NOTES: Relay output overrides initiated with
the visograph will automatically time out after
one hour.
The E2 interface may be used to activate fixed or
t
imed overrides. The fixed overrides from E2 will not
time out after one hour.
The DAC will cancel any active E2 init
iated over-
rides if it loses communication with the E2.
To navigate to the Analog Output override screen on
t
he next page, press the RIGHT arrow (T8).
Discharge Air Controller (DAC) Manual Using the Visograph • 41
4. Use the UP and DOWN arrows (T4 and T5),
to change the override state to the desired val-
ue. The choices are Auto, ON, and OFF.
5. Press ENTER to activate the new override
state.
6. Press MENU to go back to main menu
screen.
10.3.1.Analog Output Overrides with
Visograph
From the main menu, press 6 to navigate to the
output override screens. Then press the RIGHT
arrow (next page) to move to the analog output
override screen:
10.3.1.1. To Override an Analog Output
1. Use the UP and DOWN arrows to navigate to
the desired analog output.
2. Press the ENTER key. The field will start
blinking.
3. Use the UP and DOWN arrows (T4 and T5),
to change the override to the desired voltage.
The choices are Auto, ON, and OFF.
4. Press ENTER to activate the new override
state.
5. Press MENU to go back to main menu
screen.
10.3.1.2. To Clear an Analog Output
Override
Change the override value back to 10.1 V
The value 10.1 signifies that the output is not
o
verridden but is under normal control of the
application.
NOTES: Analog output overrides initiated with
the visograph will automatically time out after
one hour.
The E2 interface may be used to activate fixed or
timed
overrides. The fixed overrides from E2 will not
time out after one hour.
Figure 10-8 - Overrides - Relay Outputs
Figure 10-9 - Overrides - Analog Outputs
The DAC will cancel any active E2 initiated
overrides if it loses communication with the E2.
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