Muonio AQS1 User manual

USER MANUAL
MUONIO system is a network of devices for
heating, cooling, and ventilation that brings
comfort to your home.
The AQS1 air quality sensor is available in
two variants; the AQS1_TH that monitors
temperature & humidity and the AQS1_THV
that monitors air quality through volatile
organic compounds (VOC) in addition to
temperature and humidity.
The AQS1 Sensor requires 3xAA batteries
to operate and is responsible for creating a
comfortable and healthy living environment
within your home.
Package contents:
- Air quality sensor
- Operating instructions
AQS1
AIR QUALITY SENSORS
MODE SPEED
OFF
FILTER
IN
OUT
AUTO
1
2
3

Introduction
This manual describes how to understand and install the air quality sensor
AQS1
This device is meant to work in combination with the MUONIO devices and
it is not a stand-alone device.
Read the operating instructions carefully before using the device for the rst time and preserve this booklet
for later reference. Pass this manual on to whoever might acquire the device at a future date.
This device must not be operated by children and persons who are not able to operate the device safely
due to their physical, sensory, or mental abilities or their inexperience or lack of knowledge. Children
should be supervised to ensure that they do not play with the device.
Damage to the device: If the device is defective, do not attempt to repair it yourself. In cases of damage,
contact the manufacturer.
Operating Environment
Position the device on a stable, at surface and do not place any objects on the device. The device is not
designed for use in environments with high temperatures or humidity (where condensation may occur)
and must be kept free of dust. Operating temperature and operating humidity: 5 °C to 40 °C, max. 90% RH
Always make sure that:
• no direct heat sources (e.g. radiators) can aect the device;
• the device is not exposed to direct sunlight or strong articial light;
• contact with the spray, dripping water, and corrosive liquids is avoided and the device is never operated
near water, in particular, the device may never be immersed in liquids (do not place any objects containing
liquids, such as vases or drinks, near the device);
• the device is never placed near magnetic elds (e.g. loudspeakers);
• no re hazards (e.g. burning candles) are placed on or near the device;
• no foreign bodies are introduced into the device;
• the device is not subjected to extreme temperature changes.
• the device is not subject to excessive shocks and vibrations.
Intended Use
This device is a consumer electronics device. The device may not be used outdoors or in tropical climates.
Only external devices that comply with safety standards and are compatible with this device in terms
of electromagnetic compatibility and shielding may be used. This device fullls all relevant norms and
standards as associated with CE Conformity. Any unauthorized modications to the device may result
in these directives no longer being met, and the manufacturer will not be liable for any damage or injury
resulting from unauthorized modication. Only use the accessories recommended by the manufacturer.
WARNING & INFORMATION SYMBOLS
The addition of this symbol to a “Danger” or “Warning” safety label indicates that an electrical hazard
exists which will result in personal injury if the instructions are not followed. Obey all safety messages
that follow this symbol to avoid possible injury or death.
The Information symbol is used to address practices not related to physical injury and to indicate
where useful facts will assist in installing or using the device correctly.
CAUTION indicates a hazardous situation which, if not avoided, could result in minor or moderate
injury.
DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury.
IMPORTANT! Disregard will lead to permanent equipment damage!
INFORMATION! indicates an explanation containing information that is useful to know, a
supplementary operating procedure, or other data.
IMPORTANT
INFORMATION

Introduction
REPAIRS
Repairs are required when the device has been damaged in any way, for example when a liquid has
entered the product, when the product has been exposed to rain or moisture, or when the product
does not work normally or i.e. the product has been dropped. If smoke, unusual noises, or smells
are noticed, switch o the device immediately. In these cases, the device may no longer be used
until it has been inspected by authorized service personnel. Please contact qualied personnel
when a repair is required. Never open the housing of the device or the accessories. Only use a
clean, dry cloth for cleaning. Never use any corrosive liquids.
CHILDREN
Electrical devices do not belong in the hands of children. Do not allow children to use electrical
devices when not under supervision. Children may not understand that they can be dangerous.
Batteries and small parts represent potential choking hazards. Keep batteries out of the reach of
children. If a battery is swallowed, seek medical help immediately.
Keep all packaging well away from small children. There is a risk of suocation!
Batteries must be handled with special care. Take note of the following safety instructions:
• Keep batteries well away from children. Children can put batteries into their mouths and swallow
them. If a battery is swallowed medical assistance must be sought IMMEDIATELY.
• Do not throw batteries into a re. Never subject batteries to high temperatures.
• Explosion hazard! Non-rechargeable batteries must never be recharged.
• Do not open the batteries or short-circuit them.
• Battery acid leaking from a battery can cause inammation of the skin. In the event of contact
with the skin, rinse with large amounts of water. If the liquid comes into contact with your eyes,
rinse thoroughly with water, do not rub, and immediately consult a doctor.
DAMAGE TO THE DEVICE
• If the device is defective, do not attempt to repair it yourself. In case of damage, contact the
manufacturer.
• If liquid escapes from the device or if the device has been otherwise damaged, it must be
inspected by the manufacturer or the manufacturer’s service hotline. Contact the manufacturer.
• Take the batteries out of the battery compartment as soon as they are depleted.
• If the device will not be used for a long time, remove the batteries to prevent them from
discharging.
• Always change all batteries at the same time and always use batteries of the same type
Technical datasheet
Power supply: 3 X AA battery
Radiofrequency 2.4Ghz
Connector for ID Key
Sensors AQS1_TH: Temperature, humidity
Sensors AQS1_THV: Temperature, humidity, and VOC

Introduction
3 batteries are used to power
the device. For the AQS1_TH the
estimated battery life is 1-2 years and
for the AQS1_THV it is 0,5-1 year.
An ID KEY is required for joining
devices to the mesh network. For a
more detailed description please see
the GATEWAY manual.
Insert a programmed ID KEY into an
un-powered AQS1 device and then
power the device by inserting the
batteries. If all is done correctly, the
sensor will appear in the app and
create a zone.
GENERAL OVERVIEW
ID KEY inserted
3 x AA battery
FIGURE 1. AQS1 GENERAL
FIGURE 2. AQS1 INSIDE
The AQS1 is a battery-operated
device with the freedom to
be positioned in the optimum
location with minimal installation
requirements.
It provides highly accurate
environmental data.
There are two types of sensor:
AQS1_TH
AQS1_THV
TH - temperature, humidity
THV - temperature, humidity, VOC
57
MODE SPEED
OFF
FILTER
IN
OUT
AUTO
1
2
3
87
29
LED status for ventilator
Ventilator control buttons

Button controls & position
If a zone incorporates a ventilation system, it is possible to
control it locally from an AQS1 device.
Press any button for the sensor to retrieve information. Then
press MODE to change the mode of work (OFF, IN, OUT, AUTO)
or SPEED button to change the fan speed of the ventilators..
There is also one additional LED that will glow if the lter needs
cleaning. The LEDs are not showing data indication unless a
button is pressed to preserve the battery.
If a ventilator is not present in the zones these buttons will not
have any eect.
MANUAL CONTROLS
The positioning of the sensor plays a signicant role in how the system works. If the sensor is positioned
incorrectly the readings might be inaccurate. Do not place a sensor in the following places:
- Places with direct sun exposure.
- Places where the sensor can be exposed to any kind of fumes and heat (for example near cooking devices)
- Too low or too high, air stratication plays a signicant role in temperature sensing (Typically 1.5m from the
oor is good).
- Places with air drafts, near open windows, etc., where sudden temperature changes can occur.
- outside (sensor is not designed to work outside or sustain water drops).
- in an industrial environment or dirty places.
Relative Humidity is directly correlated to temperature so having the correct temperature reading is very
important. The same applies to the air quality sensing element (VOC) whose readings are constantly adjusted
for temperature and humidity, therefore having correct accurate readings is important for the sensor to
operate correctly.
POSITIONING THE SENSOR
FIGURE 3. MANUAL CONTROL FOR VENTILATOR
MODE SPEED
OFF
FILTER
IN
OUT
AUTO
1
2
3

Data from the sensor
EXAMPLE HOME SCREEN
Weather information for your town. The town can be chosen on the
settings page.
Zone 1 sensor (Example)
This sensor is a AQS1_TH which monitors temperature & humidity
information. Depending on the other devices connected to this zone,
data will be shown for heating/cooling and/or ventilation. If there are
no devices connected to this zone there will be no icons for work status.
This zone has a heating system connected to it which can be seen from
the sun indicating heating and the house symbol that shows which
heating setting is on.
Zone 2 sensor
This sensor is a AQS1_THV which monitors the monitors the
temperature, humidity, and air quality data. This zone also has a
ventilator connected to it in addition to the devices in Zone 1.
Zone 3 sensor
This Zone has the same sensor and devices as Zone 2 above.
Zone 4 sensor.
This Zone has the same sensor and devices as Zone 2 & 3 above.
Depending on the system you have there can be a maximum of 4 zones
in one system/gateway.
By clicking on a zone you will be directed to a more detailed settings
page for each zone.
The sensors will automatically show data they have available.
For more information on how the air quality sensors (AQS1) operate as
a part of the Muonio system please refer to other manuals, particularly
the GATEWAY manual.
FIGURE 4. HOME PAGE INFO

Air Quality Sensor
AIR QUALITY SENSOR DETAILS
Volatile organic compounds (VOCs) are organic chemicals that have a high vapor pressure at ordinary room
temperature. Their high vapor pressure is a result of their low boiling point, which cause a large number of
molecules to evaporate or sublimate from a liquid or solid form of the compound and enter the surrounding air, a
trait known as volatility.
Some VOCs are dangerous to human health or cause harm to the environment. Anthropogenic VOCs are regulated
by law, especially indoors, where concentrations are the highest. Harmful VOCs typically are not acutely toxic but
have compounding long-term health eects. Because the concentrations are usually low and the symptoms slow to
develop, research into VOCs and their eects is dicult.
VOC measurements are based on a heated lm of metal-oxide (MOx) nanoparticles. Absorbed oxygen on the
metal-oxide particles reacts with the target gas thereby releases electrons. This results in a change in the electrical
resistance of the metal-oxide layer that is measured by the sensor.
These measurements are not absolute but relative, clean air resistance can vary from sensor to sensor and also drift
with time. There is an algorithm inside the sensor constantly trying to adjust for these variables and trying to nd the
current baseline readings. The best practice is to not restart the sensor if not required and at the same time avoid a
sudden change in temperature/position.
A new sensor will need at least a week to have consistent readings.
For an algorithm to have correct values, the sensor periodically needs to be exposed to fresh air.
It is possible that during algorithm change, values could change for no particular reason.
Due to the nature of how air quality sensor works, battery life expectancy is considerably lower for devices equipped
with air quality sensors.

Air Quality Sensor
Steps to reduce high VOC levels:
VENTILATION - ventilation is one of the best ways to reduce indoor VOC levels. A good practice is to have Demand-
Controlled-Ventilation (DCV), based on air quality inputs. However, to have a successful ventilation strategy, it must be
designed and maintained to proper standards. For instance, if ducts used for ventilation are not cleaned at least 1 or 2
times a year, they themselves can become a source of VOC and other harmful particles.
SOURCE CONTROL - Some of the sources that can be avoided include paints, paint strippers, and other solvents,
aerosol sprays, moth repellents, and air fresheners, dry-cleaned clothing, pesticides, building materials and furnishings,
graphics and craft materials, etc. For more information visit:
https://www.epa.gov/indoor-air-quality-iaq/volatile-organic-compounds-impact-indoor-air-quality
HUMIDITY - Dust particles and dirt accumulated in the ventilation system combined with moisture can result in
biological growth and serious air quality problems. The airtightness in new buildings means considerable energy
savings for space heating, but it makes it more dicult to remove excessive humidity, dust and VOC, resulting in poor
air quality within the dwelling. Excessive humidity is also an important contributor to the growth of mould which can be
harmful to the people.
MUONIO not only aims to raise air-quality awareness with a series of sensors that can detect possible indoor air quality
problems but also oers solutions to correct said problems based on the MUONIO HR1 heat recovery ventilation
system.
Level Hygienic Rating Recommendation Exposure Limit TVOC [ppb*]
Un-
healthy
Situation not ac-
ceptable
Intense ventilation necessary Use only if unavoid-
able
hours 2200 and more
Poor Major objections Intensied ventilation/airing necessary, search for
sources
< 1 month 660 – 2200
Moderate Some objections Intensied ventilation/airing recommended, search
for sources
< 12 months 220 – 660
Good No relevant objec-
tions
Ventilation/airing recommended no limit 65 – 220
Excellent No objections Target value no limit 0 – 65
Table 1: Air Quality Levels
*Translation from mass concentration [µg/m³] to particle concentration [ppb] is based on an average molar mass of TVOC
molecules, according to the TVOC mix proposed by Mølhave (Ref.: Mølhave L, Clausen G, Berglund B, et al. (1997) Total Volatile
Organic Compounds (TVOC) in Indoor Air Quality Investigations. Indoor Air 7:225-240). Thereby 4.9 µg/m³ corresponds to 1 ppb
TVOC concentration.
Some sources for further readings:
German Committee on Indoor Guide Values (https://www.umweltbundesamt.de/en/topics/health/commissions-working-groups/
german-committee-on-indoor-guide-values#german-committeeon-indoor-guide-values),
American Lung Association (https://www.lung.org),
Prevalence of dampness and mold in European housing stock (https://www.nature.com/articles/jes201221.pdf?origin=ppub)
DAMP AND MOULD - WHO (http://www.euro.who.int/__data/assets/pdf_le/0003/78636/Damp_Mould_Brochure.p)

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Warranty

SYSTEM NOTES
Disposal of Old Devices
Devices marked with this symbol are subject to European Directive 2002/96/EC. All electric and
electronic devices must be disposed of separately from household waste at ocial disposal
centres. Avoid hazards to the environment and dangers to your personal health by disposing of
the device properly. For further information about proper disposal, contact your local council,
waste disposal oce or the shop where you bought the device.
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