XT Series Timer
ChronTrol
38
User's Guide
Sample Program 1: Function 1 - Daylight Saving Time
In most cases it is advisable to let ChronTrol handle the change at Daylight
Saving Time automatically every year. However, it may be necessary or
desirable to disable it. Turn Automatic DST on and off as follows:
1.
Press
ENTER
,
FUNCTION
, then
1
.
F–01
displays.
2.
Press
ENTER
. The decimal point lights up if DST is enabled.
3.
Press
ON
or
OFF
to enable or disable the function. The decimal point
lights accordingly.
4.
Press
ENTER
. The function is set and the display shows Time of Day.
You may hit
TIME
to exit from this procedure at any point.
Sample Program 2: Function 2 - Sequence Start
You can specify the rate at which circuits restore to the ON position
following a power failure by setting the value of Function 2 in seconds (up to
99 seconds). The default value is 0 seconds, so all circuits turn back on at
once following a power failure. Adjust the Sequence Start rate as follows:
1.
Press
ENTER
,
FUNCTION
, then
2
.
F–02
displays.
2.
Press
ENTER
. The Sequence Start rate in seconds displays.
3.
Type in the value you want for Sequence Start in seconds, up to 99.
4.
Press
ENTER
. The function is set and the display shows Time of Day.
You may hit
TIME
to exit from this procedure at any point.
Sample Program 3: On/Off Program with Day Omit
Desired effect:
Turn on the heat in building zones 1 and 2 between 6 a.m.
and 6 p.m., Monday through Friday, but zone 2 only on Saturday and Sunday
between 6 a.m. and 4 p.m.
Plan:
Zone 1 is controlled by Circuit #1. Zone 2 is controlled by Circuit #2.
Set Program #1
1.
Press
ENTER
, then
1
.
E–01
displays.
2.
Press
CIRCUIT
, then
1
.
C–01
displays.
3.
Press
CIRCUIT
, then
2
.
C–02
displays.
4.
Press
ON
, then
6 0 0
.
600
displays.
5.
Press
OFF
, then
6 0 0 AM/PM
.
600.
displays.
6.
Press
DAY/OMIT
, then
6 7
. Strokes for Saturday and Sunday display.
7.
Press
ENTER
to store the last entry followed by
TIME
to return to the
Time of Day display.
Содержание XT Series
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