82 • Appendix A: Maintenance Mode
04 Series for CO(-H2)
4. To change the replacement date:
a. With the desired item displayed, press and release POWER MODE.
b. Press and release POWER MODE again to set the replacement date to the current date.
5. Use the AIR button to scroll to
ESCAPE
.
6. Press and release POWER MODE to return to the
SEN.DATE
item in Maintenance
Mode.
7. See “Entering Measuring Mode (START)” on page 87 to enter Measuring Mode.
Performing a Bump Test (BUMP)
See “Performing a Bump Test (BUMP)” on page 38 for a description of the
BUMP
item.
Setting Alarms to Latching or Self-Resetting (LATCH)
ON
(factory setting): The CO-04C remains in alarm until the alarm condition passes
and
POWER MODE is pressed.
OFF
: The CO-04C automatically resets an alarm when the alarm condition passes.
1. While in Maintenance Mode, press AIR to scroll to
LATCH
.
2. Press and release POWER MODE. The current setting flashes.
3. Use AIR to display the desired setting.
4. Press and release POWER MODE to save the setting and return to the
LATCH
item in
Maintenance Mode.
5. See “Entering Measuring Mode (START)” on page 87 to enter Measuring Mode.
Turning the Demand Zero Function On/Off (D.ZERO)
ON
(factory setting): You can manually perform a fresh air adjust in Measuring Mode by
pressing AIR.
OFF
: You cannot manually perform a fresh air adjust in Measuring Mode.
1. While in Maintenance Mode, press AIR to scroll to
D.ZERO
.
2. Press and release POWER MODE. The current setting flashes.
3. Use AIR to display the desired setting.
4. Press and release POWER MODE to save the setting and return to the
D.ZERO
item in
Maintenance Mode.
5. See “Entering Measuring Mode (START)” on page 87 to enter Measuring Mode.
LATCH
D .ZERO
