Robertshaw RS4110 User Manual download pdf (Page 9)

Backlit Display

This thermostat is equipped with a backlight to make viewing the display

easy. Press the button to activate the backlight. The backlight will

turn off after 10 seconds of inactivity. If the thermostat is wired to have

the backlight stay on all the time the night light can be turned on/off in

the settings menu.

Automatic Shut-Down

The thermostat will not display the room temperature if the temperature

goes higher than 99°F (37°C) or lower than 32°F (0°C).

The display will show HI or LO. The thermostat continues to control

heating and cooling and will resume the display of real time information

when the room temperature is back inside the display’s range.

Setting The Fan To ON, AUTO or CIRC

The fan has 3 settings: On, Auto, or Circ. Press the button to switch

among the three.

ON: The fan is on constantly. The status of the heating/cooling equipment

has no effect on the fan.

AUTO: Whenever there is a call for heating or cooling the fan will turn on.

CIRC: The fan operates in a cycle of on for 10 minutes and off for 20

minutes. Whenever there is a call for heating or cooling the cycle

stops and the fan responds to the call. The fan circulation resumes

when the call for heating or cooling is satisfied.

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Robertshaw RS4110 User Manual Page 9