Manual TWS
Thermowarm TWS
14
GB
Installation and operating instructions
General Instructions 
Read these instructions carefully before 
installation and use. Keep this manual for 
future reference.
The product may only be used as set out in 
the assembly and operating instructions. The 
guarantee is only valid if the product is used 
in the manner intended and in accordance 
with the instructions. 
Application 
Thermowarm TWS is a series of robust 
convectors with smart control designed 
for industrial and public buildings, such as 
changing rooms, stores and toilets. TWSC 
can also be used in corrosive and aggressive 
environments. TWS200 has a surface 
temperature as low as 60°C, which makes it 
ideal for daycare centres and bathrooms. 
Enclosure class: IP44 (TWSC: IP54). 
Mounting
The appliance is supplied with a pre-installed 
wall bracket for attaching horizontally to the 
wall using four screws. The top two holes 
are “keyholes”. See the dimensions on the 
introductory pages. For minimum distance, 
see diagrams on introductory pages. 
Connection 
TWS is fitted with a 0.6 metre long cord 
without plug and is connected to a junction 
box. The convector is designed for fixed 
installation. 
The installation, which should be preceded by 
an omnipolar switch with a contact separation 
of at least 3 mm, should only be wired by a 
competent electrician and in accordance with 
the latest edition of IEE wiring regulations. 
Thermowarm TWS is switched on using a 
push-button at the rear of the right-hand 
plastic side. See wiring diagrams. 
Replacement of cable 
If the cable is damaged the unit must be 
sent to Frico for replacement. Contact Frico 
Technical Support. 
Start-up 
When the unit is used for the first time or 
after a long period of disuse, smoke or odour 
may result from dust or dirt that has collected 
on the element. This is completely normal 
and disappears after a short time. 
Service, repairs and maintenance 
For all service, repair and maintenance first 
carry out the following: 
1. Disconnect the power supply. 
2. The appliance can be demounted and 
opened by four screws at the rear. 
3. Reinstall. 
Maintenance 
 In all electrical heating appliances, small 
clicks can occur due to movement when the 
material expands and contracts with changes 
in temperature. 
As the components are maintenance-free, no 
maintenance other than cleaning is necessary. 
The frequency of cleaning can vary depending 
on local conditions, although it should be at 
least twice a year. Grilles and elements can be 
vacuum cleaned or wiped using a damp cloth. 
Use a brush when vacuuming to prevent 
damaging sensitive parts. 
TWS200: The surface can be washed using a 
mild soap solution or carpet foam. 
Avoid strong solvents such as acetone 
or similar, as well as alkaline or acidic 
detergents. The plastic end covers must not 
be exposed to oily substances. 
Overheat protection 
The convector is fitted with overheat 
protection. The overheat protection is reset 
by pressing the button located under a 
threaded cover at the side of the heater. See 
the introduction pages. 
Packaging
Packaging materials are chosen with 
consideration to environment and are 
therefore recyclable. 










