Vallox 125 MV Manual Download Page 5

5

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INTRODUCTION

IMPORTANT

Apartment-specific 

ventilation units allows 

residents to adjust the 

ventilation efficiency. 

Ventilation is controlled 

based on the need e.g. 

through the cooker 

hood, ventilation 

control panel, or a 

separate control centre. 

In order to ensure that 

the indoor air presents 

no harm to health and 

remains optimal also 

for the structures of the 

building, 

ventilation 

must be kept on 

without disruptions. 

It is recommended 

that ventilation be 

left turned on during 

long holidays also. 

This keeps the 

indoor air fresh and 

prevents humidity 

from condensing in 

the ventilation ducts 

and structures. It also 

reduces the risk of 

moisture damage. 

NOTE

For the MyVallox Cloud/

Home instructions, 

please go to 

vallox.techmanuals.info/

ValloxMV/ENG/help/

webhelp

IMPORTANT

Prolonged overpressure 

can result in damage 

to the structures of the 

building.

VENTILATION UNIT CONTROL

Ventilation unit control options

Operation of the Vallox ventilation unit can be controlled by the following 

means:

•  Through a MyVallox control panel installed in the building.

•  Through the MyVallox Home local area network connection and the 

MyVallox Home/Cloud user interface.

•  Through the MyVallox Cloud service and the MyVallox Home/Cloud 

user interface.

•  Through a remote monitoring service or building automation that 

uses voltage signals or Modbus messages.

In addition to the integrated humidity and carbon dioxide sensor, 

ventilation can also be adjusted automatically by using the optional 

carbon dioxide, humidity, or VOC (air quality) sensor. When these are 

used, ventilation remains optimal even when the dwelling is unoccupied. 

Each user can use the week clock to adjust the ventilation to fit their 

individual lifestyle. 
The ventilation unit’s integrated humidity and carbon dioxide sensors 

adjust ventilation automatically according to the need. In addition, 

ventilation can be automated by using optional carbon dioxide, humidity 

or air quality (VOC) sensors.

Filter reminder

The unit reminds of the need to change filters in the popup window of 

the compatible MyVallox control panel, in the MyVallox Home/Cloud user 

interface and by changing the relay status, provided that a signal light 

has been connected to the relay connectors and Maintenance reminder 

has been chosen as the relay setting.

The filter reminder can be acknowledged by the following means:

•  from the MyVallox control panel

•  from the MyVallox Home/Cloud user interface

•  with the Vallox Delico PTD EC and Vallox Capto PTC EC cooker 

hoods 

— Push 

 the damper position 

 button four times at less than 

one second intervals, starting from the Damper closed position.

Ventilation unit setup without a control panel

The ventilation unit setup can also be completed without a control panel. 

For instructions, please go to 

https://vallox.techmanuals.info/ValloxMV/ENG/help/webhelp
See instructions provided in the section Connecting the ventilation unit 

to the computer.

Connecting the ventilation unit to the cloud service

The ventilation unit can be connected to the MyVallox Cloud service. The 

cloud service allows for controlling ventilation remotely also, using e.g. 

a smartphone or tablet. Also the unit software is updated automatically 

through the cloud service. To connect to the cloud service, the 

ventilation unit must be connected to the Internet via LAN and registered 

with the cloud service. At the same time you create a MyVallox Cloud 

account for yourself. Read more about the service at www.myvallox.com.

Summary of Contents for 125 MV

Page 1: ...Manual Model Vallox 125 MV Type 3765 Document D11328 Valid from 01 09 2023 Updated 21 09 2023 Ventilation unit MANUAL...

Page 2: ...ilent Klick siphon 9 Space required by the alternative Vallox Silent Klick siphon installation method elbow 9 Measuring and adjusting the air flows of the ventilation unit 9 MAINTENANCE 12 Before begi...

Page 3: ...ctrical installations and connections must be carried out only by an electrician and in compliance with local regulations WARRANTY The guarantee and liability exclude damage resulting from Inappropria...

Page 4: ...sult in death or serious injury if not avoided IMPORTANT Indicates a hazard that can result in damage to property or loss of data if not avoided CAUTION Indicates a hazard that can result in minor or...

Page 5: ...d Each user can use the week clock to adjust the ventilation to fit their individual lifestyle The ventilation unit s integrated humidity and carbon dioxide sensors adjust ventilation automatically ac...

Page 6: ...ply air fan 6a MAIN PARTS Additional heating resistor 6b Safety switch 7a Internal carbon dioxide and humidity sensor 11a Ceiling bushing for electric wires 9a Control panel 10b Carbon dioxide sensor...

Page 7: ...30 mm Note that during mounting the unit rises 10 mm higher than the final height Mount the ventilation unit on the wall with a mounting plate as shown in the figures below Make sure that the unit is...

Page 8: ...500 mm Alternatively the cables can be fed to the rear wall between the ceiling mounting plate and the ventilation unit Lift the ventilation unit up against the ceiling mounting plate by releasing the...

Page 9: ...cts to allow for easier ventilation adjustment NOTE The Vallox Silent Klick siphon package is delivered with the unit Installation instructions for the siphon are enclosed with the packaging and can a...

Page 10: ...4 125 85 230 372 512 299 131 215 522 493 1 2 3 4 1 2 1 2 5 125A 105 601 512 367 224 85 131 299 215 522 1 2 3 4 1 2 125 601 525 L model R model 598 525 51 602 17 26 598 525 51 602 26 17 Duct outlets Th...

Page 11: ...model 125E L model R model 125F L model R model 125D 492 361 236 105 173 384 522 4 3 160 493 2 1 105 492 361 236 105 173 384 522 1 2 3 4 160 122 242 501 381 217 97 522 1 2 3 4 125 493 105 122 242 501...

Page 12: ...e concentration It is recommended that the filters be replaced every spring and autumn or at the very least once a year To replace the filters 1 Disconnect the ventilation unit from the mains electric...

Page 13: ...bottom of the unit 11 Lift the HR cell in place 12 Turn the upper support A against the cell Ensure that the upper support is properly nestled against the cell remains upright 13 Install the extract a...

Page 14: ...e G cable from the connector found in front of the extract fan P Pull the bypass module G out of the unit 7 Remove the plastic nuts used to fasten the fans J 2 per fan Remove the two wing screws I of...

Page 15: ...wer W FAN INPUT POWER TECHNICAL SPECIFICATIONS Product title Vallox 125 MV R Vallox 125 MV L Air volumes Supply air Extract air 111 dm3 s 100 Pa 127 dm3 s 100 Pa Fans Supply air Extract air 0 165 kW 1...

Page 16: ...64 62 58 48 250 74 74 73 71 69 67 65 71 57 68 68 67 66 64 61 58 55 46 500 76 75 70 64 62 60 63 58 43 56 56 54 52 56 49 46 43 30 1000 70 70 67 67 64 61 58 54 43 50 50 48 47 45 42 39 35 24 2000 64 64 6...

Page 17: ...or D I1 Digital input 1 D I2 Digital input 2 11V1 11 1 V operating voltage AN I Analog input 0 10VDC RM I 24V relay input RM O 24V relay output T Supply air fan P Extract air fan M Damper motor TK Saf...

Page 18: ...NTC 4K7 Digital input 1 8 different functions Digital input 2 8 different functions Ethernet connection on top of the unit RJ45 female 0 3W 1 2W 1 W 1 W MyVallox VOC sensor 2W MyVallox control panel M...

Page 19: ...rd MLV control External temperature sensor NTC 4K7 MB_A External Modbus A signal MB_B External Modbus B signal 24V 24V voltage DC GND Digital and analog ground potential RS_A Local hardware Modbus A s...

Page 20: ...ature setting In winter the duct radiator will turn on when the outdoor temperature falls below the winter setting Manual In summer the duct radiator will turn on when the outdoor temperature rises ab...

Page 21: ...alve that is chosen must be compatible with the heat collection circuit fluid for example Danfoss 032U161431 HVAC code 4122110 K Condensing water tube Not included in the delivery IP De aerator Not in...

Page 22: ...2f HR cell bypass damper assembly 4119599 6b Additional heating resistor R handed L handed 4122071 4122072 13a Siphon Vallox Silent Klick 3494701 3a 3c Extract air fan Supply air fan 4120259 7a Safety...

Page 23: ...CONFORMITY CERTIFICATES...

Page 24: ...D11328 21 09 2023FIN 21 09 2023ENG PDF www vallox com Vallox Oy Myllykyl ntie 9 11 32200 LOIMAA FINLAND...

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