inVENTer Pure Manuale utente
www.inventer.de
Operating Instructions
Pure
Control unit
2
2Pure controller | Installation instructions
Trademarks, copyrights and property rights
inVENTer®is a registered trademark of inVENTer GmbH.
The copyright to this document remains with the manufacturer.
Rights to all content and images: © inVENTer GmbH 2022.
All trademarks used in this document are the property of their respective manufacturers and are
hereby acknowledged.
Disclaimer
This documentation represents an translation of the original german operating instructions. The
information on access to the operating instructions must be passed on to third parties when the
system is handed over.
The content of this documentation has been checked for compliance with the described com-
ponents. Nevertheless deviations may still occur, therefore no guarantee of compliance can be
provided.
This documentation describes the functionality of the standard scope.
For reasons of clarity, the documentation does not purport to cover all details on all types of the
product and cannot cover every conceivable scenario for commissioning, operation, cleaning and
care.
The illustrations in this document may dier slightly from the design of the product that you have
purchased. The same functionality is ensured despite any design deviations.
This documentation is updated regularly. Necessary corrections and appropriate supplements are
always included in subsequent editions. You can nd the latest version at
www.inventer.de/downloads.
Company information
Publisher:
inVENTer GmbH Phone: +49 (0) 36427 211-0
Ortsstraße 4a Fax: +49 (0) 36427 211-113
07751 Löberschütz E-mail: info@inventer.de
Germany Web: www.inventer.de
CEO: Annett Wettig
VAT ID number: DE 815494982
Jena District Court HRB 510380
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3
Pure controller | Installation instructions
Table of contents
1 User and safety instructions .................................................................................................. 4
1.1 User information............................................................................................................. 4
1.2 Safety instructions.......................................................................................................... 4
2 System overview: Pure controller.......................................................................................... 6
2.1 Function ......................................................................................................................... 7
3 Operation.................................................................................................................................. 8
3.1 General information........................................................................................................ 8
3.2 Setting the ventilation level ............................................................................................ 9
3.3 Switching o the ventilation............................................................................................ 10
3.4 Setting heat recovery / ventilation mode........................................................................ 11
3.5 Activating / deactivating the pause timer........................................................................ 12
3.6 Acknowledging a lter change ....................................................................................... 13
3.7 Sensor technology activated.......................................................................................... 14
4 Cleaning and care.................................................................................................................... 15
5 Accessories and spare parts.................................................................................................. 16
6 Troubleshooting and disposal ............................................................................................... 17
7 Guarantee and warranty ......................................................................................................... 18
8 Service...................................................................................................................................... 18
TABLE OF CONTENTS
4
USER AND SAFETY INSTRUCTIONS
4Pure controller | Installation instructions
1 User and safety instructions
Thank you for purchasing this high quality product from inVENTer!
This section provides an overview of the basic safety precautions for safe and proper operation of
your control unit.
1.1 User information
Safety and warning instructions
The safety and warning instructions in these operating instructions have a uniform structure and
are marked with a symbol on the left side of the instruction. A signal word in front of the text also
indicates the hazard level. If several hazard levels exist, the highest level safety instruction is
always used.
The safety and warning instructions contain the following information:
SIGNAL WORD: Type and origin of the danger. Possible consequences of the danger!
Measures to avoid the danger.
The signal word indicates the severity of the potential danger unless the preventive measures are
taken:
WARNING means: Possible danger of serious injury or death.
CAUTION means: Direct danger of minor/signicant injury.
NOTICE means: Direct or possible risk of property damage due to an adverse
event/state.
If you see these signs, ensure you observe the described measures to prevent possible hazards
and/or damage.
Other symbols used in this documentation
In addition to the safety instructions, the following symbols are used:
A TIP symbol indicates practical and useful tips for handling your control unit.
All illustrations show the interior wall.
► Action required: This prompts the user to perform a specic action.
Check the results requires you to check the results of the action you have performed.
Action focus: To be taken into account in the corresponding step.
1.2 Safety instructions
The operating instructions are part of your Pure control unit and must be available at all times (see
www.inventer.de/downloads). When handing the system to a third party, the information regarding
access to the operating instructions must be handed over also.
5
USER AND SAFETY INSTRUCTIONS
5
Pure controller | Installation instructions
Before performing any work on the equipment/system, read the operating instructions carefully
and observe all notices in this section.
Also note the safety instructions that precede the described handling instructions. Non-obser-
vance of safety instructions could result in injury and/or property damage.
Intended use
The Pure control unit (also referred to in the further text as "controller" or "Pure controller") must
only be used to control decentralised iV ventilation units with heat recovery from inVENTer GmbH.
Specically, the following must be used:
• The Pure controller for controlling the inVENTer ventilation units with heat recovery integrated
into the system.
• The sensor technology paired with the controller (HYG18 humidistat, HYG12 humidistat, CS1
CO2 sensor or pressure monitor) for the delivery of temperature, humidity and CO2 values to
the Pure controller, which in turn uses these values to control the inVENTer ventilation units with
heat recovery.
Requirements for intended use
• Use the units integrated into the ventilation system only in accordance with the applications
that are described in this documentation and only in conjunction with the components that are
recommended, approved and named by inVENTer GmbH in this documentation.
Changes or modications to the units are not permitted.
• Your ventilation system is exclusively designed for use in ambient temperatures between -20
and 50°C.
• Proper operation and maintenance are required for trouble-free and safe operation of the equip-
ment / system.
• These operating instructions are only valid in conjunction with the installation instructions of the
corresponding ventilation unit with heat recovery and supplement these.
All legal notices that are listed in the respective operating instructions also apply without restric-
tion to this document.
• CAUTION: The Pure controller must not be operated or cleaned by children and/or persons
who are not able to do so safely due to their physical, sensory or mental abilities, inexperience
or lack of knowledge, unless they are supervised by a person responsible for their safety or
have received instructions from them on how to operate the system. Small children must be
supervised to ensure that they do not play with the system's devices.
• NOTICE: The unit has scratch-sensitive plastic surfaces. Do not touch the components with
oily and/or dirty hands. Avoid contact with sharp or pointed objects, e.g. rings.
Any kind of use other than the intended use will exclude all liability claims.
Improper use
The Pure controller is intended exclusively for the control of the ventilation units specied in the
section on intended use. Any other use is strictly prohibited.
6
SYSTEM OVERVIEW: PURE CONTROLLER
6Pure controller | Installation instructions
2 System overview: Pure controller
The Pure controller is an electronic programming unit for controlling inVENTer®ventilation units
with heat recovery. It is available in two versions (standard or at) with two further variants in each
case:
• Pure p4 controller with interface for connecting an external sensor;
• Pure p4 Fire controller with interface for connecting a safety device.
Operation is carried out by setting the rocker switch in various positions.
Integrated indicator lights mean that the switch acts simultaneously as a visual feedback / display
for the user.
The Pure controller can be used either as a base control unit or with additional sensors connect-
ed.
An external interface allows the scope of functions to be expanded:
• p4: Demand-based ventilation via sensor technology (humidistat, CO2 sensor, VOC sensor1)),
or
• p4 Fire: Integration of a safety device (e.g. pressure monitor) with simultaneous operation of
the ventilation units with replaces.
Components
The Pure controller consists of a control module with connecting terminals which contain the
electronics for controlling the connected ventilation units, two status LEDs for visual feedback for
the user, as well as a switching power supply unit.
A serial or double switch is used as the operating and display interface.
Versions
The Pure controller is available in the standard and at versions.
Flat version: The controller switches o the ventilation unit for 1 hour when in "O" mode. Sub-
sequently, the ventilation unit continues to work in heat recovery mode at ventilation level 1 (25
%). The use of the Flat version is recommended in areas where it is desirable not to turn o the
ventilation system in order to protect against moisture build-up.
Standard version: The Pure controller switches the ventilation unit o completely when in "O"
mode. For the ventilation unit to work again, a ventilation level must be selected.
1) VOC = volatile organic compounds
7
SYSTEM OVERVIEW: PURE CONTROLLER
7
Pure controller | Installation instructions
2.1 Function
The Pure controller is a control unit for decentralised ventilation units with heat recovery from
inVENTer GmbH. Where these are connected, the information determined at the controller via the
sensor technology is incorporated into the control of the ventilation unit.
If no sensor is connected (basic control unit), the operating mode and intensity of the air ow can
be set on the Pure controller.
Possible operating modes:
• Heat recovery
• Ventilation
• Pause timer
• OFF (p4 and p4 Fire only)
There are three ventilation levels for the ventilation units which dene the rotational speed of the
fans and therefore the units' air ow. These are xed and cannot be changed:
• Ventilation level 1 – 25 %
• Ventilation level 2 – 50 %
• Ventilation level 3 – 100 %
If sensors are connected to the Pure controller, the range of the controller's functions increases
and this also allows demand-based ventilation alongside manual ventilation.
The sensor used must have a potential-free relay contact as its output.
The increase in functions depends on the variant of controller:
Controller
variant Sensor Limit value exceeded Limit value not reached
p4
p4 Flat
CO2sensor Switch all ventilation units
connected to the controller to
ventilation mode,
output level 75 %.
Switch all ventilation units con-
nected to the controller to the
originally set operating mode
and ventilation level.
VOC sensor
Humidistat
p4 Fire
p4 Fire
Flat
Pressure
sensor
(4 Pa)
Switch all ventilation units
connected to the controller to
OFF mode.
1 a Flush-mounted switching
power supply unit, or
b DIN rail switching power
supply unit
2 Mounting box
3 Control module
4 Display LED (RGB LED)
LED red: Heat recovery
LED green: Ventilation
5 Switch, programming unit
8
OPERATION
8Pure controller | Installation instructions
3 Operation
3.1 General information
The heat recovery and ventilation operating modes can be changed by moving the left-hand
rocker switch back and forth 2 times. The pause operating mode is switched on or o by moving
the right-hand rocker switch back and forth 2 times. The ventilation unit can also be switched o
completely (standard version only).
There are three ventilation levels for the ventilation units which dene the rotational speed of the
fans and therefore the intensity of the units' air ow.
The ventilation levels are adjusted by changing the switch positions
The display LED (RGB LED)
The display LED is located behind the rocker switches and shows the state of the controller with
dierent colours. The following displays are possible:
LED
colour
LED
state Status of the controller Presentation
RED Lights up solid Heat recovery mode active. 11
RED Flashing Safety device sensor triggered. 14
GREEN Solid Ventilation mode active. 11
GREEN Flashing Connected external sensor, e.g. humidis-
tat, triggered. 14
RED /
GREEN Alternate ashing Display lter change. 13
The display LED lights up solid for 10 seconds after switching the double switch (of an input). The
LED then goes out automatically.
If the LED is ashing, this indicates a state that must be actively resolved by the user or controlled
by the sensor technology.
9
OPERATION
9
Pure controller | Installation instructions
3.2 Setting the ventilation level
The intensity of the ventilation can be set in three stages by changing the switch positions. The
ventilation levels are xed and cannot be changed.
The following ventilation levels are dened:
• Ventilation level 1 – 25 %
• Ventilation level 2 – 50 %
• Ventilation level 3 – 100 %
The new setting takes eect immediately, so that adjustments can be made purely by listening to
changes in the sound level.
Ventilation level 1 Ventilation level 2 Ventilation level 3
• Only the left-hand rocker
switch is pressed
• Only the right-hand rock-
er switch is pressed
• Both rocker switches are
pressed
25 %
1
|
50 %
2 |
100 %3
|
25 %
1
|
50 %
2 |
100 %3
|
25 %
1
|
50 %
2 |
100 %3
|
10
OPERATION
10 Pure controller | Installation instructions
3.3 Switching o the ventilation
In this mode, the reversible fans on the ventilation device are switched o. The ventilation units
do not work and there is no exchange of air. In this state, close the inner cover. Select "O" if your
ventilation unit is to remain switched o for a prolonged period, e.g. to clean the ventilation device
or when the inner cover is closed.
OFF mode is set by changing the switch positions.
Switching o the ventilation unit
Switching the ventilation unit back on
►Select any of the ventilation levels 1 - 3.
All of the ventilation units connected to the control-
ler restart at the selected ventilation level.
► Switch both rocker switches o.
All of the ventilation units connected to the control-
ler are switched o.
In individual cases, after the ventilation unit has been switched o for an hour, it restarts in heat
recovery operating mode at ventilation level 1. This is not an error, but rather the at version of the
Pure controller.
Complete switch-o of the ventilation unit is only possible with the standard version of the Pure
controller.
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