www.minotair.com (BR12K-USER GUIDE-2016-009)

  • Page 43: Main Menu

    The MINOTAIR includes several settings that are accessible from the main menu screen. You can access the main menu by pressing the “Program” P button. 1. V ENTILATION ETTINGS Press the P button to display the main menu. Then, using the U and D arrows, navigate to the “Ventilation”...
  • Page 44 Ventilation speed will display in cubic feet per minute. o l/s. Ventilation speed will display in litres per second. Use the flow rate calculated in Table 1 – Airflow planning. © MINOTAIR Ventilation Inc. - www.minotair.com (BR12K-USER GUIDE-2016-009)

  • Page 45: Ventilation Settings Screen Contd

    NOTE: When winter condition 1.6 is satisfied or 1.7 is set to YES, the minimum of 10 minutes of fresh air per hour of the Smart mode is no longer enforced, the time that indoor humidity rises back to its setpoint. © MINOTAIR Ventilation Inc. - www.minotair.com (BR07K08K12K-2016-009)

  • Page 46: Ventilation" Settings Screen (Cont'd)

    90 to 110 %. Set the exhaust fan airflow to make it lower or higher than the intake fan airflow in order to balance the airflows with greater accuracy. See "Balancing the MINOTAIR" for more information. NOTE: This is an advanced setting and only ventilation professionals equipped with proper measuring equipment should adjust it.

  • Page 47: Ventilation" Settings Screen (Cont'd)

    To do this, run the forced-air system ventilator at full speed while running the MINOTAIR at its lowest speed, i.e. 80 cfm (40 l/s), and verify that the static pressure reported by the MINOTAIR is greater than or equal to 0.1 W.C. (25 Pa).

  • Page 48: Adjusting Heating And Cooling Settings

    "U D" making it possible to increase or decrease the setpoint using the U and D buttons. After 5 seconds of inactivity or pressing a second time on R disables the arrows. © MINOTAIR Ventilation Inc. - www.minotair.com (BR12K-USER GUIDE-2016-009)

  • Page 49: Temperature Settings Screen Contd

    2.4.2 Figure 44 – Examples of options to adjust central heating units. The MINOTAIR can control central heating units such as electric and gas furnaces and heat pumps as long as they can be controlled through a 24 VAC signal.

  • Page 50: Temperature" Settings Screen (Cont'd)

    NO. This MINOTAIR does not control any central cooling unit. o YES. This MINOTAIR will send a signal to the “Y” cooling terminal on the terminal board and will let the central unit manage its own speed switching, if applicable.

  • Page 51: Temperature Settings Screen Contd

    Figure 47 – Examples of options to adjust outside temperature calibration. Figure 48 – Examples of options to calibrate the inside temperature sensor. The MINOTAIR uses temperature sensors to measure outside and indoor temperatures. However, since the sensors are integrated into the device, their temperature readings may...

  • Page 52: Adjusting Indoor Humidity Settings

    In this case, change the setpoint as shown in menu 3.1 above. o NO. The humidity setpoint will remain unchanged if outside air falls below freezing point. © MINOTAIR Ventilation Inc. - www.minotair.com (BR12K-USER GUIDE-2016-009)

  • Page 53: Humidity" Settings Screen (Cont'd)

    Note that a high sensitivity may cause false detections. If so, opt for normal sensitivity. © MINOTAIR Ventilation Inc. - www.minotair.com (BR07K08K12K-2016-009)

  • Page 54: Humidity" Settings Screen (Cont'd)

    3.4.2 Figure 52 - Examples of options to adjust humidifier settings. 3.4 This MINOTAIR controls a humidifier? o YES. This MINOTAIR controls a humidifier and will call for humidity when needed. o NO. The MINOTAIR does not control any humidifier.

  • Page 55: Adjusting Program Settings

    "U D" making it possible to increase or decrease the setpoint using the U and D buttons. After 5 seconds of inactivity or pressing a second time on R disables the arrows. © MINOTAIR Ventilation Inc. - www.minotair.com (BR07K08K12K-2016-009)

  • Page 56: Program" Settings Screen (Cont'd)

    SETTINGS SCREEN CONT The daily profile screen enables you to preprogram the MINOTAIR to operate according to a predefined arrangement depending on the day of the week and the time of day. Figure 55 - Examples of options to adjust daily profile settings.

  • Page 57: Adjusting Filter Settings

    Figure 57 – Examples of options to adjust filter settings. 5.1 Prefilters. The MINOTAIR must be equipped with manufacturer-approved prefilters to ensure proper functioning. Two prefilters protect the MINOTAIR from dust, which can quickly clog its coils and fan blades. These prefilters must be replaced every three months.

  • Page 58: Other Settings

    This procedure takes about 3 minutes and will then allow for filter removal without difficulty. 5.2 HEPA Filter. You can choose to equip the MINOTAIR with a High Efficiency MERV 14 (F8) filter, which can eliminate up to 95% of dust and micro-organisms as small as 0.3µm.

  • Page 59: Clock" Screen 1

    12hr. Displays the time in 12hr format (AM and PM).  Account for daylight saving time? o YES. The MINOTAIR will automatically adjust the time at 2 am on the second Sunday of March, and again at 2 am on the first Sunday of November.

  • Page 60: System Info

    Figure 64 – Examples of information available in the “System info – Software version” screen.  Ver. : Shows the software version of the microcontroller.  Bios : Shows the bios version of the microcontroller.  Boot : Shows the boot version of the microcontroller. © MINOTAIR Ventilation Inc. - www.minotair.com (BR12K-USER GUIDE-2016-009)

  • Page 61: Alarm Descriptions

    “change filters” indicator. NOTE: During an alarm, the MINOTAIR will try to solve the problem by itself. If it succeeds, it will automatically reset the alarm and add it to the log. If it is not successful after a maximum of five attempts, it will display the alarm to bring it to the attention of the owner.
  • Page 62  Clogged expansion valve. 4. Call a qualified technician if the  Defective or disconnected problem persists. exhaust fan.  Refrigerant starting to leak.  Defective or disconnected low- pressure valve. © MINOTAIR Ventilation Inc. - www.minotair.com (BR12K-USER GUIDE-2016-009)
  • Page 63 2. The microcontroller will default to a Possible cause: 40% indoor humidity. 3. Manually set indoor humidity setpoint  Defective or disconnected B6 according to your current indoor sensor. humidity level needs. © MINOTAIR Ventilation Inc. - www.minotair.com (BR07K08K12K-2016-009)
  • Page 64 1. This is a problem which requires the intervention of a qualified technician. Possible cause: 2. Terminal Y3 controls Fan A (left) while terminal Y4 controls Fan B (right).  Fans A and B are swapped. © MINOTAIR Ventilation Inc. - www.minotair.com (BR12K-USER GUIDE-2016-009)

  • Page 65: Control Card

    ONTROL Figure 66 – Control Card Layout. © MINOTAIR Ventilation Inc. - www.minotair.com (BR07K08K12K-2016-009)

  • Page 66: Electrical Schematic

    LECTRICAL CHEMATIC Figure 67 – Electrical Schematic. © MINOTAIR Ventilation Inc. - www.minotair.com (BR12K-USER GUIDE-2016-009)

  • Page 67: Maintenance

    AINTENANCE The MINOTAIR is a powerful device, but it requires a certain amount of maintenance on a regular basis. Regular maintenance of this device will ensure optimal and worry-free working conditions. Furthermore, failure to perform this maintenance will render the device’s warranty null and void.

  • Page 68: Limited Warranty

    IMITED ARRANTY Dedicated to offering the highest quality products, MINOTAIR Ventilation Inc., the “Manufacturer”, is pleased to offer a 5-year limited warranty on parts. The “Warranty” applies to the Boreal 12000 multifunction air exchanger, the “Product”.  This Warranty only applies if the Product was purchased in Canada or the United States. If the Product was purchased elsewhere, please contact the authorized reseller in the country where it was purchased.

  • Page 69: Notes

    NOTES © MINOTAIR Ventilation Inc. - www.minotair.com (BR07K08K12K-2016-009)

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