Minotair PENTACARE-V12 Series User Manual And Installation Manual

Compact air treatment unit

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COMPACT AIR TREATMENT UNIT

PENTACARE-V12 SERIES

PLEASE READ THIS MANUAL CAREFULLY

AND KEEP IT FOR FUTURE REFERENCE

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Page 1 Serial Number: Purchase date: Reseller: Reseller’s Tel: COMPACT AIR TREATMENT UNIT PENTACARE-V12 SERIES PLEASE READ THIS MANUAL CAREFULLY AND KEEP IT FOR FUTURE REFERENCE...
Page 2 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. The MINOTAIR is easy to operate with its digital control, designed to focus on the factors directly affecting comfort and air quality.
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) ....................48 “Ventilation” settings screen (cont’d) ....................49 Adjusting Heating and Cooling Settings ..................50 “Temperature” settings screen ......................50 “Temperature” settings screen (cont’d) ................... 51 “Temperature” settings screen (cont’d) ................... 52 © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 5 “System info – Software version” screen ..................63 Alarm Descriptions ............................64 Maintenance ..............................68 Limited Warranty ............................69 Limitations and Exclusions ........................69 Damage Claims ............................69 Other warranty rights ..........................69 NOTES: ................................70 © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
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 (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
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 manual. 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 an auxiliary 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 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 guarantee 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 (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
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 (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 14: Intermittent Mode
If air becomes too dry in winter, lower the intermittency as needed. o Could tend to over-ventilate if intermittency is set too high. Figure 7 – Intermittent Mode 10, 20, 30 or 40 – with heat pump recirculation. © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 15: Smart Mode
In other words, once the unit is set to your preferences, you will forget it's there. Figure 8 – Smart Mode. © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
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. EVICE NSPECTION •...
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
(humidifier, bathrooms), the insulation must be protected by a vapor barrier located between the liner and the insulation. The Minotair AcoustiCare© series of flexible ducts and prefabricated mufflers are products that meet all these requirements for peace of mind installations.
Page 20: Calculating Ventilation Airflow
Total fresh air supply Your Your answer answer 1. Input this value into the microcontroller. > 90 > 40 8 2. The total exhaust airflow must be identical Table 1 – Airflow planning. © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
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 (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 22 If enough space is available, it is always preferable to choose main ducts of 8” (200 mm) to use the MINOTAIR to its full. The maximum airflow of the main ducts will then be required to be adjusted between 220 cfm and 250 cfm (105 l/s and 120 l/s) in the microcontroller’s ventilation menu.
Page 23: Guidelines For Air Ducts
If this is not possible, it is nonetheless advisable that at least the first 6 feet (2 m) of the supply ductwork starting from the Minotair be insulated. CAUTION! During cooling and dehumidification operations, condensation could form on the outside walls of the unit and the supply ducts, which could cause water damage.
Page 24 Use the Minotair AcoustiCare© series of flexible ducts and prefabricated mufflers for peace of mind installations.
Page 25: Installing Flexible Ducts
Moreover, if the flexible duct must move moist air (humidifier, bathrooms), the insulation must be protected by a vapor barrier located between the liner and the insulation. The Minotair AcoustiCare© series of flexible ducts and prefabricated mufflers are products that meet all these requirements for peace of mind installations.
Page 26: Location Of Indoor Grilles
Whenever possible, the slope of the conduits connecting to the outside hoods should have a slight slope either towards the outside or the Minotair to drain out condensates that may form if the airflow passing through the conduits is very humid.
Page 27: Balancing The System
Close all windows and doors, and turn off all exhaust devices such as range hood, dryer and bathroom fans. o Set the controller to the maximum airflow allowed, and set the MINOTAIR to "air exchanger" mode. o Connect each plastic tube to the fresh air from outside and stale air to outside respectively.
Page 28: Securing The Minotair
120 lb. (55 kg). • The MINOTAIR must be suspended using the four specially designed hooks. Use the polypropylene webbing straps (supplied) to tie the device.
Page 29: 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 30: Connecting To Auxiliary 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 9 and Figure 10) and adjust it until the static pressure indicates 0.1 inch of water column (25 Pa).
Page 31: Connecting To A 5 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" terminal or "B"...
Page 32: 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 33: Installing The Wall Mount Control (Installation Option)
NSTALLATION PTION • In addition to the digital control integrated in the microcontroller, it is possible to connect up to two wallmount digital controls per MINOTAIR unit for even more convenience. Figure 20 – Wall Mount Digital Control ELECTING THE OCATION •...
Page 34: 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 23 - Cable configuration for two wallmount digital controls © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 35: 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 24 – Wall-Mounting © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 36: Connecting The Minotair
MINOTAIR that can be used to cut power during repair or maintenance activities (Figure 25). • 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 25 – Connecting the device.
Page 37: 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 26 – MINOTAIR digital control main screen Inside the house  Device status {on ( ), off ( ...
Page 38: Digital Control Buttons
Note that each alarm is logged in the events 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 (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 39: 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 (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 40: 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 41: Turning The Device On And Off
N AND Press A to turn on the device. Ventilation will start (Figure 30). 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 42: Adjusting Indoor Temperature
(fireplace, woodstove, etc.) heats the house over the setpoint temperature. 3 Units: o °C. Temperature will display in Celsius units o °F. Temperature will display in Fahrenheit units. © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 43: Adjusting Indoor Relative Humidity
If humidity was set to winter automatic mode in the main menu, the setpoint displayed on the main screen will automatically decrease as the outside temperature falls below freezing, but without ever going under 30%. © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 44: Activate The Virtual Bathroom Timer
Note that physical bathroom timers always take precedence over the virtual timer. Note also that the bathroom timer ventilation speed is set in the Main menu. Figure 34 – Activation of the Virtual Bathroom Timer is done by pressing E and P. © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 45: Main Menu
The MINOTAIR includes several settings that are accessible from the main menu screen. You can access the main menu by pressing the “Setpoint” P button for 3 seconds. 1. V ENTILATION ETTINGS Press the P button for 3 seconds to display the main menu. Then, using the U and D arrows, navigate to the “Ventilation”...
Page 46 Ventilation speed will display in cubic feet per minute. o l/s. Ventilation speed will display in liters per second. Use the fresh air supply rate calculated in Table 1 – Airflow planning. © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 47: Ventilation Settings Screen Contd
[!]. o NO. When indoor humidity drops below setpoint, the device will continue to ventilate per normal but at the risk of further drying out the indoor air. © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 48: Ventilation Settings Screen Contd
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 49: Ventilation Settings Screen Contd
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 50: Adjusting Heating And Cooling Settings
“COOLING”. In Automatic mode, the cooling setpoint must always be higher or equal to the heating setpoint. The device will automatically correct it, if needed. © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 51: Temperature Settings Screen Contd
Figure 44 – Examples of options to adjust auxiliary (central) heating units. The MINOTAIR can control auxiliary heating units such as electric and gas furnaces and heat pumps as long as they can be controlled through a 24 VAC signal.
Page 52: Temperature Settings Screen Contd
NO. This MINOTAIR does not control any auxiliary cooling unit. o YES. This MINOTAIR will send a signal to the “Y” cooling terminal on the terminal board and will let the auxiliary unit manage its own speed switching, if applicable.
Page 53: Temperature" Settings Screen (Cont'd)
Figure 47 – Examples of options to adjust outside temperature calibration. Figure 48 – Examples of options to calibrate the inside temperature sensor. The MINOTAIR uses sensors to measure outside and indoor temperatures. However, since the sensors are integrated into the device, their temperature readings may differ from what the sensors would have measured if they had been located outside the house (for outside temperature) or in a living space like the living room (for indoor temperature).
Page 54: Adjusting Indoor Humidity Settings
- 20°C (-4°F) or less. Humidity level cannot be set below 30% for reasons of comfort and health. o NO. The humidity setpoint will remain unchanged if outside air falls below freezing point. © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 55: Humidity Settings Screen Contd
Note that a high sensitivity may cause false detections. If so, opt for normal sensitivity. © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 56: 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 57: 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 (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 58: 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 59: Adjusting Filter Settings
5.1.1 Figure 57 – Examples of options to adjust filter settings. 5.1 Prefilters. The MINOTAIR must be equipped with manufacturer-approved MERV 8 (G4) prefilters to ensure proper functioning. Two prefilters protect the MINOTAIR from dust, which can quickly clog its coils and fan blades. The prefilters must be replaced every three months.
Page 60: Other Settings
5.2 HEPA Filter. The MINOTAIR is equipped with a High Efficiency MERV 15 (F9) filter, which can eliminate up to 95% of dust and micro-organisms as small as 0.3µm. HEPA filters are recommended for asthma patients. These filters must be replaced every 12 months.
Page 61: 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 62: Tenant Mode" Screen
NO. Do not allow end users to modify the relative humidity setpoint. o YES. Allow end users to modify the relative humidity setpoint. 6.4.5 Change Password: o SET. Allows to change the Tenant Mode password. Figure 63 – Insert new tenant mode password. © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 63: System Info
Figure 66 – 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 (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 64: 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 65 In the case of a clogged expansion • Refrigerant starting to leak. valve, the system should repair itself. • Defective or disconnected low- Call a qualified technician if the pressure valve. problem persists. © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 66 2. The microcontroller will default to a • Defective or disconnected B6 40% indoor humidity. 3. Manually set indoor humidity setpoint sensor. according to your current indoor • Defective controller. humidity level needs. © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 67 1. This is a problem which requires the intervention of a qualified technician. • Fans A and B are swapped. 2. Terminal Y3 controls Fan A (left) while terminal Y4 controls Fan B (right). © MINOTAIR Ventilation Inc. - www.minotair.com (PENTACARE-V12-OWNER'S MANUAL-2019-Rev-014)
Page 68: 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 69: 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 CATU-V12 and PentaCare V-12 Compact Air Treatment Unit, the “Product”. •...