IAS-2 Product Guide ICAM by Xtralis
18 www.xtralis.com
6.2 User Functions
Press and hold SELECT and CHANGE keys simultaneously for 1 sec to initialize function
selection.
Press and release SELECT key to sequentially step through functions.
Press and release CHANGE key to modify setting.
The relevant LED flashes continuously to indicate the function selected.
To enable updates to the system, enter the three digit access code (510). To enter numbers into the system,
each number must be sequentially selected in turn. For example to select 5, press the CHANGE key six
times to illuminate the number 5 LED on the display then press the SELECT button. During this operation, the
CODE LED flashes, then the UNLOCK LED illuminates on successful entry.
A description of IAS-2 user functions are shown in the following table.
Table 6-1: User Functions for the IAS-2 System
Function Display Special Instructions
Set fan speed POWER LED flashes -
Set sensitivity of bar graph in
Channel 1 to changes in airflow
velocity
FLOW1 OK flashes -
Set sensitivity of bar graph in
Channel 2 to changes in airflow
velocity
FLOW2 OK flashes -
Select the BARGRAPH 1 LED
segment above which the
FLOW HIGH LED will be
illuminated
FLOW HIGH 1 flashes -
Select the BARGRAPH 1 LED
segment below which the
FLOW LOW LED will be
illuminated
FLOW LOW 1 flashes -
Select the BARGRAPH 2 LED
segment above which the
FLOW HIGH LED will be
illuminated
FLOW HIGH 2 flashes -
Select the BARGRAPH 2 LED
segment below which the
FLOW LOW LED will be
illuminated
FLOW LOW 2 flashes -
Set FLOW DELAY time of both
channels
FLOW HI and FLOW LO LEDs
both flash
Please see Section 6.3: Set-up Notes
for information on flow delays.
Calibrate flow sensors FAN FAULT LED flashes CHANGE key must be pressed for at
least 2 seconds to initiate the flow
calibration process. FAN and POWER
LEDs flash to indicate calibration in
progress. Fan is temporarily stopped as
part of the calibration process. The
system will reset and revert to normal
operating mode when flow calibration is
completed.
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