Williams 1773511 - Manual (Page 17)

16
Programmable Timer
The programmable timer allows precise operating and timing control and is standard on this furnace. (Figure 10)
Overview
The programmable timer has the following features:
• Long life lithium battery
• Daily and weekly programs
• One minute minimum switching time
• Quick progression
• Sixteen programs (8 on and 8 off)
• Days of the week and hours of the day selection
• Programmable day blocks: 1-2-3-4-5 (Monday – Friday)
1-2-3-4-5-6 (Monday – Saturday)
1-2-3-4-5-6-7 (Monday – Sunday)
6-7
(Saturday – Sunday)
Figure 10
KEY
A On/Off Switch Pos. I The appliance is controlled by the room thermostat
Pos. AUTO The appliance is controlled by both the timer and the room thermostat
Pos. O The appliance is turned off
Pos.
B Setting / Regulator Switch
Time setting
Pos. RUN Normal operating mode (the display shows the current time)
Pos. Ê Setting of programming
C Program Selection
D Day Selection
E Hours Setting
F Minutes Setting
G SKIP Button
R Reset Button