Danfoss 010101 Air Ventilation Units User guide
- Category
- Fireplaces
- Type
- User guide
Danfoss 010101 Air Ventilation Units offer a range of features to enhance indoor air quality and energy efficiency. With automatic demand control, the unit adjusts airflow based on humidity levels, ensuring optimal ventilation while preventing excessive drying. Manual operation allows you to choose between four fan levels or switch off the unit. The manual bypass function provides cooling during warmer months by directing cool outdoor air directly into the home, while the automatic bypass function operates based on outdoor and indoor temperatures.
Danfoss 010101 Air Ventilation Units offer a range of features to enhance indoor air quality and energy efficiency. With automatic demand control, the unit adjusts airflow based on humidity levels, ensuring optimal ventilation while preventing excessive drying. Manual operation allows you to choose between four fan levels or switch off the unit. The manual bypass function provides cooling during warmer months by directing cool outdoor air directly into the home, while the automatic bypass function operates based on outdoor and indoor temperatures.
User guide
Danfoss Air ventilation units
danfoss.com
User guide Danfoss Air ventilation units
© Danfoss | HydronicS | Sub-systems | 2023.10 | 2
BC465345765623en-010101
TABLE OF CONTENTS
1 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Important . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.3 The control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.4 Automatic demand management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
1.5 Manual operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.6 Manual bypass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.7 Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 The control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1 Power saving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.2 Fireplace function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.3 Installer operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4.1 General cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4.2 Replacing lters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5 Error message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
User guide Danfoss Air ventilation units
© Danfoss | HydronicS | Sub-systems | 2023.10 | 3
BC465345765623en-010101
1 FUNCTIONAL DESCRIPTION
1.1 Important
The ventilation unit must always be in operation!
Beyond the 4 hours that the unit can be stopped from the control panel, it is not advisable to stop the unit. The risk of stopping it for a
longer period of time is that humid air can condense in the pipe installations and in the ventilation system, risking water damage to the
building structure, damage to the system and hygiene issues. It is therefore not recommended to turn o the ventilation, even for longer
vacations. If necessary, turn the system down to ventilation level 1 in manual mode when you go on vacation.
1.2 function
The unit blows fresh air from outdoor into the house.
Contaminated and humid air is extracted from kitchens, living rooms, bathrooms etc. and passed through the unit, where it reuses the
heat from the exhaust air to heat the cold fresh outdoor air before blowing it into the house.
1.3 Control panel
The control panel is used to set the unit's functions.
The features are described in more detail on page XX
1.4 Automatic demand management
When the system is running in automatic demand control, the airow is regulated according to how humid the exhaust air from
the home is. It is measured by a moisture sensor located in the ventilation system's exhaust duct.
• At humidity levels above 45% RH, the system runs constantly on ventilation level 3
• At humidity levels below 45% RH, the unit slowly regulates down. If the humidity is much lower over a longer period of time,
the unit will eventually go into fan level 1
Automatic demand control is always recommended as it ensures that the air exchange matches the demand while preventing
the home from drying out, especially during the winter months.
User guide Danfoss Air ventilation units
© Danfoss | HydronicS | Sub-systems | 2023.10 | 4
BC465345765623en-010101
1.5 Manual operation
If you want a dierent air volume than the system provides during automatic demand control, you can manually select between
ventilation level 0 - 4.
1.6 Manual bypass
The purpose of the bypass is to cool the home by directing the cool outdoor air directly into the home without heat recovery.
During normal operation (when the bypass function is not activated), the system cools using automatic bypass control when the
outdoor and indoor temperatures allow it, so there is usually no need to activate the manual bypass function.
For homes with large south-facing glass facades with high heat gain, it may be necessary to activate manual bypass in early
spring and fall, when the automatic bypass function does not open because the outdoor temperature is below 15°C.
With manual bypass, the system delivers cool outdoor air directly to the home for 6 hours.
1.7 Filters
The purpose of the lters is to remove dust and other debris from the outdoor air before it is blown into the house, and to protect
the heat exchanger and fans from the build-up of dirt and debris originating from the home.
The system comes standard with G4 lters on both the outdoor air and exhaust air side. An optional F7 pollen lter can be added
to the outdoor air, which lters out even ner particles, especially suitable for pollen allergy suerers.
Levels Functionality
On the control panel, the unit can be set to four dierent levels and be switched o
0 The unit is switched o. (all 4 fan level lights are o)
Used exclusively for e.g. odor nuisance from outside or emergency messages. If ventilation is interrupted
for more than 4 hours, there is a risk of condensation in ducts and unit with the risk of moisture damage.
Note that the unit is only o for 4 hours, after which the unit will start up at level 3.
1 Can be used at night or during absences such as vacations. When the home is empty, ventilation can be
temporarily reduced.
2 Used for normal ventilation needs.
3 Used for normal to high ventilation needs.
For example, when cooking, bathing, drying large amounts of clothes, guests and waste heat.
4 Use when you need a lot of air change, for example, during and just after a party when the house needs
to be aired out.
Note that fan level 4 is only active for 4 hours, after which the system returns to fan level 3.
User guide Danfoss Air ventilation units
© Danfoss | HydronicS | Sub-systems | 2023.10 | 5
BC465345765623en-010101
2 CONTROL PANEL
Component Functionality
1 The operation indicator shows three dierent states:
• Green - System is on and operating ok
• Yellow ash and beep sound - Filter needs changing
• Red and beep sound - Fault on the system
2 When activated, the button lights up.
The bypass is open and directs the cool outdoor air past the heat exchanger so that it is not
heated by the exhaust air.
Manual bypass is active for 6 hours, after which the system automatically shuts down the bypass
again.
In Automatic mode, the unit automatically opens and closes the bypass when necessary.
3 When activating manual operation, you can switch between unit o or fan levels 1-4.
4
1 2 3 4
Indicates the current fan level.
5 When automatic demand control is activated, the unit controls according to the humidity in the
exhaust air of the home.
6
Acoustic alarm
In the event of a fault in the system, the control panel beeps once per hour (also applies to lter
change time).
User guide Danfoss Air ventilation units
© Danfoss | HydronicS | Sub-systems | 2023.10 | 6
BC465345765623en-010101
3 OPERATION
4 MAINTENANCE
3.1 - Power saving
The light turns o after 2 minutes of inactivity to save power, with the exception of the green LED.
4.1 General cleaning
In order for the unit to run reliably, it is necessary to perform maintenance in the form of replacing lters and cleaning the unit.
Keep the unit clean to ensure awless operation and good hygiene. If the system is dirty, e.g. around the lter openings, clean
it with a hard-wrung cloth with lukewarm water, possibly with dishwashing detergent.
Important: Chemical solvents must not be used!
4.2 Replacing lters
When the lter alarm appears on the control panel, it's time for a lter change.
3.2 Fireplace function
When pressing Manual mode for 6 seconds, fan level 3 ashes on the control panel. The system will stop the extraction and main-
tain the supply air at fan level 3 for 15 minutes.
Used when lighting the replace or stove to ensure that negative pressure does not draw smoke into the home.
3.3 Installer operation
When pressing Manel operation + Auto for 6 seconds, fan stage 3 lights up. The system runs in fan stage 3 for one hour.
During that hour, all other functions, including humidity control, are overridden.
User guide Danfoss Air ventilation units
© Danfoss | HydronicS | Sub-systems | 2023.10 | 7
BC465345765623en-010101
Levels Handling
1 Turn o the power to the system.
2 Lift o the front panel of the ventilation unit.
(lift out at the bottom)
3 Remove the two gray foam pieces.
4 Pull out the dirty lters.
5 Slide the clean lters into place.
Keep an eye on the arrow for the airway.
6 Press and hold the lter reset button for at least 1 second.
User guide Danfoss Air ventilation units
© Danfoss | HydronicS | Sub-systems | 2023.10 | 8
BC465345765623en-010101
5 ERROR MESSAGE
Alarm Reason Handling
Yellow LED (30 /min.) and beep sound.
The unit continues to run, but with ad-
ditional power consumption and possible
noise nuisance due to increased pressure
loss in the dirty lter.
Filters are in need of replacement Change the lters and reset the lter timer
on the unit.
Red ashing LED (30/min.) and beep sound.
The unit continues to run in fail-safe mode,
with the supply air fan constantly run-
ning at the lowest speed (stage 1) and the
extract air fan constantly running at stage
1 or 2.
One of the following components is faulty
or has a poor connection:
• T3 extraction sensor
• T4 return sensor
Or
One of the two fans is not reaching the
desired speed.
Inspect and replace the sensor kit if neces-
sary.
Check if the fans run smoothly and if the
wires have lost their connection.
The unit is not running and there is no light
in the control panel
The power is disconnected. Check that the power cable is tted cor-
rectly.
There is water around/under the unit A water trap has not been installed on the
drain as prescribed.
Check and install the water trap as pre-
scribed.
The drain nozzle on the aggrega or the
drain hose is frozen.
Install frost protection from the drain spout
of the unit all the way to the drain, possibly
using a heating cable (accessory).
The drain is blocked in the hose or in the
drip tray inside the unit.
Check that the drain is not blocked and
clean with water and washing-up liquid if
necessary.
The unit makes abnormal noise Fan level 4 is running (only intended to run
for a short period of time)
Turn the unit down to level 1, 2, 3 or acti-
vate automatic demand control.
The lter is blocked. Check and change the lter if necessary
The airway may be partially blocked Check that air inlets and ducts are not
blocked by external elements.
The unit is not regulated correctly. Make sure the unit is properly registered.
© Danfoss | HydronicS | Sub-systems | 2023.10 | 9
BC465345765623en-010101
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Danfoss 010101 Air Ventilation Units User guide
- Category
- Fireplaces
- Type
- User guide
Danfoss 010101 Air Ventilation Units offer a range of features to enhance indoor air quality and energy efficiency. With automatic demand control, the unit adjusts airflow based on humidity levels, ensuring optimal ventilation while preventing excessive drying. Manual operation allows you to choose between four fan levels or switch off the unit. The manual bypass function provides cooling during warmer months by directing cool outdoor air directly into the home, while the automatic bypass function operates based on outdoor and indoor temperatures.
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