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Owner's Guide
Manual (Man) mode
To place the thermostat in Manual mode, press the Mode
button until Man appears on the screen. In this mode, any
modification to the temperature setpoint must be done
manually. To set the temperature, press the Up or Down
button. The default setting is 70°F (21.0°C).
Away mode
To place the thermostat in Away mode, press the Mode button
until Away appears on the screen. This mode is a quick way to
lower the temperature to a predetermined setting before you go
away for an extended length of time. The temperature is 59°F
(15.0°C) by default and can be modified using the setup menu
(see page 11).
Standby mode
To disable heating, press the Mode button until Standby
appears on the screen. In this mode, the setpoint temperature
cannot be displayed or modified. For frost protection, heating
will turn on only to prevent the room temperature from dropping
below 41°F (5°C).
10
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Questions and answers
The screen went blank all of a sudden, and I checked the fuse box still blank was wondering if there were batteries to change out and how to do it
The Honeywell RLV4305 thermostat does not use batteries. It is powered directly by a 240V line voltage connection.
This answer is automatically generated
Can this be used with a Softheat hydronic baseboard heating system?