Resetting To Default Settings; Resetting The Thermostat (Default Settings); Power Outage - Honeywell RLV4305 Owner's Manual

Resetting the thermostat (default settings)

WARNING: All parameters, except the clock (time and day), return to
their default settings when the thermostat is reset.
1) Press the Mode button until Standby appears on the screen.
2) Press the
3) The thermostat will display rSt (reset) for 2 seconds to indicate it is
reset and will then return to normal display.

Power outage

During a power outage, the thermostat display remains lit for the first 2
minutes. During this time, the LP (low power) indicator appears and all
buttons are disabled. Then the screen turns blank. The settings are
stored in memory. When power returns, the thermostat returns to the
mode of operation preceding the power outage. If the power failure has
exceeded 5 hours, the clock and date must be re-adjusted.
button for 6 seconds.
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RLV4305