Addvent AVC090QETBLV Istruzioni per l'installazione - Pagina 2

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SURFACE FITTING

Select a suitable position for the fan and

cut the 112mm diameter hole for the

discharge duct.

1. Mark the position on the wall for the 255mm

high x 205mm wide surface mounted box, hold

in position and mark the four fixing holes. Care

must be taken to ensure the discharge hole is

the correct orientation to suit the fan when

fitted.

2. Drill and plug the four fixing holes and screw

the surface mount box to the wall (care must

be taken not to over tighten the screws).

3. Bring the power cable into position and ensure

that you allow extra cable protruding to

facilitate connection.

4. Remove the front cover of the fan by first

removing the cover fascia (one screw located

at the top behind the green hole plug – remove

this by gently prying it out with a fine tipped

screwdriver) and then removing the fixing

screw located at the bottom, the cover then

clips off. The chassis is fixed to the surface

mount box by four screws. See diagram 2 for

wiring connections.

DIAGRAM 1

MAINS

SUPPLY

220-240 VAC

50Hz

CEILING

3 POLE

JUNCTION

ISOLATOR

SWITCH

LAMP

PULLCORD

CONTROLLER

RECESSED/FLUSH FITTING

Select a suitable position for the fan and

cut a hole to suit the outlet and a recess

to suit the body of the fan.

1. Vertical Discharge (Usually in the stud work

internal walls) 225mm high x 180mm wide x

120mm deep

2. Horizontal Discharge (Usually cavity external

walls) 225mm high x 180mm wide x 75mm

deep.

3. Position of Discharge hole Care must be taken

to ensure the 112mm discharge spigot is the

correct orientation to suit the recess. Always

check studwork walls to ensure the hole and

recess are between vertical timber studs

•

Bring the power cable into position and ensure

that you allow extra cable protruding to

facilitate connection.

•

Hold the chassis in the recess and mark the

position of the fixing holes. Drill and plug the

four fixing holes and screw the chassis into

position.

•

Refer to Diagram 1 & 2 for wiring connections.

SELV SUPPLY

(12V DC)

FAN

12 VDC LIVE SWITCHED

0 VDC

12 VDC

12v

Ls 0v

12v

ADJUSTING THE FANS SETTINGS

Switch off Mains Supply to the Controller

Remove outer cover panel by removing the green hole plug in the cover, undo the screw, remove cover by

unhooking it, undo the inner cover screw and remove the inner cover.

The smaller Printed Circuit Board has the adjusters on it - see diagram 2 below.

Boost Speed - High or Low - Activated by the Pullcord Switch, Switched Live or Humidity

Slide the top switch to the left for High Speed, to the right for Low Speed.

Humidity Set Point - This will boost the fan from constant trickle to the selected boost speed.

Using a small screwdriver gently rotate the lower adjuster wheel anti clockwise to lower the humidity

level that will make the fan switch from trickle to boost speed, clockwise to raise the level.

Run On Time - This sets the length of time that the fan will continue to run on boost after the Pullcord /

Switched Live or Humidity activation is switched off.

Using a small screwdriver gently rotate the upper adjuster wheel anti clockwise to reduce the time and

clockwise to increase the time.

Green LED - The Green LED will remain on, while either the: Pullcord Switch or Switched Live are

turned on or Humidity Set Level is exceeded. When these are turned off the LED will turn off, the fan will

continue to run on boost until the run on time limit is reached.

DIAGRAM 2

12 VDC - SWITCHED

0 VDC

12 VDC

DIAGRAM 3

OVER RUN TIMER

Adjusting the

fan's settings

BOOST SPEED SELECT

HIGH

LOW

HUMIDITY SET POINT