Flexit Air handling unit ProNordic L310R Installation guide

INSTALLATION AND MAINTENANCE INSTRUCTION

Air handling unit

ProNordic

L310R ART.NR. 155000

INSTALLATION

INSTRUCTIONS

118228EN-01

2023-04

2

L310R

DANGER!

DO NOT TOUCH

Symbols used

These products bear a number of symbols used for

labelling the actual product and in installation and user

documentation.

Extract air

Outdoor air

Supply air

Exhaust air

DANGER!

ELECTRICITY

EXAMPLE OF NIPPLE LOCATIONS

(shown as a right model)

EXAMPLE OF NIPPLE LOCATIONS

(shown as left model)

INFO! When a text box is this

FRORXULWbPHDQVWKDWLWFRQWDLQV

important information.

i

!

CAUTION! When a text box is this

colour, it means that material

damage may be the consequence

of not following the instructions.

!

DANGER! When a text box is

this colour, it means that a life-

threatening or serious personal

injury may be the consequence of

not following the instructions.

!

NOTICE! When a text box is this

colour, it means that a poor

utilisation ratio or product

operating issues may be the

consequence of not following the

instructions.

3

L310R

!SAFETY INSTRUCTION

• To avoid the risk of fire, electric

shock or injury, read all the safety

instructions and warning texts

before using the unit.

• All electrical connections must

be carried out by qualified

electricians.

• The unit must not be used to

extract combustible or flammable

gases.

• It is the installer’s responsibility to

carry out a full safety and function

assessment of the appliance.

• All electrical power to the unit

PXVWEHVKXWR΍EHIRUHFDUU\LQJ

out service or maintenance,

including cleaning:

1. Switch off the unit in the

following menu on the

handheld terminal:

’Start page > SERVICE SWITCH

> Off’.

2. Wait until the unit has

stopped.

3. Switch off the all-pole switch.

!

• This unit is only designed for

ventilation air in homes and

commercial buildings.

• To maintain a good indoor

climate, comply with regulations

and avoid condensation damage,

the unit must never be stopped

apart from during service/

maintenance or in connection

with an accident.

• The unit must not be operated

without the filters being in place.

• All plumbing work must be

carried out by an authorised

plumber.

• The location of the water battery

must be approved by a plumber

owing to the risk of water leaks.

• This device may be used by

children aged 8 and over,

by people with physical,

sensory or mental functional

impairments and by people who

lack experience or knowledge,

provided that they are supervised

or have been instructed in how

to use the device safely and

have been informed about and

understand any risks.

• Children may not play with the

device.

• Children may not perform

cleaning and user maintenance

without supervision.

• The unit must not be accessible

to unauthorised persons.

i

!

• Check whether the unit’s

operating voltage is 400V or

230V.

• The electric battery must be

configured in accordance with

the operating voltage.

See the following documents for

further information about the

product:

118076 automatic control

instructions

118540 wiring diagram

For spare parts, see www.flexit.com

i

!

This product uses EMC sealings for

the doors. If damage occurs to the

sealing, it must be repaired with

electrically conductive tape.

4

L310R

Our products are subject to continuous development and we therefore

reserve the right to make changes. We also disclaim liability for any printing

errors that may occur.

5

L310R

Contents

1. Items included ..............................................................................................................6

2. Inward transport ..........................................................................................................7

2.1. Transport using lifting straps ...........................................................................7

2.2. Transport using pallet truck .............................................................................7

2.3. Operating the door locks ..................................................................................8

2.4. If a door needs to be removed ........................................................................8

2.5. Dividing the unit.................................................................................................9

2.6. Assemble the unit ........................................................................................... 15

3. Rebuilding the unit models ...................................................................................... 20

3.1. Finalization of right model ............................................................................. 20

 &RQȴJXUDWLRQIRUOHIWPRGHO .................................................................................... 25

5. Assembly ....................................................................................................................33

6. Control cabinet .......................................................................................................... 36

6.1. Wall mounting ................................................................................................. 36

6.2. Mounting to unit ............................................................................................. 37

7. Connection of sensors .............................................................................................. 38

7.1. Supply air sensor (B1) .................................................................................... 39

7.2. Outdoor air sensor (B4) and extract air sensor (B3) .................................. 39

8. Electrical work ............................................................................................................ 40

8.1. Main supply (mains cable) ............................................................................. 40

8.2. Earth-leakage circuit breaker ........................................................................ 40

8.3. Leakage current .............................................................................................. 40

9. Main connection ........................................................................................................ 41

10. Commissioning .......................................................................................................... 42

10.1. Adjustment of throttle dampers ................................................................... 43

11. Referance data .......................................................................................................... 45

11.1. Weight .............................................................................................................. 45

11.2. Space requirements ....................................................................................... 45

12. General drawing ........................................................................................................ 46

13. System drawing ......................................................................................................... 47

14. Dimensioned drawing .............................................................................................. 48

15. Maintenance .............................................................................................................. 49

15.1. General maintenance ..................................................................................... 49

 5HSODFLQJȴOWHUV .............................................................................................. 51

16. Technical data ............................................................................................................ 52

17. Capacity and sound data .......................................................................................... 53

17.1. Supply air side ................................................................................................. 53

17.2. Extract air side ................................................................................................ 53

17.3. Correction factor for Lw ................................................................................. 54

18. Complaints .................................................................................................................55

19. Waste handling .......................................................................................................... 55

20. CE Declaration of Conformity .................................................................................. 56

21. Product and Environmental Declaration ................................................................ 57

6

L310R

1. Items included

118228 - installation and maintenance instructions

118076 - automatic control manual

118540 - wiring diagram

1x

2x1x

1x

2x

4x

7

L310R

!

The unit must must be stored in a

dry environment to avoid damage

to the electronics.

2. Inward transport

2.1. Transport using lifting straps

2.2. Transport using pallet truck

L>2410mm

L<2410mm

1 2

!

Unit and control cabinet are always

to be locked.

8

L310R

2.3. Operating the door locks

1

2

2.4. If a door needs to be removed

The dimensions and component weights for each

individual model, see chap. 11. Referance data page

45.

!

Unit and control cabinet are always

to be locked.

1 2

UNLOCKED LOCKED

1

2

9

L310R

2.5. Dividing the unit

1

2

10

L310R

3

4

a b

11

L310R

5

6

P10

P7

P9

P6

M1-1

M2-1

12

L310R

7

8

13

L310R

9

10

14

L310R

11

15

L310R

1

2

2.6. Assemble the unit

16

L310R

3

4

17

L310R

5

6

18

L310R

7

P7

P9

P10

P6

8

19

L310R

9

a b

10

M1-1

M2-1

20

L310R

1

3. Rebuilding the unit models

Standard, outdoor air right o&DQEHFRQȴJXUHGDVOHIWPRGHO

ALT.

Right model Left model

3.1. Finalization of right model

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Flexit Air handling unit ProNordic L310R Installation guide

Flexit Air handling unit ProNordic L310R Installation guide

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