Honeywell Apex - Page 59

59
MAN0604_Issue 09_02-2013 Apex
2110M8030
4. OPERATION
Cautions:
1. Ensure that the area around the sensor is gas free before exiting the Gas
Challenge mode.
2. Upon leaving gas challenge mode, all outputs return to their active states (from
inhibited). Ensure that values have returned to zero to avoid extraneous alarms.
Provides the means to check correct operation of the unit in the presence of the gas being sensed
without triggering alarms, etc.
SelectingthismenuitemputstheTransmitterUnit’s4-20mAoutputintoInhibitandpreventsthe
relays from being energised. The Transmitter Unit does not signal Fault if one is induced.
Gas Challenge Calibration Menu
Gas Challenge
ok
Apply Gas
Gas Challenge screen
Gas reading OK?
Yes
No
esc
Fault diagnosis
Calibration Menu