ELECTRICAL CONNECTIONS
Terminal Description Wiring Diagram
N Mains Neutral
L Mains Live
COM Common
NO Normally Open Contact
NC Normally Closed Contact
NO contact is used for heating;
NC contact for cooling
Do not restore the mains supply to the system until all associated items are fully installed.
NOTE: All electrical installation work should be carried out by a suitably
qualified Electrician or other competent person. If you are not sure how to install
this thermostat consult either with a qualified electrician, heating engineer or
your boiler / heating system supplier for advice on how to continue.
RT100 INSTRUCTION MANUAL
6
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