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INSTALLING 

THE CABLES

To connect the heater connection or power 

cable to the Alarko by Cosa Heater Unit, you 

must remove the orange cover. Once the 220V 

power cable is installed to Alarko by Cosa Heater

Unit, the power led on the front cover must 

turn on.

HEATER INSTALLATION

To control your heater, you must connect your Cosa 

to the heater’s on/off-type room thermostat 

connection.
If you already have an on/off-type room thermostat 

connected to your heater, you can remove this cable 

extending from your heater to your thermostat and 

connect it to the Alarko by Cosa Heater Unit.

If you don’t have a thermostat connected to your 

heater, continue to the next step for installation 

instructions.

To connect the Alarko by Cosa to your heater, you

must first ensure that both electricity and gas are

turned off. Consult your heater’s user manual or

authorized technical service to install the room

thermostat connection cable to your heater. 

A.

 If wireless internet is available where your heater is located, you can connect 

the Wireless Heater Control Unit to the internet and use the Alarko by Cosa Smart 

Thermostat with batteries, as well.

B. 

If wireless internet isn’t available where your heater is located, 

you must power the Alarko by Cosa Smart Thermostat with

the adapter.

I will use the Alarko by Cosa Smart Thermostat with my Wireless Heater Control Unit. 

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A

B

PLACEMENT

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