Vent-Axia NBR DMEVe 100 Instrucciones de montaje

100mm & 125mm

CONTINUOUS EXTRACT FAN RANGE

Installation and Wiring Instructions

Stock Ref. N°

474496A - NBR DMEVe 100

474497A - NBR DMEVe 100 HT

495364 - NBR DMEVe 125

495365 - NBR DMEVe 125 HT

PLEASE READ INSTRUCTIONS IN CONJUNCTION WITH ILLUSTRATIONS.

PLEASE SAVE THESE INSTRUCTIONS.

NBR DMEVe

IPX5

220-240V~50Hz

Installation and Wiring Instructions for the NBR DMEVe Range of Extractor

Fans.

IMPORTANT:

READ THESE INSTRUCTIONS BEFORE COMMENCING THE

INSTALLATION

DO NOT install this product in areas where the following may be present or

occur:

•Excessive oil or a grease laden atmosphere.

•Corrosive or flammable gases, liquids or vapours.

• Ambient temperatures higher than 40°C or less than –5°C.

• Possible obstructions which would hinder the access or removal of the Fan.

SAFETY AND GUIDANCE NOTES

A. All wiring to be in accordance with the current I.E.E.

Regulations, or the appropriate standards of your

country and MUST be installed by a suitably qualified

person.

B.The Fan is suitable for installation within Zones 1 & 2.

C.The Fan should be provided with a local isolator switch

capable of disconnecting all poles, having a contact

separation of at least 3mm.

D. Ensure that the mains supply (Voltage, Frequency, and

Phase) complies with the rating label.

E. The Fan should only be used in conjunction with the

appropriate Vent-Axia products.

F. The fan should only be used in conjunction with fixed

wiring.

G. When the Fan is used to remove air from a room

containing a fuel-burning appliance, ensure that the air

replacement is adequate for both the fan and the fuel-

burning appliance.

H. The Fan should not be used where it is liable to be

subject to direct water spray for prolonged periods of

time.

I. Where ducted Fans are used to handle moisture-laden

air, a condensation trap should be fitted. Horizontal

ducts should be arranged to slope slightly downwards

away from the Fan.

J. This appliance is not intended for use by persons

(including children) with reduced physical, sensory or

mental capabilities, or lack of experience and

knowledge, unless they have been given supervision or

instruction concerning use of the appliance by a person

responsible for their safety.

K. Young children should be supervised to ensure that

they do not play with the appliance.

DESCRIPTION

The NBR DMEVe fan is a continuously running extract fan for kitchens,

utility rooms, bathrooms and toilets.

The product incorporates an airflow detection system that detects the

installation duct resistance and maintains the correct fan speed to

achieve the preset extract flow rate.

The incorporated LED display allows the installer to configure the fan to

suit its installation.

The fan can be wall, window (100mm only) or panel/ceiling mounted.

ACCESSORIES (not supplied)

WALL FITTING KIT - A range of white (stock ref. 254102), brown

(stock ref. 254100) 100mm wall kits & White (Stock ref. 455226)

125mm wall kits are available for installing into most walls using

telescopic liners supplied.

WINDOW KIT stock ref. 407927 (100mm only)

CEILING KIT stock ref. 407928 (100mm only)

150mm CONVERSION KIT stock ref. 408680 (100mm only)

Decoration Frame stock ref. 474041 (100mm only)

Open up the internal cover to access

The spirit level bubble

A. INSTALLATION

PANEL/CEILING/ INTERIOR WALL MOUNTING

1. Cut a 107mm diameter hole (100mm

fans) or a 130mm hole for (125mm

fans).

2. Remove the front panel by carefully

pulling it away from the fan. Loosen

the two self-retaining screws and

remove the inner grille by carefully

pulling it away from the housing.

3. Using the built in spirit level bubble

as an aid. Mark the screw centres

through the holes in the fan back

plate. Drill, plug and screw into

position. Attach ducting as required for

the installation.

4. Wire the fan as described in Section B-Wiring. Adjust any settings

as required (see Section C-Setup).

5. After installation, ensure impeller rotates freely.

6. Replace the inner grille and tighten the retaining screws.

7. Replace the front panel.

EXTERIOR WALL MOUNTING

1. For wall mounting cut a 117mm diameter hole (100mm fans) or a

140mm hole (125mm fans) through the wall and insert the wall

sleeve. Slope the sleeve slightly downwards away from the fan.

Where necessary cut to length and cement both ends into position

flush with the wall faces.

2. Fix exterior grille into position with the louvres positioned

downwards.

3. Remove the front panel by carefully pulling it away from the fan.

Loosen the two self-retaining screws and remove the inner grille by

carefully pulling it away from the housing.

4. Using the built in spirit level bubble as an aid. Mark the screw

centres through the holes in the fan back plate. Drill, plug and

screw into position.

5. Wire the fan as described in Section B-Wiring. Adjust any settings

as required (see Section C-Setup).

6. After installation, ensure impeller rotates freely.

7. Replace the inner grille and tighten the retaining screws.

8. Replace the front Panel.

WINDOW MOUNTING (100MM ONLY)

For window mounting refer to the instructions provided with the kit.

B. WIRING.

WARNING: THE FAN AND ANCILLARY CONTROL

EQUIPMENT MUST BE ISOLATED FROM THE POWER

SUPPLY DURING INSTALLATION OR MAINTENANCE.

IMPORTANT

The cross - sectional area of supply cord used should be ranged

from 0.75 -1.5mm2.

The extraction fan is suitable for connection to 220-240V 50Hz

supply.

The fan is a class ll double insulated product and MUST NOT be

earthed.

1. Select and follow the appropriate wiring diagram.

(Fig. 1, 2, 3)

2. Check all connections have been made correctly and ensure all

terminal connections and supply wires are securely fastened.

(Fig. 4)

3. Ensure the impeller rotates and is free from obstructions.

C. SETUP

Accessing the commissioning menu

To configure the fan first remove the grille. With the grille removed the

control buttons are visible (Fig.4). Do NOT isolate the fan from the power

supply as configuration requires power to the fan.

IMPORTANT

Do NOT attempt to remove the circuit board cover (Fig.4).

This covers the high voltage power supply, preventing the

risk of an electric shock.

Display modes

When first powered on, the display will run through an initialisation

sequence.

When a button is pressed, the display will go into the menu system.

A button will need to be pressed again if the menu has 30 seconds of

inactivity (i.e. no button presses).

When activating the menu, the initial button push will not change any

settings.

Prism Mode

When the controller is in ‘prism mode’ the display will be mirrored such

that the characters are shown correctly when viewed through the prism

fitted in the fan cover.

When activated, prism mode will run for 15 minutes, then cycle between

displaying:

Airflow rate

Estimated duct pressure (ifCV/F‐2modeenabled)

Current RH% (HT models only)

Calibration process will run after the first 15 minutes (if CV / F-2 mode

enabled); see Advanced settings for further details.

If the buttons are pressed the display menu will become activated. If the

buttons are not pressed for 30 seconds another button will need to be

pressed to re-activate the display menu.

The (Up) button is used to increase the value of

a setting, the (Down) button is used to reduce

the value of a setting and the (Mode/Set) button

is used to advance to the next menu item.

The fan has the following ‘menu’ modes:

Standard (press any button from normal runtime - )

Advanced/Engineer (hold + for 5 seconds from the standard

menu)

Standard settings:

Display

text

Configuration

Option

SelectionsDefault



Rotatedisplayr‐Y=displayrotatedr‐n=displaynormalr‐n



Tricklespeed

adjustment

NBRdMEVe100mm‐6l/s,7l/sor8l/s6l/s

NBRdMEVe125mm‐9l/sor10l/s9l/s



Boostspeed

adjustment

NBRdMEVe100mm‐13l/sor14l/s13l/s

NBRdMEVe125mm‐13l/s,14l/sor15l/s15l/s



BoostOverrun

time

b0tob30–0to30minutes

(0disablesoverrun)

15



Humiditylevel

trigger

h40toh90‐40%to90%relativehumidity70%RH



FanControl

Mode

F‐0=CVdisabled,

wall/window

installation

F‐1=CVdisabled,

ductedinstallation

F‐2=CVConstant

Volumeenabled

F‐0



Comfortmodec‐n=normalLSoverrunc‐Y=comfortmodec‐n

*If “0” is selected, the fan switches to Intermittent mode.

Advanced settings:

DisplaytextConfiguration

Option

SelectionsDefault



RHAmbient

Response

A‐YAmbientResponse

enabled

A‐nAmbientResponsedisabledEnabled

RHRapid

Response

enable

p‐Y=RapidResponseenabledp‐n=RapidResponsedisabledY

Settings

Speed selection

Set trickle and boost speeds in l/s by using the and buttons.

To convert m3/h to l/s, divide the m3/h by 3.6 (e.g. 54m3/h / 3.6 = 15 l/s).

The Trickle Speed cannot be higher than the Boost selection. Therefore

it might be necessary to modify the Boost selection before increasing the

Trickle setting.

If “0” is selected for the trickle speed, the fan will be off until a boost

signal is activated (for example via LS/humidity).

Boost time

The boost setting allows the boost timer to be adjusted from 1-30

minutes, the default is 15 minutes. This option may also be disabled,

thus removing the option from the menu and setting the overrun to 0.

Inbuilt Ambient Response Humidistat with Rapid Rise Detection

The humidity threshold setting defines at what relative humidity the fan

will trigger, adjustable from 40% to 90% rH. The fan increases in speed

slowly between the trickle and boost speeds between the trigger %rH

and +10%. The trigger point will automatically adjust if the temperature

drops below 18C to prevent nuisance triggering.

The fan also incorporates a rapid rise function to detect rapid rises in

humidity when the ambient %rH is under the threshold setting. If a rapid

rise is detected the fan will increase in speed proportionally between the

trickle and boost settings until the humidity lowers again.

Comfort mode

With comfort mode disabled, the fan will go into boost as soon as an

LS (Light Switch) input is detected and over-run for the set period

after LS is disconnected.

With comfort mode enabled, the fan will remain off / in trickle up to a

maximum of 20 minutes. Once LS is deactivated, fan will run at

boost mode for the length of time LS was present up to a maximum

of 20 minutes plus the set over-run time.

If the LS was activated for < 3 minutes, no boost will occur to

prevent nuisance activations.

Fan Control Mode

There are 3 modes for fan speed control. Wall, ducted and constant

airflow/ volume (CV) mode (CV - Pro models only). In wall or ducted

mode, the fan speeds are pre-determined at the factory and does not

use the airflow sensor.

In CV mode (Constant Airflow/Volume), the fan will automatically adjust

the fan speed to maintain the desired airflow. After the first 15 minutes of

operation the fan enters calibration mode to determine the most efficient

mode of operation.

Calibration Reset

In some circumstances it may be necessary to reset the calibration

settings (if the fan was covered to prevent dust/damage/or poor weather

outside).

Reset the calibration by configuring the fan for wall or duct mode (F-0 or

F-1), turn the product off and on and re-configure back to CV mode

(F-2). The fan will calibrate after 15 minutes.

Calibration

The airflow sensor is calibrated at the factory using UKAS accredited

equipment. Details of the equipment and certification can be found on

the inside of the fan.

D. SERVICING AND MAINTENANCE

WARNING: THE FAN AND ANCILLARY CONTROL

EQUIPMENT MUST BE ISOLATED FROM THE POWER

SUPPLY DURING MAINTENANCE.

1. At intervals appropriate to the installation, the fan should be inspected

and cleaned to ensure there is no build-up of dirt or other deposits.

2. Wipe the inlets and front face with a damp cloth until clean.

Be careful not to push dirt into the airflow sensor.

The fan has sealed for life bearings, which do not require

lubrication.

Siting

the

fan.

 

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