Honeywell IAQPoint2 User Manual page 204

Set Span menu
WARNING:
!
alarms will be triggered. Either change alarm levels so the alarms are
not triggered, or put the entire system in service mode so no external
equipment (lights, fans, ventilators, buzzers) will be activated.
Only use the Set Span function when inspection or calibration
!
maintenance indicate that it is necessary. See
Maintenance.
This option allows users to calibrate the sensor's span. In the main
Set Span screen, press enter to begin. If there is a remote sensor
connected, you must scroll to select Z1 (built-in sensor) or Z2 (remote
sensor).
• Before starting calibration, connect the regulator to the gas
cylinder.
• Adjust the flow rate to 0.5 L/min.
• Connect the tubing from the regulator to the sensor calibration
cap. See
• Let the gas flow for at least 3 minutes before starting the
calibration.
!
If the gas is not allowed to flow for at least 3 minutes, it will affect the
calibration accuracy.
The next screen allows you to specify the span calibration gas
concentration value.
• Use the arrow keys to increase or decrease the value and press
enter to select.
• The next screen requests confirmation.
E Point Standalone Gas Monitor User Manual
3
If the calibration gas concentration exceeds alarm setpoints,
* Menu *
Set Span
Figure 10.
200 ppm
Set Span
Using the Programming Menus
Set Span
Z1
Set Gas
Yes
Periodic Inspection and
23