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MOUNTING ON THE WALL

NOTE

Avoid mounting the unit on a hollow, echoing partition wall or 

on a bedroom wall, or prevent the conduction of sound.
The minimum distance between the top of the unit and the 

finished ceiling surface is 30 mm. Note that during mounting the 

unit rises 10 mm higher than the final height.

Mount the ventilation unit onto the wall with a mounting plate 

(optional), as shown in the figures below. Make sure that the unit is 

horizontally level after mounting.

MOUNTING ON THE CEILING

Vallox 99 MV can be equipped with an optional ceiling mounting plate. 

To attach the ceiling mounting plate:

•  On rafter frames or other frame structure with M8 thread bars so 

that they withstand the weight of the unit.

•  Ensure that the installation plate is horizontally level, as this 

determines the position of the unit.

•  The top edge of the white covering strip of the ceiling mounting 

plate can be installed against the ceiling. Alternatively, a concealed 

mounting method can be used, in which case the ceiling can be 

30 mm below the top of the white covering strip. 

Insulate the ducts against condensation also between the unit and the 

ceiling mounting plate.

Mounting the ceiling mounting plate

1.  Fasten the thread bars on the rafter frames or other frame 

structure, and screw the nuts (E) onto the bars.

2.  Lift the ceiling mounting plate in place.

3.  Push a rubber damper (F) and a washer (G) to each thread bar.

4.  Adjust the nuts so that the ceiling mounting plate is level.

5.  Shorten the lower ends of the thread bars so that they are no more 

than 5 mm below the nuts. 

CAUTION

The ventilation unit is very heavy. Do not perform this 

procedure alone.

 INSTALLATION

INS
TALLA
TION

NOTE

When installing the unit, 

reserve a space of at 

least 500 mm in front 

of the unit for servicing 

purposes.

NOTE

Mount the ventilation 

unit in a place where 

the temperature does 

not fall below +10°C.

Summary of Contents for 99 MV

Page 1: ...Manual Model Vallox 99 MV Type 3755 Document D10813 Valid from 01 01 2022 Updated 19 06 2023 Ventilation unit MANUAL...

Page 2: ...he Vallox Silent 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 Dimensions and...

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: ...ed 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...

Page 6: ...supply air fan 8 R model in the figure MAIN PARTS Additional heating resistor 9 Safety switch 10 Internal carbon dioxide and humidity sensor 11 Ceiling bushing for electric wires 12 Control panel 13 C...

Page 7: ...The top edge of the white covering strip of the ceiling mounting plate can be installed against the ceiling Alternatively a concealed mounting method can be used in which case the ceiling can be 30 m...

Page 8: ...x can be accessed The distance between the service door and the ceiling mounting plate must be around 500 mm Alternatively the cables can be fed to the rear wall between the ceiling mounting plate and...

Page 9: ...ing tubes These can be inserted in the ducts to allow for easier ventilation adjustment NOTE The Vallox Silent Klick siphon package is delivered with the unit Installation instructions for the siphon...

Page 10: ...re mirrored 8 Post heating resistor in front of the supply air fan 9 Additional heating resistor 10 Safety switch 11 Internal humidity and carbon dioxide sensor 12 Ceiling bushing for electric wires D...

Page 11: ...oncentration 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 electricity...

Page 12: ...e HR cell in place 13 Turn the upper support against the cell Ensure that the upper support is properly nestled against the cell remains upright 14 Install the extract air filter C and the supply air...

Page 13: ...r feedthrough K L through the intermediate floor and to the bottom part of the unit 7 Remove the plastic screws used to fasten the fans I 2 per fan Remove the wing screws J 2 pcs of the post heating r...

Page 14: ...7 31 33 36 38 38 4000 19 26 35 41 45 50 52 54 56 57 17 17 17 18 20 23 26 28 30 31 8000 21 21 23 28 33 39 43 46 48 49 21 21 21 21 21 21 22 22 23 24 LW dB LWA dB A 63 64 67 70 73 80 77 82 80 81 53 53 59...

Page 15: ...r connector 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 mot...

Page 16: ...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 MB_A External Modbus A s...

Page 17: ...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 18: ...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 19: ...alve Not included in the delivery The valve that is chosen must be compatible with the heat collection circuit fluid for example Danfoss 032U161431 K Condensing water tube Not included in the delivery...

Page 20: ...ly 4115315 22 Connection box 3526700 5 Coarse and fine filter for supply air 4114075 14 Additional heating resistor 4115412 23 MyVallox Control panel MyVallox Touch panel 949033 949090 6 Damper motor...

Page 21: ...CONFORMITY CERTIFICATES...

Page 22: ...22...

Page 23: ...23 Vallox Oy All rights reserved...

Page 24: ...D10813 19 06 2023FIN 19 06 2023ENG PDF www vallox com Vallox Oy Myllykyl ntie 9 11 32200 LOIMAA FINLAND...

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