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Operating Instructions 

 

 

USER MANUAL Model No: 3991 

 

Product Details 

 

 

 

 

 

 

 

 

 

 

Assembly 

Free Standing

 

Before using the heater, the feet must be attached to the unit. 
These are to be attached to the base using the 4 screw provided. 

 
 

 

 

Wall Mounted 

The unit must be mounted so that the flow of hot air is not blocked 
or hindered. The heater itself will become hot, therefore be aware 
of the minimum distances stated in the diagram. 

1.

 

Remove the mounting bracket (1) from the heater by 
unscrewing the mounting bracket screws (2).

 

2.

 

Drill holes in the 
wall and fix the 
bracket to the wall 

tightly. Make sure 
the bracket is 
vertically positioned 

so that the heater is 
not tilted. 

3.

 

Attach the heater to 
the mounting 
bracket by hanging 

it onto the bracket. 
Once in place, 

secure it with the 
bracket screws (2). 

 

 
Operating Instructions 

1.

 

Turn the rotary knob (5) clockwise as far as it will go. 

2.

 

Wait until the heater has warmed up the room to the desired temperature 
and then turn the knob back slowly until the control lamp (4) goes out. 

3.

 

The thermostat is now set at the current temperature and will turn ON when 
the temperature drops below this point, or OFF when above. 

 

 

Care and Maintenance 

 

 

Before cleaning the heater, disconnect the plug from the power supply 

and allow it to cool down fully. 

 

Clean the casing with a damp cloth. Do not use any strong or abrasive 

cleaning materials and do not allow water to reach any internal parts. 

 

Do not immerse the heater in water or any other liquid. 

 

 

Disposal of Unit

 

 
Products bearing the symbol shown above means that used 

electrical and electronic equipment (WEEE) should not be 
mixed with general household waste. For proper treatment, 

recovery and recycling, please take this product(s) to 
designated collection points where it will be accepted free of 
charge.  Disposing of this product correctly will help save 

valuable resources and prevent any potential negative 
effects on human health and the environment, which could 
otherwise arise from inappropriate waste handling.  Please 

contact your local authority for further details of your nearest 
designated collection point. Penalties may be applicable for 

incorrect disposal of this waste, in accordance with your 
national legislation. + 

 

 
 
 

 
 
 
 
 

 
 
 

 
 

 

 

Imported into EU by Oypla.com LLP, Uxbridge, UB8 2FX 

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