Programmable Timer

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

AOn/Off Switch

BSetting / Regulator Switch

CProgram Selection

DDay Selection

EHours Setting

FMinutes Setting

GSKIP Button

R

Reset Button

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.

Time setting

Pos. RUN

Normal operating mode (the display shows the current time)

Pos.

Setting of programming

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Williams 1773511, 1773512 installation instructions Programmable Timer, Overview