White Rodgers 1F90W-51 - Manual (Page 10)

10
Used to initiate or review thermostat pro-
gramming.
Used to start program operation after pro-
gramming. Also used to return thermostat
to program operation after being in HOLD
mode.
Used to manually override programming to
hold at a selected temperature (when HOLD
is displayed).
Used to advance thermostat program to the
next program period (for example, from the
MOR program to the DAY program).
(Red arrow) Raises temperature setting
(99
°
F or 37
°
C maximum).
(Blue arrow) Lowers temperature setting
(40
°
F or 4
°
C minimum).
The red indicator light glows whenever heat-
ing, cooling, or fan are in operation.
The Thermostat Buttons
Sets the system mode (HEATing, OFF, or
COOLing).
Selects fan operation (see #6, above). This
button is also used to program the fan to run
continuously during a program period.
Runs display forward or backward through
time, day, or anticipation settings during
programming.
Used with TIME
FWD
and TIME
BACK
to set current
time.
Used with TIME
FWD
and TIME
BACK
to set the current
day of the week. Also used in conjunction
with SET
CLOCK
to enter anticipation setting mode.
7
8
9
10
11
12
13
14
15
16
17
18