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Genvex Optima 100 Opus Operating Instructions Manual

Optima 100 Design

Made by: Genvex
Type: Operating Instructions
Category: Control Panel
Pages: 12
Size: 1.36 MB

 

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Genvex A/S  Sverigesvej 6  DK-6100  Haderslev  Tlf.: +45 7353 2700  www.genvex.dk

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Subject to technical modifications of Optima 100

Table of contents

Page

1. Mounting Design .....................................................3

1.1 Installation of the control panel ................................3

1.2 Mounting ..................................................................3

2. Mounting Opus ........................................................4

2.1 Installation of the control panel ................................4

2.2 Mounting ..................................................................4

3. Operation..................................................................5

3.1 Use and changing of the settings ............................5

3.2 Ventilator Speed ......................................................5

3.3 Filter alarm...............................................................6

3.4 Bypass .....................................................................7

3.5 Electrical Heating.....................................................7

3.6 Restoring the factory settings ..................................8

3.7 Set points’ table .......................................................8

4. Function ...................................................................8

4.1 Extra capacity ..........................................................8

5. Maintenance .............................................................9

5.1 Parts ........................................................................9

5.2 Alarms......................................................................9

5.3 Demounting / taking the system out of operation ....9

6. Troubleshooting ....................................................10

6.1 System does not operate.......................................10

6.2 Fault on the air side ...............................................10

7. Electrical Diagram .................................................11


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3

Subject to technical modifications of Optima 100

1. Mounting Design

1.1 Installation of the control panel

The control panel is designed to be mounted onto a flat 

wall.

1.2 Mounting

Find the location on the wall where you will fix the control 

panel and mark the screw-hole positions. A min. of four 

screws must be used, the two bottommost and the two 

topmost.

Mandatory Screw

Mandatory Screw

Mandatory Screw

Mandatory Screw

Screw

Screw

Hold the wall frame against the wall and mark the 

screw-hole positions. Drilling of holes, hole size and the 

corresponding screws for fixing the panel depend on the 

wall material.

Place the control panel in the fixtures and tilt it in against 

the wall. The four support points in the corner of the 

display must touch the wall to keep the display stable.

A

Support  

Point

Support  

Point

Support  

Point

Support  

Point

Underneath the control panel there is an access for the:

A:  Terminal block. Connection to main circuit board

A low-current cable 8 x 0.25 mm2 must be attached 

between the unit and the control panel. 50 m is the 

maximum cable length. The voltage drop for cable 

lengths over 50 m is too high and can result in unreliable 

operation.

How to mount the wall fixture:

First screw the fixture securely onto the flat wall and pass 

the cable up from below.

Connect the low-current cable to the terminal block. Check 

that the cable is connected to the same numbers at both 

ends. (Between the control panel and the main circuit 

board in the unit.)

Next clip the control panel to the wall fixture by guiding 

it down from above, slightly slanting out at the bottom. 

Finish by pressing in at the bottom so that it sits flat 

against the wall. For demounting: pull the control panel a 

little out at the bottom and lift up.

Pos.

Description

1

Panel housing

2

Front of panel

3

Pressure plate for display

4

Wall fixture

5

Glass for the display


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4

Subject to technical modifications of Optima 100

2. Mounting Opus

2.1 Installation of the control panel

The control panel is designed to be fitted in the opening of 

an Opus type plug socket.

2.2 Mounting

Find the location where the control panel is to be placed 

and connect the lead first then click the control panel in 

place.

A low-current cable 8 x 0.25 mm2 must be attached 

between the unit and the control panel. 50 m is the 

maximum cable length. The voltage drop for cable 

lengths over 50 m is too high and can result in unreliable 

operation. 

Check that the cable is connected to the same numbers at 

both ends. (Between the control panel and the main circuit 

board in the unit.)

The button to the left of the control panel is B3 and the 

button on the right is B5. B4, which we know from the 

Design control panel is, in the case of Opus, just used to 

hold both buttons down, i.e. B3 and B5 together.

3. Operation

All Genvex GE/S Energy and GEU residential ventilation 

units can be operated with the Optima 100 control.

The Optima 100 control has the following settings: 

Ventilator speed, filter alarm, bypass ON/OFF and 

electrical heating ON/OFF.

The control unit is supplied with factory set settings that 

enable the unit to be operated without initially having to 

change the settings. The factory settings are only basic 

settings, which can be changed to suit the operational 

requirements and needs of the building, so that the system 

can be optimally used and operated.

3.1 Use and changing of the settings

Optima 100 Design is operated via the B3, B4 and B5 

buttons. Optima 100 Opus is operated via the B3 and B5 

buttons. With Opus the B4 button enables the B3 and 

B5 buttons to be held down at the same time. The button 

combinations that need to be used to change the ventilator 

speed, reset the filter alarm and switch on/off the bypass 

and/or electrical heating are described below.

1

2

3

4

B3     B4    B5


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5

Subject to technical modifications of Optima 100

3.2 Ventilator Speed

Both ventilators can be set independently of each other, 

so that the airflow at the inlet and outlet are equal, which 

results in optimal operation. Commissioning of the unit 

must be carried out using technical equipment for and 

may be done without the use of a main regulating damper. 

It is not advised to set the airflow without expert help and 

guidance. Incorrect settings can result in increased energy 

use.

You must manually select the ventilation unit’s operating 

level. You can select this with a short press of the button 

B3. 

Choose the ventilation speed:

Level 0 inlet/outlet airflow: LEDs off – 

Standby – cannot be set via the display

Level 1 inlet/outlet airflow: LED D1 on –

Default 25% (can be changed, see below)

Level 2 inlet/outlet airflow: LED D2 on – 

Default 50% (can be changed, see below)

Level 3 inlet/outlet airflow: LED D3 on –

Default 75% (can be changed, see below)

Level 4 inlet/outlet airflow: LED D4 on –

Always operated at 100% and cannot be set

By default the system is always operating. If the unit is to 

be set to Standby, it can only be done via a data logger. 

Alternatively, the unit can be switched off at the main 

switch.

The procedure for setting the ventilator speed to level 

1, 2 and 3 is described below. If no button is activated 

within 100 seconds in the set-up menu, the control system 

automatically returns to the main display.

Level 1 outlet airflow

Level 1 is the lowest speed. This is often used with no-one 

is at home.

To access level 1 from the main display, hold down button 

B3 for more than 10 seconds until LED D1 begins to flash. 

Outlet airflow can now be set to level 1.

If you are already in the ventilator settings menu, just 

press B4 repeatedly until LED D1 begins flashing.

Each press of B3 decreases the outlet airflow by 1%.

Each press of B5 increases the outlet airflow by 1%.

To return to the main display, press button B4 repeatedly 

until all of the LED’s stop flashing.

Level 2 outlet airflow

Level 2 is the recommended operating level for an optimal 

indoor climate and should be commissioned to meet the 

building’s ventilation requirements.

To access level 2 from the main display, hold down button 

B3 for more than 10 seconds until LED D1 begins to flash. 

Press button B4 once more until LED D2 begins flashing. 

Outlet airflow can now be set to level 2.

If you are already in the ventilator settings menu, just 

press B4 repeatedly until LED D2 begins flashing.

Each press of B3 decreases the level 2 outlet airflow by 

1%.

Each press of B5 increases the level 2 outlet airflow by 

1%.

To return to the main display, press button B4 repeatedly 

until all of the LED’s stop flashing.

Level 3 outlet airflow

Level 3 is the highest speed that can be set. It is typically 

used when there are a lot of people, or there is a lot of 

activity in the kitchen.

To access level 3 from the main display, hold down button 

B3 for more than 10 seconds until LED D1 begins to flash. 

Press button B4 twice more until LED D3 begins flashing. 

Outlet airflow can now be set to level 3.

If you are already in the ventilator settings, just press B4 

repeatedly until LED D3 begins flashing.

Each press of B3 decreases the level 3 outlet airflow by 

1%.

Each press of B5 increases the level 3 outlet airflow by 

1%.

To return to the main display, press button B4 repeatedly 

until all of the LED’s stop flashing.

Sucking out

Level 1 inlet airflow

Level 1 inlet airflow is to be adjusted to match the level 1 

outlet airflow.

To access level 1 from the main display, hold down button 

B3 for more than 10 seconds until LED D1 begins to flash. 

Press button B4 three times more until LED D1/D5 begin 

to flash at the same time. Inlet airflow can now be set to 

level 1.

If you are already in the ventilator settings menu, just 

press B4 repeatedly until LED D1/D5 begin flashing at the  

same time.

Each press of B3 decreases the inlet airflow by 1%.

Each press of B5 increases the inlet airflow by 1%.


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6

Subject to technical modifications of Optima 100

To return to the main display, press button B4 repeatedly 

until all of the LED’s stop flashing.

Level 2 inlet airflow

Level 2 inlet airflow is to be adjusted to match the level 2 

outlet airflow.

To access level 2 from the main display, hold down button 

B3 for more than 10 seconds until LED D1 begins to flash. 

Press button B4 four times more until LED D2/D5 begin to 

flash at the same time. Inlet airflow can now be set to level 

2.

If you are already in the ventilator settings menu, just 

press B4 repeatedly until LED D2/D5 begin flashing at the  

same time.

Each press of B3 decreases the level 2 inlet airflow by 1%.

Each press of B5 increases the level 2 inlet airflow by 1%.

To return to the main display, press button B4 repeatedly 

until all of the LED’s stop flashing.

Level 3 inlet airflow

Level 3 inlet airflow is to be adjusted to match the level 3 

outlet airflow.

To access level 3 from the main display, hold down button 

B3 for more than 10 seconds until LED D1 begins to flash. 

Press button B4 five times more until LED D3/D5 begin to 

flash at the same time. Inlet airflow can now be set to level 

3.

If you are already in the ventilator settings menu, just 

press B4 repeatedly until LED D3/D5 begin flashing at the  

same time. Inlet airflow can now be set to level 3.

Each press of B3 decreases the level 3 inlet airflow by 1%.

Each press of B5 increases the level 3 inlet airflow by 1%.

To return to the main display, press button B4 repeatedly 

until all of the LED’s stop flashing.

3.3 Filteralarm

A built-in filter timer measures the amount of time the unit 

has operated since the last filter replacement.

The filter timer can be set between 1-6, which corresponds 

with 1-6 months. It is recommended to initially set the filter 

timer to 3, corresponding to 3 months.

If the filters become too dirty during the set period, you 

can set the filter timer to a lower number of months.

On the other hand, if the filters do not require replacement 

at the end of the set period, you can set the filter timer to a 

higher number of months.

When the filter timer reaches the set period for a filter 

change, LED D5 will begin to flash. When the filters are 

changed, the alarm is reset by holding button B4 down for 

more than 10 seconds, until LED D5 switches off.

The filter timer is set as described below.

1 month

Hold the button B4 down for more than 10 seconds, until 

LED D1 begins to flash.

Then press button B4 to confirm the setting and to return 

to the main display.

2 months

Hold the button B4 down for more than 10 seconds, until 

LED D1 begins to flash.

Then press button B5 once until LED D2 begins to flash.

Then press button B4 to confirm the setting and to return 

to the main display.

3 months

Hold the button B4 down for more than 10 seconds, until 

LED D1 begins to flash.

Then press button B5 twice until LED D3 begins to flash.

Then press button B4 to confirm the setting and to return 

to the main display.

4 months

Hold the button B4 down for more than 10 seconds, until 

LED D1 begins to flash.

Then press button B5 three times until LED D4 begins to 

flash. Then press button B4 to confirm the setting and to 

return to the main display.

5 months

Hold the button B4 down for more than 10 seconds, until 

LED D1 begins to flash.

Then press button B5 four times until LED D1/D5 begin to 

flash. Then press button B4 to confirm the setting and to 

return to the main display.


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7

Subject to technical modifications of Optima 100

6 months

Hold the button B4 down for more than 10 seconds, until 

LED D1 begins to flash.

Then press button B5 five times until LED D2/D5 begin to 

flash. Then press button B4 to confirm the setting and to 

return to the main display.

NB: If there is a filter alarm, the filter timer 

cannot be set. The filter timer must be reset 

first, before, it can be set again.

3.4. Bypass

Systems that are supplied with a bypass can operate in a 

so-called summertime mode. The outlet air is let outside 

the heat recovery circuit in the unit via a valve, so that 

there is no heat recovery. The temperature of the air that 

is let into the house is, thus, not heated, but corresponds 

with the temperature of the air outside.

The bypass function must be manually activated via the 

display. This is done as per the following:

Bypass ON:

Do a short press on button B5, so LED D5 stays on.

Bypass OFF:

If LED D5 is constantly on, do a short press on button 

B5 until D5 turns off. Bypass is OFF, if LED D5 is not 

constantly on.

3.5 Electrical Heating

Electrical heating can either be accomplished by a pre-

heating or post-heating element.

A pre-heating element  ensures that the heat recovery 

circuit does not freeze with very low outdoor air 

temperatures.

A post-heating element further heats the inlet air after 

it has been heated via the heat recovery process in the 

system.

The heating element must be activated manually via the 

display. This is done as per the following:

To activate the menu, hold the button B5 down for more 

than 10 seconds, until LED D1 begins to flash or the LEDs 

D1/D2 flash at the same time.

Electrical heating ON:  

LEDs D1/D2 flash at the same time

Electrical heating OFF:  

LED D1 flashes

Press button B5 for a short period to change between ON 

and OFF. 

Press button B4 to return to the main menu.

3.6 Restoring the factory settings

If the set points that are installed result in the system not 

operating as expected, and the cause cannot be found, 

the factory settings can be restored as follows:

During start-up of the system hold B4 down so that all 

five LEDs are flashing. As soon as all five LEDs stay 

constantly on, the button B4 can be released, and the 

system’s factory settings are restored.

3.7 Set points´ table

Text:

Factory 

settings:

Installed 

settings

1

Inlet airflow rate 1 (0-100%)

25

2   Inlet airflow rate  2 (0-100%)

50

3

Inlet airflow rate  3 (0-100%)

75

4

Outlet airflow rate  1 (0-100%)

25

5   Outlet airflow rate  2 (0-100%)

50

6

Outlet airflow rate  3 (0-100%)

75

7

System Stop

OFF

8

Timer level 4

OFF

9

Timer level 4

3

10 Filter change

3

11 Filter stop

OFF

12 Frost protection

ON

14 Frost protection

1

15 Extra heating

OFF

16 Extra heating

0

17 Menu On

ON

Hard-coded:

Level 4 inlet, 100%

Level 4 outlet, 100%

Hygrostat, as per Optima 250. 


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Subject to technical modifications of Optima 100

4. Function

4.1 Extra capacity

 

Electrical heating:

Bypass is controlled manually by button B5.

Bypass:

Bypass is controlled manually by button B3.

5. Maintenance

For any system controlled by Optima 100, e.g. the Energy 

range, you must check if LED D5 is constantly lit or if it 

flashes. If it flashes, it means that the filters in the unit 

must be changed.

For optimal operation, please observe the following points:

Before opening the unit, turn off the power/ 

unplug the unit and wait until the ventilators 

are completely still.

After the unit has been installed and operating for a couple 

of days, it should be checked if the condensation outlet is 

functioning.

Environmental requirements:

If icing occurs or if the unit is to be demounted, the 

relevant environmental requirements must be followed 

in association with recycling and disposal of the various 

materials according to the regulatory requirements.

5.1 Parts

Filters:

When LED D5 for the filters in the display is flashing on 

the control panel, the filters need to be replaced.

The unit is stopped via the main switch for the system or 

via the data-logger. The filters are replaced and the filter 

timer is reset. If desired, change the filter-replace time 

period in the menu.

It is not recommended to vacuum or use 

air pressure on the filter, as these will 

compromise the filtering capability.

Cutting hazard: The fins have sharp edges. 

The fins must not be damaged.

G4 = Standard Filter (Coarse filter class G4)
F5 = Fine Filter (Fine filter class F5)
F7 = Pollen Filter (Fine filter class F7)

Condensate and condensation outlet:

The condensation outlet 

must be checked for blockages 

and the water trap must be checked for water in 

association with changing filters before autumn begins. 

Pour 1 liter of water in the condensation water tray and 

see if the water drains freely. If the condensation outlet 

does not work, there is a risk of water damage in the 

building.

Ventilators:

Remember to turn off the power before inspecting the 

unit!!

The fan impellers in the ventilator should be checked for 

dirt and contaminants every year.

Demount the front cover on the unit. Clean the ventilators 

with a scrubbing brush, bottle brush or duster. NB. Do not 

remove the balancing weights on the ventilator impellers 

otherwise this will cause imbalance and result in noisy 

operation and wear of the ventilators.

Inlet and outlet air valves:

The valves are to be cleaned using a dry cloth. Ensure 

that the valve does not rotate as this will alter the airflow.

Service:

If you are unable to maintain/service your system, you 

can make a service agreement with the Genvex service 

department. If there is a fault with the system, please 

contact the Genvex service department.

5.2 Alarms

Filter timer:

The control system has a filter timer to ensure the filters 

are replaced regularly and the unit operates optimally. At 

the time when the filter reaches the set value, LED D5 will 

begin to flash in the display until the filters are changed.

5.3 Demounting / taking the system  

out of operation

The following is to be done:

The power must be disconnected from the unit, i.e. the 

electrical cable is disconnected. Take out the condensation 

outlet and electrical cables for any pre or post heating. 

Disconnect leads to the panel and dismantle ducts. 

If the unit is to be taken out of operation, the ducts must 

be dismantled to prevent condensation in the system and 

in the ducts. Close all inlet and outlet air valves.


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9

Subject to technical modifications of Optima 100

6. Troubleshooting

6.1 System does not operate

System stopped:

No light in the display panel even when the button is 

pushed.

Fault:

•  The fuse in the panel has blown – no power to unit.

•  One of the fuses on the circuit board has blown.

•  Loose cable, no power to the unit.

•  Loose cable between the unit and the operating 

panel.

•  “Filter fault” on the unit.

Condensate runs out of the unit:

Fault:

•  Condensation outlet blocked with dirt and 

contaminants.

•  No water in water trap.

•  No condensation on the ground due to frost.

•  The outlet is not sufficiently protected against frost.

6.2 Fault on the air side

No inlet air to residence’s rooms.

Fault:

•  Defective ventilator.

•  Blocked filter.

•  Dirt and leaves in the fresh air vent in Autumn or 

snow and ice in Winter.

•  Control circuit fuse has blown.

No outlet air from wet rooms.

Fault:

•  Defective ventilator.

•  Blocked filter.

•  Exhaust vent / roof cap is blocked with ice and snow 

in the Winter.

Cold inlet air:

Fault:

•  The counter flow heat exchanger is blocked with dirt 

or ice.

•  The extract air ventilator is defective.

•  The exhaust air filter is blocked.

If the fault is not stated above, please contact the person 

who installed the system or the GENVEX customer 

centre.


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10

Subject to technical modifications of Optima 100

7. Electrical Diagram

Electrical Heater/Preheater

230V

230V

230V

230V

Sensor Heater/Preheater

Connection

for Dataloging

Genvex

Hygrostat

Potentialfree

Contact

Must be used

Sensor Exhaust air

EC-Fan

Exhaust

Max 1,0A

EC-Fan

Supply

Max 1,0A

EC-Fan

Supply

Max 1,0A

EC-Fan

Exhaust

Max 1,0A

Mains

1x230VAC, 50Hz

 MAX Fuse 10A

Must be connected

to earth

Yell/Green

Yell/Green

Brown

Brown

Blue

Blue

Blue

Blue

Blue

Yellow

Yellow

Yellow

Red

+5V

GND

+5V

1

2

1

2

L1

1

2

3

1

2

3

1

2

3

4

1

2

3

4

L2

1

2

3

4

5

6

7

8

1

2

3

4

5

6

7

8

L3

1

2

1

2

H1

1

2

1

2

H3

1

2

1

2

H7

1

2
3

1

2
3

H8

1

2

1

2

H9

L1

M1

M2

M4

N

PE

PE

PE

T1

90°C

manu

PEPE

LL

NN

PEPE

T4

T9

M1

M2

1

2

3

4

1

2

3

4

L6,1

5

6

7

8

5

6

7

8

L6,2

1

1

1

1

1

1

1

1

1

1

2

2

2

2

2

2

2

2

2

2

3

3

3

3

3

4

4

4

4

5

5

5

6

6

7

7

8

8

L1

L2

L3

L6

H3

H7

H8

H9

ES951

PE

PE

R2

R4

Q

1=

1,

6A

H1

L4

R3

R1

1

1

1

1

1

1

1

1

1

1

2

2

2

2

2

2

2

2

2

2

3

3

3

3

3

4

4

4

4

5

5

5

6

6

7

7

8

8

21

22
23

24
C1

C2

C3

C4

OPTIMA 100 DESIGN

K3

K4

K5

21

22
23

24
C1

C2

C3

C4


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11

Subject to technical modifications of Optima 100


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world wide ...

Billund

Copenhagen

Hamburg

Intelligent ventilation systems 

from Genvex A/S

As ventilation specialists, we offer a product range that covers 

all aspects of modern ventilation equipment, from passive ven-

tilation units with highly effective counter current heat exchan-

gers to units with integrated heat pumps that are extremely 

energy-efficient for heating and cooling.

Published by Genvex A/S, Sverigesvej 6, DK-6100 Haderslev

Denmark 

Genvex A/S 

DK - 6100 Haderslev 

Tel.: +45 73 53 27 00 

Fax: +45 73 53 27 07 

E-Mail: salg@genvex.dk 

Belgium

Artiklima bvba 

B - 9220 Hamme 

Tel.: +32 (0) 52 41 25 41 

Fax: +32 (0) 52 41 29 66 

E-Mail: info@artiklima.be 

Ireland

 

ECO Systems Ireland Ltd 

Co. Antrim BT54 6PH 

Tel.: (UK 028) (ROI 048) +44 2076 8708 

Fax: (UK 028) (ROI 048) +44 2076 9781 

E-Mail: info@ecosystemsireland.com 

Croatia 

Pichler & CO d.o.o. 

10000 Zagreb 

Tel.: + 385/ (0) 1/ 65 45 407 

Fax: + 385/ (0) 1/ 65 45 409 

E-Mail: pichler@zg.hnet.hr 

Slovenia 

Pichler & CO d.o.o. 

2000 Maribor 

Tel.: +386/ (0) 2/460 13 50 

Fax: +386/ (0) 2/460 13 55 

E-Mail: pichler@pichler-co.si 

Great Britain 

Total Home Environment Ltd 

GB- Moreton in Marsh, GL 56 0JQ 

Tel.: +44 (0) 845 260 0123 

Fax: +44 (0) 1608 652490 

E-Mail: genvex@totalhome.co.uk 

Austria

J.Pichler Lufttechnik GmbH 

A-9021 Klagenfurt 

Tel.: +43 (0) 463 / 3 27 69 

Fax: +43 (0) 463 / 3 75 48 

E-Mail: office@pichlerluft.at