White Rodgers 1F85ST-0422 User Manual

3

1 “Sistema On” indicates when heating or cooling stage

is energized. “Sistema On +2” indicates when a second
stage is energized.

2   The word Retener (Hold) is displayed when the 

thermostat is in the Retener (Hold) mode. Temporal
Retener (Temp Hold) is displayed when the thermostat 
is in a Retener Temporal (Temp Hold) mode.

3   Displays Cambiar Filtro (Change Filter) when the 

system has run for the programmed fi lter time period as 
a reminder to change or clean your fi lter.

4   Displays “Adjuste” (Set) for setpoint when in Run 

Program mode.

5   Displays System Mode Calor (Heat), Aux (Emer),  

Auto, Frio (Cool), Off or Time in menu mode.

6   Displays Fan Mode (On, Auto) or “Arrancar” in Menu 

7   Displays “Arrancar Programa” (Run Schedule),

“Programa” (Schedule), or “Menu”.

8   Displays “Guardar” (Save) when Cool Savings

is

working.

9

  Displays “Bomba de Calor” (Heat Pump) when system 

is confi gured as Heat Pump thermostat.

10   Displays “Retener” (Hold) in programmable mode when 

not in “Retener” (Hold) mode. Displays Light Bulb in
non-programmable mode.

11   Initially displays “Auto Prog”. If Auto Schedule had

been used or disabled, then it displays “Cool Savings”
when in the Frio (Cool) Mode if Cool Savings has been 
enabled in the menu.

12 “Llamar Servicio” (Call For Service) indicates a fault in 

the heating/cooling system, it does not indicate a fault in 
the thermostat.

7

6

5

11

10

8

4

2

12

3

1

9

SISTEMA
Button

VENT
Indicator

Setting
Temperature

Room
Temperature

Displays the power level of
the 2 “AA” batteries:
 

    indicates good power level

 

    indicates batteries at about

half power. “Cambiar

”

(Change          ) indicates batteries 
are low and should be replaced with 
2 new premium brand “AA” Alkaline 
batteries. (See page 2 for more details)