inVENTer iV14V Installation And Operating Instructions Manual

inVENTer iV14R/V

ventilation system

Installation and operating instructions

2

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

Trademarks

inVENTer®, MZ-One® and Clust-Air® are protected trademarks of inVENTer GmbH. Any other

designation used in this documentation may be a trademark whose use by any third party and

for the purposes of such third party may violate the rights of its holders.

Disclaimer of liability

This documentation is an English translation of the original German installation and operating

instructions. Once installation has been completed, it should be passed onto the user (tenant,

owner, building management, etc.).

The contents of this documentation have been checked for correlation with the hardware and

software described. However, discrepancies cannot be ruled out, so complete correlation

cannot be guaranteed. This documentation will be updated on a regular basis. Any necessary

corrections and useful additions will always be available in subsequent editions.

Version 4.1.0

3

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

4

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

Table of contents

1 User and safety instructions .................................................................................................... 6

1.1 Safety instructions ....................................................................................................... 6

1.2 Intended use ............................................................................................................... 7

1.3 Incorrect use ................................................................................................................ 7

 

1.5 General symbols .......................................................................................................... 7

2 System overview ....................................................................................................................... 8

2.1 Layout .......................................................................................................................... 9

2.2 Function ....................................................................................................................... 13

2.3 Controls ........................................................................................................................ 14

3 Preparing for installation ........................................................................................................ 17

3.1 Dimensions .................................................................................................................. 17

3.2 Dimensioned drawings ................................................................................................. 18

4 Wiring/electrical connections ................................................................................................. 24

5 Assembly and installation ...................................................................................................... 26

5.1 Preparation set ............................................................................................................ 26

5.2 Completion set ............................................................................................................ 27

5.3 Information on RAL-compliant installation ................................................................... 28

5.4 Creating the wall opening/plaster channel ................................................................... 29

5.5 Laying the controller cable ........................................................................................... 32

5.6 Fitting the wall sleeve ................................................................................................... 33

5.7 Fitting the sliding sleeve (optional) ............................................................................... 41

5.8 Fitting weather protection hood 09 ............................................................................... 43

5.9 Fitting the Ohio weather protection hood ..................................................................... 48

5.10 Installing the thermal accumulator insert and connecting the fan to the controller ..... 50

5.11 Performing a function test and starting up the ventilation system ................................ 53

5.12 Fitting/removing the inner cover ................................................................................... 54

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inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

6 Operation .................................................................................................................................. 61

6.1 Closing/opening the inner cover .................................................................................. 61

6.2 Removing the inner cover panel .................................................................................. 65

6.3 Toppling the inner cover ............................................................................................... 66

  .................................................................................................... 67

6.5 Removing/installing the thermal accumulator insert .................................................... 70

6.6 Cleaning the thermal accumulator ............................................................................... 73

  ............................................................................................................................ 74

8 Scope of supply ....................................................................................................................... 77

9 Accessories and spare parts .................................................................................................. 79

10 Servicing and maintenance .................................................................................................... 81

11 Troubleshooting and disposal ............................................................................................... 83

12 Warranty and service .............................................................................................................. 85

Company details ..................................................................................................................... 87

6

USER AND SAFETY INSTRUCTIONS

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

1 User and safety instructions

The user and safety instructions section contains basic instructions on how to operate the

inVENTer® iV14 ventilation system safely.

1.1 Safety instructions

Read all the instructions on installation, operation and maintenance of the inVENTer® iV14

ventilation system provided in this section. Also observe any safety instructions that precede the

operating instructions described.

Before working on the equipment/system, read the safety instructions carefully. Failure to

observe safety instructions may cause personal injury and/or material losses.

The safety instructions in these installation and operating instructions are set out in a standard



indicates the level of risk involved. Where several different hazard levels coincide, always follow

the safety instructions for the highest level.

DANGER

Type and source of risk. Immediate risk of serious personal injury.

Possible consequences of the risk!

Action to be taken to avoid the risk.

WARNING

Type and source of risk. Potential risk of serious personal injury.

Possible consequences of the risk!

Action to be taken to avoid the risk.

CAUTION

Type and source of risk. Immediate or potential risk of slight/moderate personal injury.

Possible consequences of the risk!

Action to be taken to avoid the risk.

NOTE

Type and source of an undesirable event or state.

Immediate or potential risk of material losses.

Possible consequences of the event or state!

Action to be taken to avoid the event or state.

In addition to the safety instructions, a TIP symbol indicates practical and useful hints on using

the inVENTer® iV14 ventilation system.

TIP

Useful information to note for installation and operation.

7

USER AND SAFETY INSTRUCTIONS

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

1.2 Intended use



regulations and accident prevention regulations of the Employer's Liability Insurance Association

[Germany] or local equivalent.

Only use the equipment/system for the applications described in this documentation and only in





Trouble-free and safe operation of the equipment/system can only be ensured provided it is

transported, stored and assembled correctly and operated and maintained with care. This

documentation is part of the equipment/system and must be available at all times. Observe all

safety regulations in this documentation.

1.3 Incorrect use

The equipment/system is not suitable for:

 Rooms with corrosive and caustic gases

 

 Drying out buildings

Reliable fan operation is only guaranteed in rooms without polluted air.

The inVENTer®®

iV14 ventilation unit must not be connected directly to the 230 V power supply – it must always

be connected via a controller.

1.4 

The equipment/system may only be installed and operated in conjunction with this

documentation and the controller documentation. Installation, wiring/electrical connection and





persons authorised to install, start up and identify equipment, systems and electrical circuits in

accordance with safety engineering standards.

1.5 General symbols

The following symbols are used in this manual:

Symbol Designation

► Instruction: instructs the operator to carry out an action

ÖÖ Result: the result of carrying out the instructions

Arrows in graphics: show the direction of installation

8

SYSTEM OVERVIEW

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

2 System overview

The inVENTer® iV14 ventilation system is designed for the ventilation of living rooms and

bedrooms in houses and apartment blocks, hotels and B&Bs, rooms in public facilities and





The inVENTer® iV14 ventilation unit comprises a wall sleeve in which a thermal accumulator with

fan is installed, an inner cover and a weather protection hood.

The standard length of the wall sleeve is 450 mm. For thicker walls, there is the option of

ordering a wall sleeve with a length of 650 mm. Both versions can be trimmed on site. For









to adjust the length precisely to the actual length required.

The inVENTer® iV14 ventilation unit is controlled via one of the following inVENTer® system

controllers1):

 ®

The design of the inVENTer®

comply with DIBt approval Z-51.3-156.

Features

 Pleasant room climate in workplaces, living rooms and bedrooms

 Low power consumption

 Can be used for wall thicknesses of 250 to 1050 mm (iV14R/iV14V) or 150 to 249 mm

(iV14V-Ohio)

 



 

 

control (MZ-One®)

Components

 Inner cover

 Thermal accumulator with fan

 Wall sleeve

 Weather protection hood

 

Versions

 iV14V ventilation unit for installation in rooms in new buildings

 

 iV14V-Ohio ventilation unit for wall thickness of 150 to 249 mm

1) The installation and operating instructions for the controller do not form part of this documentation and are supplied separately.

9

SYSTEM OVERVIEW

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

2.1 Layout

Fig. 1: Overview of iV14R/iV14V ventilation units

2

134

12

5

6

7

2

134

8

5

6

7

8

10

9

11

12

10

11

9

1 Interior plaster

2 Inner cover base plate

3 

4 Panel inner cover

5 Wall sleeve

6 Reversible fan

7 Thermal accumulator

8 Weather protection hood base plate/

sleeve for Ohio weather protection hood

9 Weather protection hood cover/

weather protection grille (iV14V-Ohio)

10 

11 Insulation

12 Masonry

iV14V with inner cover V-284x284 iV14R with inner cover R-D290

2

1

4

10

11

12

5

6

7

8

9

2

1

4

5

6

7

8

9

10

12

iV14V with inner cover V-220x200 iV14V with Ohio weather protection hood

10

SYSTEM OVERVIEW

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

Wall sleeves

Fig. 2: Wall sleeves for iV14R/iV14V ventilation unit

1 

2 

Extension set (optional)

Wall sleeve R-D204 extension set Wall sleeve V-177x177 extension set

Fig. 3: 

1 

2 

3 

4 

12

2

1

3

4

11

SYSTEM OVERVIEW

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

Thermal accumulator insert (with fan)

Thermal accumulator insert iV14R Thermal accumulator insert iV14V

Fig. 4: Thermal accumulator with fan

Inner covers

Inner cover V-284x284 Inner cover R-D290

Fig. 5: 

1) 



1

2

1

2

3

4

5

3

4

5

1 Thermal accumulator with insulation

2 Reversible fan

3 Connection terminal for controller

4 Connection terminal for fan

5 Handle

3

1

2

4

3

1

2

4

1 Inner cover panel

2 Spacer

3 Inner cover base plate

4 1)

12

SYSTEM OVERVIEW

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

Inner cover Flair V-233x233 Inner cover V-220x200

Fig. 6: 

1) 



Weather protection hoods

Weather protection hood 09 Ohio weather protection hood

Fig. 7: Weather protection hoods

Weather protection hood 09 is suitable for iV14R and iV14V ventilation units with a wall

thickness of 250 mm or above.

The Ohio weather protection hood is to supplement the inVENTer® iV14V ventilation unit. It



protection hood 09 cannot be used due to the shallow installation depth. The Ohio weather





3

1

2

4

1 Weather protection hood base plate 09

2 Weather protection hood cover 09

3 Sleeve for Ohio weather protection

hood

4 Weather protection grille

3 3

1 1

22

4 4

1 Grundplatte Innenblende

2 Abstandshalter

3 1)

4 Abdeckung Innenblende

13

SYSTEM OVERVIEW

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

2.2 Function

The inVENTer® iV14 ventilation system works on the heat recovery principle by changing the

rotational direction of the fan. The integral thermal accumulator is charged with the heat of the



accumulated heat to the incoming outdoor air (supply air).

To ensure that this principle works correctly and that the volume of supply air matches the

® iV14 ventilation units are required. One ventilation



changes its rotational direction.

Before starting work, you should have a drawing from which the number of ventilation units, their



relevant controllers can be determined. The following basic rules apply to the functioning of the

ventilation units:

Paired operation of the ventilation units: The volume of supply air should match the volume





starting order of the ventilation units. The sequence may need to be changed following start-up



Synchronisation: The ventilation units must be synchronised when using multiple ventilation

units controlled via multiple controllers (see installation and operating instructions for the

controller). All of the controllers should be connected via a mains fuse in the building distributor.

Cross ventilation: A decentralised ventilation system based on the free movement of air

between individual pairs of ventilation units. For this reason, internal doors must not have an



door, unscrewing door hinges by 5 mm, use of a ventilation grille, or other measures.

14

SYSTEM OVERVIEW

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

2.3 Controls

ZR8-Standard/ZR8-Flat controller

Fig. 8: Front view of ZR8 controller

The ZR8 controller is an electronic unit for controlling up to two inVENTer® iV14 ventilation units.

What sets it apart is its easy installation and simple operating concept.

It allows control of the inVENTer® iV14 ventilation system in three modes:

 Heat recovery

 Ventilation

 Pause function (ZR8-Flat only) or OFF (ZR8-Standard only)



ZR8-Flat controller is recommended in rooms where the ventilation unit should not be switched

off in order to maintain ventilation to protect against moisture build-up.

Features

 Control of the ventilation unit in three operating modes.

 

 

 LED display subject to the selected operating mode.

 Synchronisation of multiple controllers.

 Integral thermal circuit breaker.

Versions

There are two versions of the ZR8 controller:

 ZR8-Standard

 ZR8-Flat

Detailed information can be found in the installation and operating instructions for the

ZR8 controller.

1

2

3

4

1 Frame

2 Control unit cover

3 Rotary button

4 Ventilation slots

15

SYSTEM OVERVIEW

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

ZR10-D-Standard/ZR10-D-Flat controller

Fig. 9: Front view of ZR10-D controller

The ZR10-D controller is an electronic unit for controlling up to four inVENTer® iV14 ventilation

units. In terms of operation and functionality, it corresponds with the ZR8 controller.

It allows control of the inVENTer® iV14 ventilation system in three modes:

 Heat recovery

 Ventilation

 Pause function (ZR10-D-Flat only) or OFF (ZR10-D-Standard only)



Use of the ZR10D-Flat controller is recommended in rooms where the ventilation unit should not

be switched off in order to maintain ventilation to protect against moisture build-up.

Features

 Control of the ventilation unit in three operating modes.

 

 

 LED display subject to the selected operating mode.

 Synchronisation of multiple controllers.

 Integral thermal circuit breaker.

Versions

There are two versions of the ZR10-D controller:

 ZR10-D-Standard

 ZR10-D-Flat

Detailed information can be found in the installation and operating instructions for the

ZR10-D controller.

5

1

2

3

4

1 Frame

2 Control unit cover

3 Rotary button

4 Ventilation slots

5 Blanking cover

16

SYSTEM OVERVIEW

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

MZ-One® controller

Fig. 10: Front view of MZ-One® controller

The MZ-One® controller is an electronic control unit for controlling up to 16 inVENTer® iV14

ventilation units. It comprises a programming unit and up to four Clust-Air® modules, which

can each be connected to up to four inVENTer® iV14 ventilation units. As a result, it provides

separate ventilation for up to four different areas (zones) within a residential unit.



menu structure. The software is available in English and German.

For each zone, the operating mode and output level can be set by means of the 7-day timer or

manually. The controller can be used both as a base module and in conjunction with additional





Features

 Intelligent Clust-Air® control for up to four different zones in one residential unit.

 Operated by means of touch-sensitive keys (navigation arrows).

 Backlit display unit.

 Control of the inVENTer® iV14 ventilation system in four operating modes.

 

 Integral temperature-humidity sensor and room temperature display.

 

 Option of connecting other sensors (CO2 sensor, VOC sensor or pressure monitor).

 Operating hours meter

 Filter change reminder

Detailed information can be found in the installation and operating instructions for the MZ-One®

controller.

1

2

4

3

5

inVENTer

MZ-0ne

01.06.2015 12:42

1 Display unit

2 Navigation arrow 

3 Navigation arrow 

4 Navigation arrow 

5 Navigation arrow 

17

PREPARING FOR INSTALLATION

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

3 Preparing for installation

3.1 Dimensions

Designation Depth/

length (mm) Width (mm) Height

(mm)

Dia.

(mm)

Wall openings:

Opening for wall sleeve iV14R



Wall

thickness1) – – 230

Opening for wall sleeve iV14V

(new buildings)

Wall

thickness 210 210 –

Installation elements:

Wall sleeve

R-D204 450 – 1050 – – 204

Wall sleeve

 450 – 1050 177 177 –

Sliding sleeve

 100 – – 210

 100 186 186 -

Weather protection hood 09 23 – 89 279 313 –

Ohio weather protection hood – 230 247 –

Inner cover R-D290 72 – – 290

 672) 284 284 –

 702) 223 203 –

 612) 233 233 –

1) 

2) Open

18

PREPARING FOR INSTALLATION

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

3.2 Dimensioned drawings

Wall openings

Fig. 11: Dimensioned drawing for wall opening iV14R/iV14V

Fig. 12: Dimensioned drawing for wall opening iV14V-Ohio

1) Minimum distance to adjacent components on interior wall

2) 

 250

136

176

210

2501)

4502)

1

4

2

5

3

Ø230

136176

 250

2

1

3

5

2501)

4502)

4

iV14R iV14V

 250

123,5

210

123,5

1

4

2

5

3

2501)

1 Wall opening

2 Position of weather protection hood 09

3 Door/window frame

4 Outer edge of reveal

(insulation with plaster)

5 Bottom edge of reveal (lintel)

1 Wall opening (new building)

2 Position of weather protection hood

3 Door/window frame

4 Outer edge of reveal

(insulation with plaster)

5 Bottom edge of reveal (lintel)

19

PREPARING FOR INSTALLATION

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

Wall sleeves

Fig. 13: 

Fig. 14: 

450

Ø204

4 x M4

3

2

1A - A

A

4 x M4

177

1

3

458

2

A

AA - A

1 Wall sleeve

2 

3 Controller cable recess

1 Wall sleeve

2 

3 Controller cable recess

20

PREPARING FOR INSTALLATION

inVENTer ® iV14R/iV14V ventilation system  Installation and operating instructions

Sliding sleeves

Fig. 15: 

Fig. 16: 

100

2

A - A

Ø210

A

1

1 Sliding sleeve

2 

186

100

A

AA - A

2

1

2

1 Sliding sleeve

2 

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inVENTer iV14V, iV14R Installation And Operating Instructions Manual

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