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Programmable Thermostat RTH221
3
Simply perform the three steps below and the thermostat is in operation:
1 Set the clock ................................................................................................ See page 6
2 Select whether to heat or cool...................................................................... See page 7
3 Select whether to run the fan continuously or only when needed................ See page 8
Your thermostat is pre-programmed with a daily heating/cooling schedule. If you do not
wish to use these settings, you can:
Modify the schedule ....................................................................................See page 11
Temporarily override the schedule ............................................................. See page 12
Permanently override the schedule............................................................ See page 13
This thermostat is ready to go