Vent-Axia Lo-Carbon Calido Installation instructions

Lo-Carbon Calido
MVHR Unit
Installation & Operation Instructions
StockRef.N°
411133
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2
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Important information:
- According to the standard EN 60335, the following shall be considered.
This appliance can be used by children aged from 8 years, and persons with reduced
physical, sensory or mental capabilities, or lack of experience and knowledge if they
have been given supervision or instruction concerning use of the appliance in a safety
way and understand the hazards involved.
Children shall not play with the appliance.
Cleaning and user maintenance shall not be made by children without supervision.
- Prohibit to install this product where it could be directly exposed to water.
- Prohibit to install this fan near cooking equipment.
- Do not install this product in places with excessive oil fume.
- The ventilation fan must be installed in such a manner that it will not fall down from
the ceiling/wall the unit are screwed in.
- The product must be installed on a wall or ceiling that is strong enough to keep the
unit, otherwise the wall or ceiling reinforced.
- Be sure to provide an appropriate opening for air intake and exhaust.
- Consider the location of the intake air so do not risk that gas or other fuel gases can
follow the supply air into the home.
- Use this product at the rated voltage and frequency indicated on plate.
- The appliance is equipped with an isolator switch for disconnecting from the mains.
With this switch separates all poles that provide full disconnection under overvoltage
category III.
This switch must be included in the fixed wiring in accordance with the cabling rules.
Environment
Packagingwaste
- Please recycle packaging waste in the nearest recycling center.
Contact your local recycling center for local guidelines and more information.
Keep waste out of reach of infants and children to avoid injury or suffocation.

3
Environmen
t
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Contents
Thank you for purchasing the Vent-Axia Lo-Carbon Calido. Please read this manual
carefully to understand how to use this product correctly to achieve the best possible
effect.
Keep this manual in a safe place for future reference.
For more information, see www.vent-axia.com
- Important information Page 2
- Environment 3
- Safety instructions for users 4
- Name of each parts 5
- How to use 7
- Maintenance 12
- Safety instructions for the installer 13
- Dimension and Installation 14
- Specifications 20
- Frequently asked questions 20
- Warranty 24
Feature:
- Warm air from the home is drawn into the Calido and is used to heat the incoming
fresh air.
- As the temperature and humidity can be recovered with Calido in-built heat
exchanger, it is also possible to save air conditioning costs.
- Calido is designed to be installed indoors, temperature range from 5 to 35°C.
- Recommended ambient temperature in operation is around 20°C.
- Calido automatically turns off when the outside temperature is below -30°C.
Environment:
Informationaboutelectronicwasteandequipmentforhouseholds
This marking indicates that this product should not be disposed with other
household wastes throughout the EU. To prevent possible harm to the environment
human health from uncontrolled waste disposal, recycle it responsibly to promote
the sustainable reuse of material resources. To return your used device, please use the
return and collection systems or contact the retailer where the product was purchased.
They can take this product for environmentally safe recycling.
InformationonwasteelectricalandequipmentoutsidetheEuropeanUnion 
This symbol is only valid in the European Union. If you wish to discard this product,
please contact your local distributor for proper disposal.
BeforedisposingofyouroldCalidounit
Please follow the instructions from the manufacturer of your old device or local
regulations from local authorities.
If none of these options is available, please follow two-step instructions below:
1. Disconnect main power and discard the waste carefully, let the wall socket
remain in the unit.
2. Keep the device out of reach of children before it is discarded.

4
Safe
t
yinstructionsforusers


Safety instructions for the installer.
WARNING
CAUTION
Indicatesfatalrisksorrisksofseriousinjury.

- According to the standard EN 60335, the following shall be considered.
This appliance can be used by children aged from 8 years, and persons with
reduced physical, sensory or mental capabilities, or lack of experience and
knowledge if they have been given supervision or instruction concerning
use of the appliance in a safety way and understand the hazards involved.
Children shall not play with the appliance.
Cleaning and user maintenance shall not be made by children without
supervision.
- Use this product at the rated voltage and frequency indicated on the name plate.
- Do not disassemble the unit, it may cause fire or electric shock.
- Do not turn this product on or off as it may in cause gas leakage, there is a risk
of electric
spark occurs in the switch, which can result in an explosion.
- When cleaning, do not spray water or other cleaning liquids directly on the product,
short circuit and electric shock may occur.
Indicatesariskofpersonalinjuryorpropertydamage.
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- Routine maintenance is required every year. Disconnect the power source before
you conduct any maintenance.
- Do not use gasoline, benzene, thinner or similar chemicals for cleaning of the unit.
- Do not wash in hot water over 60oC.
The symbols mean:
Do not
Make sure that you do this
Do not disassemble

5
Nameofeachparts

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[
1
]
OA
(Outside air)
EA
(Exhaust air)
[2]
[
3
]
RA
(
Return air
)
[
5
]
[
4
]
The figure below shows
Calido, for example.
SA
(Supply air)
Important parts:
1: Heat recovery ventilation unit
2: Outdoor air Filter (OA filter)
3: Return air Filter (RA filter)
4: Front panel
5: Remote Control (optional on request)

6
Nameofeachparts

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Control panel &
Remote Control (optional on request)
Calido
[6]
[7]
[8]
[9]
[10]
[11]
[2]([13])
[3] ([12])
- When the unit is in standby, you cannot use settings.
- Settings with remote control (optional on request)
and control panel can be
used after the unit is started
with button 4.
- If no settings are used, the light indicator disappears
after 10 seconds.
- The display lights up only when settings applied on
the control panel.
[1] Main power switch (on/off)
[2] Indication, start and standby (green)
[3] Indication, filter maintenance (orange)
[4] Start and Stand by button
[5] Filter Maintenance (reset button)
[6] Button, setting air flow (3 step)
[7] Button, setting moisture sensitivity (9 step)
[8] Button, choice of Mode location
[9] Indication, preset airflow
[10] Indication, selected moisture sensitivity
[11] Indication, selected mode
[12] Indication, filter cleaning (orange light)
[13] Indication, operation (green light)
[1]
[5] [12] [4] [13]

7
Howtouse
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Turn on/off the aggregate.
Start the unit by pressing the button
on the control panel or remote control
(optional on request)
After about one minute, the unit opens the
dampers for outdoor air and exhaust air.
After around one minute, the moisture
adjustment, operating mode and fan speed can
be selected.
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How to use Calido.
[1] Press the edge of the grille to open.
[2] Pull the lever sideways to unlock the front panel
[3] Remove the front panel down to release it.
[4] Turn on the main switch.
[5] Replace the front panel by pressing the lid back to
the unit.
[6] Flip the lever back into its locked position [2].
Note: Turn on / off the main power switch [4].
Use this button when doing maintenance or leaving
home for a long time.
[1]
[3] [5]
[4]
Turn on/off the main power switch.
[2] [6]

8
Howtouse
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NOTE:
- Main unit
Push to change the flow into
20, 40 or 60m³/h
- Remote Control (optional on request)
Select, Low Mid High
- Main unit
Push to change the moisture sensitivity
(9 steps, 40-88%)
Settings
- Calido is factory set to start at a moisture level of 88%.
The moisture level starting point can be adjusted between 40-88%
using nine levels.
- Moisture level is indicated by three LEDs, each LED indicates where the third level
(3, 6 and 9th level, each step change sensitivity by 6%)
- When the set humidity level is reached Calido works in forced extraction mode. When
the humidity later falls below the set level, the unit will continue at forced for 20
minutes to stabilize the moisture level.
Then returns to its normal Calido heat exchange operation.
(Please carefully consider the humidity level when changing it from 88%. During summer, when the relative
humidity can be high, it may be necessary to adjust the starting point to a higher level to prevent Calido from
being forced into exhaust air mode only.)
Lo
w
Mid Hi
g
h
Speed control
Humidity control

9
Howtouse

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20°C
Calido
- Main unit
Press c h o i c e o f M o de
location.
- Remote control
(optional on request)
Function: Normal, Eco or Comfort
5°C 18°C
Outsideair Supply air
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Exhaustair
21°C
Returnair

Function: Summer
Outdoor temp
+15°C
20°C
Returnair

Exhaustair
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The following descriptions apply, provided that the extract air is taken from a space where the temperature is not below about 21 °C.
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Mode Outsidetemperature[°C] Functionality
Normal 35 to -15 Continuous operation with heat exchange.
-15 to -20 Extract air mode.
-20 to -30 Extract air mode with air flow rate of 30 m³/h.
below -30 Standb
y
. Exhaust air outlet and outdoor air inlet closed.
Summer ≥ 10 Increased comfort in summer-time.
If Mode Summer is on and the outdoor air is 4°C colder than the exhaust air, the supply air stops
and the unit only works with exhaust air.If the out- door temperature falls below 10°C Mode
summer is deactivated automatically and the ventilation unit works in Mode Normal.
Eco 35 to -20 Continuous operation with heat exchange and minimal supplementary heating to prevent icing/
condensation.
-20 to -30 Extract air mode with airflow rate of 30 m³/h.
below -30 Standby. Exhaust air outlet and outdoor air inlet closed.
Comfort 18 to -20 Continuous operation with heat exchange and supplementary heating to keep the supply air
tem
p
erature above 18 °C.
-20 to -30 Extract air mode with airflow rate of 30 m³/h.
below -30 Standby. Exhaust air outlet and outdoor air inlet closed.
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7°C
Normal Summer Eco Comfort
Mode control
Summer
Summer

Howtouse
10
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The light for filter maintenance lights up when
selected period listed, (default 180 days).
Change the air filter according to the
instructions, see page 12. ReplacementFilters
Ref:‐411158
Once changed, reset signal for filter control by
pressing the filter button.
Push
Depending on how quickly the filters become clogged there are four different
service intervals to choose from. The intervals are set as follows.
Put the unit in standby mode by pressing the button
- Simultaneously press buttons and for three seconds to access
interval selection.
- When you hear two short buzzing sounds, you are ready to choose desired interval.
- Step forward with the button to select the appropriate interval.
- Short buzzer sounds at each step as below.
The four service intervals shown with flashing lights according to
the following combinations.
Low Mid High
[7] [8]
[3] After changing the period, press buttons and for three seconds again.
90 180 270 365
Filter Maintenance
Period
Lamp Indication
Low Mid High [8] [7]
90 days
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180
days

270days

365 days
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