National Ventilation monsoon MONS100HT Installation And Wiring Instructions Download Page 4

 

4

Open up the internal cover to access 

the spirit level bubble and terminals 

J. 

Children should be supervised to ensure that they do not 
play with the appliance.  

K. 

Stationary appliances not fitted with means for 
disconnection from the supply mains having a contact 
separation in all poles that provide full disconnection under 
over voltage category III, the instructions state that means 
for disconnection must be incorporated in the fixed wiring in 
accordance with the wiring rules. 

L. 

Ensure the grille is fully engaged onto the fan chassis using 
all 4 clips.  
 

DESCRIPTION 

 
MONS100 axial extract fans are suitable for domestic bathrooms and W.C’s. The MONS125 and 
MONS150 axial extract fans are suitable for domestic kitchens and utility rooms. They are available as 
wall or panel/ceiling mounted models with shutter, timer, humidity and PIR combinations. 
 

INSTALLATION 
 
IMPORTANT:

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

PANEL/CEILING MOUNTING 

1. 

For panel/ceiling mounting the fan should be 
installed into a duct protected by an exterior air 
grille that must comply with the standard 
requirements of your country to prevent access 
to the fan’s impeller. 

2. 

Cut a 105mm diameter hole for 100mm fans, a 
130mm hole for 125mm fans or a 155mm 
diameter hole for 150mm fans. 

3. 

Push the two clips on the bottom of the fan and 
pull the grille away from the chassis. 

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. 

After installation, ensure impeller rotates freely 
and the shutters can open. 

6. 

Replace the grille and ensure the clips engaged.  

 

WALL MOUNTING  

1. 

For wall mounting either cut a 115mm diameter hole for 100mm fans, a 140mm hole for 125mm 
fans or a 170mm diameter hole for 150mm fans, through the wall and insert the wall sleeve. 
Slope the sleeve slightly downwards away from the fan. Cut to length and cement both ends 
into position flush with the wall faces.  

2. 

Push the two clips on the bottom of the fan and pull the grille away from the chassis. 

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. Fix exterior grille into position with the louvres 
positioned downwards.  (Note:- The grille must comply with the standard requirements of your 
country to prevent access to the fan’s impeller. The wall kit used in this installation should 

Summary of Contents for monsoon MONS100HT

Page 1: ...100PC MONS100PIR MONS100S MONS100T MONS125HT MONS125S MONS125T MONS150HT MONS150S MONS150T Installation and Wiring Instructions PLEASE READ INSTRUCTIONS IN CONJUNCTION WITH ILLUSTRATIONS PLEASE SAVE T...

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Page 3: ...nsure that the mains supply Voltage Frequency and Phase complies with the rating label D The Fan should only be used in conjunction with the appropriate Monsoon products E The Fan should only be used...

Page 4: ...untry to prevent access to the fan s impeller 2 Cut a 105mm diameter hole for 100mm fans a 130mm hole for 125mm fans or a 155mm diameter hole for 150mm fans 3 Push the two clips on the bottom of the f...

Page 5: ...ely fastened 3 Ensure the impeller rotates and is free from obstructions SETUP WARNING THE FAN AND ANCILLARY CONTROL EQUIPMENT MUST BE ISOLATED FROM THE POWER SUPPLY DURING THE INSTALLATION OR MAINTEN...

Page 6: ...ans also include a built in timer function This gives the fan a fixed over run time of approx 15 mins The timer can be deactivated by removing the Jumper JP1 Fig 6 HUMIDITY SET POINT ADJUSTMENT BEFORE...

Page 7: ...OL 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...

Page 8: ...wdriver to turn the adjuster ANTI CLOCKWISE To INCREASE the operating time use a small screwdriver to turn the adjuster CLOCKWISE FIG 4 TIMER 220 240V 50Hz N L LS 3 AMP MAX Timer Adjustment To REDUCE...

Page 9: ...actory set to low speed with jumper JP2 fitted To activate the high speed setting remove jumper JP2 Timer Function JP1 JP1 to deactivate the timer remove the jumper 15min timer jumper in No timer jump...

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Page 12: ...Please recycle where facilities exist Check with your local authority for recycling advice National Ventilation Stathe Road Burrowbridge Somerset TA7 0RY Website www nationalventilation co uk email in...

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