Honeywell RTH111 用户手册

2

Turn power off at the heating/cooling system.

Remove old thermostat, but leave wallplate with 
wires attached.

MERCURY NOTICE: Do not put your old
thermostat in the trash if it contains mercury in a
sealed tube. Contact your local waste
management authority for instructions regarding
recycling and proper disposal.

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2.

Do not remove wallplate yet.