Vent-Axia SOLO Plus, Installation And Wiring Instructions

PANEL MOUNTING (Flush)

1.  Mark and cut a rectangular hole (190mm x 240mm) through the panel using the back page as a template, 

ensuring that there is sufficient space for the product to be installed and that the filter can be removed for 
maintenance. IMPORTANT: Be careful to avoid joists and hidden cables.  

2.  Removing the Front Assembly [A]. Firstly remove the

Filter [B] (

fig. 2.) 

by squeezing the clips and pulling

. 

Insert 

a small-bladed screwdriver into the slots as shown in figure 3 and push gently to release. Lift the front 
assembly slowly from the bottom edge ensuring not to damage the sensor cable (TM model only) attached to 
the front assembly and Base Housing [C] 

(fig. 3/4/11.).

IMPORTANT: The cable for the PIR sensor (TM 

model only) is not connected as supplied but can be removed by carefully unclipping the cable header 
from the Front Assembly

. 

3.  Remove the Spigot Ring [G] from the inside of the Impeller [D] 

(fig. 5.)

 and clip over the Spigot Adaptor [E], 

making sure the lip on the Spigot Ring locates firmly inside the groove on the Spigot Adaptor 

(Fig. 6.).

 The 

Spigot can be repositioned for side exit installations by removing the screw and sliding the spigot away from 
the rear of the Base Housing, carefully observing the guide rails 

(fig. 8.)

. The Spigot can then be rotated and 

repositioned for side exit using the same guide rails and retaining screw 

(fig. 9.).

 Ensure that the Spigot 

Adaptor is firmly located onto the Base Housing in the required orientation and the shutter is still securely 
fastened and fully functional. 

4.  Remove the Skirt and pass the supplied screw fully through the flange of the base housing. Then attach the 

supplied Panel Clips [F] 

(fig. 10.) 

allowing enough space between the clip and the flange for the thickness of 

the panel (so that the clips can spring open behind the panel).

5.  Set-up the appropriate speed selection and other features as outlined in 

Section B SETUP.

6.  Attach the ducting to the Spigot and locate into the hole in the panel, ensuring the cable is fed into the Base 

Housing and the Panel Clips spring out behind the panel.  

7.  Secure into position by carefully tightening the Panel Clips. It maybe necessary to hold the product centrally in 

the hole while tightening so that no gaps are seen once the cover is on. 

IMPORTANT: If power tools are 

used, set them to the minimum torque setting or preferably use a manual screwdriver. Do not over 
tighten.

8.  Ensure the Impeller rotates freely. 
9.  Select and follow the appropriate wiring diagram in 

Section C WIRING.

10.  Replace the Front Assembly, ensuring that the PIR sensor cable (TM model only) is reconnected to the PIR 

sensor PCB 

(fig. 11.).

11.  Switch the mains power supply on and check the fan is operating correctly. 

IMPORTANT: 

Please note that the T and HT incorporate a switch on delay, which will start the fan after 2 

minutes for the set timeout period. The delay is only activated via the LS and not via the pull-cord or humidity 
sensor (if applicable). If the LS is switched off during the 2 minute period, the fan will remain off.   

WALL MOUNTING (Surface) 

For wall installations a Wall Kit (25 41 02 White / 25 41 00 Brown) can be used.

1.  Cut a 115mm. 

∅

 hole through the wall, ensuring that there is sufficient space for the product to be installed and 

that the filter can be removed for maintenance.  

2.  Insert the wall sleeve with the larger diameter sleeve on the room-side and cement both ends into position flush 

with the wall faces. The wall sleeve should be angled downwards, away from the fan, to allow any 
condensation to drain to the outside wall. 

3.  Outside Grille: Using the Back Plate as a template, mark the fixing hole centres on the wall. Drill and plug the 

wall and fix the Back Plate into position.  

4.  Fix the Outside Grille on to the Back Plate (screws provided). Ensure the louvres are pointing downwards. 
5.  Removing the Front Assembly [A]. Firstly remove the

Filter [B] (

fig. 2.) 

by squeezing the clips and pulling

. 

Insert 

a small-bladed screwdriver into the slots as shown in figure 3, and push gently to release. Lift the front 
assembly slowly from the bottom edge ensuring not to damage the sensor cable (TM model only) attached to 
the front assembly and Base Housing [C] 

(fig. 3/4/11.).

IMPORTANT: The cable for the PIR sensor (TM 

model only) is not connected as supplied but can be removed by carefully unclipping the cable header 
from the Front Assembly

. 

6.  Remove the Spigot Ring [G] from the inside of the Impeller [D] 

(fig. 5.)

 and clip over the Spigot Adaptor [E] 

making sure the lip on the Spigot Ring locates firmly inside the groove on the Spigot Adaptor 

(Fig. 6.).

 Ensure 

that the Spigot Adaptor is firmly located onto the Base Housing and the shutter is still securely fastened and 
fully functional. 

7.  Set-up the appropriate speed selection and other features as outlined in 

Section B SETUP.

8.  Using the back page or the Base Housing [C] as a template, mark the fixing hole centres on the wall, carefully 

sliding the spigot into the Wall Liner. Secure the Base Housing into position using the screws and fixings 
provided ensuring the Skirt [H] is located correctly into the Base Housing 

(fig. 7.).

9.  Ensure the Impeller rotates freely. 
10.  Select and follow the appropriate wiring diagram in 

Section C WIRING.

11.  Replace the Front Assembly ensuring that the PIR sensor cable (TM model only) is reconnected to the PIR 

sensor PCB 

(fig. 11.).

12.  Switch the mains power supply on and check the fan is operating correctly.  

4