Technical Guide
CN-IC1-12
Title
:
i-Controller Visograph Navigation REV.201.05
EXTERNAL
40
1-5JULY2021
Other Overrides
From the either the Input or Output Overrides screen,
press T3 Other Ovrr to access
‘Other Overrides’
.
The “
Other
Overrides” screen is
used to set specific input
and output values for diagnostic testing. To place an
override on a specific variable, first the override needs to
be turned on and then the desired value is adjusted (i.e.
Cond Fan 1: ON, Cond Fan 1 Val: ON will force Condenser
Fan 1 ON).
These overrides are not timed and will remain in the
controller until they are manually removed.
To override an input or output value:
1.
Using the
and
buttons (T4 and T6,
respectively) navigate to the value that you wish to
change.
2.
Once the value is highlighted, press the
(T5)
button and the value should blink.
3.
Using the
and
buttons increase and
decrease the value as desired.
4.
Once the desired value has been reached press the
button to set the value.
5.
Use the
(T7) and
(T8) buttons to navigate
to the second page if more than 4 exhaust fan
interlocks exist on the unit.
6.
Repeat steps 1-4 until all desired values have been
updated.
7.
Once testing is complete and you would like to
clear all overrides, turn the “Clear All Overrides:”
value located on page 1 ON. This value will
automatically turn OFF after a specified time.
8.
Once all changes have been completed, press the
(T1) button to return to the QA Menu.
Figure 11820. Overrides screen
Figure 11921. Other Overrides screen 1
T1: Go to QA Menu
T2: Go to VAV Overrides
T3: Go to ERV Overrides
T4: Go to Hydronic Heating Overrides
T5: Go to Chilled Water Overrides
T8: Go to Field Tech Menu
