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The ICY3710 Power Converter is used in situations where the thermostat can-
not be directly connected to the boiler. This is the case with deviated switch-
ing voltages and in situations where the boiler is not able to provide power 
to the thermostat. The Power Converter provides power to the thermostat. 
The boiler is switched non-polar.

Unplug the boiler from the electrical outlet. 

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The Power Converter has two sliding plugs and are marked with the letters 
“CV” and “TH’. 

Connect the wire from the thermo-

• 

stat to the connectorblock, marked 
“Th”. This is probably originated 
from the wall. The polarity (plus or 
minus) is not important. 

Connect the wire coming from the 

• 

Onn/Off switch in the boiler in the 
connector block marked “CV”. 
Again, no need to observe polarity. 

Plug the Power Converter into the 

• 

outlet by the boiler. You may use 
the same outlet as the boiler. 

Connect the boiler again. The boiler plug can be plugged into the Power 

• 

Converter or in any other available outlet. 

Introduction

Installation

CV       Th

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