XT Series Timer
ChronTrol
26
User's Guide
Inputs (External Activation)
An input is a signal sent to the ChronTrol by an external device or detector. If
your timer is equipped with the N8 Input Option, programs, circuits, or other
inputs can be switched On or Off by the input. When an input is enabled, it
does whatever it's been programmed to do. When an input is disabled, it
ignores what it has been programmed to do. Inputs can be enabled or disabled
by programs, by inputs, or through the keyboard. An input can even disable
itself.
For example, an independent temperature detector can signal a ChronTrol
input (to which it is connected) every time the room temperature exceeds 76°.
This input could then activate an
Interval Program
which would turn an air
conditioner on for twenty minutes. Additionally, an
On/Off Program
could
disable the input to prevent wasting energy outside business hours.
Wiring instructions for the input connector are contained in the
SPECIFICATIONS AND INSTALLATION
sheet included with units equipped
with this option.
Setting Inputs
If your ChronTrol is equipped with the N8 option, you have eight inputs to
use to trigger switching events. The following procedure describes how to set
Inputs.
NOTE
: Input settings do not reduce the number of available programs.
1.
Press
ENTER
.
E–
displays.
2.
Press
INPUT
.
– –
displays.
3.
Type the number (1-8) of the Input you want to set.
– –
n
displays.
4.
Press
CIRCUIT
and a number (1-16).
C–
n
displays. Or
press
PROGRAM
and a number (1-40).
P–
n
displays. Or
press
INPUT
and a number (1-8).
– –
n
displays.
5.
Press
ON
or
OFF
. If you press
ON
, the activity indicator (decimal point)
lights on the display. If you press
OFF
, the activity indicator does not
light.
Repeat Steps 4 and 5 for each item to be controlled. When finished, press
ENTER
followed by
TIME
to return to the Time of Day display.
Содержание XT Series
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